diff options
50 files changed, 2259 insertions, 464 deletions
diff --git a/Documentation/devicetree/bindings/clock/gpio-mux-clock.txt b/Documentation/devicetree/bindings/clock/gpio-mux-clock.txt new file mode 100644 index 000000000000..2be1e038ca62 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/gpio-mux-clock.txt @@ -0,0 +1,19 @@ +Binding for simple gpio clock multiplexer. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "gpio-mux-clock". +- clocks: list of two references to parent clocks. +- #clock-cells : from common clock binding; shall be set to 0. +- select-gpios : GPIO reference for selecting the parent clock. + +Example: + clock { + compatible = "gpio-mux-clock"; + clocks = <&parentclk1>, <&parentclk2>; + #clock-cells = <0>; + select-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>; + }; diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3368-cru.txt b/Documentation/devicetree/bindings/clock/rockchip,rk3368-cru.txt new file mode 100644 index 000000000000..7c8bbcfed8d2 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3368-cru.txt @@ -0,0 +1,61 @@ +* Rockchip RK3368 Clock and Reset Unit + +The RK3368 clock controller generates and supplies clock to various +controllers within the SoC and also implements a reset controller for SoC +peripherals. + +Required Properties: + +- compatible: should be "rockchip,rk3368-cru" +- reg: physical base address of the controller and length of memory mapped + region. +- #clock-cells: should be 1. +- #reset-cells: should be 1. + +Optional Properties: + +- rockchip,grf: phandle to the syscon managing the "general register files" + If missing, pll rates are not changeable, due to the missing pll lock status. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. All available clocks are defined as +preprocessor macros in the dt-bindings/clock/rk3368-cru.h headers and can be +used in device tree sources. Similar macros exist for the reset sources in +these files. + +External clocks: + +There are several clocks that are generated outside the SoC. It is expected +that they are defined using standard clock bindings with following +clock-output-names: + - "xin24m" - crystal input - required, + - "xin32k" - rtc clock - optional, + - "ext_i2s" - external I2S clock - optional, + - "ext_gmac" - external GMAC clock - optional + - "ext_hsadc" - external HSADC clock - optional, + - "ext_isp" - external ISP clock - optional, + - "ext_jtag" - external JTAG clock - optional + - "ext_vip" - external VIP clock - optional, + - "usbotg_out" - output clock of the pll in the otg phy + +Example: Clock controller node: + + cru: clock-controller@ff760000 { + compatible = "rockchip,rk3368-cru"; + reg = <0x0 0xff760000 0x0 0x1000>; + rockchip,grf = <&grf>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + +Example: UART controller node that consumes the clock generated by the clock + controller: + + uart0: serial@10124000 { + compatible = "snps,dw-apb-uart"; + reg = <0x10124000 0x400>; + interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <1>; + clocks = <&cru SCLK_UART0>; + }; diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index c4cf075a2320..d08b3e5985be 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -9,7 +9,7 @@ obj-$(CONFIG_COMMON_CLK) += clk-gate.o obj-$(CONFIG_COMMON_CLK) += clk-mux.o obj-$(CONFIG_COMMON_CLK) += clk-composite.o obj-$(CONFIG_COMMON_CLK) += clk-fractional-divider.o -obj-$(CONFIG_COMMON_CLK) += clk-gpio-gate.o +obj-$(CONFIG_COMMON_CLK) += clk-gpio.o ifeq ($(CONFIG_OF), y) obj-$(CONFIG_COMMON_CLK) += clk-conf.o endif diff --git a/drivers/clk/at91/clk-h32mx.c b/drivers/clk/at91/clk-h32mx.c index 152dcb3f7b5f..61566bcefa53 100644 --- a/drivers/clk/at91/clk-h32mx.c +++ b/drivers/clk/at91/clk-h32mx.c @@ -116,8 +116,10 @@ void __init of_sama5d4_clk_h32mx_setup(struct device_node *np, h32mxclk->pmc = pmc; clk = clk_register(NULL, &h32mxclk->hw); - if (!clk) + if (!clk) { + kfree(h32mxclk); return; + } of_clk_add_provider(np, of_clk_src_simple_get, clk); } diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c index c2400456a044..27dfa965cfed 100644 --- a/drivers/clk/at91/clk-main.c +++ b/drivers/clk/at91/clk-main.c @@ -171,8 +171,10 @@ at91_clk_register_main_osc(struct at91_pmc *pmc, irq_set_status_flags(osc->irq, IRQ_NOAUTOEN); ret = request_irq(osc->irq, clk_main_osc_irq_handler, IRQF_TRIGGER_HIGH, name, osc); - if (ret) + if (ret) { + kfree(osc); return ERR_PTR(ret); + } if (bypass) pmc_write(pmc, AT91_CKGR_MOR, diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c index f98eafe9b12d..5b3ded5205a2 100644 --- a/drivers/clk/at91/clk-master.c +++ b/drivers/clk/at91/clk-master.c @@ -165,12 +165,16 @@ at91_clk_register_master(struct at91_pmc *pmc, unsigned int irq, irq_set_status_flags(master->irq, IRQ_NOAUTOEN); ret = request_irq(master->irq, clk_master_irq_handler, IRQF_TRIGGER_HIGH, "clk-master", master); - if (ret) + if (ret) { + kfree(master); return ERR_PTR(ret); + } clk = clk_register(NULL, &master->hw); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + free_irq(master->irq, master); kfree(master); + } return clk; } diff --git a/drivers/clk/at91/clk-pll.c b/drivers/clk/at91/clk-pll.c index cbbe40377ad6..18b60f4895a6 100644 --- a/drivers/clk/at91/clk-pll.c +++ b/drivers/clk/at91/clk-pll.c @@ -346,12 +346,16 @@ at91_clk_register_pll(struct at91_pmc *pmc, unsigned int irq, const char *name, irq_set_status_flags(pll->irq, IRQ_NOAUTOEN); ret = request_irq(pll->irq, clk_pll_irq_handler, IRQF_TRIGGER_HIGH, id ? "clk-pllb" : "clk-plla", pll); - if (ret) + if (ret) { + kfree(pll); return ERR_PTR(ret); + } clk = clk_register(NULL, &pll->hw); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + free_irq(pll->irq, pll); kfree(pll); + } return clk; } diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c index a76d03fd577b..58008b3e8bc1 100644 --- a/drivers/clk/at91/clk-system.c +++ b/drivers/clk/at91/clk-system.c @@ -130,13 +130,17 @@ at91_clk_register_system(struct at91_pmc *pmc, const char *name, irq_set_status_flags(sys->irq, IRQ_NOAUTOEN); ret = request_irq(sys->irq, clk_system_irq_handler, IRQF_TRIGGER_HIGH, name, sys); - if (ret) + if (ret) { + kfree(sys); return ERR_PTR(ret); + } } clk = clk_register(NULL, &sys->hw); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + free_irq(sys->irq, sys); kfree(sys); + } return clk; } diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c index ae3263bc1476..30dd697b1668 100644 --- a/drivers/clk/at91/clk-utmi.c +++ b/drivers/clk/at91/clk-utmi.c @@ -118,12 +118,16 @@ at91_clk_register_utmi(struct at91_pmc *pmc, unsigned int irq, irq_set_status_flags(utmi->irq, IRQ_NOAUTOEN); ret = request_irq(utmi->irq, clk_utmi_irq_handler, IRQF_TRIGGER_HIGH, "clk-utmi", utmi); - if (ret) + if (ret) { + kfree(utmi); return ERR_PTR(ret); + } clk = clk_register(NULL, &utmi->hw); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + free_irq(utmi->irq, utmi); kfree(utmi); + } return clk; } diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index eb8e5dc9076d..8b87771c69b2 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -59,71 +59,63 @@ static inline void pmc_write(struct at91_pmc *pmc, int offset, u32 value) int of_at91_get_clk_range(struct device_node *np, const char *propname, struct clk_range *range); -extern void __init of_at91sam9260_clk_slow_setup(struct device_node *np, - struct at91_pmc *pmc); - -extern void __init of_at91rm9200_clk_main_osc_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91rm9200_clk_main_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91sam9x5_clk_main_setup(struct device_node *np, - struct at91_pmc *pmc); - -extern void __init of_at91rm9200_clk_pll_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91sam9g45_clk_pll_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91sam9g20_clk_pllb_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_sama5d3_clk_pll_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91sam9x5_clk_plldiv_setup(struct device_node *np, - struct at91_pmc *pmc); - -extern void __init of_at91rm9200_clk_master_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91sam9x5_clk_master_setup(struct device_node *np, - struct at91_pmc *pmc); - -extern void __init of_at91rm9200_clk_sys_setup(struct device_node *np, - struct at91_pmc *pmc); - -extern void __init of_at91rm9200_clk_periph_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91sam9x5_clk_periph_setup(struct device_node *np, - struct at91_pmc *pmc); - -extern void __init of_at91rm9200_clk_prog_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91sam9g45_clk_prog_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91sam9x5_clk_prog_setup(struct device_node *np, - struct at91_pmc *pmc); - -#if defined(CONFIG_HAVE_AT91_UTMI) -extern void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np, - struct at91_pmc *pmc); -#endif - -#if defined(CONFIG_HAVE_AT91_USB_CLK) -extern void __init of_at91rm9200_clk_usb_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91sam9x5_clk_usb_setup(struct device_node *np, - struct at91_pmc *pmc); -extern void __init of_at91sam9n12_clk_usb_setup(struct device_node *np, - struct at91_pmc *pmc); -#endif - -#if defined(CONFIG_HAVE_AT91_SMD) -extern void __init of_at91sam9x5_clk_smd_setup(struct device_node *np, - struct at91_pmc *pmc); -#endif - -#if defined(CONFIG_HAVE_AT91_H32MX) -extern void __init of_sama5d4_clk_h32mx_setup(struct device_node *np, - struct at91_pmc *pmc); -#endif +void of_at91sam9260_clk_slow_setup(struct device_node *np, + struct at91_pmc *pmc); + +void of_at91rm9200_clk_main_osc_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91rm9200_clk_main_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91sam9x5_clk_main_setup(struct device_node *np, + struct at91_pmc *pmc); + +void of_at91rm9200_clk_pll_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91sam9g45_clk_pll_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91sam9g20_clk_pllb_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_sama5d3_clk_pll_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91sam9x5_clk_plldiv_setup(struct device_node *np, + struct at91_pmc *pmc); + +void of_at91rm9200_clk_master_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91sam9x5_clk_master_setup(struct device_node *np, + struct at91_pmc *pmc); + +void of_at91rm9200_clk_sys_setup(struct device_node *np, + struct at91_pmc *pmc); + +void of_at91rm9200_clk_periph_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91sam9x5_clk_periph_setup(struct device_node *np, + struct at91_pmc *pmc); + +void of_at91rm9200_clk_prog_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91sam9g45_clk_prog_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91sam9x5_clk_prog_setup(struct device_node *np, + struct at91_pmc *pmc); + +void of_at91sam9x5_clk_utmi_setup(struct device_node *np, + struct at91_pmc *pmc); + +void of_at91rm9200_clk_usb_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91sam9x5_clk_usb_setup(struct device_node *np, + struct at91_pmc *pmc); +void of_at91sam9n12_clk_usb_setup(struct device_node *np, + struct at91_pmc *pmc); + +void of_at91sam9x5_clk_smd_setup(struct device_node *np, + struct at91_pmc *pmc); + +void of_sama5d4_clk_h32mx_setup(struct device_node *np, + struct at91_pmc *pmc); #endif /* __PMC_H_ */ diff --git a/drivers/clk/bcm/clk-iproc-asiu.c b/drivers/clk/bcm/clk-iproc-asiu.c index e19c09cd9645..f630e1bbdcfe 100644 --- a/drivers/clk/bcm/clk-iproc-asiu.c +++ b/drivers/clk/bcm/clk-iproc-asiu.c @@ -222,10 +222,6 @@ void __init iproc_asiu_setup(struct device_node *node, struct iproc_asiu_clk *asiu_clk; const char *clk_name; - clk_name = kzalloc(IPROC_CLK_NAME_LEN, GFP_KERNEL); - if (WARN_ON(!clk_name)) - goto err_clk_register; - ret = of_property_read_string_index(node, "clock-output-names", i, &clk_name); if (WARN_ON(ret)) @@ -259,7 +255,7 @@ void __init iproc_asiu_setup(struct device_node *node, err_clk_register: for (i = 0; i < num_clks; i++) - kfree(asiu->clks[i].name); + clk_unregister(asiu->clk_data.clks[i]); iounmap(asiu->gate_base); err_iomap_gate: diff --git a/drivers/clk/bcm/clk-iproc-pll.c b/drivers/clk/bcm/clk-iproc-pll.c index 46fb84bc2674..2dda4e8295a9 100644 --- a/drivers/clk/bcm/clk-iproc-pll.c +++ b/drivers/clk/bcm/clk-iproc-pll.c @@ -366,7 +366,7 @@ static unsigned long iproc_pll_recalc_rate(struct clk_hw *hw, val = readl(pll->pll_base + ctrl->ndiv_int.offset); ndiv_int = (val >> ctrl->ndiv_int.shift) & bit_mask(ctrl->ndiv_int.width); - ndiv = ndiv_int << ctrl->ndiv_int.shift; + ndiv = (u64)ndiv_int << ctrl->ndiv_int.shift; if (ctrl->flags & IPROC_CLK_PLL_HAS_NDIV_FRAC) { val = readl(pll->pll_base + ctrl->ndiv_frac.offset); @@ -374,7 +374,8 @@ static unsigned long iproc_pll_recalc_rate(struct clk_hw *hw, bit_mask(ctrl->ndiv_frac.width); if (ndiv_frac != 0) - ndiv = (ndiv_int << ctrl->ndiv_int.shift) | ndiv_frac; + ndiv = ((u64)ndiv_int << ctrl->ndiv_int.shift) | + ndiv_frac; } val = readl(pll->pll_base + ctrl->pdiv.offset); @@ -655,10 +656,6 @@ void __init iproc_pll_clk_setup(struct device_node *node, memset(&init, 0, sizeof(init)); parent_name = node->name; - clk_name = kzalloc(IPROC_CLK_NAME_LEN, GFP_KERNEL); - if (WARN_ON(!clk_name)) - goto err_clk_register; - ret = of_property_read_string_index(node, "clock-output-names", i, &clk_name); if (WARN_ON(ret)) @@ -690,10 +687,8 @@ void __init iproc_pll_clk_setup(struct device_node *node, return; err_clk_register: - for (i = 0; i < num_clks; i++) { - kfree(pll->clks[i].name); + for (i = 0; i < num_clks; i++) clk_unregister(pll->clk_data.clks[i]); - } err_pll_register: if (pll->asiu_base) diff --git a/drivers/clk/clk-gpio-gate.c b/drivers/clk/clk-gpio-gate.c deleted file mode 100644 index f564e624fb93..000000000000 --- a/drivers/clk/clk-gpio-gate.c +++ /dev/null @@ -1,207 +0,0 @@ -/* - * Copyright (C) 2013 - 2014 Texas Instruments Incorporated - http://www.ti.com - * Author: Jyri Sarha <jsarha@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Gpio gated clock implementation - */ - -#include <linux/clk-provider.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/gpio.h> -#include <linux/gpio/consumer.h> -#include <linux/of_gpio.h> -#include <linux/err.h> -#include <linux/device.h> - -/** - * DOC: basic gpio gated clock which can be enabled and disabled - * with gpio output - * Traits of this clock: - * prepare - clk_(un)prepare only ensures parent is (un)prepared - * enable - clk_enable and clk_disable are functional & control gpio - * rate - inherits rate from parent. No clk_set_rate support - * parent - fixed parent. No clk_set_parent support - */ - -#define to_clk_gpio(_hw) container_of(_hw, struct clk_gpio, hw) - -static int clk_gpio_gate_enable(struct clk_hw *hw) -{ - struct clk_gpio *clk = to_clk_gpio(hw); - - gpiod_set_value(clk->gpiod, 1); - - return 0; -} - -static void clk_gpio_gate_disable(struct clk_hw *hw) -{ - struct clk_gpio *clk = to_clk_gpio(hw); - - gpiod_set_value(clk->gpiod, 0); -} - -static int clk_gpio_gate_is_enabled(struct clk_hw *hw) -{ - struct clk_gpio *clk = to_clk_gpio(hw); - - return gpiod_get_value(clk->gpiod); -} - -const struct clk_ops clk_gpio_gate_ops = { - .enable = clk_gpio_gate_enable, - .disable = clk_gpio_gate_disable, - .is_enabled = clk_gpio_gate_is_enabled, -}; -EXPORT_SYMBOL_GPL(clk_gpio_gate_ops); - -/** - * clk_register_gpio - register a gpip clock with the clock framework - * @dev: device that is registering this clock - * @name: name of this clock - * @parent_name: name of this clock's parent - * @gpio: gpio number to gate this clock - * @active_low: true if gpio should be set to 0 to enable clock - * @flags: clock flags - */ -struct clk *clk_register_gpio_gate(struct device *dev, const char *name, - const char *parent_name, unsigned gpio, bool active_low, - unsigned long flags) -{ - struct clk_gpio *clk_gpio = NULL; - struct clk *clk = ERR_PTR(-EINVAL); - struct clk_init_data init = { NULL }; - unsigned long gpio_flags; - int err; - - if (active_low) - gpio_flags = GPIOF_ACTIVE_LOW | GPIOF_OUT_INIT_HIGH; - else - gpio_flags = GPIOF_OUT_INIT_LOW; - - if (dev) - err = devm_gpio_request_one(dev, gpio, gpio_flags, name); - else - err = gpio_request_one(gpio, gpio_flags, name); - - if (err) { - pr_err("%s: %s: Error requesting clock control gpio %u\n", - __func__, name, gpio); - return ERR_PTR(err); - } - - if (dev) - clk_gpio = devm_kzalloc(dev, sizeof(struct clk_gpio), - GFP_KERNEL); - else - clk_gpio = kzalloc(sizeof(struct clk_gpio), GFP_KERNEL); - - if (!clk_gpio) { - clk = ERR_PTR(-ENOMEM); - goto clk_register_gpio_gate_err; - } - - init.name = name; - init.ops = &clk_gpio_gate_ops; - init.flags = flags | CLK_IS_BASIC; - init.parent_names = (parent_name ? &parent_name : NULL); - init.num_parents = (parent_name ? 1 : 0); - - clk_gpio->gpiod = gpio_to_desc(gpio); - clk_gpio->hw.init = &init; - - clk = clk_register(dev, &clk_gpio->hw); - - if (!IS_ERR(clk)) - return clk; - - if (!dev) - kfree(clk_gpio); - -clk_register_gpio_gate_err: - if (!dev) - gpio_free(gpio); - - return clk; -} -EXPORT_SYMBOL_GPL(clk_register_gpio_gate); - -#ifdef CONFIG_OF -/** - * The clk_register_gpio_gate has to be delayed, because the EPROBE_DEFER - * can not be handled properly at of_clk_init() call time. - */ - -struct clk_gpio_gate_delayed_register_data { - struct device_node *node; - struct mutex lock; - struct clk *clk; -}; - -static struct clk *of_clk_gpio_gate_delayed_register_get( - struct of_phandle_args *clkspec, - void *_data) -{ - struct clk_gpio_gate_delayed_register_data *data = _data; - struct clk *clk; - const char *clk_name = data->node->name; - const char *parent_name; - int gpio; - enum of_gpio_flags of_flags; - - mutex_lock(&data->lock); - - if (data->clk) { - mutex_unlock(&data->lock); - return data->clk; - } - - gpio = of_get_named_gpio_flags(data->node, "enable-gpios", 0, - &of_flags); - if (gpio < 0) { - mutex_unlock(&data->lock); - if (gpio != -EPROBE_DEFER) - pr_err("%s: %s: Can't get 'enable-gpios' DT property\n", - __func__, clk_name); - return ERR_PTR(gpio); - } - - parent_name = of_clk_get_parent_name(data->node, 0); - - clk = clk_register_gpio_gate(NULL, clk_name, parent_name, gpio, - of_flags & OF_GPIO_ACTIVE_LOW, 0); - if (IS_ERR(clk)) { - mutex_unlock(&data->lock); - return clk; - } - - data->clk = clk; - mutex_unlock(&data->lock); - - return clk; -} - -/** - * of_gpio_gate_clk_setup() - Setup function for gpio controlled clock - */ -static void __init of_gpio_gate_clk_setup(struct device_node *node) -{ - struct clk_gpio_gate_delayed_register_data *data; - - data = kzalloc(sizeof(struct clk_gpio_gate_delayed_register_data), - GFP_KERNEL); - if (!data) - return; - - data->node = node; - mutex_init(&data->lock); - - of_clk_add_provider(node, of_clk_gpio_gate_delayed_register_get, data); -} -CLK_OF_DECLARE(gpio_gate_clk, "gpio-gate-clock", of_gpio_gate_clk_setup); -#endif diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c new file mode 100644 index 000000000000..c0d202c24a97 --- /dev/null +++ b/drivers/clk/clk-gpio.c @@ -0,0 +1,322 @@ +/* + * Copyright (C) 2013 - 2014 Texas Instruments Incorporated - http://www.ti.com + * + * Authors: + * Jyri Sarha <jsarha@ti.com> + * Sergej Sawazki <ce3a@gmx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Gpio controlled clock implementation + */ + +#include <linux/clk-provider.h> +#include <linux/export.h> +#include <linux/slab.h> +#include <linux/gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/of_gpio.h> +#include <linux/err.h> +#include <linux/device.h> + +/** + * DOC: basic gpio gated clock which can be enabled and disabled + * with gpio output + * Traits of this clock: + * prepare - clk_(un)prepare only ensures parent is (un)prepared + * enable - clk_enable and clk_disable are functional & control gpio + * rate - inherits rate from parent. No clk_set_rate support + * parent - fixed parent. No clk_set_parent support + */ + +#define to_clk_gpio(_hw) container_of(_hw, struct clk_gpio, hw) + +static int clk_gpio_gate_enable(struct clk_hw *hw) +{ + struct clk_gpio *clk = to_clk_gpio(hw); + + gpiod_set_value(clk->gpiod, 1); + + return 0; +} + +static void clk_gpio_gate_disable(struct clk_hw *hw) +{ + struct clk_gpio *clk = to_clk_gpio(hw); + + gpiod_set_value(clk->gpiod, 0); +} + +static int clk_gpio_gate_is_enabled(struct clk_hw *hw) +{ + struct clk_gpio *clk = to_clk_gpio(hw); + + return gpiod_get_value(clk->gpiod); +} + +const struct clk_ops clk_gpio_gate_ops = { + .enable = clk_gpio_gate_enable, + .disable = clk_gpio_gate_disable, + .is_enabled = clk_gpio_gate_is_enabled, +}; +EXPORT_SYMBOL_GPL(clk_gpio_gate_ops); + +/** + * DOC: basic clock multiplexer which can be controlled with a gpio output + * Traits of this clock: + * prepare - clk_prepare only ensures that parents are prepared + * rate - rate is only affected by parent switching. No clk_set_rate support + * parent - parent is adjustable through clk_set_parent + */ + +static u8 clk_gpio_mux_get_parent(struct clk_hw *hw) +{ + struct clk_gpio *clk = to_clk_gpio(hw); + + return gpiod_get_value(clk->gpiod); +} + +static int clk_gpio_mux_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_gpio *clk = to_clk_gpio(hw); + + gpiod_set_value(clk->gpiod, index); + + return 0; +} + +const struct clk_ops clk_gpio_mux_ops = { + .get_parent = clk_gpio_mux_get_parent, + .set_parent = clk_gpio_mux_set_parent, + .determine_rate = __clk_mux_determine_rate, +}; +EXPORT_SYMBOL_GPL(clk_gpio_mux_ops); + +static struct clk *clk_register_gpio(struct device *dev, const char *name, + const char **parent_names, u8 num_parents, unsigned gpio, + bool active_low, unsigned long flags, + const struct clk_ops *clk_gpio_ops) +{ + struct clk_gpio *clk_gpio; + struct clk *clk; + struct clk_init_data init = {}; + unsigned long gpio_flags; + int err; + + if (dev) + clk_gpio = devm_kzalloc(dev, sizeof(*clk_gpio), GFP_KERNEL); + else + clk_gpio = kzalloc(sizeof(*clk_gpio), GFP_KERNEL); + + if (!clk_gpio) + return ERR_PTR(-ENOMEM); + + if (active_low) + gpio_flags = GPIOF_ACTIVE_LOW | GPIOF_OUT_INIT_HIGH; + else + gpio_flags = GPIOF_OUT_INIT_LOW; + + if (dev) + err = devm_gpio_request_one(dev, gpio, gpio_flags, name); + else + err = gpio_request_one(gpio, gpio_flags, name); + if (err) { + if (err != -EPROBE_DEFER) + pr_err("%s: %s: Error requesting clock control gpio %u\n", + __func__, name, gpio); + if (!dev) + kfree(clk_gpio); + + return ERR_PTR(err); + } + + init.name = name; + init.ops = clk_gpio_ops; + init.flags = flags | CLK_IS_BASIC; + init.parent_names = parent_names; + init.num_parents = num_parents; + + clk_gpio->gpiod = gpio_to_desc(gpio); + clk_gpio->hw.init = &init; + + if (dev) + clk = devm_clk_register(dev, &clk_gpio->hw); + else + clk = clk_register(NULL, &clk_gpio->hw); + + if (!IS_ERR(clk)) + return clk; + + if (!dev) { + gpiod_put(clk_gpio->gpiod); + kfree(clk_gpio); + } + + return clk; +} + +/** + * clk_register_gpio_gate - register a gpio clock gate with the clock framework + * @dev: device that is registering this clock + * @name: name of this clock + * @parent_name: name of this clock's parent + * @gpio: gpio number to gate this clock + * @active_low: true if gpio should be set to 0 to enable clock + * @flags: clock flags + */ +struct clk *clk_register_gpio_gate(struct device *dev, const char *name, + const char *parent_name, unsigned gpio, bool active_low, + unsigned long flags) +{ + return clk_register_gpio(dev, name, + (parent_name ? &parent_name : NULL), + (parent_name ? 1 : 0), gpio, active_low, flags, + &clk_gpio_gate_ops); +} +EXPORT_SYMBOL_GPL(clk_register_gpio_gate); + +/** + * clk_register_gpio_mux - register a gpio clock mux with the clock framework + * @dev: device that is registering this clock + * @name: name of this clock + * @parent_names: names of this clock's parents + * @num_parents: number of parents listed in @parent_names + * @gpio: gpio number to gate this clock + * @active_low: true if gpio should be set to 0 to enable clock + * @flags: clock flags + */ +struct clk *clk_register_gpio_mux(struct device *dev, const char *name, + const char **parent_names, u8 num_parents, unsigned gpio, + bool active_low, unsigned long flags) +{ + if (num_parents != 2) { + pr_err("mux-clock %s must have 2 parents\n", name); + return ERR_PTR(-EINVAL); + } + + return clk_register_gpio(dev, name, parent_names, num_parents, + gpio, active_low, flags, &clk_gpio_mux_ops); +} +EXPORT_SYMBOL_GPL(clk_register_gpio_mux); + +#ifdef CONFIG_OF +/** + * clk_register_get() has to be delayed, because -EPROBE_DEFER + * can not be handled properly at of_clk_init() call time. + */ + +struct clk_gpio_delayed_register_data { + const char *gpio_name; + struct device_node *node; + struct mutex lock; + struct clk *clk; + struct clk *(*clk_register_get)(const char *name, + const char **parent_names, u8 num_parents, + unsigned gpio, bool active_low); +}; + +static struct clk *of_clk_gpio_delayed_register_get( + struct of_phandle_args *clkspec, void *_data) +{ + struct clk_gpio_delayed_register_data *data = _data; + struct clk *clk; + const char **parent_names; + int i, num_parents; + int gpio; + enum of_gpio_flags of_flags; + + mutex_lock(&data->lock); + + if (data->clk) { + mutex_unlock(&data->lock); + return data->clk; + } + + gpio = of_get_named_gpio_flags(data->node, data->gpio_name, 0, + &of_flags); + if (gpio < 0) { + mutex_unlock(&data->lock); + if (gpio == -EPROBE_DEFER) + pr_debug("%s: %s: GPIOs not yet available, retry later\n", + data->node->name, __func__); + else + pr_err("%s: %s: Can't get '%s' DT property\n", + data->node->name, __func__, + data->gpio_name); + return ERR_PTR(gpio); + } + + num_parents = of_clk_get_parent_count(data->node); + + parent_names = kcalloc(num_parents, sizeof(char *), GFP_KERNEL); + if (!parent_names) + return ERR_PTR(-ENOMEM); + + for (i = 0; i < num_parents; i++) + parent_names[i] = of_clk_get_parent_name(data->node, i); + + clk = data->clk_register_get(data->node->name, parent_names, + num_parents, gpio, of_flags & OF_GPIO_ACTIVE_LOW); + if (IS_ERR(clk)) + goto out; + + data->clk = clk; +out: + mutex_unlock(&data->lock); + kfree(parent_names); + + return clk; +} + +static struct clk *of_clk_gpio_gate_delayed_register_get(const char *name, + const char **parent_names, u8 num_parents, + unsigned gpio, bool active_low) +{ + return clk_register_gpio_gate(NULL, name, parent_names[0], + gpio, active_low, 0); +} + +static struct clk *of_clk_gpio_mux_delayed_register_get(const char *name, + const char **parent_names, u8 num_parents, unsigned gpio, + bool active_low) +{ + return clk_register_gpio_mux(NULL, name, parent_names, num_parents, + gpio, active_low, 0); +} + +static void __init of_gpio_clk_setup(struct device_node *node, + const char *gpio_name, + struct clk *(*clk_register_get)(const char *name, + const char **parent_names, u8 num_parents, + unsigned gpio, bool active_low)) +{ + struct clk_gpio_delayed_register_data *data; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return; + + data->node = node; + data->gpio_name = gpio_name; + data->clk_register_get = clk_register_get; + mutex_init(&data->lock); + + of_clk_add_provider(node, of_clk_gpio_delayed_register_get, data); +} + +static void __init of_gpio_gate_clk_setup(struct device_node *node) +{ + of_gpio_clk_setup(node, "enable-gpios", + of_clk_gpio_gate_delayed_register_get); +} +CLK_OF_DECLARE(gpio_gate_clk, "gpio-gate-clock", of_gpio_gate_clk_setup); + +void __init of_gpio_mux_clk_setup(struct device_node *node) +{ + of_gpio_clk_setup(node, "select-gpios", + of_clk_gpio_mux_delayed_register_get); +} +CLK_OF_DECLARE(gpio_mux_clk, "gpio-mux-clock", of_gpio_mux_clk_setup); +#endif diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c index b9b12a742970..3f6f7ad39490 100644 --- a/drivers/clk/clk-stm32f4.c +++ b/drivers/clk/clk-stm32f4.c @@ -268,7 +268,7 @@ static int stm32f4_rcc_lookup_clk_idx(u8 primary, u8 secondary) memcpy(table, stm32f42xx_gate_map, sizeof(table)); /* only bits set in table can be used as indices */ - if (WARN_ON(secondary > 8 * sizeof(table) || + if (WARN_ON(secondary >= BITS_PER_BYTE * sizeof(table) || 0 == (table[BIT_ULL_WORD(secondary)] & BIT_ULL_MASK(secondary)))) return -EINVAL; diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c index f26b3ac36b27..4caee9356407 100644 --- a/drivers/clk/clk-xgene.c +++ b/drivers/clk/clk-xgene.c @@ -60,7 +60,6 @@ enum xgene_pll_type { struct xgene_clk_pll { struct clk_hw hw; - const char *name; void __iomem *reg; spinlock_t *lock; u32 pll_offset; @@ -75,7 +74,7 @@ static int xgene_clk_pll_is_enabled(struct clk_hw *hw) u32 data; data = xgene_clk_read(pllclk->reg + pllclk->pll_offset); - pr_debug("%s pll %s\n", pllclk->name, + pr_debug("%s pll %s\n", __clk_get_name(hw->clk), data & REGSPEC_RESET_F1_MASK ? "disabled" : "enabled"); return data & REGSPEC_RESET_F1_MASK ? 0 : 1; @@ -113,7 +112,7 @@ static unsigned long xgene_clk_pll_recalc_rate(struct clk_hw *hw, fref = parent_rate / nref; fvco = fref * nfb; } - pr_debug("%s pll recalc rate %ld parent %ld\n", pllclk->name, + pr_debug("%s pll recalc rate %ld parent %ld\n", __clk_get_name(hw->clk), fvco / nout, parent_rate); return fvco / nout; @@ -146,7 +145,6 @@ static struct clk *xgene_register_clk_pll(struct device *dev, init.parent_names = parent_name ? &parent_name : NULL; init.num_parents = parent_name ? 1 : 0; - apmclk->name = name; apmclk->reg = reg; apmclk->lock = lock; apmclk->pll_offset = pll_offset; @@ -210,7 +208,6 @@ struct xgene_dev_parameters { struct xgene_clk { struct clk_hw hw; - const char *name; spinlock_t *lock; struct xgene_dev_parameters param; }; @@ -228,7 +225,7 @@ static int xgene_clk_enable(struct clk_hw *hw) spin_lock_irqsave(pclk->lock, flags); if (pclk->param.csr_reg != NULL) { - pr_debug("%s clock enabled\n", pclk->name); + pr_debug("%s clock enabled\n", __clk_get_name(hw->clk)); reg = __pa(pclk->param.csr_reg); /* First enable the clock */ data = xgene_clk_read(pclk->param.csr_reg + @@ -237,7 +234,7 @@ static int xgene_clk_enable(struct clk_hw *hw) xgene_clk_write(data, pclk->param.csr_reg + pclk->param.reg_clk_offset); pr_debug("%s clock PADDR base %pa clk offset 0x%08X mask 0x%08X value 0x%08X\n", - pclk->name, ®, + __clk_get_name(hw->clk), ®, pclk->param.reg_clk_offset, pclk->param.reg_clk_mask, data); @@ -248,7 +245,7 @@ static int xgene_clk_enable(struct clk_hw *hw) xgene_clk_write(data, pclk->param.csr_reg + pclk->param.reg_csr_offset); pr_debug("%s CSR RESET PADDR base %pa csr offset 0x%08X mask 0x%08X value 0x%08X\n", - pclk->name, ®, + __clk_get_name(hw->clk), ®, pclk->param.reg_csr_offset, pclk->param.reg_csr_mask, data); } @@ -269,7 +266,7 @@ static void xgene_clk_disable(struct clk_hw *hw) spin_lock_irqsave(pclk->lock, flags); if (pclk->param.csr_reg != NULL) { - pr_debug("%s clock disabled\n", pclk->name); + pr_debug("%s clock disabled\n", __clk_get_name(hw->clk)); /* First put the CSR in reset */ data = xgene_clk_read(pclk->param.csr_reg + pclk->param.reg_csr_offset); @@ -295,10 +292,10 @@ static int xgene_clk_is_enabled(struct clk_hw *hw) u32 data = 0; if (pclk->param.csr_reg != NULL) { - pr_debug("%s clock checking\n", pclk->name); + pr_debug("%s clock checking\n", __clk_get_name(hw->clk)); data = xgene_clk_read(pclk->param.csr_reg + pclk->param.reg_clk_offset); - pr_debug("%s clock is %s\n", pclk->name, + pr_debug("%s clock is %s\n", __clk_get_name(hw->clk), data & pclk->param.reg_clk_mask ? "enabled" : "disabled"); } @@ -321,11 +318,13 @@ static unsigned long xgene_clk_recalc_rate(struct clk_hw *hw, data &= (1 << pclk->param.reg_divider_width) - 1; pr_debug("%s clock recalc rate %ld parent %ld\n", - pclk->name, parent_rate / data, parent_rate); + __clk_get_name(hw->clk), + parent_rate / data, parent_rate); + return parent_rate / data; } else { pr_debug("%s clock recalc rate %ld parent %ld\n", - pclk->name, parent_rate, parent_rate); + __clk_get_name(hw->clk), parent_rate, parent_rate); return parent_rate; } } @@ -357,7 +356,7 @@ static int xgene_clk_set_rate(struct clk_hw *hw, unsigned long rate, data |= divider; xgene_clk_write(data, pclk->param.divider_reg + pclk->param.reg_divider_offset); - pr_debug("%s clock set rate %ld\n", pclk->name, + pr_debug("%s clock set rate %ld\n", __clk_get_name(hw->clk), parent_rate / divider_save); } else { divider_save = 1; @@ -419,7 +418,6 @@ static struct clk *xgene_register_clk(struct device *dev, init.parent_names = parent_name ? &parent_name : NULL; init.num_parents = parent_name ? 1 : 0; - apmclk->name = name; apmclk->lock = lock; apmclk->hw.init = &init; apmclk->param = *parameters; diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index c907289ff03c..bd6dfbe04cf0 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -3073,8 +3073,6 @@ struct clock_provider { struct list_head node; }; -static LIST_HEAD(clk_provider_list); - /* * This function looks for a parent clock. If there is one, then it * checks that the provider for this parent clock was initialized, in @@ -3125,14 +3123,24 @@ void __init of_clk_init(const struct of_device_id *matches) struct clock_provider *clk_provider, *next; bool is_init_done; bool force = false; + LIST_HEAD(clk_provider_list); if (!matches) matches = &__clk_of_table; /* First prepare the list of the clocks providers */ for_each_matching_node_and_match(np, matches, &match) { - struct clock_provider *parent = - kzalloc(sizeof(struct clock_provider), GFP_KERNEL); + struct clock_provider *parent; + + parent = kzalloc(sizeof(*parent), GFP_KERNEL); + if (!parent) { + list_for_each_entry_safe(clk_provider, next, + &clk_provider_list, node) { + list_del(&clk_provider->node); + kfree(clk_provider); + } + return; + } parent->clk_init_cb = match->data; parent->np = np; diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c index 4b9e04cdf7e8..8b6523d15fb8 100644 --- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c @@ -700,6 +700,22 @@ static const struct mtk_composite peri_clks[] __initconst = { MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, 0x40c, 3, 1), }; +static struct clk_onecell_data *mt8173_top_clk_data __initdata; +static struct clk_onecell_data *mt8173_pll_clk_data __initdata; + +static void __init mtk_clk_enable_critical(void) +{ + if (!mt8173_top_clk_data || !mt8173_pll_clk_data) + return; + + clk_prepare_enable(mt8173_pll_clk_data->clks[CLK_APMIXED_ARMCA15PLL]); + clk_prepare_enable(mt8173_pll_clk_data->clks[CLK_APMIXED_ARMCA7PLL]); + clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_MEM_SEL]); + clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_DDRPHYCFG_SEL]); + clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_CCI400_SEL]); + clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_RTC_SEL]); +} + static void __init mtk_topckgen_init(struct device_node *node) { struct clk_onecell_data *clk_data; @@ -712,19 +728,19 @@ static void __init mtk_topckgen_init(struct device_node *node) return; } - clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); + mt8173_top_clk_data = clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); mtk_clk_register_factors(root_clk_alias, ARRAY_SIZE(root_clk_alias), clk_data); mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), base, &mt8173_clk_lock, clk_data); - clk_prepare_enable(clk_data->clks[CLK_TOP_CCI400_SEL]); - r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); if (r) pr_err("%s(): could not register clock provider: %d\n", __func__, r); + + mtk_clk_enable_critical(); } CLK_OF_DECLARE(mtk_topckgen, "mediatek,mt8173-topckgen", mtk_topckgen_init); @@ -818,13 +834,13 @@ static void __init mtk_apmixedsys_init(struct device_node *node) { struct clk_onecell_data *clk_data; - clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK); + mt8173_pll_clk_data = clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK); if (!clk_data) return; mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); - clk_prepare_enable(clk_data->clks[CLK_APMIXED_ARMCA15PLL]); + mtk_clk_enable_critical(); } CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt8173-apmixedsys", mtk_apmixedsys_init); diff --git a/drivers/clk/qcom/clk-pll.c b/drivers/clk/qcom/clk-pll.c index 6017a76b47c8..a34656bec648 100644 --- a/drivers/clk/qcom/clk-pll.c +++ b/drivers/clk/qcom/clk-pll.c @@ -296,3 +296,78 @@ void clk_pll_configure_sr_hpm_lp(struct clk_pll *pll, struct regmap *regmap, clk_pll_set_fsm_mode(pll, regmap, 0); } EXPORT_SYMBOL_GPL(clk_pll_configure_sr_hpm_lp); + +static int clk_pll_sr2_enable(struct clk_hw *hw) +{ + struct clk_pll *pll = to_clk_pll(hw); + int ret; + u32 mode; + + ret = regmap_read(pll->clkr.regmap, pll->mode_reg, &mode); + if (ret) + return ret; + + /* Disable PLL bypass mode. */ + ret = regmap_update_bits(pll->clkr.regmap, pll->mode_reg, PLL_BYPASSNL, + PLL_BYPASSNL); + if (ret) + return ret; + + /* + * H/W requires a 5us delay between disabling the bypass and + * de-asserting the reset. Delay 10us just to be safe. + */ + udelay(10); + + /* De-assert active-low PLL reset. */ + ret = regmap_update_bits(pll->clkr.regmap, pll->mode_reg, PLL_RESET_N, + PLL_RESET_N); + if (ret) + return ret; + + ret = wait_for_pll(pll); + if (ret) + return ret; + + /* Enable PLL output. */ + return regmap_update_bits(pll->clkr.regmap, pll->mode_reg, PLL_OUTCTRL, + PLL_OUTCTRL); +} + +static int +clk_pll_sr2_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long prate) +{ + struct clk_pll *pll = to_clk_pll(hw); + const struct pll_freq_tbl *f; + bool enabled; + u32 mode; + u32 enable_mask = PLL_OUTCTRL | PLL_BYPASSNL | PLL_RESET_N; + + f = find_freq(pll->freq_tbl, rate); + if (!f) + return -EINVAL; + + regmap_read(pll->clkr.regmap, pll->mode_reg, &mode); + enabled = (mode & enable_mask) == enable_mask; + + if (enabled) + clk_pll_disable(hw); + + regmap_update_bits(pll->clkr.regmap, pll->l_reg, 0x3ff, f->l); + regmap_update_bits(pll->clkr.regmap, pll->m_reg, 0x7ffff, f->m); + regmap_update_bits(pll->clkr.regmap, pll->n_reg, 0x7ffff, f->n); + + if (enabled) + clk_pll_sr2_enable(hw); + + return 0; +} + +const struct clk_ops clk_pll_sr2_ops = { + .enable = clk_pll_sr2_enable, + .disable = clk_pll_disable, + .set_rate = clk_pll_sr2_set_rate, + .recalc_rate = clk_pll_recalc_rate, + .determine_rate = clk_pll_determine_rate, +}; +EXPORT_SYMBOL_GPL(clk_pll_sr2_ops); diff --git a/drivers/clk/qcom/clk-pll.h b/drivers/clk/qcom/clk-pll.h index c9c0cda306d0..ffd0c63bddbc 100644 --- a/drivers/clk/qcom/clk-pll.h +++ b/drivers/clk/qcom/clk-pll.h @@ -62,6 +62,7 @@ struct clk_pll { extern const struct clk_ops clk_pll_ops; extern const struct clk_ops clk_pll_vote_ops; +extern const struct clk_ops clk_pll_sr2_ops; #define to_clk_pll(_hw) container_of(to_clk_regmap(_hw), struct clk_pll, clkr) diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c index aa6c3bdac040..db3471eecfee 100644 --- a/drivers/clk/qcom/clk-rcg2.c +++ b/drivers/clk/qcom/clk-rcg2.c @@ -530,19 +530,16 @@ static int clk_pixel_set_rate(struct clk_hw *hw, unsigned long rate, struct clk_rcg2 *rcg = to_clk_rcg2(hw); struct freq_tbl f = *rcg->freq_tbl; const struct frac_entry *frac = frac_table_pixel; - unsigned long request, src_rate; + unsigned long request; int delta = 100000; u32 mask = BIT(rcg->hid_width) - 1; u32 hid_div; - int index = qcom_find_src_index(hw, rcg->parent_map, f.src); - struct clk *parent = clk_get_parent_by_index(hw->clk, index); for (; frac->num; frac++) { request = (rate * frac->den) / frac->num; - src_rate = __clk_round_rate(parent, request); - if ((src_rate < (request - delta)) || - (src_rate > (request + delta))) + if ((parent_rate < (request - delta)) || + (parent_rate > (request + delta))) continue; regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, diff --git a/drivers/clk/qcom/gcc-apq8084.c b/drivers/clk/qcom/gcc-apq8084.c index 54a756b90a37..05b7a25b80e8 100644 --- a/drivers/clk/qcom/gcc-apq8084.c +++ b/drivers/clk/qcom/gcc-apq8084.c @@ -48,7 +48,7 @@ static const struct parent_map gcc_xo_gpll0_map[] = { { P_GPLL0, 1 } }; -static const char *gcc_xo_gpll0[] = { +static const char * const gcc_xo_gpll0[] = { "xo", "gpll0_vote", }; @@ -59,7 +59,7 @@ static const struct parent_map gcc_xo_gpll0_gpll4_map[] = { { P_GPLL4, 5 } }; -static const char *gcc_xo_gpll0_gpll4[] = { +static const char * const gcc_xo_gpll0_gpll4[] = { "xo", "gpll0_vote", "gpll4_vote", @@ -70,7 +70,7 @@ static const struct parent_map gcc_xo_sata_asic0_map[] = { { P_SATA_ASIC0_CLK, 2 } }; -static const char *gcc_xo_sata_asic0[] = { +static const char * const gcc_xo_sata_asic0[] = { "xo", "sata_asic0_clk", }; @@ -80,7 +80,7 @@ static const struct parent_map gcc_xo_sata_rx_map[] = { { P_SATA_RX_CLK, 2} }; -static const char *gcc_xo_sata_rx[] = { +static const char * const gcc_xo_sata_rx[] = { "xo", "sata_rx_clk", }; @@ -90,7 +90,7 @@ static const struct parent_map gcc_xo_pcie_map[] = { { P_PCIE_0_1_PIPE_CLK, 2 } }; -static const char *gcc_xo_pcie[] = { +static const char * const gcc_xo_pcie[] = { "xo", "pcie_pipe", }; @@ -100,7 +100,7 @@ static const struct parent_map gcc_xo_pcie_sleep_map[] = { { P_SLEEP_CLK, 6 } }; -static const char *gcc_xo_pcie_sleep[] = { +static const char * const gcc_xo_pcie_sleep[] = { "xo", "sleep_clk_src", }; diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c index 563969942a1d..40e480220cd3 100644 --- a/drivers/clk/qcom/gcc-ipq806x.c +++ b/drivers/clk/qcom/gcc-ipq806x.c @@ -188,7 +188,7 @@ static const struct parent_map gcc_pxo_pll8_map[] = { { P_PLL8, 3 } }; -static const char *gcc_pxo_pll8[] = { +static const char * const gcc_pxo_pll8[] = { "pxo", "pll8_vote", }; @@ -199,7 +199,7 @@ static const struct parent_map gcc_pxo_pll8_cxo_map[] = { { P_CXO, 5 } }; -static const char *gcc_pxo_pll8_cxo[] = { +static const char * const gcc_pxo_pll8_cxo[] = { "pxo", "pll8_vote", "cxo", @@ -215,7 +215,7 @@ static const struct parent_map gcc_pxo_pll3_sata_map[] = { { P_PLL3, 6 } }; -static const char *gcc_pxo_pll3[] = { +static const char * const gcc_pxo_pll3[] = { "pxo", "pll3", }; @@ -226,7 +226,7 @@ static const struct parent_map gcc_pxo_pll8_pll0[] = { { P_PLL0, 2 } }; -static const char *gcc_pxo_pll8_pll0_map[] = { +static const char * const gcc_pxo_pll8_pll0_map[] = { "pxo", "pll8_vote", "pll0_vote", @@ -240,7 +240,7 @@ static const struct parent_map gcc_pxo_pll8_pll14_pll18_pll0_map[] = { { P_PLL18, 1 } }; -static const char *gcc_pxo_pll8_pll14_pll18_pll0[] = { +static const char * const gcc_pxo_pll8_pll14_pll18_pll0[] = { "pxo", "pll8_vote", "pll0_vote", diff --git a/drivers/clk/qcom/gcc-msm8660.c b/drivers/clk/qcom/gcc-msm8660.c index fc6b12da5b30..b02826ed770a 100644 --- a/drivers/clk/qcom/gcc-msm8660.c +++ b/drivers/clk/qcom/gcc-msm8660.c @@ -70,7 +70,7 @@ static const struct parent_map gcc_pxo_pll8_map[] = { { P_PLL8, 3 } }; -static const char *gcc_pxo_pll8[] = { +static const char * const gcc_pxo_pll8[] = { "pxo", "pll8_vote", }; @@ -81,7 +81,7 @@ static const struct parent_map gcc_pxo_pll8_cxo_map[] = { { P_CXO, 5 } }; -static const char *gcc_pxo_pll8_cxo[] = { +static const char * const gcc_pxo_pll8_cxo[] = { "pxo", "pll8_vote", "cxo", @@ -1917,7 +1917,7 @@ static struct clk_rcg usb_fs1_xcvr_fs_src = { } }; -static const char *usb_fs1_xcvr_fs_src_p[] = { "usb_fs1_xcvr_fs_src" }; +static const char * const usb_fs1_xcvr_fs_src_p[] = { "usb_fs1_xcvr_fs_src" }; static struct clk_branch usb_fs1_xcvr_fs_clk = { .halt_reg = 0x2fcc, @@ -1984,7 +1984,7 @@ static struct clk_rcg usb_fs2_xcvr_fs_src = { } }; -static const char *usb_fs2_xcvr_fs_src_p[] = { "usb_fs2_xcvr_fs_src" }; +static const char * const usb_fs2_xcvr_fs_src_p[] = { "usb_fs2_xcvr_fs_src" }; static struct clk_branch usb_fs2_xcvr_fs_clk = { .halt_reg = 0x2fcc, diff --git a/drivers/clk/qcom/gcc-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c index c66f7bc2ae87..3bf4fb3deef6 100644 --- a/drivers/clk/qcom/gcc-msm8916.c +++ b/drivers/clk/qcom/gcc-msm8916.c @@ -51,7 +51,7 @@ static const struct parent_map gcc_xo_gpll0_map[] = { { P_GPLL0, 1 }, }; -static const char *gcc_xo_gpll0[] = { +static const char * const gcc_xo_gpll0[] = { "xo", "gpll0_vote", }; @@ -62,7 +62,7 @@ static const struct parent_map gcc_xo_gpll0_bimc_map[] = { { P_BIMC, 2 }, }; -static const char *gcc_xo_gpll0_bimc[] = { +static const char * const gcc_xo_gpll0_bimc[] = { "xo", "gpll0_vote", "bimc_pll_vote", @@ -75,7 +75,7 @@ static const struct parent_map gcc_xo_gpll0a_gpll1_gpll2a_map[] = { { P_GPLL2_AUX, 2 }, }; -static const char *gcc_xo_gpll0a_gpll1_gpll2a[] = { +static const char * const gcc_xo_gpll0a_gpll1_gpll2a[] = { "xo", "gpll0_vote", "gpll1_vote", @@ -88,7 +88,7 @@ static const struct parent_map gcc_xo_gpll0_gpll2_map[] = { { P_GPLL2, 2 }, }; -static const char *gcc_xo_gpll0_gpll2[] = { +static const char * const gcc_xo_gpll0_gpll2[] = { "xo", "gpll0_vote", "gpll2_vote", @@ -99,7 +99,7 @@ static const struct parent_map gcc_xo_gpll0a_map[] = { { P_GPLL0_AUX, 2 }, }; -static const char *gcc_xo_gpll0a[] = { +static const char * const gcc_xo_gpll0a[] = { "xo", "gpll0_vote", }; @@ -111,7 +111,7 @@ static const struct parent_map gcc_xo_gpll0_gpll1a_sleep_map[] = { { P_SLEEP_CLK, 6 }, }; -static const char *gcc_xo_gpll0_gpll1a_sleep[] = { +static const char * const gcc_xo_gpll0_gpll1a_sleep[] = { "xo", "gpll0_vote", "gpll1_vote", @@ -124,7 +124,7 @@ static const struct parent_map gcc_xo_gpll0_gpll1a_map[] = { { P_GPLL1_AUX, 2 }, }; -static const char *gcc_xo_gpll0_gpll1a[] = { +static const char * const gcc_xo_gpll0_gpll1a[] = { "xo", "gpll0_vote", "gpll1_vote", @@ -135,7 +135,7 @@ static const struct parent_map gcc_xo_dsibyte_map[] = { { P_DSI0_PHYPLL_BYTE, 2 }, }; -static const char *gcc_xo_dsibyte[] = { +static const char * const gcc_xo_dsibyte[] = { "xo", "dsi0pllbyte", }; @@ -146,7 +146,7 @@ static const struct parent_map gcc_xo_gpll0a_dsibyte_map[] = { { P_DSI0_PHYPLL_BYTE, 1 }, }; -static const char *gcc_xo_gpll0a_dsibyte[] = { +static const char * const gcc_xo_gpll0a_dsibyte[] = { "xo", "gpll0_vote", "dsi0pllbyte", @@ -158,7 +158,7 @@ static const struct parent_map gcc_xo_gpll0_dsiphy_map[] = { { P_DSI0_PHYPLL_DSI, 2 }, }; -static const char *gcc_xo_gpll0_dsiphy[] = { +static const char * const gcc_xo_gpll0_dsiphy[] = { "xo", "gpll0_vote", "dsi0pll", @@ -170,7 +170,7 @@ static const struct parent_map gcc_xo_gpll0a_dsiphy_map[] = { { P_DSI0_PHYPLL_DSI, 1 }, }; -static const char *gcc_xo_gpll0a_dsiphy[] = { +static const char * const gcc_xo_gpll0a_dsiphy[] = { "xo", "gpll0_vote", "dsi0pll", @@ -183,7 +183,7 @@ static const struct parent_map gcc_xo_gpll0a_gpll1_gpll2_map[] = { { P_GPLL2, 2 }, }; -static const char *gcc_xo_gpll0a_gpll1_gpll2[] = { +static const char * const gcc_xo_gpll0a_gpll1_gpll2[] = { "xo", "gpll0_vote", "gpll1_vote", diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c index eb6a4f9fa107..aa294b1bad34 100644 --- a/drivers/clk/qcom/gcc-msm8960.c +++ b/drivers/clk/qcom/gcc-msm8960.c @@ -125,7 +125,7 @@ static const struct parent_map gcc_pxo_pll8_map[] = { { P_PLL8, 3 } }; -static const char *gcc_pxo_pll8[] = { +static const char * const gcc_pxo_pll8[] = { "pxo", "pll8_vote", }; @@ -136,7 +136,7 @@ static const struct parent_map gcc_pxo_pll8_cxo_map[] = { { P_CXO, 5 } }; -static const char *gcc_pxo_pll8_cxo[] = { +static const char * const gcc_pxo_pll8_cxo[] = { "pxo", "pll8_vote", "cxo", @@ -148,7 +148,7 @@ static const struct parent_map gcc_pxo_pll8_pll3_map[] = { { P_PLL3, 6 } }; -static const char *gcc_pxo_pll8_pll3[] = { +static const char * const gcc_pxo_pll8_pll3[] = { "pxo", "pll8_vote", "pll3", @@ -2085,7 +2085,7 @@ static struct clk_rcg usb_hsic_xcvr_fs_src = { } }; -static const char *usb_hsic_xcvr_fs_src_p[] = { "usb_hsic_xcvr_fs_src" }; +static const char * const usb_hsic_xcvr_fs_src_p[] = { "usb_hsic_xcvr_fs_src" }; static struct clk_branch usb_hsic_xcvr_fs_clk = { .halt_reg = 0x2fc8, @@ -2181,7 +2181,7 @@ static struct clk_rcg usb_fs1_xcvr_fs_src = { } }; -static const char *usb_fs1_xcvr_fs_src_p[] = { "usb_fs1_xcvr_fs_src" }; +static const char * const usb_fs1_xcvr_fs_src_p[] = { "usb_fs1_xcvr_fs_src" }; static struct clk_branch usb_fs1_xcvr_fs_clk = { .halt_reg = 0x2fcc, @@ -2248,7 +2248,7 @@ static struct clk_rcg usb_fs2_xcvr_fs_src = { } }; -static const char *usb_fs2_xcvr_fs_src_p[] = { "usb_fs2_xcvr_fs_src" }; +static const char * const usb_fs2_xcvr_fs_src_p[] = { "usb_fs2_xcvr_fs_src" }; static struct clk_branch usb_fs2_xcvr_fs_clk = { .halt_reg = 0x2fcc, diff --git a/drivers/clk/qcom/gcc-msm8974.c b/drivers/clk/qcom/gcc-msm8974.c index c39d09874e74..2c289702119f 100644 --- a/drivers/clk/qcom/gcc-msm8974.c +++ b/drivers/clk/qcom/gcc-msm8974.c @@ -44,7 +44,7 @@ static const struct parent_map gcc_xo_gpll0_map[] = { { P_GPLL0, 1 } }; -static const char *gcc_xo_gpll0[] = { +static const char * const gcc_xo_gpll0[] = { "xo", "gpll0_vote", }; @@ -55,7 +55,7 @@ static const struct parent_map gcc_xo_gpll0_gpll4_map[] = { { P_GPLL4, 5 } }; -static const char *gcc_xo_gpll0_gpll4[] = { +static const char * const gcc_xo_gpll0_gpll4[] = { "xo", "gpll0_vote", "gpll4_vote", diff --git a/drivers/clk/qcom/lcc-ipq806x.c b/drivers/clk/qcom/lcc-ipq806x.c index 47f0ac16d149..93ad42b14366 100644 --- a/drivers/clk/qcom/lcc-ipq806x.c +++ b/drivers/clk/qcom/lcc-ipq806x.c @@ -71,7 +71,7 @@ static const struct parent_map lcc_pxo_pll4_map[] = { { P_PLL4, 2 } }; -static const char *lcc_pxo_pll4[] = { +static const char * const lcc_pxo_pll4[] = { "pxo", "pll4_vote", }; @@ -146,7 +146,7 @@ static struct clk_rcg mi2s_osr_src = { }, }; -static const char *lcc_mi2s_parents[] = { +static const char * const lcc_mi2s_parents[] = { "mi2s_osr_src", }; @@ -340,7 +340,7 @@ static struct clk_rcg spdif_src = { }, }; -static const char *lcc_spdif_parents[] = { +static const char * const lcc_spdif_parents[] = { "spdif_src", }; diff --git a/drivers/clk/qcom/lcc-msm8960.c b/drivers/clk/qcom/lcc-msm8960.c index d0df9d5fc3af..ecb96c284675 100644 --- a/drivers/clk/qcom/lcc-msm8960.c +++ b/drivers/clk/qcom/lcc-msm8960.c @@ -57,7 +57,7 @@ static const struct parent_map lcc_pxo_pll4_map[] = { { P_PLL4, 2 } }; -static const char *lcc_pxo_pll4[] = { +static const char * const lcc_pxo_pll4[] = { "pxo", "pll4_vote", }; @@ -127,7 +127,7 @@ static struct clk_rcg mi2s_osr_src = { }, }; -static const char *lcc_mi2s_parents[] = { +static const char * const lcc_mi2s_parents[] = { "mi2s_osr_src", }; @@ -233,7 +233,7 @@ static struct clk_rcg prefix##_osr_src = { \ }, \ }; \ \ -static const char *lcc_##prefix##_parents[] = { \ +static const char * const lcc_##prefix##_parents[] = { \ #prefix "_osr_src", \ }; \ \ @@ -445,7 +445,7 @@ static struct clk_rcg slimbus_src = { }, }; -static const char *lcc_slimbus_parents[] = { +static const char * const lcc_slimbus_parents[] = { "slimbus_src", }; diff --git a/drivers/clk/qcom/mmcc-apq8084.c b/drivers/clk/qcom/mmcc-apq8084.c index 1b17df2cb0af..f0ee6bde11af 100644 --- a/drivers/clk/qcom/mmcc-apq8084.c +++ b/drivers/clk/qcom/mmcc-apq8084.c @@ -53,7 +53,7 @@ static const struct parent_map mmcc_xo_mmpll0_mmpll1_gpll0_map[] = { { P_GPLL0, 5 } }; -static const char *mmcc_xo_mmpll0_mmpll1_gpll0[] = { +static const char * const mmcc_xo_mmpll0_mmpll1_gpll0[] = { "xo", "mmpll0_vote", "mmpll1_vote", @@ -69,7 +69,7 @@ static const struct parent_map mmcc_xo_mmpll0_dsi_hdmi_gpll0_map[] = { { P_DSI1PLL, 3 } }; -static const char *mmcc_xo_mmpll0_dsi_hdmi_gpll0[] = { +static const char * const mmcc_xo_mmpll0_dsi_hdmi_gpll0[] = { "xo", "mmpll0_vote", "hdmipll", @@ -86,7 +86,7 @@ static const struct parent_map mmcc_xo_mmpll0_1_2_gpll0_map[] = { { P_MMPLL2, 3 } }; -static const char *mmcc_xo_mmpll0_1_2_gpll0[] = { +static const char * const mmcc_xo_mmpll0_1_2_gpll0[] = { "xo", "mmpll0_vote", "mmpll1_vote", @@ -102,7 +102,7 @@ static const struct parent_map mmcc_xo_mmpll0_1_3_gpll0_map[] = { { P_MMPLL3, 3 } }; -static const char *mmcc_xo_mmpll0_1_3_gpll0[] = { +static const char * const mmcc_xo_mmpll0_1_3_gpll0[] = { "xo", "mmpll0_vote", "mmpll1_vote", @@ -119,7 +119,7 @@ static const struct parent_map mmcc_xo_dsi_hdmi_edp_map[] = { { P_DSI1PLL, 2 } }; -static const char *mmcc_xo_dsi_hdmi_edp[] = { +static const char * const mmcc_xo_dsi_hdmi_edp[] = { "xo", "edp_link_clk", "hdmipll", @@ -137,7 +137,7 @@ static const struct parent_map mmcc_xo_dsi_hdmi_edp_gpll0_map[] = { { P_DSI1PLL, 2 } }; -static const char *mmcc_xo_dsi_hdmi_edp_gpll0[] = { +static const char * const mmcc_xo_dsi_hdmi_edp_gpll0[] = { "xo", "edp_link_clk", "hdmipll", @@ -155,7 +155,7 @@ static const struct parent_map mmcc_xo_dsibyte_hdmi_edp_gpll0_map[] = { { P_DSI1PLL_BYTE, 2 } }; -static const char *mmcc_xo_dsibyte_hdmi_edp_gpll0[] = { +static const char * const mmcc_xo_dsibyte_hdmi_edp_gpll0[] = { "xo", "edp_link_clk", "hdmipll", @@ -172,7 +172,7 @@ static const struct parent_map mmcc_xo_mmpll0_1_4_gpll0_map[] = { { P_MMPLL4, 3 } }; -static const char *mmcc_xo_mmpll0_1_4_gpll0[] = { +static const char * const mmcc_xo_mmpll0_1_4_gpll0[] = { "xo", "mmpll0", "mmpll1", @@ -189,7 +189,7 @@ static const struct parent_map mmcc_xo_mmpll0_1_4_gpll1_0_map[] = { { P_GPLL1, 4 } }; -static const char *mmcc_xo_mmpll0_1_4_gpll1_0[] = { +static const char * const mmcc_xo_mmpll0_1_4_gpll1_0[] = { "xo", "mmpll0", "mmpll1", @@ -208,7 +208,7 @@ static const struct parent_map mmcc_xo_mmpll0_1_4_gpll1_0_sleep_map[] = { { P_MMSLEEP, 6 } }; -static const char *mmcc_xo_mmpll0_1_4_gpll1_0_sleep[] = { +static const char * const mmcc_xo_mmpll0_1_4_gpll1_0_sleep[] = { "xo", "mmpll0", "mmpll1", diff --git a/drivers/clk/qcom/mmcc-msm8960.c b/drivers/clk/qcom/mmcc-msm8960.c index 9711bca9cc06..54aadbcda61a 100644 --- a/drivers/clk/qcom/mmcc-msm8960.c +++ b/drivers/clk/qcom/mmcc-msm8960.c @@ -50,7 +50,7 @@ static const struct parent_map mmcc_pxo_pll8_pll2_map[] = { { P_PLL2, 1 } }; -static const char *mmcc_pxo_pll8_pll2[] = { +static const char * const mmcc_pxo_pll8_pll2[] = { "pxo", "pll8_vote", "pll2", @@ -63,7 +63,7 @@ static const struct parent_map mmcc_pxo_pll8_pll2_pll3_map[] = { { P_PLL3, 3 } }; -static const char *mmcc_pxo_pll8_pll2_pll15[] = { +static const char * const mmcc_pxo_pll8_pll2_pll15[] = { "pxo", "pll8_vote", "pll2", @@ -77,7 +77,7 @@ static const struct parent_map mmcc_pxo_pll8_pll2_pll15_map[] = { { P_PLL15, 3 } }; -static const char *mmcc_pxo_pll8_pll2_pll3[] = { +static const char * const mmcc_pxo_pll8_pll2_pll3[] = { "pxo", "pll8_vote", "pll2", @@ -579,7 +579,7 @@ static const struct clk_ops clk_ops_pix_rdi = { .determine_rate = __clk_mux_determine_rate, }; -static const char *pix_rdi_parents[] = { +static const char * const pix_rdi_parents[] = { "csi0_clk", "csi1_clk", "csi2_clk", @@ -709,7 +709,7 @@ static struct clk_rcg csiphytimer_src = { }, }; -static const char *csixphy_timer_src[] = { "csiphytimer_src" }; +static const char * const csixphy_timer_src[] = { "csiphytimer_src" }; static struct clk_branch csiphy0_timer_clk = { .halt_reg = 0x01e8, @@ -1385,7 +1385,7 @@ static const struct parent_map mmcc_pxo_hdmi_map[] = { { P_HDMI_PLL, 3 } }; -static const char *mmcc_pxo_hdmi[] = { +static const char * const mmcc_pxo_hdmi[] = { "pxo", "hdmi_pll", }; @@ -1428,7 +1428,7 @@ static struct clk_rcg tv_src = { }, }; -static const char *tv_src_name[] = { "tv_src" }; +static const char * const tv_src_name[] = { "tv_src" }; static struct clk_branch tv_enc_clk = { .halt_reg = 0x01d4, diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c index 07f4cc159ad3..0987bf443e1f 100644 --- a/drivers/clk/qcom/mmcc-msm8974.c +++ b/drivers/clk/qcom/mmcc-msm8974.c @@ -56,7 +56,7 @@ static const struct parent_map mmcc_xo_mmpll0_mmpll1_gpll0_map[] = { { P_GPLL0, 5 } }; -static const char *mmcc_xo_mmpll0_mmpll1_gpll0[] = { +static const char * const mmcc_xo_mmpll0_mmpll1_gpll0[] = { "xo", "mmpll0_vote", "mmpll1_vote", @@ -72,7 +72,7 @@ static const struct parent_map mmcc_xo_mmpll0_dsi_hdmi_gpll0_map[] = { { P_DSI1PLL, 3 } }; -static const char *mmcc_xo_mmpll0_dsi_hdmi_gpll0[] = { +static const char * const mmcc_xo_mmpll0_dsi_hdmi_gpll0[] = { "xo", "mmpll0_vote", "hdmipll", @@ -89,7 +89,7 @@ static const struct parent_map mmcc_xo_mmpll0_1_2_gpll0_map[] = { { P_MMPLL2, 3 } }; -static const char *mmcc_xo_mmpll0_1_2_gpll0[] = { +static const char * const mmcc_xo_mmpll0_1_2_gpll0[] = { "xo", "mmpll0_vote", "mmpll1_vote", @@ -105,7 +105,7 @@ static const struct parent_map mmcc_xo_mmpll0_1_3_gpll0_map[] = { { P_MMPLL3, 3 } }; -static const char *mmcc_xo_mmpll0_1_3_gpll0[] = { +static const char * const mmcc_xo_mmpll0_1_3_gpll0[] = { "xo", "mmpll0_vote", "mmpll1_vote", @@ -121,7 +121,7 @@ static const struct parent_map mmcc_xo_mmpll0_1_gpll1_0_map[] = { { P_GPLL1, 4 } }; -static const char *mmcc_xo_mmpll0_1_gpll1_0[] = { +static const char * const mmcc_xo_mmpll0_1_gpll1_0[] = { "xo", "mmpll0_vote", "mmpll1_vote", @@ -138,7 +138,7 @@ static const struct parent_map mmcc_xo_dsi_hdmi_edp_map[] = { { P_DSI1PLL, 2 } }; -static const char *mmcc_xo_dsi_hdmi_edp[] = { +static const char * const mmcc_xo_dsi_hdmi_edp[] = { "xo", "edp_link_clk", "hdmipll", @@ -156,7 +156,7 @@ static const struct parent_map mmcc_xo_dsi_hdmi_edp_gpll0_map[] = { { P_DSI1PLL, 2 } }; -static const char *mmcc_xo_dsi_hdmi_edp_gpll0[] = { +static const char * const mmcc_xo_dsi_hdmi_edp_gpll0[] = { "xo", "edp_link_clk", "hdmipll", @@ -174,7 +174,7 @@ static const struct parent_map mmcc_xo_dsibyte_hdmi_edp_gpll0_map[] = { { P_DSI1PLL_BYTE, 2 } }; -static const char *mmcc_xo_dsibyte_hdmi_edp_gpll0[] = { +static const char * const mmcc_xo_dsibyte_hdmi_edp_gpll0[] = { "xo", "edp_link_clk", "hdmipll", diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile index 2714097f90db..b27edd6c8183 100644 --- a/drivers/clk/rockchip/Makefile +++ b/drivers/clk/rockchip/Makefile @@ -6,8 +6,10 @@ obj-y += clk-rockchip.o obj-y += clk.o obj-y += clk-pll.o obj-y += clk-cpu.o +obj-y += clk-inverter.o obj-y += clk-mmc-phase.o obj-$(CONFIG_RESET_CONTROLLER) += softrst.o obj-y += clk-rk3188.o obj-y += clk-rk3288.o +obj-y += clk-rk3368.o diff --git a/drivers/clk/rockchip/clk-inverter.c b/drivers/clk/rockchip/clk-inverter.c new file mode 100644 index 000000000000..8054fdb5effb --- /dev/null +++ b/drivers/clk/rockchip/clk-inverter.c @@ -0,0 +1,116 @@ +/* + * Copyright 2015 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/slab.h> +#include <linux/clk-provider.h> +#include <linux/io.h> +#include <linux/spinlock.h> +#include <linux/kernel.h> +#include "clk.h" + +struct rockchip_inv_clock { + struct clk_hw hw; + void __iomem *reg; + int shift; + int flags; + spinlock_t *lock; +}; + +#define to_inv_clock(_hw) container_of(_hw, struct rockchip_inv_clock, hw) + +#define INVERTER_MASK 0x1 + +static int rockchip_inv_get_phase(struct clk_hw *hw) +{ + struct rockchip_inv_clock *inv_clock = to_inv_clock(hw); + u32 val; + + val = readl(inv_clock->reg) >> inv_clock->shift; + val &= INVERTER_MASK; + return val ? 180 : 0; +} + +static int rockchip_inv_set_phase(struct clk_hw *hw, int degrees) +{ + struct rockchip_inv_clock *inv_clock = to_inv_clock(hw); + u32 val; + + if (degrees % 180 == 0) { + val = !!degrees; + } else { + pr_err("%s: unsupported phase %d for %s\n", + __func__, degrees, __clk_get_name(hw->clk)); + return -EINVAL; + } + + if (inv_clock->flags & ROCKCHIP_INVERTER_HIWORD_MASK) { + writel(HIWORD_UPDATE(val, INVERTER_MASK, inv_clock->shift), + inv_clock->reg); + } else { + unsigned long flags; + u32 reg; + + spin_lock_irqsave(inv_clock->lock, flags); + + reg = readl(inv_clock->reg); + reg &= ~BIT(inv_clock->shift); + reg |= val; + writel(reg, inv_clock->reg); + + spin_unlock_irqrestore(inv_clock->lock, flags); + } + + return 0; +} + +static const struct clk_ops rockchip_inv_clk_ops = { + .get_phase = rockchip_inv_get_phase, + .set_phase = rockchip_inv_set_phase, +}; + +struct clk *rockchip_clk_register_inverter(const char *name, + const char *const *parent_names, u8 num_parents, + void __iomem *reg, int shift, int flags, + spinlock_t *lock) +{ + struct clk_init_data init; + struct rockchip_inv_clock *inv_clock; + struct clk *clk; + + inv_clock = kmalloc(sizeof(*inv_clock), GFP_KERNEL); + if (!inv_clock) + return NULL; + + init.name = name; + init.num_parents = num_parents; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = parent_names; + init.ops = &rockchip_inv_clk_ops; + + inv_clock->hw.init = &init; + inv_clock->reg = reg; + inv_clock->shift = shift; + inv_clock->flags = flags; + inv_clock->lock = lock; + + clk = clk_register(NULL, &inv_clock->hw); + if (IS_ERR(clk)) + goto err_free; + + return clk; + +err_free: + kfree(inv_clock); + return NULL; +} diff --git a/drivers/clk/rockchip/clk-mmc-phase.c b/drivers/clk/rockchip/clk-mmc-phase.c index e9f8df324e7c..f2c6889f289c 100644 --- a/drivers/clk/rockchip/clk-mmc-phase.c +++ b/drivers/clk/rockchip/clk-mmc-phase.c @@ -15,6 +15,8 @@ #include <linux/slab.h> #include <linux/clk-provider.h> +#include <linux/io.h> +#include <linux/kernel.h> #include "clk.h" struct rockchip_mmc_clock { @@ -131,6 +133,7 @@ struct clk *rockchip_clk_register_mmc(const char *name, if (!mmc_clock) return NULL; + init.name = name; init.num_parents = num_parents; init.parent_names = parent_names; init.ops = &rockchip_mmc_clk_ops; @@ -139,9 +142,6 @@ struct clk *rockchip_clk_register_mmc(const char *name, mmc_clock->reg = reg; mmc_clock->shift = shift; - if (name) - init.name = name; - clk = clk_register(NULL, &mmc_clock->hw); if (IS_ERR(clk)) goto err_free; diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c index e4f9d472f1ff..a9ab4f9c1305 100644 --- a/drivers/clk/rockchip/clk-rk3188.c +++ b/drivers/clk/rockchip/clk-rk3188.c @@ -235,6 +235,7 @@ static struct rockchip_pll_clock rk3188_pll_clks[] __initdata = { #define MFLAGS CLK_MUX_HIWORD_MASK #define DFLAGS CLK_DIVIDER_HIWORD_MASK #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE) +#define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK /* 2 ^ (val + 1) */ static struct clk_div_table div_core_peri_t[] = { @@ -310,6 +311,8 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { GATE(0, "pclkin_cif0", "ext_cif0", 0, RK2928_CLKGATE_CON(3), 3, GFLAGS), + INVERTER(0, "pclk_cif0", "pclkin_cif0", + RK2928_CLKSEL_CON(30), 8, IFLAGS), /* * the 480m are generated inside the usb block from these clocks, @@ -334,8 +337,10 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { COMPOSITE_FRAC(0, "hsadc_frac", "hsadc_src", 0, RK2928_CLKSEL_CON(23), 0, RK2928_CLKGATE_CON(2), 7, GFLAGS), - MUX(SCLK_HSADC, "sclk_hsadc", mux_sclk_hsadc_p, 0, + MUX(0, "sclk_hsadc_out", mux_sclk_hsadc_p, 0, RK2928_CLKSEL_CON(22), 4, 2, MFLAGS), + INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out", + RK2928_CLKSEL_CON(22), 7, IFLAGS), COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0, RK2928_CLKSEL_CON(24), 8, 8, DFLAGS, @@ -557,6 +562,8 @@ static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = { GATE(0, "pclkin_cif1", "ext_cif1", 0, RK2928_CLKGATE_CON(3), 4, GFLAGS), + INVERTER(0, "pclk_cif1", "pclkin_cif1", + RK2928_CLKSEL_CON(30), 12, IFLAGS), COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0, RK2928_CLKSEL_CON(33), 8, 1, MFLAGS, 0, 5, DFLAGS, diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index 4f817ed9e6ee..a8bad7d3a487 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -189,7 +189,7 @@ PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" }; PNAME(mux_uart2_p) = { "uart2_src", "uart2_frac", "xin24m" }; PNAME(mux_uart3_p) = { "uart3_src", "uart3_frac", "xin24m" }; PNAME(mux_uart4_p) = { "uart4_src", "uart4_frac", "xin24m" }; -PNAME(mux_cif_out_p) = { "cif_src", "xin24m" }; +PNAME(mux_vip_out_p) = { "vip_src", "xin24m" }; PNAME(mux_mac_p) = { "mac_pll_src", "ext_gmac" }; PNAME(mux_hsadcout_p) = { "hsadc_src", "ext_hsadc" }; PNAME(mux_edp_24m_p) = { "ext_edp_24m", "xin24m" }; @@ -223,6 +223,7 @@ static struct clk_div_table div_hclk_cpu_t[] = { #define MFLAGS CLK_MUX_HIWORD_MASK #define DFLAGS CLK_DIVIDER_HIWORD_MASK #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE) +#define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { /* @@ -434,7 +435,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE_NODIV(0, "vip_src", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(26), 8, 1, MFLAGS, RK3288_CLKGATE_CON(3), 7, GFLAGS), - COMPOSITE_NOGATE(0, "sclk_vip_out", mux_cif_out_p, 0, + COMPOSITE_NOGATE(0, "sclk_vip_out", mux_vip_out_p, 0, RK3288_CLKSEL_CON(26), 15, 1, MFLAGS, 9, 5, DFLAGS), DIV(0, "pclk_pd_alive", "gpll", 0, @@ -578,7 +579,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE(0, "mac_pll_src", mux_pll_src_npll_cpll_gpll_p, 0, RK3288_CLKSEL_CON(21), 0, 2, MFLAGS, 8, 5, DFLAGS, RK3288_CLKGATE_CON(2), 5, GFLAGS), - MUX(SCLK_MAC, "mac_clk", mux_mac_p, 0, + MUX(SCLK_MAC, "mac_clk", mux_mac_p, CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(21), 4, 1, MFLAGS), GATE(SCLK_MACREF_OUT, "sclk_macref_out", "mac_clk", 0, RK3288_CLKGATE_CON(5), 3, GFLAGS), @@ -592,8 +593,10 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE(0, "hsadc_src", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS, RK3288_CLKGATE_CON(2), 6, GFLAGS), - MUX(SCLK_HSADC, "sclk_hsadc_out", mux_hsadcout_p, 0, + MUX(0, "sclk_hsadc_out", mux_hsadcout_p, 0, RK3288_CLKSEL_CON(22), 4, 1, MFLAGS), + INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out", + RK3288_CLKSEL_CON(22), 7, IFLAGS), GATE(0, "jtag", "ext_jtag", 0, RK3288_CLKGATE_CON(4), 14, GFLAGS), @@ -768,7 +771,9 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { */ GATE(0, "pclk_vip_in", "ext_vip", 0, RK3288_CLKGATE_CON(16), 0, GFLAGS), + INVERTER(0, "pclk_vip", "pclk_vip_in", RK3288_CLKSEL_CON(29), 4, IFLAGS), GATE(0, "pclk_isp_in", "ext_isp", 0, RK3288_CLKGATE_CON(16), 3, GFLAGS), + INVERTER(0, "pclk_isp", "pclk_isp_in", RK3288_CLKSEL_CON(29), 3, IFLAGS), }; static const char *const rk3288_critical_clocks[] __initconst = { diff --git a/drivers/clk/rockchip/clk-rk3368.c b/drivers/clk/rockchip/clk-rk3368.c new file mode 100644 index 000000000000..9c5d61e698ef --- /dev/null +++ b/drivers/clk/rockchip/clk-rk3368.c @@ -0,0 +1,881 @@ +/* + * Copyright (c) 2015 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <dt-bindings/clock/rk3368-cru.h> +#include "clk.h" + +#define RK3368_GRF_SOC_STATUS0 0x480 + +enum rk3368_plls { + apllb, aplll, dpll, cpll, gpll, npll, +}; + +static struct rockchip_pll_rate_table rk3368_pll_rates[] = { + RK3066_PLL_RATE(2208000000, 1, 92, 1), + RK3066_PLL_RATE(2184000000, 1, 91, 1), + RK3066_PLL_RATE(2160000000, 1, 90, 1), + RK3066_PLL_RATE(2136000000, 1, 89, 1), + RK3066_PLL_RATE(2112000000, 1, 88, 1), + RK3066_PLL_RATE(2088000000, 1, 87, 1), + RK3066_PLL_RATE(2064000000, 1, 86, 1), + RK3066_PLL_RATE(2040000000, 1, 85, 1), + RK3066_PLL_RATE(2016000000, 1, 84, 1), + RK3066_PLL_RATE(1992000000, 1, 83, 1), + RK3066_PLL_RATE(1968000000, 1, 82, 1), + RK3066_PLL_RATE(1944000000, 1, 81, 1), + RK3066_PLL_RATE(1920000000, 1, 80, 1), + RK3066_PLL_RATE(1896000000, 1, 79, 1), + RK3066_PLL_RATE(1872000000, 1, 78, 1), + RK3066_PLL_RATE(1848000000, 1, 77, 1), + RK3066_PLL_RATE(1824000000, 1, 76, 1), + RK3066_PLL_RATE(1800000000, 1, 75, 1), + RK3066_PLL_RATE(1776000000, 1, 74, 1), + RK3066_PLL_RATE(1752000000, 1, 73, 1), + RK3066_PLL_RATE(1728000000, 1, 72, 1), + RK3066_PLL_RATE(1704000000, 1, 71, 1), + RK3066_PLL_RATE(1680000000, 1, 70, 1), + RK3066_PLL_RATE(1656000000, 1, 69, 1), + RK3066_PLL_RATE(1632000000, 1, 68, 1), + RK3066_PLL_RATE(1608000000, 1, 67, 1), + RK3066_PLL_RATE(1560000000, 1, 65, 1), + RK3066_PLL_RATE(1512000000, 1, 63, 1), + RK3066_PLL_RATE(1488000000, 1, 62, 1), + RK3066_PLL_RATE(1464000000, 1, 61, 1), + RK3066_PLL_RATE(1440000000, 1, 60, 1), + RK3066_PLL_RATE(1416000000, 1, 59, 1), + RK3066_PLL_RATE(1392000000, 1, 58, 1), + RK3066_PLL_RATE(1368000000, 1, 57, 1), + RK3066_PLL_RATE(1344000000, 1, 56, 1), + RK3066_PLL_RATE(1320000000, 1, 55, 1), + RK3066_PLL_RATE(1296000000, 1, 54, 1), + RK3066_PLL_RATE(1272000000, 1, 53, 1), + RK3066_PLL_RATE(1248000000, 1, 52, 1), + RK3066_PLL_RATE(1224000000, 1, 51, 1), + RK3066_PLL_RATE(1200000000, 1, 50, 1), + RK3066_PLL_RATE(1176000000, 1, 49, 1), + RK3066_PLL_RATE(1128000000, 1, 47, 1), + RK3066_PLL_RATE(1104000000, 1, 46, 1), + RK3066_PLL_RATE(1008000000, 1, 84, 2), + RK3066_PLL_RATE( 912000000, 1, 76, 2), + RK3066_PLL_RATE( 888000000, 1, 74, 2), + RK3066_PLL_RATE( 816000000, 1, 68, 2), + RK3066_PLL_RATE( 792000000, 1, 66, 2), + RK3066_PLL_RATE( 696000000, 1, 58, 2), + RK3066_PLL_RATE( 672000000, 1, 56, 2), + RK3066_PLL_RATE( 648000000, 1, 54, 2), + RK3066_PLL_RATE( 624000000, 1, 52, 2), + RK3066_PLL_RATE( 600000000, 1, 50, 2), + RK3066_PLL_RATE( 576000000, 1, 48, 2), + RK3066_PLL_RATE( 552000000, 1, 46, 2), + RK3066_PLL_RATE( 528000000, 1, 88, 4), + RK3066_PLL_RATE( 504000000, 1, 84, 4), + RK3066_PLL_RATE( 480000000, 1, 80, 4), + RK3066_PLL_RATE( 456000000, 1, 76, 4), + RK3066_PLL_RATE( 408000000, 1, 68, 4), + RK3066_PLL_RATE( 312000000, 1, 52, 4), + RK3066_PLL_RATE( 252000000, 1, 84, 8), + RK3066_PLL_RATE( 216000000, 1, 72, 8), + RK3066_PLL_RATE( 126000000, 2, 84, 8), + RK3066_PLL_RATE( 48000000, 2, 32, 8), + { /* sentinel */ }, +}; + +PNAME(mux_pll_p) = { "xin24m", "xin32k" }; +PNAME(mux_armclkb_p) = { "apllb_core", "gpllb_core" }; +PNAME(mux_armclkl_p) = { "aplll_core", "gplll_core" }; +PNAME(mux_ddrphy_p) = { "dpll_ddr", "gpll_ddr" }; +PNAME(mux_cs_src_p) = { "apllb_cs", "aplll_cs", "gpll_cs"}; +PNAME(mux_aclk_bus_src_p) = { "cpll_aclk_bus", "gpll_aclk_bus" }; + +PNAME(mux_pll_src_cpll_gpll_p) = { "cpll", "gpll" }; +PNAME(mux_pll_src_cpll_gpll_npll_p) = { "cpll", "gpll", "npll" }; +PNAME(mux_pll_src_npll_cpll_gpll_p) = { "npll", "cpll", "gpll" }; +PNAME(mux_pll_src_cpll_gpll_usb_p) = { "cpll", "gpll", "usbphy_480m" }; +PNAME(mux_pll_src_cpll_gpll_usb_usb_p) = { "cpll", "gpll", "usbphy_480m", + "usbphy_480m" }; +PNAME(mux_pll_src_cpll_gpll_usb_npll_p) = { "cpll", "gpll", "usbphy_480m", + "npll" }; +PNAME(mux_pll_src_cpll_gpll_npll_npll_p) = { "cpll", "gpll", "npll", "npll" }; +PNAME(mux_pll_src_cpll_gpll_npll_usb_p) = { "cpll", "gpll", "npll", + "usbphy_480m" }; + +PNAME(mux_i2s_8ch_pre_p) = { "i2s_8ch_src", "i2s_8ch_frac", + "ext_i2s", "xin12m" }; +PNAME(mux_i2s_8ch_clkout_p) = { "i2s_8ch_pre", "xin12m" }; +PNAME(mux_i2s_2ch_p) = { "i2s_2ch_src", "i2s_2ch_frac", + "dummy", "xin12m" }; +PNAME(mux_spdif_8ch_p) = { "spdif_8ch_pre", "spdif_8ch_frac", + "ext_i2s", "xin12m" }; +PNAME(mux_edp_24m_p) = { "dummy", "xin24m" }; +PNAME(mux_vip_out_p) = { "vip_src", "xin24m" }; +PNAME(mux_usbphy480m_p) = { "usbotg_out", "xin24m" }; +PNAME(mux_hsic_usbphy480m_p) = { "usbotg_out", "dummy" }; +PNAME(mux_hsicphy480m_p) = { "cpll", "gpll", "usbphy_480m" }; +PNAME(mux_uart0_p) = { "uart0_src", "uart0_frac", "xin24m" }; +PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" }; +PNAME(mux_uart2_p) = { "uart2_src", "xin24m" }; +PNAME(mux_uart3_p) = { "uart3_src", "uart3_frac", "xin24m" }; +PNAME(mux_uart4_p) = { "uart4_src", "uart4_frac", "xin24m" }; +PNAME(mux_mac_p) = { "mac_pll_src", "ext_gmac" }; +PNAME(mux_mmc_src_p) = { "cpll", "gpll", "usbphy_480m", "xin24m" }; + +static struct rockchip_pll_clock rk3368_pll_clks[] __initdata = { + [apllb] = PLL(pll_rk3066, PLL_APLLB, "apllb", mux_pll_p, 0, RK3368_PLL_CON(0), + RK3368_PLL_CON(3), 8, 1, 0, rk3368_pll_rates), + [aplll] = PLL(pll_rk3066, PLL_APLLL, "aplll", mux_pll_p, 0, RK3368_PLL_CON(4), + RK3368_PLL_CON(7), 8, 0, 0, rk3368_pll_rates), + [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK3368_PLL_CON(8), + RK3368_PLL_CON(11), 8, 2, 0, NULL), + [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK3368_PLL_CON(12), + RK3368_PLL_CON(15), 8, 3, ROCKCHIP_PLL_SYNC_RATE, rk3368_pll_rates), + [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK3368_PLL_CON(16), + RK3368_PLL_CON(19), 8, 4, ROCKCHIP_PLL_SYNC_RATE, rk3368_pll_rates), + [npll] = PLL(pll_rk3066, PLL_NPLL, "npll", mux_pll_p, 0, RK3368_PLL_CON(20), + RK3368_PLL_CON(23), 8, 5, ROCKCHIP_PLL_SYNC_RATE, rk3368_pll_rates), +}; + +static struct clk_div_table div_ddrphy_t[] = { + { .val = 0, .div = 1 }, + { .val = 1, .div = 2 }, + { .val = 3, .div = 4 }, + { /* sentinel */ }, +}; + +#define MFLAGS CLK_MUX_HIWORD_MASK +#define DFLAGS CLK_DIVIDER_HIWORD_MASK +#define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE) +#define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK + +static const struct rockchip_cpuclk_reg_data rk3368_cpuclkb_data = { + .core_reg = RK3368_CLKSEL_CON(0), + .div_core_shift = 0, + .div_core_mask = 0x1f, + .mux_core_shift = 15, +}; + +static const struct rockchip_cpuclk_reg_data rk3368_cpuclkl_data = { + .core_reg = RK3368_CLKSEL_CON(2), + .div_core_shift = 0, + .div_core_mask = 0x1f, + .mux_core_shift = 7, +}; + +#define RK3368_DIV_ACLKM_MASK 0x1f +#define RK3368_DIV_ACLKM_SHIFT 8 +#define RK3368_DIV_ATCLK_MASK 0x1f +#define RK3368_DIV_ATCLK_SHIFT 0 +#define RK3368_DIV_PCLK_DBG_MASK 0x1f +#define RK3368_DIV_PCLK_DBG_SHIFT 8 + +#define RK3368_CLKSEL0(_offs, _aclkm) \ + { \ + .reg = RK3288_CLKSEL_CON(0 + _offs), \ + .val = HIWORD_UPDATE(_aclkm, RK3368_DIV_ACLKM_MASK, \ + RK3368_DIV_ACLKM_SHIFT), \ + } +#define RK3368_CLKSEL1(_offs, _atclk, _pdbg) \ + { \ + .reg = RK3288_CLKSEL_CON(1 + _offs), \ + .val = HIWORD_UPDATE(_atclk, RK3368_DIV_ATCLK_MASK, \ + RK3368_DIV_ATCLK_SHIFT) | \ + HIWORD_UPDATE(_pdbg, RK3368_DIV_PCLK_DBG_MASK, \ + RK3368_DIV_PCLK_DBG_SHIFT), \ + } + +/* cluster_b: aclkm in clksel0, rest in clksel1 */ +#define RK3368_CPUCLKB_RATE(_prate, _aclkm, _atclk, _pdbg) \ + { \ + .prate = _prate, \ + .divs = { \ + RK3368_CLKSEL0(0, _aclkm), \ + RK3368_CLKSEL1(0, _atclk, _pdbg), \ + }, \ + } + +/* cluster_l: aclkm in clksel2, rest in clksel3 */ +#define RK3368_CPUCLKL_RATE(_prate, _aclkm, _atclk, _pdbg) \ + { \ + .prate = _prate, \ + .divs = { \ + RK3368_CLKSEL0(2, _aclkm), \ + RK3368_CLKSEL1(2, _atclk, _pdbg), \ + }, \ + } + +static struct rockchip_cpuclk_rate_table rk3368_cpuclkb_rates[] __initdata = { + RK3368_CPUCLKB_RATE(1512000000, 2, 6, 6), + RK3368_CPUCLKB_RATE(1488000000, 2, 5, 5), + RK3368_CPUCLKB_RATE(1416000000, 2, 5, 5), + RK3368_CPUCLKB_RATE(1200000000, 2, 4, 4), + RK3368_CPUCLKB_RATE(1008000000, 2, 4, 4), + RK3368_CPUCLKB_RATE( 816000000, 2, 3, 3), + RK3368_CPUCLKB_RATE( 696000000, 2, 3, 3), + RK3368_CPUCLKB_RATE( 600000000, 2, 2, 2), + RK3368_CPUCLKB_RATE( 408000000, 2, 2, 2), + RK3368_CPUCLKB_RATE( 312000000, 2, 2, 2), +}; + +static struct rockchip_cpuclk_rate_table rk3368_cpuclkl_rates[] __initdata = { + RK3368_CPUCLKL_RATE(1512000000, 2, 7, 7), + RK3368_CPUCLKL_RATE(1488000000, 2, 6, 6), + RK3368_CPUCLKL_RATE(1416000000, 2, 6, 6), + RK3368_CPUCLKL_RATE(1200000000, 2, 5, 5), + RK3368_CPUCLKL_RATE(1008000000, 2, 5, 5), + RK3368_CPUCLKL_RATE( 816000000, 2, 4, 4), + RK3368_CPUCLKL_RATE( 696000000, 2, 3, 3), + RK3368_CPUCLKL_RATE( 600000000, 2, 3, 3), + RK3368_CPUCLKL_RATE( 408000000, 2, 2, 2), + RK3368_CPUCLKL_RATE( 312000000, 2, 2, 2), +}; + +static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = { + /* + * Clock-Architecture Diagram 2 + */ + + MUX(SCLK_USBPHY480M, "usbphy_480m", mux_usbphy480m_p, CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(13), 8, 1, MFLAGS), + + GATE(0, "apllb_core", "apllb", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(0), 0, GFLAGS), + GATE(0, "gpllb_core", "gpll", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(0), 1, GFLAGS), + + GATE(0, "aplll_core", "aplll", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(0), 4, GFLAGS), + GATE(0, "gplll_core", "gpll", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(0), 5, GFLAGS), + + DIV(0, "aclkm_core_b", "armclkb", 0, + RK3368_CLKSEL_CON(0), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY), + DIV(0, "atclk_core_b", "armclkb", 0, + RK3368_CLKSEL_CON(1), 0, 5, DFLAGS | CLK_DIVIDER_READ_ONLY), + DIV(0, "pclk_dbg_b", "armclkb", 0, + RK3368_CLKSEL_CON(1), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY), + + DIV(0, "aclkm_core_l", "armclkl", 0, + RK3368_CLKSEL_CON(2), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY), + DIV(0, "atclk_core_l", "armclkl", 0, + RK3368_CLKSEL_CON(3), 0, 5, DFLAGS | CLK_DIVIDER_READ_ONLY), + DIV(0, "pclk_dbg_l", "armclkl", 0, + RK3368_CLKSEL_CON(3), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY), + + GATE(0, "apllb_cs", "apllb", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(0), 9, GFLAGS), + GATE(0, "aplll_cs", "aplll", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(0), 10, GFLAGS), + GATE(0, "gpll_cs", "gpll", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(0), 8, GFLAGS), + COMPOSITE_NOGATE(0, "sclk_cs_pre", mux_cs_src_p, CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(4), 6, 2, MFLAGS, 0, 5, DFLAGS), + COMPOSITE_NOMUX(0, "clkin_trace", "sclk_cs_pre", CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(4), 8, 5, DFLAGS, + RK3368_CLKGATE_CON(0), 13, GFLAGS), + + COMPOSITE(0, "aclk_cci_pre", mux_pll_src_cpll_gpll_usb_npll_p, CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(5), 6, 2, MFLAGS, 0, 7, DFLAGS, + RK3368_CLKGATE_CON(0), 12, GFLAGS), + GATE(SCLK_PVTM_CORE, "sclk_pvtm_core", "xin24m", 0, RK3368_CLKGATE_CON(7), 10, GFLAGS), + + GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(1), 8, GFLAGS), + GATE(0, "gpll_ddr", "gpll", 0, + RK3368_CLKGATE_CON(1), 9, GFLAGS), + COMPOSITE_NOGATE_DIVTBL(0, "ddrphy_src", mux_ddrphy_p, CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(13), 4, 1, MFLAGS, 0, 2, DFLAGS, div_ddrphy_t), + + GATE(0, "sclk_ddr", "ddrphy_div4", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(6), 14, GFLAGS), + GATE(0, "sclk_ddr4x", "ddrphy_src", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(6), 15, GFLAGS), + + GATE(0, "gpll_aclk_bus", "gpll", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(1), 10, GFLAGS), + GATE(0, "cpll_aclk_bus", "cpll", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(1), 11, GFLAGS), + COMPOSITE_NOGATE(0, "aclk_bus_src", mux_aclk_bus_src_p, CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(8), 7, 1, MFLAGS, 0, 5, DFLAGS), + + GATE(ACLK_BUS, "aclk_bus", "aclk_bus_src", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(1), 0, GFLAGS), + COMPOSITE_NOMUX(PCLK_BUS, "pclk_bus", "aclk_bus_src", CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(8), 12, 3, DFLAGS, + RK3368_CLKGATE_CON(1), 2, GFLAGS), + COMPOSITE_NOMUX(HCLK_BUS, "hclk_bus", "aclk_bus_src", CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(8), 8, 2, DFLAGS, + RK3368_CLKGATE_CON(1), 1, GFLAGS), + COMPOSITE_NOMUX(0, "sclk_crypto", "aclk_bus_src", 0, + RK3368_CLKSEL_CON(10), 14, 2, DFLAGS, + RK3368_CLKGATE_CON(7), 2, GFLAGS), + + COMPOSITE(0, "fclk_mcu_src", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(12), 7, 1, MFLAGS, 0, 5, DFLAGS, + RK3368_CLKGATE_CON(1), 3, GFLAGS), + /* + * stclk_mcu is listed as child of fclk_mcu_src in diagram 5, + * but stclk_mcu has an additional own divider in diagram 2 + */ + COMPOSITE_NOMUX(0, "stclk_mcu", "fclk_mcu_src", 0, + RK3368_CLKSEL_CON(12), 8, 3, DFLAGS, + RK3368_CLKGATE_CON(13), 13, GFLAGS), + + COMPOSITE(0, "i2s_8ch_src", mux_pll_src_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(27), 12, 1, MFLAGS, 0, 7, DFLAGS, + RK3368_CLKGATE_CON(6), 1, GFLAGS), + COMPOSITE_FRAC(0, "i2s_8ch_frac", "i2s_8ch_src", CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(28), 0, + RK3368_CLKGATE_CON(6), 2, GFLAGS), + MUX(0, "i2s_8ch_pre", mux_i2s_8ch_pre_p, CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(27), 8, 2, MFLAGS), + COMPOSITE_NODIV(SCLK_I2S_8CH_OUT, "i2s_8ch_clkout", mux_i2s_8ch_clkout_p, 0, + RK3368_CLKSEL_CON(27), 15, 1, MFLAGS, + RK3368_CLKGATE_CON(6), 0, GFLAGS), + GATE(SCLK_I2S_8CH, "sclk_i2s_8ch", "i2s_8ch_pre", CLK_SET_RATE_PARENT, + RK3368_CLKGATE_CON(6), 3, GFLAGS), + COMPOSITE(0, "spdif_8ch_src", mux_pll_src_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(31), 12, 1, MFLAGS, 0, 7, DFLAGS, + RK3368_CLKGATE_CON(6), 4, GFLAGS), + COMPOSITE_FRAC(0, "spdif_8ch_frac", "spdif_8ch_src", CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(32), 0, + RK3368_CLKGATE_CON(6), 5, GFLAGS), + COMPOSITE_NODIV(SCLK_SPDIF_8CH, "sclk_spdif_8ch", mux_spdif_8ch_p, 0, + RK3368_CLKSEL_CON(31), 8, 2, MFLAGS, + RK3368_CLKGATE_CON(6), 6, GFLAGS), + COMPOSITE(0, "i2s_2ch_src", mux_pll_src_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(53), 12, 1, MFLAGS, 0, 7, DFLAGS, + RK3368_CLKGATE_CON(5), 13, GFLAGS), + COMPOSITE_FRAC(0, "i2s_2ch_frac", "i2s_2ch_src", CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(54), 0, + RK3368_CLKGATE_CON(5), 14, GFLAGS), + COMPOSITE_NODIV(SCLK_I2S_2CH, "sclk_i2s_2ch", mux_i2s_2ch_p, 0, + RK3368_CLKSEL_CON(53), 8, 2, MFLAGS, + RK3368_CLKGATE_CON(5), 15, GFLAGS), + + COMPOSITE(0, "sclk_tsp", mux_pll_src_cpll_gpll_npll_p, 0, + RK3368_CLKSEL_CON(46), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3368_CLKGATE_CON(6), 12, GFLAGS), + GATE(0, "sclk_hsadc_tsp", "ext_hsadc_tsp", 0, + RK3368_CLKGATE_CON(13), 7, GFLAGS), + + MUX(0, "uart_src", mux_pll_src_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(35), 12, 1, MFLAGS), + COMPOSITE_NOMUX(0, "uart2_src", "uart_src", 0, + RK3368_CLKSEL_CON(37), 0, 7, DFLAGS, + RK3368_CLKGATE_CON(2), 4, GFLAGS), + MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(37), 8, 1, MFLAGS), + + /* + * Clock-Architecture Diagram 3 + */ + + COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_usb_p, 0, + RK3368_CLKSEL_CON(15), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3368_CLKGATE_CON(4), 6, GFLAGS), + COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_usb_p, 0, + RK3368_CLKSEL_CON(15), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3368_CLKGATE_CON(4), 7, GFLAGS), + + /* + * We introduce a virtual node of hclk_vodec_pre_v to split one clock + * struct with a gate and a fix divider into two node in software. + */ + GATE(0, "hclk_video_pre_v", "aclk_vdpu", 0, + RK3368_CLKGATE_CON(4), 8, GFLAGS), + + COMPOSITE(0, "sclk_hevc_cabac_src", mux_pll_src_cpll_gpll_npll_usb_p, 0, + RK3368_CLKSEL_CON(17), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3368_CLKGATE_CON(5), 1, GFLAGS), + COMPOSITE(0, "sclk_hevc_core_src", mux_pll_src_cpll_gpll_npll_usb_p, 0, + RK3368_CLKSEL_CON(17), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3368_CLKGATE_CON(5), 2, GFLAGS), + + COMPOSITE(0, "aclk_vio0", mux_pll_src_cpll_gpll_usb_p, CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(19), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3368_CLKGATE_CON(4), 0, GFLAGS), + DIV(0, "hclk_vio", "aclk_vio0", 0, + RK3368_CLKSEL_CON(21), 0, 5, DFLAGS), + + COMPOSITE(0, "aclk_rga_pre", mux_pll_src_cpll_gpll_usb_p, 0, + RK3368_CLKSEL_CON(18), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3368_CLKGATE_CON(4), 3, GFLAGS), + COMPOSITE(SCLK_RGA, "sclk_rga", mux_pll_src_cpll_gpll_usb_p, 0, + RK3368_CLKSEL_CON(18), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3368_CLKGATE_CON(4), 4, GFLAGS), + + COMPOSITE(DCLK_VOP, "dclk_vop", mux_pll_src_cpll_gpll_npll_p, 0, + RK3368_CLKSEL_CON(20), 8, 2, MFLAGS, 0, 8, DFLAGS, + RK3368_CLKGATE_CON(4), 1, GFLAGS), + + GATE(SCLK_VOP0_PWM, "sclk_vop0_pwm", "xin24m", 0, + RK3368_CLKGATE_CON(4), 2, GFLAGS), + + COMPOSITE(SCLK_ISP, "sclk_isp", mux_pll_src_cpll_gpll_npll_npll_p, 0, + RK3368_CLKSEL_CON(22), 6, 2, MFLAGS, 0, 6, DFLAGS, + RK3368_CLKGATE_CON(4), 9, GFLAGS), + + GATE(0, "pclk_isp_in", "ext_isp", 0, + RK3368_CLKGATE_CON(17), 2, GFLAGS), + INVERTER(PCLK_ISP, "pclk_isp", "pclk_isp_in", + RK3368_CLKSEL_CON(21), 6, IFLAGS), + + GATE(0, "pclk_vip_in", "ext_vip", 0, + RK3368_CLKGATE_CON(16), 13, GFLAGS), + INVERTER(PCLK_VIP, "pclk_vip", "pclk_vip_in", + RK3368_CLKSEL_CON(21), 13, IFLAGS), + + GATE(SCLK_HDMI_HDCP, "sclk_hdmi_hdcp", "xin24m", 0, + RK3368_CLKGATE_CON(4), 13, GFLAGS), + GATE(SCLK_HDMI_CEC, "sclk_hdmi_cec", "xin32k", 0, + RK3368_CLKGATE_CON(5), 12, GFLAGS), + + COMPOSITE_NODIV(0, "vip_src", mux_pll_src_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(21), 15, 1, MFLAGS, + RK3368_CLKGATE_CON(4), 5, GFLAGS), + COMPOSITE_NOGATE(0, "sclk_vip_out", mux_vip_out_p, 0, + RK3368_CLKSEL_CON(21), 14, 1, MFLAGS, 8, 5, DFLAGS), + + COMPOSITE_NODIV(SCLK_EDP_24M, "sclk_edp_24m", mux_edp_24m_p, 0, + RK3368_CLKSEL_CON(23), 8, 1, MFLAGS, + RK3368_CLKGATE_CON(5), 4, GFLAGS), + COMPOSITE(SCLK_EDP, "sclk_edp", mux_pll_src_cpll_gpll_npll_npll_p, 0, + RK3368_CLKSEL_CON(23), 6, 2, MFLAGS, 0, 6, DFLAGS, + RK3368_CLKGATE_CON(5), 3, GFLAGS), + + COMPOSITE(SCLK_HDCP, "sclk_hdcp", mux_pll_src_cpll_gpll_npll_npll_p, 0, + RK3368_CLKSEL_CON(55), 6, 2, MFLAGS, 0, 6, DFLAGS, + RK3368_CLKGATE_CON(5), 5, GFLAGS), + + DIV(0, "pclk_pd_alive", "gpll", 0, + RK3368_CLKSEL_CON(10), 8, 5, DFLAGS), + + /* sclk_timer has a gate in the sgrf */ + + COMPOSITE_NOMUX(0, "pclk_pd_pmu", "gpll", CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(10), 0, 5, DFLAGS, + RK3368_CLKGATE_CON(7), 9, GFLAGS), + GATE(SCLK_PVTM_PMU, "sclk_pvtm_pmu", "xin24m", 0, + RK3368_CLKGATE_CON(7), 3, GFLAGS), + COMPOSITE(0, "sclk_gpu_core_src", mux_pll_src_cpll_gpll_usb_npll_p, 0, + RK3368_CLKSEL_CON(14), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3368_CLKGATE_CON(4), 11, GFLAGS), + MUX(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(14), 14, 1, MFLAGS), + COMPOSITE_NOMUX(0, "aclk_gpu_mem_pre", "aclk_gpu_src", 0, + RK3368_CLKSEL_CON(14), 8, 5, DFLAGS, + RK3368_CLKGATE_CON(5), 8, GFLAGS), + COMPOSITE_NOMUX(0, "aclk_gpu_cfg_pre", "aclk_gpu_src", 0, + RK3368_CLKSEL_CON(16), 8, 5, DFLAGS, + RK3368_CLKGATE_CON(5), 9, GFLAGS), + GATE(SCLK_PVTM_GPU, "sclk_pvtm_gpu", "xin24m", 0, + RK3368_CLKGATE_CON(7), 11, GFLAGS), + + COMPOSITE(0, "aclk_peri_src", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(9), 7, 1, MFLAGS, 0, 5, DFLAGS, + RK3368_CLKGATE_CON(3), 0, GFLAGS), + COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0, + RK3368_CLKSEL_CON(9), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, + RK3368_CLKGATE_CON(3), 3, GFLAGS), + COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(9), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, + RK3368_CLKGATE_CON(3), 2, GFLAGS), + GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(3), 1, GFLAGS), + + GATE(0, "sclk_mipidsi_24m", "xin24m", 0, RK3368_CLKGATE_CON(4), 14, GFLAGS), + + /* + * Clock-Architecture Diagram 4 + */ + + COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(45), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3368_CLKGATE_CON(3), 7, GFLAGS), + COMPOSITE(SCLK_SPI1, "sclk_spi1", mux_pll_src_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(45), 15, 1, MFLAGS, 8, 7, DFLAGS, + RK3368_CLKGATE_CON(3), 8, GFLAGS), + COMPOSITE(SCLK_SPI2, "sclk_spi2", mux_pll_src_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(46), 15, 1, MFLAGS, 8, 7, DFLAGS, + RK3368_CLKGATE_CON(3), 9, GFLAGS), + + + COMPOSITE(SCLK_SDMMC, "sclk_sdmmc", mux_mmc_src_p, 0, + RK3368_CLKSEL_CON(50), 8, 2, MFLAGS, 0, 7, DFLAGS, + RK3368_CLKGATE_CON(7), 12, GFLAGS), + COMPOSITE(SCLK_SDIO0, "sclk_sdio0", mux_mmc_src_p, 0, + RK3368_CLKSEL_CON(48), 8, 2, MFLAGS, 0, 7, DFLAGS, + RK3368_CLKGATE_CON(7), 13, GFLAGS), + COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0, + RK3368_CLKSEL_CON(51), 8, 2, MFLAGS, 0, 7, DFLAGS, + RK3368_CLKGATE_CON(7), 15, GFLAGS), + + MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", RK3368_SDMMC_CON0, 1), + MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3368_SDMMC_CON1, 0), + + MMC(SCLK_SDIO0_DRV, "sdio0_drv", "sclk_sdio0", RK3368_SDIO0_CON0, 1), + MMC(SCLK_SDIO0_SAMPLE, "sdio0_sample", "sclk_sdio0", RK3368_SDIO0_CON1, 0), + + MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", RK3368_EMMC_CON0, 1), + MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK3368_EMMC_CON1, 0), + + GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin24m", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(8), 1, GFLAGS), + + /* pmu_grf_soc_con0[6] allows to select between xin32k and pvtm_pmu */ + GATE(SCLK_OTG_ADP, "sclk_otg_adp", "xin32k", CLK_IGNORE_UNUSED, + RK3368_CLKGATE_CON(8), 4, GFLAGS), + + /* pmu_grf_soc_con0[6] allows to select between xin32k and pvtm_pmu */ + COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin32k", 0, + RK3368_CLKSEL_CON(25), 0, 6, DFLAGS, + RK3368_CLKGATE_CON(3), 5, GFLAGS), + + COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0, + RK3368_CLKSEL_CON(25), 8, 8, DFLAGS, + RK3368_CLKGATE_CON(3), 6, GFLAGS), + + COMPOSITE(SCLK_NANDC0, "sclk_nandc0", mux_pll_src_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(47), 7, 1, MFLAGS, 0, 5, DFLAGS, + RK3368_CLKGATE_CON(7), 8, GFLAGS), + + COMPOSITE(SCLK_SFC, "sclk_sfc", mux_pll_src_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(52), 7, 1, MFLAGS, 0, 5, DFLAGS, + RK3368_CLKGATE_CON(6), 7, GFLAGS), + + COMPOSITE(0, "uart0_src", mux_pll_src_cpll_gpll_usb_usb_p, 0, + RK3368_CLKSEL_CON(33), 12, 2, MFLAGS, 0, 7, DFLAGS, + RK3368_CLKGATE_CON(2), 0, GFLAGS), + COMPOSITE_FRAC(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(34), 0, + RK3368_CLKGATE_CON(2), 1, GFLAGS), + MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(33), 8, 2, MFLAGS), + + COMPOSITE_NOMUX(0, "uart1_src", "uart_src", 0, + RK3368_CLKSEL_CON(35), 0, 7, DFLAGS, + RK3368_CLKGATE_CON(2), 2, GFLAGS), + COMPOSITE_FRAC(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(36), 0, + RK3368_CLKGATE_CON(2), 3, GFLAGS), + MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(35), 8, 2, MFLAGS), + + COMPOSITE_NOMUX(0, "uart3_src", "uart_src", 0, + RK3368_CLKSEL_CON(39), 0, 7, DFLAGS, + RK3368_CLKGATE_CON(2), 6, GFLAGS), + COMPOSITE_FRAC(0, "uart3_frac", "uart3_src", CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(40), 0, + RK3368_CLKGATE_CON(2), 7, GFLAGS), + MUX(SCLK_UART3, "sclk_uart3", mux_uart3_p, CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(39), 8, 2, MFLAGS), + + COMPOSITE_NOMUX(0, "uart4_src", "uart_src", 0, + RK3368_CLKSEL_CON(41), 0, 7, DFLAGS, + RK3368_CLKGATE_CON(2), 8, GFLAGS), + COMPOSITE_FRAC(0, "uart4_frac", "uart4_src", CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(42), 0, + RK3368_CLKGATE_CON(2), 9, GFLAGS), + MUX(SCLK_UART4, "sclk_uart4", mux_uart4_p, CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(41), 8, 2, MFLAGS), + + COMPOSITE(0, "mac_pll_src", mux_pll_src_npll_cpll_gpll_p, 0, + RK3368_CLKSEL_CON(43), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3368_CLKGATE_CON(3), 4, GFLAGS), + MUX(SCLK_MAC, "mac_clk", mux_mac_p, CLK_SET_RATE_PARENT, + RK3368_CLKSEL_CON(43), 8, 1, MFLAGS), + GATE(SCLK_MACREF_OUT, "sclk_macref_out", "mac_clk", 0, + RK3368_CLKGATE_CON(7), 7, GFLAGS), + GATE(SCLK_MACREF, "sclk_macref", "mac_clk", 0, + RK3368_CLKGATE_CON(7), 6, GFLAGS), + GATE(SCLK_MAC_RX, "sclk_mac_rx", "mac_clk", 0, + RK3368_CLKGATE_CON(7), 4, GFLAGS), + GATE(SCLK_MAC_TX, "sclk_mac_tx", "mac_clk", 0, + RK3368_CLKGATE_CON(7), 5, GFLAGS), + + GATE(0, "jtag", "ext_jtag", 0, + RK3368_CLKGATE_CON(7), 0, GFLAGS), + + COMPOSITE_NODIV(0, "hsic_usbphy_480m", mux_hsic_usbphy480m_p, 0, + RK3368_CLKSEL_CON(26), 8, 2, MFLAGS, + RK3368_CLKGATE_CON(8), 0, GFLAGS), + COMPOSITE_NODIV(SCLK_HSICPHY480M, "sclk_hsicphy480m", mux_hsicphy480m_p, 0, + RK3368_CLKSEL_CON(26), 12, 2, MFLAGS, + RK3368_CLKGATE_CON(8), 7, GFLAGS), + GATE(SCLK_HSICPHY12M, "sclk_hsicphy12m", "xin12m", 0, + RK3368_CLKGATE_CON(8), 6, GFLAGS), + + /* + * Clock-Architecture Diagram 5 + */ + + /* aclk_cci_pre gates */ + GATE(0, "aclk_core_niu_cpup", "aclk_cci_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 4, GFLAGS), + GATE(0, "aclk_core_niu_cci", "aclk_cci_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 3, GFLAGS), + GATE(0, "aclk_cci400", "aclk_cci_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 2, GFLAGS), + GATE(0, "aclk_adb400m_pd_core_b", "aclk_cci_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 1, GFLAGS), + GATE(0, "aclk_adb400m_pd_core_l", "aclk_cci_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 0, GFLAGS), + + /* aclkm_core_* gates */ + GATE(0, "aclk_adb400s_pd_core_b", "aclkm_core_b", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(10), 0, GFLAGS), + GATE(0, "aclk_adb400s_pd_core_l", "aclkm_core_l", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(9), 0, GFLAGS), + + /* armclk* gates */ + GATE(0, "sclk_dbg_pd_core_b", "armclkb", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(10), 1, GFLAGS), + GATE(0, "sclk_dbg_pd_core_l", "armclkl", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(9), 1, GFLAGS), + + /* sclk_cs_pre gates */ + GATE(0, "sclk_dbg", "sclk_cs_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 7, GFLAGS), + GATE(0, "pclk_core_niu_sdbg", "sclk_cs_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 6, GFLAGS), + GATE(0, "hclk_core_niu_dbg", "sclk_cs_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 5, GFLAGS), + + /* aclk_bus gates */ + GATE(0, "aclk_strc_sys", "aclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 12, GFLAGS), + GATE(ACLK_DMAC_BUS, "aclk_dmac_bus", "aclk_bus", 0, RK3368_CLKGATE_CON(12), 11, GFLAGS), + GATE(0, "sclk_intmem1", "aclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 6, GFLAGS), + GATE(0, "sclk_intmem0", "aclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 5, GFLAGS), + GATE(0, "aclk_intmem", "aclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 4, GFLAGS), + GATE(0, "aclk_gic400", "aclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(13), 9, GFLAGS), + + /* sclk_ddr gates */ + GATE(0, "nclk_ddrupctl", "sclk_ddr", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(13), 2, GFLAGS), + + /* clk_hsadc_tsp is part of diagram2 */ + + /* fclk_mcu_src gates */ + GATE(0, "hclk_noc_mcu", "fclk_mcu_src", 0, RK3368_CLKGATE_CON(13), 14, GFLAGS), + GATE(0, "fclk_mcu", "fclk_mcu_src", 0, RK3368_CLKGATE_CON(13), 12, GFLAGS), + GATE(0, "hclk_mcu", "fclk_mcu_src", 0, RK3368_CLKGATE_CON(13), 11, GFLAGS), + + /* hclk_cpu gates */ + GATE(HCLK_SPDIF, "hclk_spdif", "hclk_bus", 0, RK3368_CLKGATE_CON(12), 10, GFLAGS), + GATE(HCLK_ROM, "hclk_rom", "hclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 9, GFLAGS), + GATE(HCLK_I2S_2CH, "hclk_i2s_2ch", "hclk_bus", 0, RK3368_CLKGATE_CON(12), 8, GFLAGS), + GATE(HCLK_I2S_8CH, "hclk_i2s_8ch", "hclk_bus", 0, RK3368_CLKGATE_CON(12), 7, GFLAGS), + GATE(HCLK_TSP, "hclk_tsp", "hclk_bus", 0, RK3368_CLKGATE_CON(13), 10, GFLAGS), + GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_bus", 0, RK3368_CLKGATE_CON(13), 4, GFLAGS), + GATE(MCLK_CRYPTO, "mclk_crypto", "hclk_bus", 0, RK3368_CLKGATE_CON(13), 3, GFLAGS), + + /* pclk_cpu gates */ + GATE(PCLK_DDRPHY, "pclk_ddrphy", "pclk_bus", 0, RK3368_CLKGATE_CON(12), 14, GFLAGS), + GATE(PCLK_DDRUPCTL, "pclk_ddrupctl", "pclk_bus", 0, RK3368_CLKGATE_CON(12), 13, GFLAGS), + GATE(PCLK_I2C1, "pclk_i2c1", "pclk_bus", 0, RK3368_CLKGATE_CON(12), 3, GFLAGS), + GATE(PCLK_I2C0, "pclk_i2c0", "pclk_bus", 0, RK3368_CLKGATE_CON(12), 2, GFLAGS), + GATE(PCLK_MAILBOX, "pclk_mailbox", "pclk_bus", 0, RK3368_CLKGATE_CON(12), 1, GFLAGS), + GATE(PCLK_PWM0, "pclk_pwm0", "pclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 0, GFLAGS), + GATE(PCLK_SIM, "pclk_sim", "pclk_bus", 0, RK3368_CLKGATE_CON(13), 8, GFLAGS), + GATE(PCLK_PWM1, "pclk_pwm1", "pclk_bus", 0, RK3368_CLKGATE_CON(13), 6, GFLAGS), + GATE(PCLK_UART2, "pclk_uart2", "pclk_bus", 0, RK3368_CLKGATE_CON(13), 5, GFLAGS), + GATE(0, "pclk_efuse_256", "pclk_bus", 0, RK3368_CLKGATE_CON(13), 1, GFLAGS), + GATE(0, "pclk_efuse_1024", "pclk_bus", 0, RK3368_CLKGATE_CON(13), 0, GFLAGS), + + /* + * video clk gates + * aclk_video(_pre) can actually select between parents of aclk_vdpu + * and aclk_vepu by setting bit GRF_SOC_CON0[7]. + */ + GATE(ACLK_VIDEO, "aclk_video", "aclk_vdpu", 0, RK3368_CLKGATE_CON(15), 0, GFLAGS), + GATE(SCLK_HEVC_CABAC, "sclk_hevc_cabac", "sclk_hevc_cabac_src", 0, RK3368_CLKGATE_CON(15), 3, GFLAGS), + GATE(SCLK_HEVC_CORE, "sclk_hevc_core", "sclk_hevc_core_src", 0, RK3368_CLKGATE_CON(15), 2, GFLAGS), + GATE(HCLK_VIDEO, "hclk_video", "hclk_video_pre", 0, RK3368_CLKGATE_CON(15), 1, GFLAGS), + + /* aclk_rga_pre gates */ + GATE(ACLK_VIO1_NOC, "aclk_vio1_noc", "aclk_rga_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(16), 10, GFLAGS), + GATE(ACLK_RGA, "aclk_rga", "aclk_rga_pre", 0, RK3368_CLKGATE_CON(16), 0, GFLAGS), + GATE(ACLK_HDCP, "aclk_hdcp", "aclk_rga_pre", 0, RK3368_CLKGATE_CON(17), 10, GFLAGS), + + /* aclk_vio0 gates */ + GATE(ACLK_VIP, "aclk_vip", "aclk_vio0", 0, RK3368_CLKGATE_CON(16), 11, GFLAGS), + GATE(ACLK_VIO0_NOC, "aclk_vio0_noc", "aclk_vio0", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(16), 9, GFLAGS), + GATE(ACLK_VOP, "aclk_vop", "aclk_vio0", 0, RK3368_CLKGATE_CON(16), 5, GFLAGS), + GATE(ACLK_VOP_IEP, "aclk_vop_iep", "aclk_vio0", 0, RK3368_CLKGATE_CON(16), 4, GFLAGS), + GATE(ACLK_IEP, "aclk_iep", "aclk_vio0", 0, RK3368_CLKGATE_CON(16), 2, GFLAGS), + + /* sclk_isp gates */ + GATE(HCLK_ISP, "hclk_isp", "sclk_isp", 0, RK3368_CLKGATE_CON(16), 14, GFLAGS), + GATE(ACLK_ISP, "aclk_isp", "sclk_isp", 0, RK3368_CLKGATE_CON(17), 0, GFLAGS), + + /* hclk_vio gates */ + GATE(HCLK_VIP, "hclk_vip", "hclk_vio", 0, RK3368_CLKGATE_CON(16), 12, GFLAGS), + GATE(HCLK_VIO_NOC, "hclk_vio_noc", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(16), 8, GFLAGS), + GATE(HCLK_VIO_AHB_ARBI, "hclk_vio_ahb_arbi", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(16), 7, GFLAGS), + GATE(HCLK_VOP, "hclk_vop", "hclk_vio", 0, RK3368_CLKGATE_CON(16), 6, GFLAGS), + GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK3368_CLKGATE_CON(16), 3, GFLAGS), + GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK3368_CLKGATE_CON(16), 1, GFLAGS), + GATE(HCLK_VIO_HDCPMMU, "hclk_hdcpmmu", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 12, GFLAGS), + GATE(HCLK_VIO_H2P, "hclk_vio_h2p", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 7, GFLAGS), + + /* + * pclk_vio gates + * pclk_vio comes from the exactly same source as hclk_vio + */ + GATE(PCLK_HDCP, "pclk_hdcp", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 11, GFLAGS), + GATE(PCLK_EDP_CTRL, "pclk_edp_ctrl", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 9, GFLAGS), + GATE(PCLK_VIO_H2P, "pclk_vio_h2p", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 8, GFLAGS), + GATE(PCLK_HDMI_CTRL, "pclk_hdmi_ctrl", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 6, GFLAGS), + GATE(PCLK_MIPI_CSI, "pclk_mipi_csi", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 4, GFLAGS), + GATE(PCLK_MIPI_DSI0, "pclk_mipi_dsi0", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 3, GFLAGS), + + /* ext_vip gates in diagram3 */ + + /* gpu gates */ + GATE(SCLK_GPU_CORE, "sclk_gpu_core", "sclk_gpu_core_src", 0, RK3368_CLKGATE_CON(18), 2, GFLAGS), + GATE(ACLK_GPU_MEM, "aclk_gpu_mem", "aclk_gpu_mem_pre", 0, RK3368_CLKGATE_CON(18), 1, GFLAGS), + GATE(ACLK_GPU_CFG, "aclk_gpu_cfg", "aclk_gpu_cfg_pre", 0, RK3368_CLKGATE_CON(18), 0, GFLAGS), + + /* aclk_peri gates */ + GATE(ACLK_DMAC_PERI, "aclk_dmac_peri", "aclk_peri", 0, RK3368_CLKGATE_CON(19), 3, GFLAGS), + GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(19), 2, GFLAGS), + GATE(HCLK_SFC, "hclk_sfc", "aclk_peri", 0, RK3368_CLKGATE_CON(20), 15, GFLAGS), + GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK3368_CLKGATE_CON(20), 13, GFLAGS), + GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 8, GFLAGS), + GATE(ACLK_PERI_MMU, "aclk_peri_mmu", "aclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(21), 4, GFLAGS), + + /* hclk_peri gates */ + GATE(0, "hclk_peri_axi_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(19), 0, GFLAGS), + GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK3368_CLKGATE_CON(20), 11, GFLAGS), + GATE(0, "hclk_mmc_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 10, GFLAGS), + GATE(0, "hclk_emem_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 9, GFLAGS), + GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 7, GFLAGS), + GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 6, GFLAGS), + GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK3368_CLKGATE_CON(20), 5, GFLAGS), + GATE(HCLK_HOST1, "hclk_host1", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 4, GFLAGS), + GATE(HCLK_HOST0, "hclk_host0", "hclk_peri", 0, RK3368_CLKGATE_CON(20), 3, GFLAGS), + GATE(0, "pmu_hclk_otg0", "hclk_peri", 0, RK3368_CLKGATE_CON(20), 2, GFLAGS), + GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 1, GFLAGS), + GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK3368_CLKGATE_CON(21), 3, GFLAGS), + GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK3368_CLKGATE_CON(21), 2, GFLAGS), + GATE(HCLK_SDIO0, "hclk_sdio0", "hclk_peri", 0, RK3368_CLKGATE_CON(21), 1, GFLAGS), + GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK3368_CLKGATE_CON(21), 0, GFLAGS), + + /* pclk_peri gates */ + GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 15, GFLAGS), + GATE(PCLK_I2C5, "pclk_i2c5", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 14, GFLAGS), + GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 13, GFLAGS), + GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 12, GFLAGS), + GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 11, GFLAGS), + GATE(PCLK_UART4, "pclk_uart4", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 10, GFLAGS), + GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 9, GFLAGS), + GATE(PCLK_UART1, "pclk_uart1", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 8, GFLAGS), + GATE(PCLK_UART0, "pclk_uart0", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 7, GFLAGS), + GATE(PCLK_SPI2, "pclk_spi2", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 6, GFLAGS), + GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 5, GFLAGS), + GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 4, GFLAGS), + GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(19), 1, GFLAGS), + GATE(PCLK_GMAC, "pclk_gmac", "pclk_peri", 0, RK3368_CLKGATE_CON(20), 14, GFLAGS), + GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK3368_CLKGATE_CON(20), 0, GFLAGS), + + /* pclk_pd_alive gates */ + GATE(PCLK_TIMER1, "pclk_timer1", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(14), 8, GFLAGS), + GATE(PCLK_TIMER0, "pclk_timer0", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(14), 7, GFLAGS), + GATE(0, "pclk_alive_niu", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(14), 12, GFLAGS), + GATE(PCLK_GRF, "pclk_grf", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(14), 11, GFLAGS), + GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(14), 3, GFLAGS), + GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(14), 2, GFLAGS), + GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(14), 1, GFLAGS), + + /* + * pclk_vio gates + * pclk_vio comes from the exactly same source as hclk_vio + */ + GATE(0, "pclk_dphyrx", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(14), 8, GFLAGS), + GATE(0, "pclk_dphytx", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(14), 8, GFLAGS), + + /* pclk_pd_pmu gates */ + GATE(PCLK_PMUGRF, "pclk_pmugrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 0, GFLAGS), + GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_pd_pmu", 0, RK3368_CLKGATE_CON(17), 4, GFLAGS), + GATE(PCLK_SGRF, "pclk_sgrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 3, GFLAGS), + GATE(0, "pclk_pmu_noc", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 2, GFLAGS), + GATE(0, "pclk_intmem1", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 1, GFLAGS), + GATE(PCLK_PMU, "pclk_pmu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 2, GFLAGS), + + /* timer gates */ + GATE(0, "sclk_timer15", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 11, GFLAGS), + GATE(0, "sclk_timer14", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 10, GFLAGS), + GATE(0, "sclk_timer13", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 9, GFLAGS), + GATE(0, "sclk_timer12", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 8, GFLAGS), + GATE(0, "sclk_timer11", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 7, GFLAGS), + GATE(0, "sclk_timer10", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 6, GFLAGS), + GATE(0, "sclk_timer05", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 5, GFLAGS), + GATE(0, "sclk_timer04", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 4, GFLAGS), + GATE(0, "sclk_timer03", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 3, GFLAGS), + GATE(0, "sclk_timer02", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 2, GFLAGS), + GATE(0, "sclk_timer01", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 1, GFLAGS), + GATE(0, "sclk_timer00", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 0, GFLAGS), +}; + +static void __init rk3368_clk_init(struct device_node *np) +{ + void __iomem *reg_base; + struct clk *clk; + + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: could not map cru region\n", __func__); + return; + } + + rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + + /* xin12m is created by a cru-internal divider */ + clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock xin12m: %ld\n", + __func__, PTR_ERR(clk)); + + /* ddrphy_div4 is created by a cru-internal divider */ + clk = clk_register_fixed_factor(NULL, "ddrphy_div4", "ddrphy_src", 0, 1, 4); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock xin12m: %ld\n", + __func__, PTR_ERR(clk)); + + clk = clk_register_fixed_factor(NULL, "hclk_video_pre", + "hclk_video_pre_v", 0, 1, 4); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock hclk_vcodec_pre: %ld\n", + __func__, PTR_ERR(clk)); + + /* Watchdog pclk is controlled by sgrf_soc_con3[7]. */ + clk = clk_register_fixed_factor(NULL, "pclk_wdt", "pclk_pd_alive", 0, 1, 1); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock pclk_wdt: %ld\n", + __func__, PTR_ERR(clk)); + else + rockchip_clk_add_lookup(clk, PCLK_WDT); + + rockchip_clk_register_plls(rk3368_pll_clks, + ARRAY_SIZE(rk3368_pll_clks), + RK3368_GRF_SOC_STATUS0); + rockchip_clk_register_branches(rk3368_clk_branches, + ARRAY_SIZE(rk3368_clk_branches)); + + rockchip_clk_register_armclk(ARMCLKB, "armclkb", + mux_armclkb_p, ARRAY_SIZE(mux_armclkb_p), + &rk3368_cpuclkb_data, rk3368_cpuclkb_rates, + ARRAY_SIZE(rk3368_cpuclkb_rates)); + + rockchip_clk_register_armclk(ARMCLKL, "armclkl", + mux_armclkl_p, ARRAY_SIZE(mux_armclkl_p), + &rk3368_cpuclkl_data, rk3368_cpuclkl_rates, + ARRAY_SIZE(rk3368_cpuclkl_rates)); + + rockchip_register_softrst(np, 15, reg_base + RK3368_SOFTRST_CON(0), + ROCKCHIP_SOFTRST_HIWORD_MASK); + + rockchip_register_restart_notifier(RK3368_GLB_SRST_FST); +} +CLK_OF_DECLARE(rk3368_cru, "rockchip,rk3368-cru", rk3368_clk_init); diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index 052b94db0ff9..24938815655f 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -277,6 +277,13 @@ void __init rockchip_clk_register_branches( list->div_shift ); break; + case branch_inverter: + clk = rockchip_clk_register_inverter( + list->name, list->parent_names, + list->num_parents, + reg_base + list->muxdiv_offset, + list->div_shift, list->div_flags, &clk_lock); + break; } /* none of the cases above matched */ diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h index 6b092673048a..f506df85e543 100644 --- a/drivers/clk/rockchip/clk.h +++ b/drivers/clk/rockchip/clk.h @@ -31,22 +31,22 @@ ((val) << (shift) | (mask) << ((shift) + 16)) /* register positions shared by RK2928, RK3066 and RK3188 */ -#define RK2928_PLL_CON(x) (x * 0x4) +#define RK2928_PLL_CON(x) ((x) * 0x4) #define RK2928_MODE_CON 0x40 -#define RK2928_CLKSEL_CON(x) (x * 0x4 + 0x44) -#define RK2928_CLKGATE_CON(x) (x * 0x4 + 0xd0) +#define RK2928_CLKSEL_CON(x) ((x) * 0x4 + 0x44) +#define RK2928_CLKGATE_CON(x) ((x) * 0x4 + 0xd0) #define RK2928_GLB_SRST_FST 0x100 #define RK2928_GLB_SRST_SND 0x104 -#define RK2928_SOFTRST_CON(x) (x * 0x4 + 0x110) +#define RK2928_SOFTRST_CON(x) ((x) * 0x4 + 0x110) #define RK2928_MISC_CON 0x134 #define RK3288_PLL_CON(x) RK2928_PLL_CON(x) #define RK3288_MODE_CON 0x50 -#define RK3288_CLKSEL_CON(x) (x * 0x4 + 0x60) -#define RK3288_CLKGATE_CON(x) (x * 0x4 + 0x160) +#define RK3288_CLKSEL_CON(x) ((x) * 0x4 + 0x60) +#define RK3288_CLKGATE_CON(x) ((x) * 0x4 + 0x160) #define RK3288_GLB_SRST_FST 0x1b0 #define RK3288_GLB_SRST_SND 0x1b4 -#define RK3288_SOFTRST_CON(x) (x * 0x4 + 0x1b8) +#define RK3288_SOFTRST_CON(x) ((x) * 0x4 + 0x1b8) #define RK3288_MISC_CON 0x1e8 #define RK3288_SDMMC_CON0 0x200 #define RK3288_SDMMC_CON1 0x204 @@ -57,6 +57,22 @@ #define RK3288_EMMC_CON0 0x218 #define RK3288_EMMC_CON1 0x21c +#define RK3368_PLL_CON(x) RK2928_PLL_CON(x) +#define RK3368_CLKSEL_CON(x) ((x) * 0x4 + 0x100) +#define RK3368_CLKGATE_CON(x) ((x) * 0x4 + 0x200) +#define RK3368_GLB_SRST_FST 0x280 +#define RK3368_GLB_SRST_SND 0x284 +#define RK3368_SOFTRST_CON(x) ((x) * 0x4 + 0x300) +#define RK3368_MISC_CON 0x380 +#define RK3368_SDMMC_CON0 0x400 +#define RK3368_SDMMC_CON1 0x404 +#define RK3368_SDIO0_CON0 0x408 +#define RK3368_SDIO0_CON1 0x40c +#define RK3368_SDIO1_CON0 0x410 +#define RK3368_SDIO1_CON1 0x414 +#define RK3368_EMMC_CON0 0x418 +#define RK3368_EMMC_CON1 0x41c + enum rockchip_pll_type { pll_rk3066, }; @@ -67,7 +83,7 @@ enum rockchip_pll_type { .nr = _nr, \ .nf = _nf, \ .no = _no, \ - .bwadj = (_nf >> 1), \ + .bwadj = ((_nf) >> 1), \ } #define RK3066_PLL_RATE_BWADJ(_rate, _nr, _nf, _no, _bw) \ @@ -182,6 +198,13 @@ struct clk *rockchip_clk_register_mmc(const char *name, const char *const *parent_names, u8 num_parents, void __iomem *reg, int shift); +#define ROCKCHIP_INVERTER_HIWORD_MASK BIT(0) + +struct clk *rockchip_clk_register_inverter(const char *name, + const char *const *parent_names, u8 num_parents, + void __iomem *reg, int shift, int flags, + spinlock_t *lock); + #define PNAME(x) static const char *const x[] __initconst enum rockchip_clk_branch_type { @@ -191,6 +214,7 @@ enum rockchip_clk_branch_type { branch_fraction_divider, branch_gate, branch_mmc, + branch_inverter, }; struct rockchip_clk_branch { @@ -308,6 +332,26 @@ struct rockchip_clk_branch { .gate_offset = -1, \ } +#define COMPOSITE_NOGATE_DIVTBL(_id, cname, pnames, f, mo, ms, \ + mw, mf, ds, dw, df, dt) \ + { \ + .id = _id, \ + .branch_type = branch_composite, \ + .name = cname, \ + .parent_names = pnames, \ + .num_parents = ARRAY_SIZE(pnames), \ + .flags = f, \ + .muxdiv_offset = mo, \ + .mux_shift = ms, \ + .mux_width = mw, \ + .mux_flags = mf, \ + .div_shift = ds, \ + .div_width = dw, \ + .div_flags = df, \ + .div_table = dt, \ + .gate_offset = -1, \ + } + #define COMPOSITE_FRAC(_id, cname, pname, f, mo, df, go, gs, gf)\ { \ .id = _id, \ @@ -394,6 +438,18 @@ struct rockchip_clk_branch { .div_shift = shift, \ } +#define INVERTER(_id, cname, pname, io, is, if) \ + { \ + .id = _id, \ + .branch_type = branch_inverter, \ + .name = cname, \ + .parent_names = (const char *[]){ pname }, \ + .num_parents = 1, \ + .muxdiv_offset = io, \ + .div_shift = is, \ + .div_flags = if, \ + } + void rockchip_clk_init(struct device_node *np, void __iomem *base, unsigned long nr_clks); struct regmap *rockchip_clk_get_grf(void); diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c index 657ca14ba709..8dd8cce27361 100644 --- a/drivers/clk/st/clk-flexgen.c +++ b/drivers/clk/st/clk-flexgen.c @@ -190,7 +190,7 @@ static struct clk *clk_register_flexgen(const char *name, init.name = name; init.ops = &flexgen_ops; - init.flags = CLK_IS_BASIC | flexgen_flags; + init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE | flexgen_flags; init.parent_names = parent_names; init.num_parents = num_parents; @@ -303,6 +303,8 @@ static void __init st_of_flexgen_setup(struct device_node *np) if (!rlock) goto err; + spin_lock_init(rlock); + for (i = 0; i < clk_data->clk_num; i++) { struct clk *clk; const char *clk_name; diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c index e94197f04b0b..d9eb2e1d8471 100644 --- a/drivers/clk/st/clkgen-fsyn.c +++ b/drivers/clk/st/clkgen-fsyn.c @@ -340,7 +340,7 @@ static const struct clkgen_quadfs_data st_fs660c32_C_407 = { CLKGEN_FIELD(0x30c, 0xf, 20), CLKGEN_FIELD(0x310, 0xf, 20) }, .lockstatus_present = true, - .lock_status = CLKGEN_FIELD(0x2A0, 0x1, 24), + .lock_status = CLKGEN_FIELD(0x2f0, 0x1, 24), .powerup_polarity = 1, .standby_polarity = 1, .pll_ops = &st_quadfs_pll_c32_ops, @@ -489,7 +489,7 @@ static int quadfs_pll_is_enabled(struct clk_hw *hw) struct st_clk_quadfs_pll *pll = to_quadfs_pll(hw); u32 npda = CLKGEN_READ(pll, npda); - return !!npda; + return pll->data->powerup_polarity ? !npda : !!npda; } static int clk_fs660c32_vco_get_rate(unsigned long input, struct stm_fs *fs, @@ -635,7 +635,7 @@ static struct clk * __init st_clk_register_quadfs_pll( init.name = name; init.ops = quadfs->pll_ops; - init.flags = CLK_IS_BASIC; + init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE; init.parent_names = &parent_name; init.num_parents = 1; @@ -774,7 +774,7 @@ static void quadfs_fsynth_disable(struct clk_hw *hw) if (fs->lock) spin_lock_irqsave(fs->lock, flags); - CLKGEN_WRITE(fs, nsb[fs->chan], !fs->data->standby_polarity); + CLKGEN_WRITE(fs, nsb[fs->chan], fs->data->standby_polarity); if (fs->lock) spin_unlock_irqrestore(fs->lock, flags); @@ -1082,10 +1082,6 @@ static const struct of_device_id quadfs_of_match[] = { .compatible = "st,stih407-quadfs660-D", .data = &st_fs660c32_D_407 }, - { - .compatible = "st,stih407-quadfs660-D", - .data = (void *)&st_fs660c32_D_407 - }, {} }; diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c index 4fbe6e099587..ab9298395264 100644 --- a/drivers/clk/st/clkgen-mux.c +++ b/drivers/clk/st/clkgen-mux.c @@ -30,7 +30,7 @@ static const char ** __init clkgen_mux_get_parents(struct device_node *np, if (WARN_ON(nparents <= 0)) return ERR_PTR(-EINVAL); - parents = kzalloc(nparents * sizeof(const char *), GFP_KERNEL); + parents = kcalloc(nparents, sizeof(const char *), GFP_KERNEL); if (!parents) return ERR_PTR(-ENOMEM); @@ -215,7 +215,7 @@ static const struct clk_ops clkgena_divmux_ops = { /** * clk_register_genamux - register a genamux clock with the clock framework */ -static struct clk *clk_register_genamux(const char *name, +static struct clk * __init clk_register_genamux(const char *name, const char **parent_names, u8 num_parents, void __iomem *reg, const struct clkgena_divmux_data *muxdata, @@ -237,7 +237,7 @@ static struct clk *clk_register_genamux(const char *name, init.name = name; init.ops = &clkgena_divmux_ops; - init.flags = CLK_IS_BASIC; + init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE; init.parent_names = parent_names; init.num_parents = num_parents; @@ -369,11 +369,10 @@ static const struct of_device_id clkgena_divmux_of_match[] = { {} }; -static void __iomem * __init clkgen_get_register_base( - struct device_node *np) +static void __iomem * __init clkgen_get_register_base(struct device_node *np) { struct device_node *pnode; - void __iomem *reg = NULL; + void __iomem *reg; pnode = of_get_parent(np); if (!pnode) @@ -398,7 +397,7 @@ static void __init st_of_clkgena_divmux_setup(struct device_node *np) if (WARN_ON(!match)) return; - data = (struct clkgena_divmux_data *)match->data; + data = match->data; reg = clkgen_get_register_base(np); if (!reg) @@ -406,18 +405,18 @@ static void __init st_of_clkgena_divmux_setup(struct device_node *np) parents = clkgen_mux_get_parents(np, &num_parents); if (IS_ERR(parents)) - return; + goto err_parents; clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL); if (!clk_data) - goto err; + goto err_alloc; clk_data->clk_num = data->num_outputs; - clk_data->clks = kzalloc(clk_data->clk_num * sizeof(struct clk *), + clk_data->clks = kcalloc(clk_data->clk_num, sizeof(struct clk *), GFP_KERNEL); if (!clk_data->clks) - goto err; + goto err_alloc_clks; for (i = 0; i < clk_data->clk_num; i++) { struct clk *clk; @@ -447,11 +446,13 @@ static void __init st_of_clkgena_divmux_setup(struct device_node *np) of_clk_add_provider(np, of_clk_src_onecell_get, clk_data); return; err: - if (clk_data) - kfree(clk_data->clks); - + kfree(clk_data->clks); +err_alloc_clks: kfree(clk_data); +err_alloc: kfree(parents); +err_parents: + iounmap(reg); } CLK_OF_DECLARE(clkgenadivmux, "st,clkgena-divmux", st_of_clkgena_divmux_setup); @@ -491,7 +492,7 @@ static void __init st_of_clkgena_prediv_setup(struct device_node *np) void __iomem *reg; const char *parent_name, *clk_name; struct clk *clk; - struct clkgena_prediv_data *data; + const struct clkgena_prediv_data *data; match = of_match_node(clkgena_prediv_of_match, np); if (!match) { @@ -499,7 +500,7 @@ static void __init st_of_clkgena_prediv_setup(struct device_node *np) return; } - data = (struct clkgena_prediv_data *)match->data; + data = match->data; reg = clkgen_get_register_base(np); if (!reg) @@ -507,17 +508,18 @@ static void __init st_of_clkgena_prediv_setup(struct device_node *np) parent_name = of_clk_get_parent_name(np, 0); if (!parent_name) - return; + goto err; if (of_property_read_string_index(np, "clock-output-names", 0, &clk_name)) - return; + goto err; - clk = clk_register_divider_table(NULL, clk_name, parent_name, 0, + clk = clk_register_divider_table(NULL, clk_name, parent_name, + CLK_GET_RATE_NOCACHE, reg + data->offset, data->shift, 1, 0, data->table, NULL); if (IS_ERR(clk)) - return; + goto err; of_clk_add_provider(np, of_clk_src_simple_get, clk); pr_debug("%s: parent %s rate %u\n", @@ -526,6 +528,8 @@ static void __init st_of_clkgena_prediv_setup(struct device_node *np) (unsigned int)clk_get_rate(clk)); return; +err: + iounmap(reg); } CLK_OF_DECLARE(clkgenaprediv, "st,clkgena-prediv", st_of_clkgena_prediv_setup); @@ -582,7 +586,7 @@ static struct clkgen_mux_data stih416_a9_mux_data = { }; static struct clkgen_mux_data stih407_a9_mux_data = { .offset = 0x1a4, - .shift = 1, + .shift = 0, .width = 2, }; @@ -629,7 +633,7 @@ static void __init st_of_clkgen_mux_setup(struct device_node *np) void __iomem *reg; const char **parents; int num_parents; - struct clkgen_mux_data *data; + const struct clkgen_mux_data *data; match = of_match_node(mux_of_match, np); if (!match) { @@ -637,7 +641,7 @@ static void __init st_of_clkgen_mux_setup(struct device_node *np) return; } - data = (struct clkgen_mux_data *)match->data; + data = match->data; reg = of_iomap(np, 0); if (!reg) { @@ -649,7 +653,7 @@ static void __init st_of_clkgen_mux_setup(struct device_node *np) if (IS_ERR(parents)) { pr_err("%s: Failed to get parents (%ld)\n", __func__, PTR_ERR(parents)); - return; + goto err_parents; } clk = clk_register_mux(NULL, np->name, parents, num_parents, @@ -665,12 +669,14 @@ static void __init st_of_clkgen_mux_setup(struct device_node *np) __clk_get_name(clk_get_parent(clk)), (unsigned int)clk_get_rate(clk)); + kfree(parents); of_clk_add_provider(np, of_clk_src_simple_get, clk); + return; err: kfree(parents); - - return; +err_parents: + iounmap(reg); } CLK_OF_DECLARE(clkgen_mux, "st,clkgen-mux", st_of_clkgen_mux_setup); @@ -706,12 +712,12 @@ static void __init st_of_clkgen_vcc_setup(struct device_node *np) const char **parents; int num_parents, i; struct clk_onecell_data *clk_data; - struct clkgen_vcc_data *data; + const struct clkgen_vcc_data *data; match = of_match_node(vcc_of_match, np); if (WARN_ON(!match)) return; - data = (struct clkgen_vcc_data *)match->data; + data = match->data; reg = of_iomap(np, 0); if (!reg) @@ -719,18 +725,18 @@ static void __init st_of_clkgen_vcc_setup(struct device_node *np) parents = clkgen_mux_get_parents(np, &num_parents); if (IS_ERR(parents)) - return; + goto err_parents; clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL); if (!clk_data) - goto err; + goto err_alloc; clk_data->clk_num = VCC_MAX_CHANNELS; - clk_data->clks = kzalloc(clk_data->clk_num * sizeof(struct clk *), + clk_data->clks = kcalloc(clk_data->clk_num, sizeof(struct clk *), GFP_KERNEL); if (!clk_data->clks) - goto err; + goto err_alloc_clks; for (i = 0; i < clk_data->clk_num; i++) { struct clk *clk; @@ -749,21 +755,21 @@ static void __init st_of_clkgen_vcc_setup(struct device_node *np) if (*clk_name == '\0') continue; - gate = kzalloc(sizeof(struct clk_gate), GFP_KERNEL); + gate = kzalloc(sizeof(*gate), GFP_KERNEL); if (!gate) - break; + goto err; - div = kzalloc(sizeof(struct clk_divider), GFP_KERNEL); + div = kzalloc(sizeof(*div), GFP_KERNEL); if (!div) { kfree(gate); - break; + goto err; } - mux = kzalloc(sizeof(struct clk_mux), GFP_KERNEL); + mux = kzalloc(sizeof(*mux), GFP_KERNEL); if (!mux) { kfree(gate); kfree(div); - break; + goto err; } gate->reg = reg + VCC_GATE_OFFSET; @@ -786,7 +792,8 @@ static void __init st_of_clkgen_vcc_setup(struct device_node *np) &mux->hw, &clk_mux_ops, &div->hw, &clk_divider_ops, &gate->hw, &clk_gate_ops, - data->clk_flags); + data->clk_flags | + CLK_GET_RATE_NOCACHE); if (IS_ERR(clk)) { kfree(gate); kfree(div); @@ -821,10 +828,12 @@ err: kfree(container_of(composite->mux_hw, struct clk_mux, hw)); } - if (clk_data) - kfree(clk_data->clks); - + kfree(clk_data->clks); +err_alloc_clks: kfree(clk_data); +err_alloc: kfree(parents); +err_parents: + iounmap(reg); } CLK_OF_DECLARE(clkgen_vcc, "st,clkgen-vcc", st_of_clkgen_vcc_setup); diff --git a/drivers/clk/st/clkgen-pll.c b/drivers/clk/st/clkgen-pll.c index 106532207213..72d1c27eaffa 100644 --- a/drivers/clk/st/clkgen-pll.c +++ b/drivers/clk/st/clkgen-pll.c @@ -406,7 +406,7 @@ static struct clk * __init clkgen_pll_register(const char *parent_name, init.name = clk_name; init.ops = pll_data->ops; - init.flags = CLK_IS_BASIC; + init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE; init.parent_names = &parent_name; init.num_parents = 1; diff --git a/include/dt-bindings/clock/rk3066a-cru.h b/include/dt-bindings/clock/rk3066a-cru.h index bc1ed1dbd855..d3a9824ef646 100644 --- a/include/dt-bindings/clock/rk3066a-cru.h +++ b/include/dt-bindings/clock/rk3066a-cru.h @@ -13,6 +13,9 @@ * GNU General Public License for more details. */ +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3066A_H +#define _DT_BINDINGS_CLK_ROCKCHIP_RK3066A_H + #include <dt-bindings/clock/rk3188-cru-common.h> /* soft-reset indices */ @@ -33,3 +36,5 @@ #define SRST_HDMI 96 #define SRST_HDMI_APB 97 #define SRST_CIF1 111 + +#endif diff --git a/include/dt-bindings/clock/rk3188-cru-common.h b/include/dt-bindings/clock/rk3188-cru-common.h index 6a370503c954..8df77a7c030b 100644 --- a/include/dt-bindings/clock/rk3188-cru-common.h +++ b/include/dt-bindings/clock/rk3188-cru-common.h @@ -13,6 +13,9 @@ * GNU General Public License for more details. */ +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3188_COMMON_H +#define _DT_BINDINGS_CLK_ROCKCHIP_RK3188_COMMON_H + /* core clocks from */ #define PLL_APLL 1 #define PLL_DPLL 2 @@ -248,3 +251,5 @@ #define SRST_PTM1_ATB 141 #define SRST_CTM 142 #define SRST_TS 143 + +#endif diff --git a/include/dt-bindings/clock/rk3188-cru.h b/include/dt-bindings/clock/rk3188-cru.h index 9fac8edd3f9d..9f2e631f2651 100644 --- a/include/dt-bindings/clock/rk3188-cru.h +++ b/include/dt-bindings/clock/rk3188-cru.h @@ -13,6 +13,9 @@ * GNU General Public License for more details. */ +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3188_H +#define _DT_BINDINGS_CLK_ROCKCHIP_RK3188_H + #include <dt-bindings/clock/rk3188-cru-common.h> /* soft-reset indices */ @@ -49,3 +52,5 @@ #define SRST_GPU_BRIDGE 121 #define SRST_CTI3 123 #define SRST_CTI3_APB 124 + +#endif diff --git a/include/dt-bindings/clock/rk3288-cru.h b/include/dt-bindings/clock/rk3288-cru.h index dea419708d73..c719aacef14f 100644 --- a/include/dt-bindings/clock/rk3288-cru.h +++ b/include/dt-bindings/clock/rk3288-cru.h @@ -13,6 +13,9 @@ * GNU General Public License for more details. */ +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3288_H +#define _DT_BINDINGS_CLK_ROCKCHIP_RK3288_H + /* core clocks */ #define PLL_APLL 1 #define PLL_DPLL 2 @@ -376,3 +379,5 @@ #define SRST_TSP_CLKIN0 189 #define SRST_TSP_CLKIN1 190 #define SRST_TSP_27M 191 + +#endif diff --git a/include/dt-bindings/clock/rk3368-cru.h b/include/dt-bindings/clock/rk3368-cru.h new file mode 100644 index 000000000000..9c5dd9ba2f6c --- /dev/null +++ b/include/dt-bindings/clock/rk3368-cru.h @@ -0,0 +1,384 @@ +/* + * Copyright (c) 2015 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3368_H +#define _DT_BINDINGS_CLK_ROCKCHIP_RK3368_H + +/* core clocks */ +#define PLL_APLLB 1 +#define PLL_APLLL 2 +#define PLL_DPLL 3 +#define PLL_CPLL 4 +#define PLL_GPLL 5 +#define PLL_NPLL 6 +#define ARMCLKB 7 +#define ARMCLKL 8 + +/* sclk gates (special clocks) */ +#define SCLK_GPU_CORE 64 +#define SCLK_SPI0 65 +#define SCLK_SPI1 66 +#define SCLK_SPI2 67 +#define SCLK_SDMMC 68 +#define SCLK_SDIO0 69 +#define SCLK_EMMC 71 +#define SCLK_TSADC 72 +#define SCLK_SARADC 73 +#define SCLK_NANDC0 75 +#define SCLK_UART0 77 +#define SCLK_UART1 78 +#define SCLK_UART2 79 +#define SCLK_UART3 80 +#define SCLK_UART4 81 +#define SCLK_I2S_8CH 82 +#define SCLK_SPDIF_8CH 83 +#define SCLK_I2S_2CH 84 +#define SCLK_TIMER0 85 +#define SCLK_TIMER1 86 +#define SCLK_TIMER2 87 +#define SCLK_TIMER3 88 +#define SCLK_TIMER4 89 +#define SCLK_TIMER5 90 +#define SCLK_TIMER6 91 +#define SCLK_OTGPHY0 93 +#define SCLK_OTG_ADP 96 +#define SCLK_HSICPHY480M 97 +#define SCLK_HSICPHY12M 98 +#define SCLK_MACREF 99 +#define SCLK_VOP0_PWM 100 +#define SCLK_MAC_RX 102 +#define SCLK_MAC_TX 103 +#define SCLK_EDP_24M 104 +#define SCLK_EDP 105 +#define SCLK_RGA 106 +#define SCLK_ISP 107 +#define SCLK_HDCP 108 +#define SCLK_HDMI_HDCP 109 +#define SCLK_HDMI_CEC 110 +#define SCLK_HEVC_CABAC 111 +#define SCLK_HEVC_CORE 112 +#define SCLK_I2S_8CH_OUT 113 +#define SCLK_SDMMC_DRV 114 +#define SCLK_SDIO0_DRV 115 +#define SCLK_EMMC_DRV 117 +#define SCLK_SDMMC_SAMPLE 118 +#define SCLK_SDIO0_SAMPLE 119 +#define SCLK_EMMC_SAMPLE 121 +#define SCLK_USBPHY480M 122 +#define SCLK_PVTM_CORE 123 +#define SCLK_PVTM_GPU 124 +#define SCLK_PVTM_PMU 125 +#define SCLK_SFC 126 +#define SCLK_MAC 127 +#define SCLK_MACREF_OUT 128 + +#define DCLK_VOP 190 +#define MCLK_CRYPTO 191 + +/* aclk gates */ +#define ACLK_GPU_MEM 192 +#define ACLK_GPU_CFG 193 +#define ACLK_DMAC_BUS 194 +#define ACLK_DMAC_PERI 195 +#define ACLK_PERI_MMU 196 +#define ACLK_GMAC 197 +#define ACLK_VOP 198 +#define ACLK_VOP_IEP 199 +#define ACLK_RGA 200 +#define ACLK_HDCP 201 +#define ACLK_IEP 202 +#define ACLK_VIO0_NOC 203 +#define ACLK_VIP 204 +#define ACLK_ISP 205 +#define ACLK_VIO1_NOC 206 +#define ACLK_VIDEO 208 +#define ACLK_BUS 209 +#define ACLK_PERI 210 + +/* pclk gates */ +#define PCLK_GPIO0 320 +#define PCLK_GPIO1 321 +#define PCLK_GPIO2 322 +#define PCLK_GPIO3 323 +#define PCLK_PMUGRF 324 +#define PCLK_MAILBOX 325 +#define PCLK_GRF 329 +#define PCLK_SGRF 330 +#define PCLK_PMU 331 +#define PCLK_I2C0 332 +#define PCLK_I2C1 333 +#define PCLK_I2C2 334 +#define PCLK_I2C3 335 +#define PCLK_I2C4 336 +#define PCLK_I2C5 337 +#define PCLK_SPI0 338 +#define PCLK_SPI1 339 +#define PCLK_SPI2 340 +#define PCLK_UART0 341 +#define PCLK_UART1 342 +#define PCLK_UART2 343 +#define PCLK_UART3 344 +#define PCLK_UART4 345 +#define PCLK_TSADC 346 +#define PCLK_SARADC 347 +#define PCLK_SIM 348 +#define PCLK_GMAC 349 +#define PCLK_PWM0 350 +#define PCLK_PWM1 351 +#define PCLK_TIMER0 353 +#define PCLK_TIMER1 354 +#define PCLK_EDP_CTRL 355 +#define PCLK_MIPI_DSI0 356 +#define PCLK_MIPI_CSI 358 +#define PCLK_HDCP 359 +#define PCLK_HDMI_CTRL 360 +#define PCLK_VIO_H2P 361 +#define PCLK_BUS 362 +#define PCLK_PERI 363 +#define PCLK_DDRUPCTL 364 +#define PCLK_DDRPHY 365 +#define PCLK_ISP 366 +#define PCLK_VIP 367 +#define PCLK_WDT 368 + +/* hclk gates */ +#define HCLK_SFC 448 +#define HCLK_OTG0 449 +#define HCLK_HOST0 450 +#define HCLK_HOST1 451 +#define HCLK_HSIC 452 +#define HCLK_NANDC0 453 +#define HCLK_TSP 455 +#define HCLK_SDMMC 456 +#define HCLK_SDIO0 457 +#define HCLK_EMMC 459 +#define HCLK_HSADC 460 +#define HCLK_CRYPTO 461 +#define HCLK_I2S_2CH 462 +#define HCLK_I2S_8CH 463 +#define HCLK_SPDIF 464 +#define HCLK_VOP 465 +#define HCLK_ROM 467 +#define HCLK_IEP 468 +#define HCLK_ISP 469 +#define HCLK_RGA 470 +#define HCLK_VIO_AHB_ARBI 471 +#define HCLK_VIO_NOC 472 +#define HCLK_VIP 473 +#define HCLK_VIO_H2P 474 +#define HCLK_VIO_HDCPMMU 475 +#define HCLK_VIDEO 476 +#define HCLK_BUS 477 +#define HCLK_PERI 478 + +#define CLK_NR_CLKS (HCLK_PERI + 1) + +/* soft-reset indices */ +#define SRST_CORE_B0 0 +#define SRST_CORE_B1 1 +#define SRST_CORE_B2 2 +#define SRST_CORE_B3 3 +#define SRST_CORE_B0_PO 4 +#define SRST_CORE_B1_PO 5 +#define SRST_CORE_B2_PO 6 +#define SRST_CORE_B3_PO 7 +#define SRST_L2_B 8 +#define SRST_ADB_B 9 +#define SRST_PD_CORE_B_NIU 10 +#define SRST_PDBUS_STRSYS 11 +#define SRST_SOCDBG_B 14 +#define SRST_CORE_B_DBG 15 + +#define SRST_DMAC1 18 +#define SRST_INTMEM 19 +#define SRST_ROM 20 +#define SRST_SPDIF8CH 21 +#define SRST_I2S8CH 23 +#define SRST_MAILBOX 24 +#define SRST_I2S2CH 25 +#define SRST_EFUSE_256 26 +#define SRST_MCU_SYS 28 +#define SRST_MCU_PO 29 +#define SRST_MCU_NOC 30 +#define SRST_EFUSE 31 + +#define SRST_GPIO0 32 +#define SRST_GPIO1 33 +#define SRST_GPIO2 34 +#define SRST_GPIO3 35 +#define SRST_GPIO4 36 +#define SRST_PMUGRF 41 +#define SRST_I2C0 42 +#define SRST_I2C1 43 +#define SRST_I2C2 44 +#define SRST_I2C3 45 +#define SRST_I2C4 46 +#define SRST_I2C5 47 + +#define SRST_DWPWM 48 +#define SRST_MMC_PERI 49 +#define SRST_PERIPH_MMU 50 +#define SRST_GRF 55 +#define SRST_PMU 56 +#define SRST_PERIPH_AXI 57 +#define SRST_PERIPH_AHB 58 +#define SRST_PERIPH_APB 59 +#define SRST_PERIPH_NIU 60 +#define SRST_PDPERI_AHB_ARBI 61 +#define SRST_EMEM 62 +#define SRST_USB_PERI 63 + +#define SRST_DMAC2 64 +#define SRST_MAC 66 +#define SRST_GPS 67 +#define SRST_RKPWM 69 +#define SRST_USBHOST0 72 +#define SRST_HSIC 73 +#define SRST_HSIC_AUX 74 +#define SRST_HSIC_PHY 75 +#define SRST_HSADC 76 +#define SRST_NANDC0 77 +#define SRST_SFC 79 + +#define SRST_SPI0 83 +#define SRST_SPI1 84 +#define SRST_SPI2 85 +#define SRST_SARADC 87 +#define SRST_PDALIVE_NIU 88 +#define SRST_PDPMU_INTMEM 89 +#define SRST_PDPMU_NIU 90 +#define SRST_SGRF 91 + +#define SRST_VIO_ARBI 96 +#define SRST_RGA_NIU 97 +#define SRST_VIO0_NIU_AXI 98 +#define SRST_VIO_NIU_AHB 99 +#define SRST_LCDC0_AXI 100 +#define SRST_LCDC0_AHB 101 +#define SRST_LCDC0_DCLK 102 +#define SRST_VIP 104 +#define SRST_RGA_CORE 105 +#define SRST_IEP_AXI 106 +#define SRST_IEP_AHB 107 +#define SRST_RGA_AXI 108 +#define SRST_RGA_AHB 109 +#define SRST_ISP 110 +#define SRST_EDP_24M 111 + +#define SRST_VIDEO_AXI 112 +#define SRST_VIDEO_AHB 113 +#define SRST_MIPIDPHYTX 114 +#define SRST_MIPIDSI0 115 +#define SRST_MIPIDPHYRX 116 +#define SRST_MIPICSI 117 +#define SRST_GPU 120 +#define SRST_HDMI 121 +#define SRST_EDP 122 +#define SRST_PMU_PVTM 123 +#define SRST_CORE_PVTM 124 +#define SRST_GPU_PVTM 125 +#define SRST_GPU_SYS 126 +#define SRST_GPU_MEM_NIU 127 + +#define SRST_MMC0 128 +#define SRST_SDIO0 129 +#define SRST_EMMC 131 +#define SRST_USBOTG_AHB 132 +#define SRST_USBOTG_PHY 133 +#define SRST_USBOTG_CON 134 +#define SRST_USBHOST0_AHB 135 +#define SRST_USBHOST0_PHY 136 +#define SRST_USBHOST0_CON 137 +#define SRST_USBOTG_UTMI 138 +#define SRST_USBHOST1_UTMI 139 +#define SRST_USB_ADP 141 + +#define SRST_CORESIGHT 144 +#define SRST_PD_CORE_AHB_NOC 145 +#define SRST_PD_CORE_APB_NOC 146 +#define SRST_GIC 148 +#define SRST_LCDC_PWM0 149 +#define SRST_RGA_H2P_BRG 153 +#define SRST_VIDEO 154 +#define SRST_GPU_CFG_NIU 157 +#define SRST_TSADC 159 + +#define SRST_DDRPHY0 160 +#define SRST_DDRPHY0_APB 161 +#define SRST_DDRCTRL0 162 +#define SRST_DDRCTRL0_APB 163 +#define SRST_VIDEO_NIU 165 +#define SRST_VIDEO_NIU_AHB 167 +#define SRST_DDRMSCH0 170 +#define SRST_PDBUS_AHB 173 +#define SRST_CRYPTO 174 + +#define SRST_UART0 179 +#define SRST_UART1 180 +#define SRST_UART2 181 +#define SRST_UART3 182 +#define SRST_UART4 183 +#define SRST_SIMC 186 +#define SRST_TSP 188 +#define SRST_TSP_CLKIN0 189 + +#define SRST_CORE_L0 192 +#define SRST_CORE_L1 193 +#define SRST_CORE_L2 194 +#define SRST_CORE_L3 195 +#define SRST_CORE_L0_PO 195 +#define SRST_CORE_L1_PO 197 +#define SRST_CORE_L2_PO 198 +#define SRST_CORE_L3_PO 199 +#define SRST_L2_L 200 +#define SRST_ADB_L 201 +#define SRST_PD_CORE_L_NIU 202 +#define SRST_CCI_SYS 203 +#define SRST_CCI_DDR 204 +#define SRST_CCI 205 +#define SRST_SOCDBG_L 206 +#define SRST_CORE_L_DBG 207 + +#define SRST_CORE_B0_NC 208 +#define SRST_CORE_B0_PO_NC 209 +#define SRST_L2_B_NC 210 +#define SRST_ADB_B_NC 211 +#define SRST_PD_CORE_B_NIU_NC 212 +#define SRST_PDBUS_STRSYS_NC 213 +#define SRST_CORE_L0_NC 214 +#define SRST_CORE_L0_PO_NC 215 +#define SRST_L2_L_NC 216 +#define SRST_ADB_L_NC 217 +#define SRST_PD_CORE_L_NIU_NC 218 +#define SRST_CCI_SYS_NC 219 +#define SRST_CCI_DDR_NC 220 +#define SRST_CCI_NC 221 +#define SRST_TRACE_NC 222 + +#define SRST_TIMER00 224 +#define SRST_TIMER01 225 +#define SRST_TIMER02 226 +#define SRST_TIMER03 227 +#define SRST_TIMER04 228 +#define SRST_TIMER05 229 +#define SRST_TIMER10 230 +#define SRST_TIMER11 231 +#define SRST_TIMER12 232 +#define SRST_TIMER13 233 +#define SRST_TIMER14 234 +#define SRST_TIMER15 235 +#define SRST_TIMER0_APB 236 +#define SRST_TIMER1_APB 237 + +#endif diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 14998f05acf2..2116e2b8a5f2 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -568,6 +568,23 @@ struct clk *clk_register_gpio_gate(struct device *dev, const char *name, void of_gpio_clk_gate_setup(struct device_node *node); /** + * struct clk_gpio_mux - gpio controlled clock multiplexer + * + * @hw: see struct clk_gpio + * @gpiod: gpio descriptor to select the parent of this clock multiplexer + * + * Clock with a gpio control for selecting the parent clock. + * Implements .get_parent, .set_parent and .determine_rate + */ + +extern const struct clk_ops clk_gpio_mux_ops; +struct clk *clk_register_gpio_mux(struct device *dev, const char *name, + const char **parent_names, u8 num_parents, unsigned gpio, + bool active_low, unsigned long flags); + +void of_gpio_mux_clk_setup(struct device_node *node); + +/** * clk_register - allocate a new clock, register it and return an opaque cookie * @dev: device that is registering this clock * @hw: link to hardware-specific clock data |