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-rw-r--r--arch/arm/mach-davinci/Makefile4
-rw-r--r--arch/arm/mach-davinci/clock.c19
-rw-r--r--arch/arm/mach-davinci/clock.h1
-rw-r--r--arch/arm/mach-davinci/cp_intc.c3
-rw-r--r--arch/arm/mach-davinci/da8xx-dt.c17
-rw-r--r--arch/arm/mach-davinci/usb-da8xx.c107
-rw-r--r--arch/arm/mach-davinci/usb.c89
7 files changed, 132 insertions, 108 deletions
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 2e3464b8bab4..da4c336b4637 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -14,8 +14,8 @@ obj-$(CONFIG_ARCH_DAVINCI_DM644x) += dm644x.o devices.o
obj-$(CONFIG_ARCH_DAVINCI_DM355) += dm355.o devices.o
obj-$(CONFIG_ARCH_DAVINCI_DM646x) += dm646x.o devices.o
obj-$(CONFIG_ARCH_DAVINCI_DM365) += dm365.o devices.o
-obj-$(CONFIG_ARCH_DAVINCI_DA830) += da830.o devices-da8xx.o
-obj-$(CONFIG_ARCH_DAVINCI_DA850) += da850.o devices-da8xx.o
+obj-$(CONFIG_ARCH_DAVINCI_DA830) += da830.o devices-da8xx.o usb-da8xx.o
+obj-$(CONFIG_ARCH_DAVINCI_DA850) += da850.o devices-da8xx.o usb-da8xx.o
obj-$(CONFIG_AINTC) += irq.o
obj-$(CONFIG_CP_INTC) += cp_intc.o
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 3424eac6b588..34b4f9fda35d 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -195,6 +195,14 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
return -EINVAL;
mutex_lock(&clocks_mutex);
+ if (clk->set_parent) {
+ int ret = clk->set_parent(clk, parent);
+
+ if (ret) {
+ mutex_unlock(&clocks_mutex);
+ return ret;
+ }
+ }
clk->parent = parent;
list_del_init(&clk->childnode);
list_add(&clk->childnode, &clk->parent->children);
@@ -224,8 +232,17 @@ int clk_register(struct clk *clk)
mutex_lock(&clocks_mutex);
list_add_tail(&clk->node, &clocks);
- if (clk->parent)
+ if (clk->parent) {
+ if (clk->set_parent) {
+ int ret = clk->set_parent(clk, clk->parent);
+
+ if (ret) {
+ mutex_unlock(&clocks_mutex);
+ return ret;
+ }
+ }
list_add_tail(&clk->childnode, &clk->parent->children);
+ }
mutex_unlock(&clocks_mutex);
/* If rate is already set, use it */
diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h
index 1e4e836173a1..e2a5437a1aee 100644
--- a/arch/arm/mach-davinci/clock.h
+++ b/arch/arm/mach-davinci/clock.h
@@ -106,6 +106,7 @@ struct clk {
int (*reset) (struct clk *clk, bool reset);
void (*clk_enable) (struct clk *clk);
void (*clk_disable) (struct clk *clk);
+ int (*set_parent) (struct clk *clk, struct clk *parent);
};
/* Clock flags: SoC-specific flags start at BIT(16) */
diff --git a/arch/arm/mach-davinci/cp_intc.c b/arch/arm/mach-davinci/cp_intc.c
index 1a68d2477de6..94085d21018e 100644
--- a/arch/arm/mach-davinci/cp_intc.c
+++ b/arch/arm/mach-davinci/cp_intc.c
@@ -12,6 +12,7 @@
#include <linux/export.h>
#include <linux/init.h>
#include <linux/irq.h>
+#include <linux/irqchip.h>
#include <linux/irqdomain.h>
#include <linux/io.h>
#include <linux/of.h>
@@ -210,3 +211,5 @@ void __init cp_intc_init(void)
{
cp_intc_of_init(NULL, NULL);
}
+
+IRQCHIP_DECLARE(cp_intc, "ti,cp-intc", cp_intc_of_init);
diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
index c4b5808ca7c1..fac6d43e7fdb 100644
--- a/arch/arm/mach-davinci/da8xx-dt.c
+++ b/arch/arm/mach-davinci/da8xx-dt.c
@@ -18,18 +18,6 @@
#include "cp_intc.h"
#include <mach/da8xx.h>
-#define DA8XX_NUM_UARTS 3
-
-static const struct of_device_id const da8xx_irq_match[] __initconst = {
- { .compatible = "ti,cp-intc", .data = cp_intc_of_init, },
- { }
-};
-
-static void __init da8xx_init_irq(void)
-{
- of_irq_init(da8xx_irq_match);
-}
-
static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL),
OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "davinci-wdt", NULL),
@@ -54,9 +42,7 @@ static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
static void __init da850_init_machine(void)
{
- of_platform_populate(NULL, of_default_bus_match_table,
- da850_auxdata_lookup, NULL);
-
+ of_platform_default_populate(NULL, da850_auxdata_lookup, NULL);
}
static const char *const da850_boards_compat[] __initconst = {
@@ -68,7 +54,6 @@ static const char *const da850_boards_compat[] __initconst = {
DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x")
.map_io = da850_init,
- .init_irq = da8xx_init_irq,
.init_time = davinci_timer_init,
.init_machine = da850_init_machine,
.dt_compat = da850_boards_compat,
diff --git a/arch/arm/mach-davinci/usb-da8xx.c b/arch/arm/mach-davinci/usb-da8xx.c
new file mode 100644
index 000000000000..f141f5171906
--- /dev/null
+++ b/arch/arm/mach-davinci/usb-da8xx.c
@@ -0,0 +1,107 @@
+/*
+ * DA8xx USB
+ */
+#include <linux/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/platform_data/usb-davinci.h>
+#include <linux/platform_device.h>
+#include <linux/usb/musb.h>
+
+#include <mach/common.h>
+#include <mach/cputype.h>
+#include <mach/da8xx.h>
+#include <mach/irqs.h>
+
+#define DA8XX_USB0_BASE 0x01e00000
+#define DA8XX_USB1_BASE 0x01e25000
+
+#if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
+
+static struct musb_hdrc_config musb_config = {
+ .multipoint = true,
+ .num_eps = 5,
+ .ram_bits = 10,
+};
+
+static struct musb_hdrc_platform_data usb_data = {
+ /* OTG requires a Mini-AB connector */
+ .mode = MUSB_OTG,
+ .clock = "usb20",
+ .config = &musb_config,
+};
+
+static struct resource da8xx_usb20_resources[] = {
+ {
+ .start = DA8XX_USB0_BASE,
+ .end = DA8XX_USB0_BASE + SZ_64K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_DA8XX_USB_INT,
+ .flags = IORESOURCE_IRQ,
+ .name = "mc",
+ },
+};
+
+static u64 usb_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device usb_dev = {
+ .name = "musb-da8xx",
+ .id = -1,
+ .dev = {
+ .platform_data = &usb_data,
+ .dma_mask = &usb_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = da8xx_usb20_resources,
+ .num_resources = ARRAY_SIZE(da8xx_usb20_resources),
+};
+
+int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt)
+{
+ usb_data.power = mA > 510 ? 255 : mA / 2;
+ usb_data.potpgt = (potpgt + 1) / 2;
+
+ return platform_device_register(&usb_dev);
+}
+
+#else
+
+int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt)
+{
+ return 0;
+}
+
+#endif /* CONFIG_USB_MUSB_HDRC */
+
+static struct resource da8xx_usb11_resources[] = {
+ [0] = {
+ .start = DA8XX_USB1_BASE,
+ .end = DA8XX_USB1_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_DA8XX_IRQN,
+ .end = IRQ_DA8XX_IRQN,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device da8xx_usb11_device = {
+ .name = "ohci",
+ .id = 0,
+ .dev = {
+ .dma_mask = &da8xx_usb11_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .num_resources = ARRAY_SIZE(da8xx_usb11_resources),
+ .resource = da8xx_usb11_resources,
+};
+
+int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata)
+{
+ da8xx_usb11_device.dev.platform_data = pdata;
+ return platform_device_register(&da8xx_usb11_device);
+}
diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c
index b0a6b522575f..0e7e89c1f331 100644
--- a/arch/arm/mach-davinci/usb.c
+++ b/arch/arm/mach-davinci/usb.c
@@ -10,36 +10,16 @@
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/cputype.h>
-#include <mach/da8xx.h>
#include <linux/platform_data/usb-davinci.h>
#define DAVINCI_USB_OTG_BASE 0x01c64000
-#define DA8XX_USB0_BASE 0x01e00000
-#define DA8XX_USB1_BASE 0x01e25000
-
#if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
-static struct musb_hdrc_eps_bits musb_eps[] = {
- { "ep1_tx", 8, },
- { "ep1_rx", 8, },
- { "ep2_tx", 8, },
- { "ep2_rx", 8, },
- { "ep3_tx", 5, },
- { "ep3_rx", 5, },
- { "ep4_tx", 5, },
- { "ep4_rx", 5, },
-};
-
static struct musb_hdrc_config musb_config = {
.multipoint = true,
- .dyn_fifo = true,
- .soft_con = true,
- .dma = true,
.num_eps = 5,
- .dma_channels = 8,
.ram_bits = 10,
- .eps_bits = musb_eps,
};
static struct musb_hdrc_platform_data usb_data = {
@@ -97,79 +77,10 @@ void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
platform_device_register(&usb_dev);
}
-#ifdef CONFIG_ARCH_DAVINCI_DA8XX
-static struct resource da8xx_usb20_resources[] = {
- {
- .start = DA8XX_USB0_BASE,
- .end = DA8XX_USB0_BASE + SZ_64K - 1,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = IRQ_DA8XX_USB_INT,
- .flags = IORESOURCE_IRQ,
- .name = "mc",
- },
-};
-
-int __init da8xx_register_usb20(unsigned mA, unsigned potpgt)
-{
- usb_data.clock = "usb20";
- usb_data.power = mA > 510 ? 255 : mA / 2;
- usb_data.potpgt = (potpgt + 1) / 2;
-
- usb_dev.resource = da8xx_usb20_resources;
- usb_dev.num_resources = ARRAY_SIZE(da8xx_usb20_resources);
- usb_dev.name = "musb-da8xx";
-
- return platform_device_register(&usb_dev);
-}
-#endif /* CONFIG_DAVINCI_DA8XX */
-
#else
void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
{
}
-#ifdef CONFIG_ARCH_DAVINCI_DA8XX
-int __init da8xx_register_usb20(unsigned mA, unsigned potpgt)
-{
- return 0;
-}
-#endif
-
#endif /* CONFIG_USB_MUSB_HDRC */
-
-#ifdef CONFIG_ARCH_DAVINCI_DA8XX
-static struct resource da8xx_usb11_resources[] = {
- [0] = {
- .start = DA8XX_USB1_BASE,
- .end = DA8XX_USB1_BASE + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_DA8XX_IRQN,
- .end = IRQ_DA8XX_IRQN,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32);
-
-static struct platform_device da8xx_usb11_device = {
- .name = "ohci",
- .id = 0,
- .dev = {
- .dma_mask = &da8xx_usb11_dma_mask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .num_resources = ARRAY_SIZE(da8xx_usb11_resources),
- .resource = da8xx_usb11_resources,
-};
-
-int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata)
-{
- da8xx_usb11_device.dev.platform_data = pdata;
- return platform_device_register(&da8xx_usb11_device);
-}
-#endif /* CONFIG_DAVINCI_DA8XX */
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