diff options
Diffstat (limited to 'drivers/clk/tegra')
-rw-r--r-- | drivers/clk/tegra/Kconfig | 5 | ||||
-rw-r--r-- | drivers/clk/tegra/Makefile | 2 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-audio-sync.c | 3 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-dfll.c | 489 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-dfll.h | 6 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-pll.c | 7 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra-audio.c | 7 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra-periph.c | 3 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra114.c | 9 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra124-dfll-fcpu.c | 524 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra124.c | 9 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra20.c | 46 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra210.c | 9 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra30.c | 15 | ||||
-rw-r--r-- | drivers/clk/tegra/clk.h | 4 | ||||
-rw-r--r-- | drivers/clk/tegra/cvb.c | 12 | ||||
-rw-r--r-- | drivers/clk/tegra/cvb.h | 7 |
17 files changed, 1006 insertions, 151 deletions
diff --git a/drivers/clk/tegra/Kconfig b/drivers/clk/tegra/Kconfig index 7ddacae5d0b1..1adcccfa7829 100644 --- a/drivers/clk/tegra/Kconfig +++ b/drivers/clk/tegra/Kconfig @@ -5,3 +5,8 @@ config TEGRA_CLK_EMC config CLK_TEGRA_BPMP def_bool y depends on TEGRA_BPMP + +config TEGRA_CLK_DFLL + depends on ARCH_TEGRA_124_SOC || ARCH_TEGRA_210_SOC + select PM_OPP + def_bool y diff --git a/drivers/clk/tegra/Makefile b/drivers/clk/tegra/Makefile index 6507acc843c7..4812e45c2214 100644 --- a/drivers/clk/tegra/Makefile +++ b/drivers/clk/tegra/Makefile @@ -20,7 +20,7 @@ obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += clk-tegra20.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += clk-tegra30.o obj-$(CONFIG_ARCH_TEGRA_114_SOC) += clk-tegra114.o obj-$(CONFIG_ARCH_TEGRA_124_SOC) += clk-tegra124.o -obj-$(CONFIG_ARCH_TEGRA_124_SOC) += clk-tegra124-dfll-fcpu.o +obj-$(CONFIG_TEGRA_CLK_DFLL) += clk-tegra124-dfll-fcpu.o obj-$(CONFIG_ARCH_TEGRA_132_SOC) += clk-tegra124.o obj-y += cvb.o obj-$(CONFIG_ARCH_TEGRA_210_SOC) += clk-tegra210.o diff --git a/drivers/clk/tegra/clk-audio-sync.c b/drivers/clk/tegra/clk-audio-sync.c index 92d04ce2dee6..53cdc0ec40f3 100644 --- a/drivers/clk/tegra/clk-audio-sync.c +++ b/drivers/clk/tegra/clk-audio-sync.c @@ -55,7 +55,7 @@ const struct clk_ops tegra_clk_sync_source_ops = { }; struct clk *tegra_clk_register_sync_source(const char *name, - unsigned long rate, unsigned long max_rate) + unsigned long max_rate) { struct tegra_clk_sync_source *sync; struct clk_init_data init; @@ -67,7 +67,6 @@ struct clk *tegra_clk_register_sync_source(const char *name, return ERR_PTR(-ENOMEM); } - sync->rate = rate; sync->max_rate = max_rate; init.ops = &tegra_clk_sync_source_ops; diff --git a/drivers/clk/tegra/clk-dfll.c b/drivers/clk/tegra/clk-dfll.c index ebb0e1b6bf01..1fc71baae13b 100644 --- a/drivers/clk/tegra/clk-dfll.c +++ b/drivers/clk/tegra/clk-dfll.c @@ -1,7 +1,7 @@ /* * clk-dfll.c - Tegra DFLL clock source common code * - * Copyright (C) 2012-2014 NVIDIA Corporation. All rights reserved. + * Copyright (C) 2012-2019 NVIDIA Corporation. All rights reserved. * * Aleksandr Frid <afrid@nvidia.com> * Paul Walmsley <pwalmsley@nvidia.com> @@ -47,6 +47,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/pinctrl/consumer.h> #include <linux/pm_opp.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> @@ -243,6 +244,12 @@ enum dfll_tune_range { DFLL_TUNE_LOW = 1, }; + +enum tegra_dfll_pmu_if { + TEGRA_DFLL_PMU_I2C = 0, + TEGRA_DFLL_PMU_PWM = 1, +}; + /** * struct dfll_rate_req - target DFLL rate request data * @rate: target frequency, after the postscaling @@ -300,10 +307,19 @@ struct tegra_dfll { u32 i2c_reg; u32 i2c_slave_addr; - /* i2c_lut array entries are regulator framework selectors */ - unsigned i2c_lut[MAX_DFLL_VOLTAGES]; - int i2c_lut_size; - u8 lut_min, lut_max, lut_safe; + /* lut array entries are regulator framework selectors or PWM values*/ + unsigned lut[MAX_DFLL_VOLTAGES]; + unsigned long lut_uv[MAX_DFLL_VOLTAGES]; + int lut_size; + u8 lut_bottom, lut_min, lut_max, lut_safe; + + /* PWM interface */ + enum tegra_dfll_pmu_if pmu_if; + unsigned long pwm_rate; + struct pinctrl *pwm_pin; + struct pinctrl_state *pwm_enable_state; + struct pinctrl_state *pwm_disable_state; + u32 reg_init_uV; }; #define clk_hw_to_dfll(_hw) container_of(_hw, struct tegra_dfll, dfll_clk_hw) @@ -490,6 +506,34 @@ static void dfll_set_mode(struct tegra_dfll *td, } /* + * DVCO rate control + */ + +static unsigned long get_dvco_rate_below(struct tegra_dfll *td, u8 out_min) +{ + struct dev_pm_opp *opp; + unsigned long rate, prev_rate; + unsigned long uv, min_uv; + + min_uv = td->lut_uv[out_min]; + for (rate = 0, prev_rate = 0; ; rate++) { + opp = dev_pm_opp_find_freq_ceil(td->soc->dev, &rate); + if (IS_ERR(opp)) + break; + + uv = dev_pm_opp_get_voltage(opp); + dev_pm_opp_put(opp); + + if (uv && uv > min_uv) + return prev_rate; + + prev_rate = rate; + } + + return prev_rate; +} + +/* * DFLL-to-I2C controller interface */ @@ -518,6 +562,118 @@ static int dfll_i2c_set_output_enabled(struct tegra_dfll *td, bool enable) return 0; } + +/* + * DFLL-to-PWM controller interface + */ + +/** + * dfll_pwm_set_output_enabled - enable/disable PWM voltage requests + * @td: DFLL instance + * @enable: whether to enable or disable the PWM voltage requests + * + * Set the master enable control for PWM control value updates. If disabled, + * then the PWM signal is not driven. Also configure the PWM output pad + * to the appropriate state. + */ +static int dfll_pwm_set_output_enabled(struct tegra_dfll *td, bool enable) +{ + int ret; + u32 val, div; + + if (enable) { + ret = pinctrl_select_state(td->pwm_pin, td->pwm_enable_state); + if (ret < 0) { + dev_err(td->dev, "setting enable state failed\n"); + return -EINVAL; + } + val = dfll_readl(td, DFLL_OUTPUT_CFG); + val &= ~DFLL_OUTPUT_CFG_PWM_DIV_MASK; + div = DIV_ROUND_UP(td->ref_rate, td->pwm_rate); + val |= (div << DFLL_OUTPUT_CFG_PWM_DIV_SHIFT) + & DFLL_OUTPUT_CFG_PWM_DIV_MASK; + dfll_writel(td, val, DFLL_OUTPUT_CFG); + dfll_wmb(td); + + val |= DFLL_OUTPUT_CFG_PWM_ENABLE; + dfll_writel(td, val, DFLL_OUTPUT_CFG); + dfll_wmb(td); + } else { + ret = pinctrl_select_state(td->pwm_pin, td->pwm_disable_state); + if (ret < 0) + dev_warn(td->dev, "setting disable state failed\n"); + + val = dfll_readl(td, DFLL_OUTPUT_CFG); + val &= ~DFLL_OUTPUT_CFG_PWM_ENABLE; + dfll_writel(td, val, DFLL_OUTPUT_CFG); + dfll_wmb(td); + } + + return 0; +} + +/** + * dfll_set_force_output_value - set fixed value for force output + * @td: DFLL instance + * @out_val: value to force output + * + * Set the fixed value for force output, DFLL will output this value when + * force output is enabled. + */ +static u32 dfll_set_force_output_value(struct tegra_dfll *td, u8 out_val) +{ + u32 val = dfll_readl(td, DFLL_OUTPUT_FORCE); + + val = (val & DFLL_OUTPUT_FORCE_ENABLE) | (out_val & OUT_MASK); + dfll_writel(td, val, DFLL_OUTPUT_FORCE); + dfll_wmb(td); + + return dfll_readl(td, DFLL_OUTPUT_FORCE); +} + +/** + * dfll_set_force_output_enabled - enable/disable force output + * @td: DFLL instance + * @enable: whether to enable or disable the force output + * + * Set the enable control for fouce output with fixed value. + */ +static void dfll_set_force_output_enabled(struct tegra_dfll *td, bool enable) +{ + u32 val = dfll_readl(td, DFLL_OUTPUT_FORCE); + + if (enable) + val |= DFLL_OUTPUT_FORCE_ENABLE; + else + val &= ~DFLL_OUTPUT_FORCE_ENABLE; + + dfll_writel(td, val, DFLL_OUTPUT_FORCE); + dfll_wmb(td); +} + +/** + * dfll_force_output - force output a fixed value + * @td: DFLL instance + * @out_sel: value to force output + * + * Set the fixed value for force output, DFLL will output this value. + */ +static int dfll_force_output(struct tegra_dfll *td, unsigned int out_sel) +{ + u32 val; + + if (out_sel > OUT_MASK) + return -EINVAL; + + val = dfll_set_force_output_value(td, out_sel); + if ((td->mode < DFLL_CLOSED_LOOP) && + !(val & DFLL_OUTPUT_FORCE_ENABLE)) { + dfll_set_force_output_enabled(td, true); + } + + return 0; +} + /** * dfll_load_lut - load the voltage lookup table * @td: struct tegra_dfll * @@ -539,7 +695,7 @@ static void dfll_load_i2c_lut(struct tegra_dfll *td) lut_index = i; val = regulator_list_hardware_vsel(td->vdd_reg, - td->i2c_lut[lut_index]); + td->lut[lut_index]); __raw_writel(val, td->lut_base + i * 4); } @@ -594,24 +750,41 @@ static void dfll_init_out_if(struct tegra_dfll *td) { u32 val; - td->lut_min = 0; - td->lut_max = td->i2c_lut_size - 1; - td->lut_safe = td->lut_min + 1; + td->lut_min = td->lut_bottom; + td->lut_max = td->lut_size - 1; + td->lut_safe = td->lut_min + (td->lut_min < td->lut_max ? 1 : 0); + + /* clear DFLL_OUTPUT_CFG before setting new value */ + dfll_writel(td, 0, DFLL_OUTPUT_CFG); + dfll_wmb(td); - dfll_i2c_writel(td, 0, DFLL_OUTPUT_CFG); val = (td->lut_safe << DFLL_OUTPUT_CFG_SAFE_SHIFT) | - (td->lut_max << DFLL_OUTPUT_CFG_MAX_SHIFT) | - (td->lut_min << DFLL_OUTPUT_CFG_MIN_SHIFT); - dfll_i2c_writel(td, val, DFLL_OUTPUT_CFG); - dfll_i2c_wmb(td); + (td->lut_max << DFLL_OUTPUT_CFG_MAX_SHIFT) | + (td->lut_min << DFLL_OUTPUT_CFG_MIN_SHIFT); + dfll_writel(td, val, DFLL_OUTPUT_CFG); + dfll_wmb(td); dfll_writel(td, 0, DFLL_OUTPUT_FORCE); dfll_i2c_writel(td, 0, DFLL_INTR_EN); dfll_i2c_writel(td, DFLL_INTR_MAX_MASK | DFLL_INTR_MIN_MASK, DFLL_INTR_STS); - dfll_load_i2c_lut(td); - dfll_init_i2c_if(td); + if (td->pmu_if == TEGRA_DFLL_PMU_PWM) { + u32 vinit = td->reg_init_uV; + int vstep = td->soc->alignment.step_uv; + unsigned long vmin = td->lut_uv[0]; + + /* set initial voltage */ + if ((vinit >= vmin) && vstep) { + unsigned int vsel; + + vsel = DIV_ROUND_UP((vinit - vmin), vstep); + dfll_force_output(td, vsel); + } + } else { + dfll_load_i2c_lut(td); + dfll_init_i2c_if(td); + } } /* @@ -631,17 +804,17 @@ static void dfll_init_out_if(struct tegra_dfll *td) static int find_lut_index_for_rate(struct tegra_dfll *td, unsigned long rate) { struct dev_pm_opp *opp; - int i, uv; + int i, align_step; opp = dev_pm_opp_find_freq_ceil(td->soc->dev, &rate); if (IS_ERR(opp)) return PTR_ERR(opp); - uv = dev_pm_opp_get_voltage(opp); + align_step = dev_pm_opp_get_voltage(opp) / td->soc->alignment.step_uv; dev_pm_opp_put(opp); - for (i = 0; i < td->i2c_lut_size; i++) { - if (regulator_list_voltage(td->vdd_reg, td->i2c_lut[i]) == uv) + for (i = td->lut_bottom; i < td->lut_size; i++) { + if ((td->lut_uv[i] / td->soc->alignment.step_uv) >= align_step) return i; } @@ -863,9 +1036,14 @@ static int dfll_lock(struct tegra_dfll *td) return -EINVAL; } - dfll_i2c_set_output_enabled(td, true); + if (td->pmu_if == TEGRA_DFLL_PMU_PWM) + dfll_pwm_set_output_enabled(td, true); + else + dfll_i2c_set_output_enabled(td, true); + dfll_set_mode(td, DFLL_CLOSED_LOOP); dfll_set_frequency_request(td, req); + dfll_set_force_output_enabled(td, false); return 0; default: @@ -889,7 +1067,10 @@ static int dfll_unlock(struct tegra_dfll *td) case DFLL_CLOSED_LOOP: dfll_set_open_loop_config(td); dfll_set_mode(td, DFLL_OPEN_LOOP); - dfll_i2c_set_output_enabled(td, false); + if (td->pmu_if == TEGRA_DFLL_PMU_PWM) + dfll_pwm_set_output_enabled(td, false); + else + dfll_i2c_set_output_enabled(td, false); return 0; case DFLL_OPEN_LOOP: @@ -1112,8 +1293,8 @@ static int attr_enable_set(void *data, u64 val) return val ? dfll_enable(td) : dfll_disable(td); } -DEFINE_SIMPLE_ATTRIBUTE(enable_fops, attr_enable_get, attr_enable_set, - "%llu\n"); +DEFINE_DEBUGFS_ATTRIBUTE(enable_fops, attr_enable_get, attr_enable_set, + "%llu\n"); static int attr_lock_get(void *data, u64 *val) { @@ -1129,8 +1310,7 @@ static int attr_lock_set(void *data, u64 val) return val ? dfll_lock(td) : dfll_unlock(td); } -DEFINE_SIMPLE_ATTRIBUTE(lock_fops, attr_lock_get, attr_lock_set, - "%llu\n"); +DEFINE_DEBUGFS_ATTRIBUTE(lock_fops, attr_lock_get, attr_lock_set, "%llu\n"); static int attr_rate_get(void *data, u64 *val) { @@ -1147,7 +1327,7 @@ static int attr_rate_set(void *data, u64 val) return dfll_request_rate(td, val); } -DEFINE_SIMPLE_ATTRIBUTE(rate_fops, attr_rate_get, attr_rate_set, "%llu\n"); +DEFINE_DEBUGFS_ATTRIBUTE(rate_fops, attr_rate_get, attr_rate_set, "%llu\n"); static int attr_registers_show(struct seq_file *s, void *data) { @@ -1171,30 +1351,22 @@ static int attr_registers_show(struct seq_file *s, void *data) seq_printf(s, "[0x%02x] = 0x%08x\n", offs, dfll_i2c_readl(td, offs)); - seq_puts(s, "\nINTEGRATED I2C CONTROLLER REGISTERS:\n"); - offs = DFLL_I2C_CLK_DIVISOR; - seq_printf(s, "[0x%02x] = 0x%08x\n", offs, - __raw_readl(td->i2c_controller_base + offs)); - - seq_puts(s, "\nLUT:\n"); - for (offs = 0; offs < 4 * MAX_DFLL_VOLTAGES; offs += 4) + if (td->pmu_if == TEGRA_DFLL_PMU_I2C) { + seq_puts(s, "\nINTEGRATED I2C CONTROLLER REGISTERS:\n"); + offs = DFLL_I2C_CLK_DIVISOR; seq_printf(s, "[0x%02x] = 0x%08x\n", offs, - __raw_readl(td->lut_base + offs)); + __raw_readl(td->i2c_controller_base + offs)); - return 0; -} + seq_puts(s, "\nLUT:\n"); + for (offs = 0; offs < 4 * MAX_DFLL_VOLTAGES; offs += 4) + seq_printf(s, "[0x%02x] = 0x%08x\n", offs, + __raw_readl(td->lut_base + offs)); + } -static int attr_registers_open(struct inode *inode, struct file *file) -{ - return single_open(file, attr_registers_show, inode->i_private); + return 0; } -static const struct file_operations attr_registers_fops = { - .open = attr_registers_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(attr_registers); static void dfll_debug_init(struct tegra_dfll *td) { @@ -1206,10 +1378,11 @@ static void dfll_debug_init(struct tegra_dfll *td) root = debugfs_create_dir("tegra_dfll_fcpu", NULL); td->debugfs_dir = root; - debugfs_create_file("enable", S_IRUGO | S_IWUSR, root, td, &enable_fops); - debugfs_create_file("lock", S_IRUGO, root, td, &lock_fops); - debugfs_create_file("rate", S_IRUGO, root, td, &rate_fops); - debugfs_create_file("registers", S_IRUGO, root, td, &attr_registers_fops); + debugfs_create_file_unsafe("enable", 0644, root, td, + &enable_fops); + debugfs_create_file_unsafe("lock", 0444, root, td, &lock_fops); + debugfs_create_file_unsafe("rate", 0444, root, td, &rate_fops); + debugfs_create_file("registers", 0444, root, td, &attr_registers_fops); } #else @@ -1359,15 +1532,21 @@ di_err1: */ static int find_vdd_map_entry_exact(struct tegra_dfll *td, int uV) { - int i, n_voltages, reg_uV; + int i, n_voltages, reg_uV,reg_volt_id, align_step; + + if (WARN_ON(td->pmu_if == TEGRA_DFLL_PMU_PWM)) + return -EINVAL; + align_step = uV / td->soc->alignment.step_uv; n_voltages = regulator_count_voltages(td->vdd_reg); for (i = 0; i < n_voltages; i++) { reg_uV = regulator_list_voltage(td->vdd_reg, i); if (reg_uV < 0) break; - if (uV == reg_uV) + reg_volt_id = reg_uV / td->soc->alignment.step_uv; + + if (align_step == reg_volt_id) return i; } @@ -1381,15 +1560,21 @@ static int find_vdd_map_entry_exact(struct tegra_dfll *td, int uV) * */ static int find_vdd_map_entry_min(struct tegra_dfll *td, int uV) { - int i, n_voltages, reg_uV; + int i, n_voltages, reg_uV, reg_volt_id, align_step; + + if (WARN_ON(td->pmu_if == TEGRA_DFLL_PMU_PWM)) + return -EINVAL; + align_step = uV / td->soc->alignment.step_uv; n_voltages = regulator_count_voltages(td->vdd_reg); for (i = 0; i < n_voltages; i++) { reg_uV = regulator_list_voltage(td->vdd_reg, i); if (reg_uV < 0) break; - if (uV <= reg_uV) + reg_volt_id = reg_uV / td->soc->alignment.step_uv; + + if (align_step <= reg_volt_id) return i; } @@ -1397,9 +1582,61 @@ static int find_vdd_map_entry_min(struct tegra_dfll *td, int uV) return -EINVAL; } +/* + * dfll_build_pwm_lut - build the PWM regulator lookup table + * @td: DFLL instance + * @v_max: Vmax from OPP table + * + * Look-up table in h/w is ignored when PWM is used as DFLL interface to PMIC. + * In this case closed loop output is controlling duty cycle directly. The s/w + * look-up that maps PWM duty cycle to voltage is still built by this function. + */ +static int dfll_build_pwm_lut(struct tegra_dfll *td, unsigned long v_max) +{ + int i; + unsigned long rate, reg_volt; + u8 lut_bottom = MAX_DFLL_VOLTAGES; + int v_min = td->soc->cvb->min_millivolts * 1000; + + for (i = 0; i < MAX_DFLL_VOLTAGES; i++) { + reg_volt = td->lut_uv[i]; + + /* since opp voltage is exact mv */ + reg_volt = (reg_volt / 1000) * 1000; + if (reg_volt > v_max) + break; + + td->lut[i] = i; + if ((lut_bottom == MAX_DFLL_VOLTAGES) && (reg_volt >= v_min)) + lut_bottom = i; + } + + /* determine voltage boundaries */ + td->lut_size = i; + if ((lut_bottom == MAX_DFLL_VOLTAGES) || + (lut_bottom + 1 >= td->lut_size)) { + dev_err(td->dev, "no voltage above DFLL minimum %d mV\n", + td->soc->cvb->min_millivolts); + return -EINVAL; + } + td->lut_bottom = lut_bottom; + + /* determine rate boundaries */ + rate = get_dvco_rate_below(td, td->lut_bottom); + if (!rate) { + dev_err(td->dev, "no opp below DFLL minimum voltage %d mV\n", + td->soc->cvb->min_millivolts); + return -EINVAL; + } + td->dvco_rate_min = rate; + + return 0; +} + /** * dfll_build_i2c_lut - build the I2C voltage register lookup table * @td: DFLL instance + * @v_max: Vmax from OPP table * * The DFLL hardware has 33 bytes of look-up table RAM that must be filled with * PMIC voltage register values that span the entire DFLL operating range. @@ -1407,33 +1644,24 @@ static int find_vdd_map_entry_min(struct tegra_dfll *td, int uV) * the soc-specific platform driver (td->soc->opp_dev) and the PMIC * register-to-voltage mapping queried from the regulator framework. * - * On success, fills in td->i2c_lut and returns 0, or -err on failure. + * On success, fills in td->lut and returns 0, or -err on failure. */ -static int dfll_build_i2c_lut(struct tegra_dfll *td) +static int dfll_build_i2c_lut(struct tegra_dfll *td, unsigned long v_max) { + unsigned long rate, v, v_opp; int ret = -EINVAL; - int j, v, v_max, v_opp; - int selector; - unsigned long rate; - struct dev_pm_opp *opp; - int lut; - - rate = ULONG_MAX; - opp = dev_pm_opp_find_freq_floor(td->soc->dev, &rate); - if (IS_ERR(opp)) { - dev_err(td->dev, "couldn't get vmax opp, empty opp table?\n"); - goto out; - } - v_max = dev_pm_opp_get_voltage(opp); - dev_pm_opp_put(opp); + int j, selector, lut; v = td->soc->cvb->min_millivolts * 1000; lut = find_vdd_map_entry_exact(td, v); if (lut < 0) goto out; - td->i2c_lut[0] = lut; + td->lut[0] = lut; + td->lut_bottom = 0; for (j = 1, rate = 0; ; rate++) { + struct dev_pm_opp *opp; + opp = dev_pm_opp_find_freq_ceil(td->soc->dev, &rate); if (IS_ERR(opp)) break; @@ -1445,39 +1673,64 @@ static int dfll_build_i2c_lut(struct tegra_dfll *td) dev_pm_opp_put(opp); for (;;) { - v += max(1, (v_max - v) / (MAX_DFLL_VOLTAGES - j)); + v += max(1UL, (v_max - v) / (MAX_DFLL_VOLTAGES - j)); if (v >= v_opp) break; selector = find_vdd_map_entry_min(td, v); if (selector < 0) goto out; - if (selector != td->i2c_lut[j - 1]) - td->i2c_lut[j++] = selector; + if (selector != td->lut[j - 1]) + td->lut[j++] = selector; } v = (j == MAX_DFLL_VOLTAGES - 1) ? v_max : v_opp; selector = find_vdd_map_entry_exact(td, v); if (selector < 0) goto out; - if (selector != td->i2c_lut[j - 1]) - td->i2c_lut[j++] = selector; + if (selector != td->lut[j - 1]) + td->lut[j++] = selector; if (v >= v_max) break; } - td->i2c_lut_size = j; + td->lut_size = j; if (!td->dvco_rate_min) dev_err(td->dev, "no opp above DFLL minimum voltage %d mV\n", td->soc->cvb->min_millivolts); - else + else { ret = 0; + for (j = 0; j < td->lut_size; j++) + td->lut_uv[j] = + regulator_list_voltage(td->vdd_reg, + td->lut[j]); + } out: return ret; } +static int dfll_build_lut(struct tegra_dfll *td) +{ + unsigned long rate, v_max; + struct dev_pm_opp *opp; + + rate = ULONG_MAX; + opp = dev_pm_opp_find_freq_floor(td->soc->dev, &rate); + if (IS_ERR(opp)) { + dev_err(td->dev, "couldn't get vmax opp, empty opp table?\n"); + return -EINVAL; + } + v_max = dev_pm_opp_get_voltage(opp); + dev_pm_opp_put(opp); + + if (td->pmu_if == TEGRA_DFLL_PMU_PWM) + return dfll_build_pwm_lut(td, v_max); + else + return dfll_build_i2c_lut(td, v_max); +} + /** * read_dt_param - helper function for reading required parameters from the DT * @td: DFLL instance @@ -1536,11 +1789,56 @@ static int dfll_fetch_i2c_params(struct tegra_dfll *td) } td->i2c_reg = vsel_reg; - ret = dfll_build_i2c_lut(td); - if (ret) { - dev_err(td->dev, "couldn't build I2C LUT\n"); + return 0; +} + +static int dfll_fetch_pwm_params(struct tegra_dfll *td) +{ + int ret, i; + u32 pwm_period; + + if (!td->soc->alignment.step_uv || !td->soc->alignment.offset_uv) { + dev_err(td->dev, + "Missing step or alignment info for PWM regulator"); + return -EINVAL; + } + for (i = 0; i < MAX_DFLL_VOLTAGES; i++) + td->lut_uv[i] = td->soc->alignment.offset_uv + + i * td->soc->alignment.step_uv; + + ret = read_dt_param(td, "nvidia,pwm-tristate-microvolts", + &td->reg_init_uV); + if (!ret) { + dev_err(td->dev, "couldn't get initialized voltage\n"); + return ret; + } + + ret = read_dt_param(td, "nvidia,pwm-period-nanoseconds", &pwm_period); + if (!ret) { + dev_err(td->dev, "couldn't get PWM period\n"); return ret; } + td->pwm_rate = (NSEC_PER_SEC / pwm_period) * (MAX_DFLL_VOLTAGES - 1); + + td->pwm_pin = devm_pinctrl_get(td->dev); + if (IS_ERR(td->pwm_pin)) { + dev_err(td->dev, "DT: missing pinctrl device\n"); + return PTR_ERR(td->pwm_pin); + } + + td->pwm_enable_state = pinctrl_lookup_state(td->pwm_pin, + "dvfs_pwm_enable"); + if (IS_ERR(td->pwm_enable_state)) { + dev_err(td->dev, "DT: missing pwm enabled state\n"); + return PTR_ERR(td->pwm_enable_state); + } + + td->pwm_disable_state = pinctrl_lookup_state(td->pwm_pin, + "dvfs_pwm_disable"); + if (IS_ERR(td->pwm_disable_state)) { + dev_err(td->dev, "DT: missing pwm disabled state\n"); + return PTR_ERR(td->pwm_disable_state); + } return 0; } @@ -1607,16 +1905,6 @@ int tegra_dfll_register(struct platform_device *pdev, td->soc = soc; - td->vdd_reg = devm_regulator_get(td->dev, "vdd-cpu"); - if (IS_ERR(td->vdd_reg)) { - ret = PTR_ERR(td->vdd_reg); - if (ret != -EPROBE_DEFER) - dev_err(td->dev, "couldn't get vdd_cpu regulator: %d\n", - ret); - - return ret; - } - td->dvco_rst = devm_reset_control_get(td->dev, "dvco"); if (IS_ERR(td->dvco_rst)) { dev_err(td->dev, "couldn't get dvco reset\n"); @@ -1629,10 +1917,27 @@ int tegra_dfll_register(struct platform_device *pdev, return ret; } - ret = dfll_fetch_i2c_params(td); + if (of_property_read_bool(td->dev->of_node, "nvidia,pwm-to-pmic")) { + td->pmu_if = TEGRA_DFLL_PMU_PWM; + ret = dfll_fetch_pwm_params(td); + } else { + td->vdd_reg = devm_regulator_get(td->dev, "vdd-cpu"); + if (IS_ERR(td->vdd_reg)) { + dev_err(td->dev, "couldn't get vdd_cpu regulator\n"); + return PTR_ERR(td->vdd_reg); + } + td->pmu_if = TEGRA_DFLL_PMU_I2C; + ret = dfll_fetch_i2c_params(td); + } if (ret) return ret; + ret = dfll_build_lut(td); + if (ret) { + dev_err(td->dev, "couldn't build LUT\n"); + return ret; + } + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!mem) { dev_err(td->dev, "no control register resource\n"); diff --git a/drivers/clk/tegra/clk-dfll.h b/drivers/clk/tegra/clk-dfll.h index 83352c8078f2..85d0d95223f3 100644 --- a/drivers/clk/tegra/clk-dfll.h +++ b/drivers/clk/tegra/clk-dfll.h @@ -1,6 +1,6 @@ /* * clk-dfll.h - prototypes and macros for the Tegra DFLL clocksource driver - * Copyright (C) 2013 NVIDIA Corporation. All rights reserved. + * Copyright (C) 2013-2019 NVIDIA Corporation. All rights reserved. * * Aleksandr Frid <afrid@nvidia.com> * Paul Walmsley <pwalmsley@nvidia.com> @@ -22,11 +22,14 @@ #include <linux/reset.h> #include <linux/types.h> +#include "cvb.h" + /** * struct tegra_dfll_soc_data - SoC-specific hooks/integration for the DFLL driver * @dev: struct device * that holds the OPP table for the DFLL * @max_freq: maximum frequency supported on this SoC * @cvb: CPU frequency table for this SoC + * @alignment: parameters of the regulator step and offset * @init_clock_trimmers: callback to initialize clock trimmers * @set_clock_trimmers_high: callback to tune clock trimmers for high voltage * @set_clock_trimmers_low: callback to tune clock trimmers for low voltage @@ -35,6 +38,7 @@ struct tegra_dfll_soc_data { struct device *dev; unsigned long max_freq; const struct cvb_table *cvb; + struct rail_alignment alignment; void (*init_clock_trimmers)(void); void (*set_clock_trimmers_high)(void); diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index 830d1c87fa7c..b50b7460014b 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -590,12 +590,13 @@ static int _calc_rate(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg, cfg->n = cfg->output_rate / cfreq; cfg->cpcon = OUT_OF_TABLE_CPCON; - if (cfg->m > divm_max(pll) || cfg->n > divn_max(pll) || - (1 << p_div) > divp_max(pll) - || cfg->output_rate > pll->params->vco_max) { + if (cfg->m == 0 || cfg->m > divm_max(pll) || + cfg->n > divn_max(pll) || (1 << p_div) > divp_max(pll) || + cfg->output_rate > pll->params->vco_max) { return -EINVAL; } + cfg->output_rate = cfg->n * DIV_ROUND_UP(parent_rate, cfg->m); cfg->output_rate >>= p_div; if (pll->params->pdiv_tohw) { diff --git a/drivers/clk/tegra/clk-tegra-audio.c b/drivers/clk/tegra/clk-tegra-audio.c index b37cae7af26d..02dd6487d855 100644 --- a/drivers/clk/tegra/clk-tegra-audio.c +++ b/drivers/clk/tegra/clk-tegra-audio.c @@ -49,8 +49,6 @@ struct tegra_sync_source_initdata { #define SYNC(_name) \ {\ .name = #_name,\ - .rate = 24000000,\ - .max_rate = 24000000,\ .clk_id = tegra_clk_ ## _name,\ } @@ -176,7 +174,7 @@ static void __init tegra_audio_sync_clk_init(void __iomem *clk_base, void __init tegra_audio_clk_init(void __iomem *clk_base, void __iomem *pmc_base, struct tegra_clk *tegra_clks, struct tegra_audio_clk_info *audio_info, - unsigned int num_plls) + unsigned int num_plls, unsigned long sync_max_rate) { struct clk *clk; struct clk **dt_clk; @@ -221,8 +219,7 @@ void __init tegra_audio_clk_init(void __iomem *clk_base, if (!dt_clk) continue; - clk = tegra_clk_register_sync_source(data->name, - data->rate, data->max_rate); + clk = tegra_clk_register_sync_source(data->name, sync_max_rate); *dt_clk = clk; } diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c index 38c4eb28c8bf..cc5275ec2c01 100644 --- a/drivers/clk/tegra/clk-tegra-periph.c +++ b/drivers/clk/tegra/clk-tegra-periph.c @@ -79,7 +79,6 @@ #define CLK_SOURCE_3D 0x158 #define CLK_SOURCE_2D 0x15c #define CLK_SOURCE_MPE 0x170 -#define CLK_SOURCE_UARTE 0x1c4 #define CLK_SOURCE_VI_SENSOR 0x1a8 #define CLK_SOURCE_VI 0x148 #define CLK_SOURCE_EPP 0x16c @@ -117,8 +116,6 @@ #define CLK_SOURCE_ISP 0x144 #define CLK_SOURCE_SOR0 0x414 #define CLK_SOURCE_DPAUX 0x418 -#define CLK_SOURCE_SATA_OOB 0x420 -#define CLK_SOURCE_SATA 0x424 #define CLK_SOURCE_ENTROPY 0x628 #define CLK_SOURCE_VI_SENSOR2 0x658 #define CLK_SOURCE_HDMI_AUDIO 0x668 diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c index 1824f014202b..625d11091330 100644 --- a/drivers/clk/tegra/clk-tegra114.c +++ b/drivers/clk/tegra/clk-tegra114.c @@ -1190,6 +1190,13 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA114_CLK_XUSB_FALCON_SRC, TEGRA114_CLK_PLL_P, 204000000, 0 }, { TEGRA114_CLK_XUSB_HOST_SRC, TEGRA114_CLK_PLL_P, 102000000, 0 }, { TEGRA114_CLK_VDE, TEGRA114_CLK_CLK_MAX, 600000000, 0 }, + { TEGRA114_CLK_SPDIF_IN_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_I2S0_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_I2S1_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_I2S2_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_I2S3_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_I2S4_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_VIMCLK_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, /* must be the last entry */ { TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_CLK_MAX, 0, 0 }, }; @@ -1362,7 +1369,7 @@ static void __init tegra114_clock_init(struct device_node *np) tegra114_periph_clk_init(clk_base, pmc_base); tegra_audio_clk_init(clk_base, pmc_base, tegra114_clks, tegra114_audio_plls, - ARRAY_SIZE(tegra114_audio_plls)); + ARRAY_SIZE(tegra114_audio_plls), 24000000); tegra_pmc_clk_init(pmc_base, tegra114_clks); tegra_super_clk_gen4_init(clk_base, pmc_base, tegra114_clks, &pll_x_params); diff --git a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c index 269d3595758b..e8ec42bf8638 100644 --- a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c +++ b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c @@ -1,7 +1,7 @@ /* * Tegra124 DFLL FCPU clock source driver * - * Copyright (C) 2012-2014 NVIDIA Corporation. All rights reserved. + * Copyright (C) 2012-2019 NVIDIA Corporation. All rights reserved. * * Aleksandr Frid <afrid@nvidia.com> * Paul Walmsley <pwalmsley@nvidia.com> @@ -21,15 +21,24 @@ #include <linux/err.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/of_device.h> #include <linux/platform_device.h> +#include <linux/regulator/consumer.h> #include <soc/tegra/fuse.h> #include "clk.h" #include "clk-dfll.h" #include "cvb.h" +struct dfll_fcpu_data { + const unsigned long *cpu_max_freq_table; + unsigned int cpu_max_freq_table_size; + const struct cvb_table *cpu_cvb_tables; + unsigned int cpu_cvb_tables_size; +}; + /* Maximum CPU frequency, indexed by CPU speedo id */ -static const unsigned long cpu_max_freq_table[] = { +static const unsigned long tegra124_cpu_max_freq_table[] = { [0] = 2014500000UL, [1] = 2320500000UL, [2] = 2116500000UL, @@ -42,9 +51,6 @@ static const struct cvb_table tegra124_cpu_cvb_tables[] = { .process_id = -1, .min_millivolts = 900, .max_millivolts = 1260, - .alignment = { - .step_uv = 10000, /* 10mV */ - }, .speedo_scale = 100, .voltage_scale = 1000, .entries = { @@ -82,16 +88,493 @@ static const struct cvb_table tegra124_cpu_cvb_tables[] = { }, }; +static const unsigned long tegra210_cpu_max_freq_table[] = { + [0] = 1912500000UL, + [1] = 1912500000UL, + [2] = 2218500000UL, + [3] = 1785000000UL, + [4] = 1632000000UL, + [5] = 1912500000UL, + [6] = 2014500000UL, + [7] = 1734000000UL, + [8] = 1683000000UL, + [9] = 1555500000UL, + [10] = 1504500000UL, +}; + +#define CPU_CVB_TABLE \ + .speedo_scale = 100, \ + .voltage_scale = 1000, \ + .entries = { \ + { 204000000UL, { 1007452, -23865, 370 } }, \ + { 306000000UL, { 1052709, -24875, 370 } }, \ + { 408000000UL, { 1099069, -25895, 370 } }, \ + { 510000000UL, { 1146534, -26905, 370 } }, \ + { 612000000UL, { 1195102, -27915, 370 } }, \ + { 714000000UL, { 1244773, -28925, 370 } }, \ + { 816000000UL, { 1295549, -29935, 370 } }, \ + { 918000000UL, { 1347428, -30955, 370 } }, \ + { 1020000000UL, { 1400411, -31965, 370 } }, \ + { 1122000000UL, { 1454497, -32975, 370 } }, \ + { 1224000000UL, { 1509687, -33985, 370 } }, \ + { 1326000000UL, { 1565981, -35005, 370 } }, \ + { 1428000000UL, { 1623379, -36015, 370 } }, \ + { 1530000000UL, { 1681880, -37025, 370 } }, \ + { 1632000000UL, { 1741485, -38035, 370 } }, \ + { 1734000000UL, { 1802194, -39055, 370 } }, \ + { 1836000000UL, { 1864006, -40065, 370 } }, \ + { 1912500000UL, { 1910780, -40815, 370 } }, \ + { 2014500000UL, { 1227000, 0, 0 } }, \ + { 2218500000UL, { 1227000, 0, 0 } }, \ + { 0UL, { 0, 0, 0 } }, \ + } + +#define CPU_CVB_TABLE_XA \ + .speedo_scale = 100, \ + .voltage_scale = 1000, \ + .entries = { \ + { 204000000UL, { 1250024, -39785, 565 } }, \ + { 306000000UL, { 1297556, -41145, 565 } }, \ + { 408000000UL, { 1346718, -42505, 565 } }, \ + { 510000000UL, { 1397511, -43855, 565 } }, \ + { 612000000UL, { 1449933, -45215, 565 } }, \ + { 714000000UL, { 1503986, -46575, 565 } }, \ + { 816000000UL, { 1559669, -47935, 565 } }, \ + { 918000000UL, { 1616982, -49295, 565 } }, \ + { 1020000000UL, { 1675926, -50645, 565 } }, \ + { 1122000000UL, { 1736500, -52005, 565 } }, \ + { 1224000000UL, { 1798704, -53365, 565 } }, \ + { 1326000000UL, { 1862538, -54725, 565 } }, \ + { 1428000000UL, { 1928003, -56085, 565 } }, \ + { 1530000000UL, { 1995097, -57435, 565 } }, \ + { 1606500000UL, { 2046149, -58445, 565 } }, \ + { 1632000000UL, { 2063822, -58795, 565 } }, \ + { 0UL, { 0, 0, 0 } }, \ + } + +#define CPU_CVB_TABLE_EUCM1 \ + .speedo_scale = 100, \ + .voltage_scale = 1000, \ + .entries = { \ + { 204000000UL, { 734429, 0, 0 } }, \ + { 306000000UL, { 768191, 0, 0 } }, \ + { 408000000UL, { 801953, 0, 0 } }, \ + { 510000000UL, { 835715, 0, 0 } }, \ + { 612000000UL, { 869477, 0, 0 } }, \ + { 714000000UL, { 903239, 0, 0 } }, \ + { 816000000UL, { 937001, 0, 0 } }, \ + { 918000000UL, { 970763, 0, 0 } }, \ + { 1020000000UL, { 1004525, 0, 0 } }, \ + { 1122000000UL, { 1038287, 0, 0 } }, \ + { 1224000000UL, { 1072049, 0, 0 } }, \ + { 1326000000UL, { 1105811, 0, 0 } }, \ + { 1428000000UL, { 1130000, 0, 0 } }, \ + { 1555500000UL, { 1130000, 0, 0 } }, \ + { 1632000000UL, { 1170000, 0, 0 } }, \ + { 1734000000UL, { 1227500, 0, 0 } }, \ + { 0UL, { 0, 0, 0 } }, \ + } + +#define CPU_CVB_TABLE_EUCM2 \ + .speedo_scale = 100, \ + .voltage_scale = 1000, \ + .entries = { \ + { 204000000UL, { 742283, 0, 0 } }, \ + { 306000000UL, { 776249, 0, 0 } }, \ + { 408000000UL, { 810215, 0, 0 } }, \ + { 510000000UL, { 844181, 0, 0 } }, \ + { 612000000UL, { 878147, 0, 0 } }, \ + { 714000000UL, { 912113, 0, 0 } }, \ + { 816000000UL, { 946079, 0, 0 } }, \ + { 918000000UL, { 980045, 0, 0 } }, \ + { 1020000000UL, { 1014011, 0, 0 } }, \ + { 1122000000UL, { 1047977, 0, 0 } }, \ + { 1224000000UL, { 1081943, 0, 0 } }, \ + { 1326000000UL, { 1090000, 0, 0 } }, \ + { 1479000000UL, { 1090000, 0, 0 } }, \ + { 1555500000UL, { 1162000, 0, 0 } }, \ + { 1683000000UL, { 1195000, 0, 0 } }, \ + { 0UL, { 0, 0, 0 } }, \ + } + +#define CPU_CVB_TABLE_EUCM2_JOINT_RAIL \ + .speedo_scale = 100, \ + .voltage_scale = 1000, \ + .entries = { \ + { 204000000UL, { 742283, 0, 0 } }, \ + { 306000000UL, { 776249, 0, 0 } }, \ + { 408000000UL, { 810215, 0, 0 } }, \ + { 510000000UL, { 844181, 0, 0 } }, \ + { 612000000UL, { 878147, 0, 0 } }, \ + { 714000000UL, { 912113, 0, 0 } }, \ + { 816000000UL, { 946079, 0, 0 } }, \ + { 918000000UL, { 980045, 0, 0 } }, \ + { 1020000000UL, { 1014011, 0, 0 } }, \ + { 1122000000UL, { 1047977, 0, 0 } }, \ + { 1224000000UL, { 1081943, 0, 0 } }, \ + { 1326000000UL, { 1090000, 0, 0 } }, \ + { 1479000000UL, { 1090000, 0, 0 } }, \ + { 1504500000UL, { 1120000, 0, 0 } }, \ + { 0UL, { 0, 0, 0 } }, \ + } + +#define CPU_CVB_TABLE_ODN \ + .speedo_scale = 100, \ + .voltage_scale = 1000, \ + .entries = { \ + { 204000000UL, { 721094, 0, 0 } }, \ + { 306000000UL, { 754040, 0, 0 } }, \ + { 408000000UL, { 786986, 0, 0 } }, \ + { 510000000UL, { 819932, 0, 0 } }, \ + { 612000000UL, { 852878, 0, 0 } }, \ + { 714000000UL, { 885824, 0, 0 } }, \ + { 816000000UL, { 918770, 0, 0 } }, \ + { 918000000UL, { 915716, 0, 0 } }, \ + { 1020000000UL, { 984662, 0, 0 } }, \ + { 1122000000UL, { 1017608, 0, 0 } }, \ + { 1224000000UL, { 1050554, 0, 0 } }, \ + { 1326000000UL, { 1083500, 0, 0 } }, \ + { 1428000000UL, { 1116446, 0, 0 } }, \ + { 1581000000UL, { 1130000, 0, 0 } }, \ + { 1683000000UL, { 1168000, 0, 0 } }, \ + { 1785000000UL, { 1227500, 0, 0 } }, \ + { 0UL, { 0, 0, 0 } }, \ + } + +static struct cvb_table tegra210_cpu_cvb_tables[] = { + { + .speedo_id = 10, + .process_id = 0, + .min_millivolts = 840, + .max_millivolts = 1120, + CPU_CVB_TABLE_EUCM2_JOINT_RAIL, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + .tune_high_min_millivolts = 864, + } + }, + { + .speedo_id = 10, + .process_id = 1, + .min_millivolts = 840, + .max_millivolts = 1120, + CPU_CVB_TABLE_EUCM2_JOINT_RAIL, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + .tune_high_min_millivolts = 864, + } + }, + { + .speedo_id = 9, + .process_id = 0, + .min_millivolts = 900, + .max_millivolts = 1162, + CPU_CVB_TABLE_EUCM2, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + } + }, + { + .speedo_id = 9, + .process_id = 1, + .min_millivolts = 900, + .max_millivolts = 1162, + CPU_CVB_TABLE_EUCM2, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + } + }, + { + .speedo_id = 8, + .process_id = 0, + .min_millivolts = 900, + .max_millivolts = 1195, + CPU_CVB_TABLE_EUCM2, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + } + }, + { + .speedo_id = 8, + .process_id = 1, + .min_millivolts = 900, + .max_millivolts = 1195, + CPU_CVB_TABLE_EUCM2, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + } + }, + { + .speedo_id = 7, + .process_id = 0, + .min_millivolts = 841, + .max_millivolts = 1227, + CPU_CVB_TABLE_EUCM1, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + .tune_high_min_millivolts = 864, + } + }, + { + .speedo_id = 7, + .process_id = 1, + .min_millivolts = 841, + .max_millivolts = 1227, + CPU_CVB_TABLE_EUCM1, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + .tune_high_min_millivolts = 864, + } + }, + { + .speedo_id = 6, + .process_id = 0, + .min_millivolts = 870, + .max_millivolts = 1150, + CPU_CVB_TABLE, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune1 = 0x20091d9, + } + }, + { + .speedo_id = 6, + .process_id = 1, + .min_millivolts = 870, + .max_millivolts = 1150, + CPU_CVB_TABLE, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune1 = 0x25501d0, + } + }, + { + .speedo_id = 5, + .process_id = 0, + .min_millivolts = 818, + .max_millivolts = 1227, + CPU_CVB_TABLE, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + .tune_high_min_millivolts = 864, + } + }, + { + .speedo_id = 5, + .process_id = 1, + .min_millivolts = 818, + .max_millivolts = 1227, + CPU_CVB_TABLE, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x25501d0, + .tune_high_min_millivolts = 864, + } + }, + { + .speedo_id = 4, + .process_id = -1, + .min_millivolts = 918, + .max_millivolts = 1113, + CPU_CVB_TABLE_XA, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune1 = 0x17711BD, + } + }, + { + .speedo_id = 3, + .process_id = 0, + .min_millivolts = 825, + .max_millivolts = 1227, + CPU_CVB_TABLE_ODN, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + .tune_high_min_millivolts = 864, + } + }, + { + .speedo_id = 3, + .process_id = 1, + .min_millivolts = 825, + .max_millivolts = 1227, + CPU_CVB_TABLE_ODN, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x25501d0, + .tune_high_min_millivolts = 864, + } + }, + { + .speedo_id = 2, + .process_id = 0, + .min_millivolts = 870, + .max_millivolts = 1227, + CPU_CVB_TABLE, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune1 = 0x20091d9, + } + }, + { + .speedo_id = 2, + .process_id = 1, + .min_millivolts = 870, + .max_millivolts = 1227, + CPU_CVB_TABLE, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune1 = 0x25501d0, + } + }, + { + .speedo_id = 1, + .process_id = 0, + .min_millivolts = 837, + .max_millivolts = 1227, + CPU_CVB_TABLE, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + .tune_high_min_millivolts = 864, + } + }, + { + .speedo_id = 1, + .process_id = 1, + .min_millivolts = 837, + .max_millivolts = 1227, + CPU_CVB_TABLE, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x25501d0, + .tune_high_min_millivolts = 864, + } + }, + { + .speedo_id = 0, + .process_id = 0, + .min_millivolts = 850, + .max_millivolts = 1170, + CPU_CVB_TABLE, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x20091d9, + .tune_high_min_millivolts = 864, + } + }, + { + .speedo_id = 0, + .process_id = 1, + .min_millivolts = 850, + .max_millivolts = 1170, + CPU_CVB_TABLE, + .cpu_dfll_data = { + .tune0_low = 0xffead0ff, + .tune0_high = 0xffead0ff, + .tune1 = 0x25501d0, + .tune_high_min_millivolts = 864, + } + }, +}; + +static const struct dfll_fcpu_data tegra124_dfll_fcpu_data = { + .cpu_max_freq_table = tegra124_cpu_max_freq_table, + .cpu_max_freq_table_size = ARRAY_SIZE(tegra124_cpu_max_freq_table), + .cpu_cvb_tables = tegra124_cpu_cvb_tables, + .cpu_cvb_tables_size = ARRAY_SIZE(tegra124_cpu_cvb_tables) +}; + +static const struct dfll_fcpu_data tegra210_dfll_fcpu_data = { + .cpu_max_freq_table = tegra210_cpu_max_freq_table, + .cpu_max_freq_table_size = ARRAY_SIZE(tegra210_cpu_max_freq_table), + .cpu_cvb_tables = tegra210_cpu_cvb_tables, + .cpu_cvb_tables_size = ARRAY_SIZE(tegra210_cpu_cvb_tables), +}; + +static const struct of_device_id tegra124_dfll_fcpu_of_match[] = { + { + .compatible = "nvidia,tegra124-dfll", + .data = &tegra124_dfll_fcpu_data, + }, + { + .compatible = "nvidia,tegra210-dfll", + .data = &tegra210_dfll_fcpu_data + }, + { }, +}; + +static void get_alignment_from_dt(struct device *dev, + struct rail_alignment *align) +{ + if (of_property_read_u32(dev->of_node, + "nvidia,pwm-voltage-step-microvolts", + &align->step_uv)) + align->step_uv = 0; + + if (of_property_read_u32(dev->of_node, + "nvidia,pwm-min-microvolts", + &align->offset_uv)) + align->offset_uv = 0; +} + +static int get_alignment_from_regulator(struct device *dev, + struct rail_alignment *align) +{ + struct regulator *reg = devm_regulator_get(dev, "vdd-cpu"); + + if (IS_ERR(reg)) + return PTR_ERR(reg); + + align->offset_uv = regulator_list_voltage(reg, 0); + align->step_uv = regulator_get_linear_step(reg); + + devm_regulator_put(reg); + + return 0; +} + static int tegra124_dfll_fcpu_probe(struct platform_device *pdev) { int process_id, speedo_id, speedo_value, err; struct tegra_dfll_soc_data *soc; + const struct dfll_fcpu_data *fcpu_data; + struct rail_alignment align; + + fcpu_data = of_device_get_match_data(&pdev->dev); + if (!fcpu_data) + return -ENODEV; process_id = tegra_sku_info.cpu_process_id; speedo_id = tegra_sku_info.cpu_speedo_id; speedo_value = tegra_sku_info.cpu_speedo_value; - if (speedo_id >= ARRAY_SIZE(cpu_max_freq_table)) { + if (speedo_id >= fcpu_data->cpu_max_freq_table_size) { dev_err(&pdev->dev, "unknown max CPU freq for speedo_id=%d\n", speedo_id); return -ENODEV; @@ -107,12 +590,22 @@ static int tegra124_dfll_fcpu_probe(struct platform_device *pdev) return -ENODEV; } - soc->max_freq = cpu_max_freq_table[speedo_id]; + if (of_property_read_bool(pdev->dev.of_node, "nvidia,pwm-to-pmic")) { + get_alignment_from_dt(&pdev->dev, &align); + } else { + err = get_alignment_from_regulator(&pdev->dev, &align); + if (err) + return err; + } + + soc->max_freq = fcpu_data->cpu_max_freq_table[speedo_id]; + + soc->cvb = tegra_cvb_add_opp_table(soc->dev, fcpu_data->cpu_cvb_tables, + fcpu_data->cpu_cvb_tables_size, + &align, process_id, speedo_id, + speedo_value, soc->max_freq); + soc->alignment = align; - soc->cvb = tegra_cvb_add_opp_table(soc->dev, tegra124_cpu_cvb_tables, - ARRAY_SIZE(tegra124_cpu_cvb_tables), - process_id, speedo_id, speedo_value, - soc->max_freq); if (IS_ERR(soc->cvb)) { dev_err(&pdev->dev, "couldn't add OPP table: %ld\n", PTR_ERR(soc->cvb)); @@ -133,20 +626,17 @@ static int tegra124_dfll_fcpu_remove(struct platform_device *pdev) struct tegra_dfll_soc_data *soc; soc = tegra_dfll_unregister(pdev); - if (IS_ERR(soc)) + if (IS_ERR(soc)) { dev_err(&pdev->dev, "failed to unregister DFLL: %ld\n", PTR_ERR(soc)); + return PTR_ERR(soc); + } tegra_cvb_remove_opp_table(soc->dev, soc->cvb, soc->max_freq); return 0; } -static const struct of_device_id tegra124_dfll_fcpu_of_match[] = { - { .compatible = "nvidia,tegra124-dfll", }, - { }, -}; - static const struct dev_pm_ops tegra124_dfll_pm_ops = { SET_RUNTIME_PM_OPS(tegra_dfll_runtime_suspend, tegra_dfll_runtime_resume, NULL) diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c index b6cf28ca2ed2..df0018f7bf7e 100644 --- a/drivers/clk/tegra/clk-tegra124.c +++ b/drivers/clk/tegra/clk-tegra124.c @@ -1291,6 +1291,13 @@ static struct tegra_clk_init_table common_init_table[] __initdata = { { TEGRA124_CLK_CSITE, TEGRA124_CLK_CLK_MAX, 0, 1 }, { TEGRA124_CLK_TSENSOR, TEGRA124_CLK_CLK_M, 400000, 0 }, { TEGRA124_CLK_VIC03, TEGRA124_CLK_PLL_C3, 0, 0 }, + { TEGRA124_CLK_SPDIF_IN_SYNC, TEGRA124_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA124_CLK_I2S0_SYNC, TEGRA124_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA124_CLK_I2S1_SYNC, TEGRA124_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA124_CLK_I2S2_SYNC, TEGRA124_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA124_CLK_I2S3_SYNC, TEGRA124_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA124_CLK_I2S4_SYNC, TEGRA124_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA124_CLK_VIMCLK_SYNC, TEGRA124_CLK_CLK_MAX, 24576000, 0 }, /* must be the last entry */ { TEGRA124_CLK_CLK_MAX, TEGRA124_CLK_CLK_MAX, 0, 0 }, }; @@ -1455,7 +1462,7 @@ static void __init tegra124_132_clock_init_pre(struct device_node *np) tegra124_periph_clk_init(clk_base, pmc_base); tegra_audio_clk_init(clk_base, pmc_base, tegra124_clks, tegra124_audio_plls, - ARRAY_SIZE(tegra124_audio_plls)); + ARRAY_SIZE(tegra124_audio_plls), 24576000); tegra_pmc_clk_init(pmc_base, tegra124_clks); /* For Tegra124 & Tegra132, PLLD is the only source for DSIA & DSIB */ diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index cc857d4d4a86..c71b61162a32 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -578,7 +578,6 @@ static struct tegra_clk tegra20_clks[tegra_clk_max] __initdata = { [tegra_clk_afi] = { .dt_id = TEGRA20_CLK_AFI, .present = true }, [tegra_clk_fuse] = { .dt_id = TEGRA20_CLK_FUSE, .present = true }, [tegra_clk_kfuse] = { .dt_id = TEGRA20_CLK_KFUSE, .present = true }, - [tegra_clk_emc] = { .dt_id = TEGRA20_CLK_EMC, .present = true }, }; static unsigned long tegra20_clk_measure_input_freq(void) @@ -799,6 +798,41 @@ static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = { TEGRA_INIT_DATA_NODIV("disp2", mux_pllpdc_clkm, CLK_SOURCE_DISP2, 30, 2, 26, 0, TEGRA20_CLK_DISP2), }; +static void __init tegra20_emc_clk_init(void) +{ + const u32 use_pllm_ud = BIT(29); + struct clk *clk; + u32 emc_reg; + + clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, + ARRAY_SIZE(mux_pllmcp_clkm), + CLK_SET_RATE_NO_REPARENT, + clk_base + CLK_SOURCE_EMC, + 30, 2, 0, &emc_lock); + + clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, + &emc_lock); + clks[TEGRA20_CLK_MC] = clk; + + /* un-divided pll_m_out0 is currently unsupported */ + emc_reg = readl_relaxed(clk_base + CLK_SOURCE_EMC); + if (emc_reg & use_pllm_ud) { + pr_err("%s: un-divided PllM_out0 used as clock source\n", + __func__); + return; + } + + /* + * Note that 'emc_mux' source and 'emc' rate shouldn't be changed at + * the same time due to a HW bug, this won't happen because we're + * defining 'emc_mux' and 'emc' as distinct clocks. + */ + clk = tegra_clk_register_divider("emc", "emc_mux", + clk_base + CLK_SOURCE_EMC, CLK_IS_CRITICAL, + TEGRA_DIVIDER_INT, 0, 8, 1, &emc_lock); + clks[TEGRA20_CLK_EMC] = clk; +} + static void __init tegra20_periph_clk_init(void) { struct tegra_periph_init_data *data; @@ -812,15 +846,7 @@ static void __init tegra20_periph_clk_init(void) clks[TEGRA20_CLK_AC97] = clk; /* emc */ - clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, - ARRAY_SIZE(mux_pllmcp_clkm), - CLK_SET_RATE_NO_REPARENT, - clk_base + CLK_SOURCE_EMC, - 30, 2, 0, &emc_lock); - - clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, - &emc_lock); - clks[TEGRA20_CLK_MC] = clk; + tegra20_emc_clk_init(); /* dsi */ clk = tegra_clk_register_periph_gate("dsi", "pll_d", 0, clk_base, 0, diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index 88f1943bd2b5..7545af763d7a 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -3370,6 +3370,13 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 }, { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 }, { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 }, + { TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA210_CLK_I2S1_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA210_CLK_I2S2_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, + { TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 }, /* This MUST be the last entry. */ { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 }, }; @@ -3563,7 +3570,7 @@ static void __init tegra210_clock_init(struct device_node *np) tegra210_periph_clk_init(clk_base, pmc_base); tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks, tegra210_audio_plls, - ARRAY_SIZE(tegra210_audio_plls)); + ARRAY_SIZE(tegra210_audio_plls), 24576000); tegra_pmc_clk_init(pmc_base, tegra210_clks); /* For Tegra210, PLLD is the only source for DSIA & DSIB */ diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c index acfe661b2ae7..fa8d573ac626 100644 --- a/drivers/clk/tegra/clk-tegra30.c +++ b/drivers/clk/tegra/clk-tegra30.c @@ -1148,9 +1148,9 @@ static bool tegra30_cpu_rail_off_ready(void) cpu_rst_status = readl(clk_base + TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); - cpu_pwr_status = tegra_powergate_is_powered(TEGRA_POWERGATE_CPU1) || - tegra_powergate_is_powered(TEGRA_POWERGATE_CPU2) || - tegra_powergate_is_powered(TEGRA_POWERGATE_CPU3); + cpu_pwr_status = tegra_pmc_cpu_is_powered(1) || + tegra_pmc_cpu_is_powered(2) || + tegra_pmc_cpu_is_powered(3); if (((cpu_rst_status & 0xE) != 0xE) || cpu_pwr_status) return false; @@ -1267,6 +1267,13 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA30_CLK_GR3D2, TEGRA30_CLK_PLL_C, 300000000, 0 }, { TEGRA30_CLK_PLL_U, TEGRA30_CLK_CLK_MAX, 480000000, 0 }, { TEGRA30_CLK_VDE, TEGRA30_CLK_CLK_MAX, 600000000, 0 }, + { TEGRA30_CLK_SPDIF_IN_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA30_CLK_I2S0_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA30_CLK_I2S1_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA30_CLK_I2S2_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA30_CLK_I2S3_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA30_CLK_I2S4_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA30_CLK_VIMCLK_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 }, /* must be the last entry */ { TEGRA30_CLK_CLK_MAX, TEGRA30_CLK_CLK_MAX, 0, 0 }, }; @@ -1344,7 +1351,7 @@ static void __init tegra30_clock_init(struct device_node *np) tegra30_periph_clk_init(); tegra_audio_clk_init(clk_base, pmc_base, tegra30_clks, tegra30_audio_plls, - ARRAY_SIZE(tegra30_audio_plls)); + ARRAY_SIZE(tegra30_audio_plls), 24000000); tegra_pmc_clk_init(pmc_base, tegra30_clks); tegra_init_dup_clks(tegra_clk_duplicates, clks, TEGRA30_CLK_CLK_MAX); diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index d2c3a010f8e9..09bccbb9640c 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -41,7 +41,7 @@ extern const struct clk_ops tegra_clk_sync_source_ops; extern int *periph_clk_enb_refcnt; struct clk *tegra_clk_register_sync_source(const char *name, - unsigned long fixed_rate, unsigned long max_rate); + unsigned long max_rate); /** * struct tegra_clk_frac_div - fractional divider clock @@ -796,7 +796,7 @@ void tegra_register_devclks(struct tegra_devclk *dev_clks, int num); void tegra_audio_clk_init(void __iomem *clk_base, void __iomem *pmc_base, struct tegra_clk *tegra_clks, struct tegra_audio_clk_info *audio_info, - unsigned int num_plls); + unsigned int num_plls, unsigned long sync_max_rate); void tegra_periph_clk_init(void __iomem *clk_base, void __iomem *pmc_base, struct tegra_clk *tegra_clks, diff --git a/drivers/clk/tegra/cvb.c b/drivers/clk/tegra/cvb.c index da9e8e7b5ce5..35eeb6adc68e 100644 --- a/drivers/clk/tegra/cvb.c +++ b/drivers/clk/tegra/cvb.c @@ -1,7 +1,7 @@ /* * Utility functions for parsing Tegra CVB voltage tables * - * Copyright (C) 2012-2014 NVIDIA Corporation. All rights reserved. + * Copyright (C) 2012-2019 NVIDIA Corporation. All rights reserved. * * 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 @@ -62,9 +62,9 @@ static int round_voltage(int mv, const struct rail_alignment *align, int up) } static int build_opp_table(struct device *dev, const struct cvb_table *table, + struct rail_alignment *align, int speedo_value, unsigned long max_freq) { - const struct rail_alignment *align = &table->alignment; int i, ret, dfll_mv, min_mv, max_mv; min_mv = round_voltage(table->min_millivolts, align, UP); @@ -109,8 +109,9 @@ static int build_opp_table(struct device *dev, const struct cvb_table *table, */ const struct cvb_table * tegra_cvb_add_opp_table(struct device *dev, const struct cvb_table *tables, - size_t count, int process_id, int speedo_id, - int speedo_value, unsigned long max_freq) + size_t count, struct rail_alignment *align, + int process_id, int speedo_id, int speedo_value, + unsigned long max_freq) { size_t i; int ret; @@ -124,7 +125,8 @@ tegra_cvb_add_opp_table(struct device *dev, const struct cvb_table *tables, if (table->process_id != -1 && table->process_id != process_id) continue; - ret = build_opp_table(dev, table, speedo_value, max_freq); + ret = build_opp_table(dev, table, align, speedo_value, + max_freq); return ret ? ERR_PTR(ret) : table; } diff --git a/drivers/clk/tegra/cvb.h b/drivers/clk/tegra/cvb.h index c1f077993b2a..91a1941c21ef 100644 --- a/drivers/clk/tegra/cvb.h +++ b/drivers/clk/tegra/cvb.h @@ -41,6 +41,7 @@ struct cvb_cpu_dfll_data { u32 tune0_low; u32 tune0_high; u32 tune1; + unsigned int tune_high_min_millivolts; }; struct cvb_table { @@ -49,7 +50,6 @@ struct cvb_table { int min_millivolts; int max_millivolts; - struct rail_alignment alignment; int speedo_scale; int voltage_scale; @@ -59,8 +59,9 @@ struct cvb_table { const struct cvb_table * tegra_cvb_add_opp_table(struct device *dev, const struct cvb_table *cvb_tables, - size_t count, int process_id, int speedo_id, - int speedo_value, unsigned long max_freq); + size_t count, struct rail_alignment *align, + int process_id, int speedo_id, int speedo_value, + unsigned long max_freq); void tegra_cvb_remove_opp_table(struct device *dev, const struct cvb_table *table, unsigned long max_freq); |