| // SPDX-License-Identifier: GPL-2.0+ |
| // |
| // Copyright (c) 2012-2014 Samsung Electronics Co., Ltd |
| // http://www.samsung.com |
| |
| #include <linux/bug.h> |
| #include <linux/err.h> |
| #include <linux/gpio/consumer.h> |
| #include <linux/slab.h> |
| #include <linux/module.h> |
| #include <linux/of.h> |
| #include <linux/regmap.h> |
| #include <linux/platform_device.h> |
| #include <linux/regulator/driver.h> |
| #include <linux/regulator/machine.h> |
| #include <linux/regulator/of_regulator.h> |
| #include <linux/mfd/samsung/core.h> |
| #include <linux/mfd/samsung/s2mps11.h> |
| #include <linux/mfd/samsung/s2mps13.h> |
| #include <linux/mfd/samsung/s2mps14.h> |
| #include <linux/mfd/samsung/s2mps15.h> |
| #include <linux/mfd/samsung/s2mpu02.h> |
| |
| /* The highest number of possible regulators for supported devices. */ |
| #define S2MPS_REGULATOR_MAX S2MPS13_REGULATOR_MAX |
| struct s2mps11_info { |
| int ramp_delay2; |
| int ramp_delay34; |
| int ramp_delay5; |
| int ramp_delay16; |
| int ramp_delay7810; |
| int ramp_delay9; |
| |
| enum sec_device_type dev_type; |
| |
| /* |
| * One bit for each S2MPS11/S2MPS13/S2MPS14/S2MPU02 regulator whether |
| * the suspend mode was enabled. |
| */ |
| DECLARE_BITMAP(suspend_state, S2MPS_REGULATOR_MAX); |
| |
| /* |
| * Array (size: number of regulators) with GPIO-s for external |
| * sleep control. |
| */ |
| struct gpio_desc **ext_control_gpiod; |
| }; |
| |
| static int get_ramp_delay(int ramp_delay) |
| { |
| unsigned char cnt = 0; |
| |
| ramp_delay /= 6250; |
| |
| while (true) { |
| ramp_delay = ramp_delay >> 1; |
| if (ramp_delay == 0) |
| break; |
| cnt++; |
| } |
| |
| if (cnt > 3) |
| cnt = 3; |
| |
| return cnt; |
| } |
| |
| static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev, |
| unsigned int old_selector, |
| unsigned int new_selector) |
| { |
| struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); |
| int rdev_id = rdev_get_id(rdev); |
| unsigned int ramp_delay = 0; |
| int old_volt, new_volt; |
| |
| switch (rdev_id) { |
| case S2MPS11_BUCK2: |
| ramp_delay = s2mps11->ramp_delay2; |
| break; |
| case S2MPS11_BUCK3: |
| case S2MPS11_BUCK4: |
| ramp_delay = s2mps11->ramp_delay34; |
| break; |
| case S2MPS11_BUCK5: |
| ramp_delay = s2mps11->ramp_delay5; |
| break; |
| case S2MPS11_BUCK6: |
| case S2MPS11_BUCK1: |
| ramp_delay = s2mps11->ramp_delay16; |
| break; |
| case S2MPS11_BUCK7: |
| case S2MPS11_BUCK8: |
| case S2MPS11_BUCK10: |
| ramp_delay = s2mps11->ramp_delay7810; |
| break; |
| case S2MPS11_BUCK9: |
| ramp_delay = s2mps11->ramp_delay9; |
| } |
| |
| if (ramp_delay == 0) |
| ramp_delay = rdev->desc->ramp_delay; |
| |
| old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector); |
| new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector); |
| |
| return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay); |
| } |
| |
| static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) |
| { |
| struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); |
| unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK; |
| unsigned int ramp_enable = 1, enable_shift = 0; |
| int rdev_id = rdev_get_id(rdev); |
| int ret; |
| |
| switch (rdev_id) { |
| case S2MPS11_BUCK1: |
| if (ramp_delay > s2mps11->ramp_delay16) |
| s2mps11->ramp_delay16 = ramp_delay; |
| else |
| ramp_delay = s2mps11->ramp_delay16; |
| |
| ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; |
| break; |
| case S2MPS11_BUCK2: |
| enable_shift = S2MPS11_BUCK2_RAMP_EN_SHIFT; |
| if (!ramp_delay) { |
| ramp_enable = 0; |
| break; |
| } |
| |
| s2mps11->ramp_delay2 = ramp_delay; |
| ramp_shift = S2MPS11_BUCK2_RAMP_SHIFT; |
| ramp_reg = S2MPS11_REG_RAMP; |
| break; |
| case S2MPS11_BUCK3: |
| enable_shift = S2MPS11_BUCK3_RAMP_EN_SHIFT; |
| if (!ramp_delay) { |
| ramp_enable = 0; |
| break; |
| } |
| |
| if (ramp_delay > s2mps11->ramp_delay34) |
| s2mps11->ramp_delay34 = ramp_delay; |
| else |
| ramp_delay = s2mps11->ramp_delay34; |
| |
| ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; |
| ramp_reg = S2MPS11_REG_RAMP; |
| break; |
| case S2MPS11_BUCK4: |
| enable_shift = S2MPS11_BUCK4_RAMP_EN_SHIFT; |
| if (!ramp_delay) { |
| ramp_enable = 0; |
| break; |
| } |
| |
| if (ramp_delay > s2mps11->ramp_delay34) |
| s2mps11->ramp_delay34 = ramp_delay; |
| else |
| ramp_delay = s2mps11->ramp_delay34; |
| |
| ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; |
| ramp_reg = S2MPS11_REG_RAMP; |
| break; |
| case S2MPS11_BUCK5: |
| s2mps11->ramp_delay5 = ramp_delay; |
| ramp_shift = S2MPS11_BUCK5_RAMP_SHIFT; |
| break; |
| case S2MPS11_BUCK6: |
| enable_shift = S2MPS11_BUCK6_RAMP_EN_SHIFT; |
| if (!ramp_delay) { |
| ramp_enable = 0; |
| break; |
| } |
| |
| if (ramp_delay > s2mps11->ramp_delay16) |
| s2mps11->ramp_delay16 = ramp_delay; |
| else |
| ramp_delay = s2mps11->ramp_delay16; |
| |
| ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; |
| break; |
| case S2MPS11_BUCK7: |
| case S2MPS11_BUCK8: |
| case S2MPS11_BUCK10: |
| if (ramp_delay > s2mps11->ramp_delay7810) |
| s2mps11->ramp_delay7810 = ramp_delay; |
| else |
| ramp_delay = s2mps11->ramp_delay7810; |
| |
| ramp_shift = S2MPS11_BUCK7810_RAMP_SHIFT; |
| break; |
| case S2MPS11_BUCK9: |
| s2mps11->ramp_delay9 = ramp_delay; |
| ramp_shift = S2MPS11_BUCK9_RAMP_SHIFT; |
| break; |
| default: |
| return 0; |
| } |
| |
| if (!ramp_enable) |
| goto ramp_disable; |
| |
| /* Ramp delay can be enabled/disabled only for buck[2346] */ |
| if ((rdev_id >= S2MPS11_BUCK2 && rdev_id <= S2MPS11_BUCK4) || |
| rdev_id == S2MPS11_BUCK6) { |
| ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, |
| 1 << enable_shift, 1 << enable_shift); |
| if (ret) { |
| dev_err(&rdev->dev, "failed to enable ramp rate\n"); |
| return ret; |
| } |
| } |
| |
| ramp_val = get_ramp_delay(ramp_delay); |
| |
| return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift, |
| ramp_val << ramp_shift); |
| |
| ramp_disable: |
| return regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, |
| 1 << enable_shift, 0); |
| } |
| |
| static int s2mps11_regulator_enable(struct regulator_dev *rdev) |
| { |
| struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); |
| int rdev_id = rdev_get_id(rdev); |
| unsigned int val; |
| |
| switch (s2mps11->dev_type) { |
| case S2MPS11X: |
| if (test_bit(rdev_id, s2mps11->suspend_state)) |
| val = S2MPS14_ENABLE_SUSPEND; |
| else |
| val = rdev->desc->enable_mask; |
| break; |
| case S2MPS13X: |
| case S2MPS14X: |
| if (test_bit(rdev_id, s2mps11->suspend_state)) |
| val = S2MPS14_ENABLE_SUSPEND; |
| else if (s2mps11->ext_control_gpiod[rdev_id]) |
| val = S2MPS14_ENABLE_EXT_CONTROL; |
| else |
| val = rdev->desc->enable_mask; |
| break; |
| case S2MPU02: |
| if (test_bit(rdev_id, s2mps11->suspend_state)) |
| val = S2MPU02_ENABLE_SUSPEND; |
| else |
| val = rdev->desc->enable_mask; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, |
| rdev->desc->enable_mask, val); |
| } |
| |
| static int s2mps11_regulator_set_suspend_disable(struct regulator_dev *rdev) |
| { |
| int ret; |
| unsigned int val, state; |
| struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); |
| int rdev_id = rdev_get_id(rdev); |
| |
| /* Below LDO should be always on or does not support suspend mode. */ |
| switch (s2mps11->dev_type) { |
| case S2MPS11X: |
| switch (rdev_id) { |
| case S2MPS11_LDO2: |
| case S2MPS11_LDO36: |
| case S2MPS11_LDO37: |
| case S2MPS11_LDO38: |
| return 0; |
| default: |
| state = S2MPS14_ENABLE_SUSPEND; |
| break; |
| } |
| break; |
| case S2MPS13X: |
| case S2MPS14X: |
| switch (rdev_id) { |
| case S2MPS14_LDO3: |
| return 0; |
| default: |
| state = S2MPS14_ENABLE_SUSPEND; |
| break; |
| } |
| break; |
| case S2MPU02: |
| switch (rdev_id) { |
| case S2MPU02_LDO13: |
| case S2MPU02_LDO14: |
| case S2MPU02_LDO15: |
| case S2MPU02_LDO17: |
| case S2MPU02_BUCK7: |
| state = S2MPU02_DISABLE_SUSPEND; |
| break; |
| default: |
| state = S2MPU02_ENABLE_SUSPEND; |
| break; |
| } |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); |
| if (ret < 0) |
| return ret; |
| |
| set_bit(rdev_id, s2mps11->suspend_state); |
| /* |
| * Don't enable suspend mode if regulator is already disabled because |
| * this would effectively for a short time turn on the regulator after |
| * resuming. |
| * However we still want to toggle the suspend_state bit for regulator |
| * in case if it got enabled before suspending the system. |
| */ |
| if (!(val & rdev->desc->enable_mask)) |
| return 0; |
| |
| return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, |
| rdev->desc->enable_mask, state); |
| } |
| |
| static const struct regulator_ops s2mps11_ldo_ops = { |
| .list_voltage = regulator_list_voltage_linear, |
| .map_voltage = regulator_map_voltage_linear, |
| .is_enabled = regulator_is_enabled_regmap, |
| .enable = s2mps11_regulator_enable, |
| .disable = regulator_disable_regmap, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_sel = regulator_set_voltage_sel_regmap, |
| .set_voltage_time_sel = regulator_set_voltage_time_sel, |
| .set_suspend_disable = s2mps11_regulator_set_suspend_disable, |
| }; |
| |
| static const struct regulator_ops s2mps11_buck_ops = { |
| .list_voltage = regulator_list_voltage_linear, |
| .map_voltage = regulator_map_voltage_linear, |
| .is_enabled = regulator_is_enabled_regmap, |
| .enable = s2mps11_regulator_enable, |
| .disable = regulator_disable_regmap, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_sel = regulator_set_voltage_sel_regmap, |
| .set_voltage_time_sel = s2mps11_regulator_set_voltage_time_sel, |
| .set_ramp_delay = s2mps11_set_ramp_delay, |
| .set_suspend_disable = s2mps11_regulator_set_suspend_disable, |
| }; |
| |
| #define regulator_desc_s2mps11_ldo(num, step) { \ |
| .name = "LDO"#num, \ |
| .id = S2MPS11_LDO##num, \ |
| .ops = &s2mps11_ldo_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .ramp_delay = RAMP_DELAY_12_MVUS, \ |
| .min_uV = MIN_800_MV, \ |
| .uV_step = step, \ |
| .n_voltages = S2MPS11_LDO_N_VOLTAGES, \ |
| .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \ |
| .vsel_mask = S2MPS11_LDO_VSEL_MASK, \ |
| .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \ |
| .enable_mask = S2MPS11_ENABLE_MASK \ |
| } |
| |
| #define regulator_desc_s2mps11_buck1_4(num) { \ |
| .name = "BUCK"#num, \ |
| .id = S2MPS11_BUCK##num, \ |
| .ops = &s2mps11_buck_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = MIN_650_MV, \ |
| .uV_step = STEP_6_25_MV, \ |
| .linear_min_sel = 8, \ |
| .n_voltages = S2MPS11_BUCK12346_N_VOLTAGES, \ |
| .ramp_delay = S2MPS11_RAMP_DELAY, \ |
| .vsel_reg = S2MPS11_REG_B1CTRL2 + (num - 1) * 2, \ |
| .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPS11_REG_B1CTRL1 + (num - 1) * 2, \ |
| .enable_mask = S2MPS11_ENABLE_MASK \ |
| } |
| |
| #define regulator_desc_s2mps11_buck5 { \ |
| .name = "BUCK5", \ |
| .id = S2MPS11_BUCK5, \ |
| .ops = &s2mps11_buck_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = MIN_650_MV, \ |
| .uV_step = STEP_6_25_MV, \ |
| .linear_min_sel = 8, \ |
| .n_voltages = S2MPS11_BUCK5_N_VOLTAGES, \ |
| .ramp_delay = S2MPS11_RAMP_DELAY, \ |
| .vsel_reg = S2MPS11_REG_B5CTRL2, \ |
| .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPS11_REG_B5CTRL1, \ |
| .enable_mask = S2MPS11_ENABLE_MASK \ |
| } |
| |
| #define regulator_desc_s2mps11_buck67810(num, min, step, min_sel, voltages) { \ |
| .name = "BUCK"#num, \ |
| .id = S2MPS11_BUCK##num, \ |
| .ops = &s2mps11_buck_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = min, \ |
| .uV_step = step, \ |
| .linear_min_sel = min_sel, \ |
| .n_voltages = voltages, \ |
| .ramp_delay = S2MPS11_RAMP_DELAY, \ |
| .vsel_reg = S2MPS11_REG_B6CTRL2 + (num - 6) * 2, \ |
| .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPS11_REG_B6CTRL1 + (num - 6) * 2, \ |
| .enable_mask = S2MPS11_ENABLE_MASK \ |
| } |
| |
| #define regulator_desc_s2mps11_buck9 { \ |
| .name = "BUCK9", \ |
| .id = S2MPS11_BUCK9, \ |
| .ops = &s2mps11_buck_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = MIN_3000_MV, \ |
| .uV_step = STEP_25_MV, \ |
| .n_voltages = S2MPS11_BUCK9_N_VOLTAGES, \ |
| .ramp_delay = S2MPS11_RAMP_DELAY, \ |
| .vsel_reg = S2MPS11_REG_B9CTRL2, \ |
| .vsel_mask = S2MPS11_BUCK9_VSEL_MASK, \ |
| .enable_reg = S2MPS11_REG_B9CTRL1, \ |
| .enable_mask = S2MPS11_ENABLE_MASK \ |
| } |
| |
| static const struct regulator_desc s2mps11_regulators[] = { |
| regulator_desc_s2mps11_ldo(1, STEP_25_MV), |
| regulator_desc_s2mps11_ldo(2, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(3, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(4, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(5, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(6, STEP_25_MV), |
| regulator_desc_s2mps11_ldo(7, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(8, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(9, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(10, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(11, STEP_25_MV), |
| regulator_desc_s2mps11_ldo(12, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(13, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(14, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(15, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(16, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(17, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(18, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(19, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(20, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(21, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(22, STEP_25_MV), |
| regulator_desc_s2mps11_ldo(23, STEP_25_MV), |
| regulator_desc_s2mps11_ldo(24, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(25, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(26, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(27, STEP_25_MV), |
| regulator_desc_s2mps11_ldo(28, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(29, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(30, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(31, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(32, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(33, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(34, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(35, STEP_25_MV), |
| regulator_desc_s2mps11_ldo(36, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(37, STEP_50_MV), |
| regulator_desc_s2mps11_ldo(38, STEP_50_MV), |
| regulator_desc_s2mps11_buck1_4(1), |
| regulator_desc_s2mps11_buck1_4(2), |
| regulator_desc_s2mps11_buck1_4(3), |
| regulator_desc_s2mps11_buck1_4(4), |
| regulator_desc_s2mps11_buck5, |
| regulator_desc_s2mps11_buck67810(6, MIN_650_MV, STEP_6_25_MV, 8, |
| S2MPS11_BUCK12346_N_VOLTAGES), |
| regulator_desc_s2mps11_buck67810(7, MIN_750_MV, STEP_12_5_MV, 0, |
| S2MPS11_BUCK7810_N_VOLTAGES), |
| regulator_desc_s2mps11_buck67810(8, MIN_750_MV, STEP_12_5_MV, 0, |
| S2MPS11_BUCK7810_N_VOLTAGES), |
| regulator_desc_s2mps11_buck9, |
| regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV, 0, |
| S2MPS11_BUCK7810_N_VOLTAGES), |
| }; |
| |
| static const struct regulator_ops s2mps14_reg_ops; |
| |
| #define regulator_desc_s2mps13_ldo(num, min, step, min_sel) { \ |
| .name = "LDO"#num, \ |
| .id = S2MPS13_LDO##num, \ |
| .ops = &s2mps14_reg_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = min, \ |
| .uV_step = step, \ |
| .linear_min_sel = min_sel, \ |
| .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ |
| .vsel_reg = S2MPS13_REG_L1CTRL + num - 1, \ |
| .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ |
| .enable_reg = S2MPS13_REG_L1CTRL + num - 1, \ |
| .enable_mask = S2MPS14_ENABLE_MASK \ |
| } |
| |
| #define regulator_desc_s2mps13_buck(num, min, step, min_sel) { \ |
| .name = "BUCK"#num, \ |
| .id = S2MPS13_BUCK##num, \ |
| .ops = &s2mps14_reg_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = min, \ |
| .uV_step = step, \ |
| .linear_min_sel = min_sel, \ |
| .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ |
| .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \ |
| .vsel_reg = S2MPS13_REG_B1OUT + (num - 1) * 2, \ |
| .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPS13_REG_B1CTRL + (num - 1) * 2, \ |
| .enable_mask = S2MPS14_ENABLE_MASK \ |
| } |
| |
| #define regulator_desc_s2mps13_buck7(num, min, step, min_sel) { \ |
| .name = "BUCK"#num, \ |
| .id = S2MPS13_BUCK##num, \ |
| .ops = &s2mps14_reg_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = min, \ |
| .uV_step = step, \ |
| .linear_min_sel = min_sel, \ |
| .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ |
| .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \ |
| .vsel_reg = S2MPS13_REG_B1OUT + (num) * 2 - 1, \ |
| .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPS13_REG_B1CTRL + (num - 1) * 2, \ |
| .enable_mask = S2MPS14_ENABLE_MASK \ |
| } |
| |
| #define regulator_desc_s2mps13_buck8_10(num, min, step, min_sel) { \ |
| .name = "BUCK"#num, \ |
| .id = S2MPS13_BUCK##num, \ |
| .ops = &s2mps14_reg_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = min, \ |
| .uV_step = step, \ |
| .linear_min_sel = min_sel, \ |
| .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ |
| .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \ |
| .vsel_reg = S2MPS13_REG_B1OUT + (num) * 2 - 1, \ |
| .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPS13_REG_B1CTRL + (num) * 2 - 1, \ |
| .enable_mask = S2MPS14_ENABLE_MASK \ |
| } |
| |
| static const struct regulator_desc s2mps13_regulators[] = { |
| regulator_desc_s2mps13_ldo(1, MIN_800_MV, STEP_12_5_MV, 0x00), |
| regulator_desc_s2mps13_ldo(2, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(3, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(4, MIN_800_MV, STEP_12_5_MV, 0x00), |
| regulator_desc_s2mps13_ldo(5, MIN_800_MV, STEP_12_5_MV, 0x00), |
| regulator_desc_s2mps13_ldo(6, MIN_800_MV, STEP_12_5_MV, 0x00), |
| regulator_desc_s2mps13_ldo(7, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(8, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(9, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(10, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(11, MIN_800_MV, STEP_25_MV, 0x10), |
| regulator_desc_s2mps13_ldo(12, MIN_800_MV, STEP_25_MV, 0x10), |
| regulator_desc_s2mps13_ldo(13, MIN_800_MV, STEP_25_MV, 0x10), |
| regulator_desc_s2mps13_ldo(14, MIN_800_MV, STEP_12_5_MV, 0x00), |
| regulator_desc_s2mps13_ldo(15, MIN_800_MV, STEP_12_5_MV, 0x00), |
| regulator_desc_s2mps13_ldo(16, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(17, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(18, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(19, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(20, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(21, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(22, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(23, MIN_800_MV, STEP_12_5_MV, 0x00), |
| regulator_desc_s2mps13_ldo(24, MIN_800_MV, STEP_12_5_MV, 0x00), |
| regulator_desc_s2mps13_ldo(25, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(26, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(27, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(28, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(29, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(30, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(31, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(32, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(33, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(34, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(35, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(36, MIN_800_MV, STEP_12_5_MV, 0x00), |
| regulator_desc_s2mps13_ldo(37, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(38, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_ldo(39, MIN_1000_MV, STEP_25_MV, 0x08), |
| regulator_desc_s2mps13_ldo(40, MIN_1400_MV, STEP_50_MV, 0x0C), |
| regulator_desc_s2mps13_buck(1, MIN_500_MV, STEP_6_25_MV, 0x10), |
| regulator_desc_s2mps13_buck(2, MIN_500_MV, STEP_6_25_MV, 0x10), |
| regulator_desc_s2mps13_buck(3, MIN_500_MV, STEP_6_25_MV, 0x10), |
| regulator_desc_s2mps13_buck(4, MIN_500_MV, STEP_6_25_MV, 0x10), |
| regulator_desc_s2mps13_buck(5, MIN_500_MV, STEP_6_25_MV, 0x10), |
| regulator_desc_s2mps13_buck(6, MIN_500_MV, STEP_6_25_MV, 0x10), |
| regulator_desc_s2mps13_buck7(7, MIN_500_MV, STEP_6_25_MV, 0x10), |
| regulator_desc_s2mps13_buck8_10(8, MIN_1000_MV, STEP_12_5_MV, 0x20), |
| regulator_desc_s2mps13_buck8_10(9, MIN_1000_MV, STEP_12_5_MV, 0x20), |
| regulator_desc_s2mps13_buck8_10(10, MIN_500_MV, STEP_6_25_MV, 0x10), |
| }; |
| |
| static const struct regulator_ops s2mps14_reg_ops = { |
| .list_voltage = regulator_list_voltage_linear, |
| .map_voltage = regulator_map_voltage_linear, |
| .is_enabled = regulator_is_enabled_regmap, |
| .enable = s2mps11_regulator_enable, |
| .disable = regulator_disable_regmap, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_sel = regulator_set_voltage_sel_regmap, |
| .set_voltage_time_sel = regulator_set_voltage_time_sel, |
| .set_suspend_disable = s2mps11_regulator_set_suspend_disable, |
| }; |
| |
| #define regulator_desc_s2mps14_ldo(num, min, step) { \ |
| .name = "LDO"#num, \ |
| .id = S2MPS14_LDO##num, \ |
| .ops = &s2mps14_reg_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = min, \ |
| .uV_step = step, \ |
| .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ |
| .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \ |
| .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ |
| .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \ |
| .enable_mask = S2MPS14_ENABLE_MASK \ |
| } |
| |
| #define regulator_desc_s2mps14_buck(num, min, step, min_sel) { \ |
| .name = "BUCK"#num, \ |
| .id = S2MPS14_BUCK##num, \ |
| .ops = &s2mps14_reg_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = min, \ |
| .uV_step = step, \ |
| .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ |
| .linear_min_sel = min_sel, \ |
| .ramp_delay = S2MPS14_BUCK_RAMP_DELAY, \ |
| .vsel_reg = S2MPS14_REG_B1CTRL2 + (num - 1) * 2, \ |
| .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPS14_REG_B1CTRL1 + (num - 1) * 2, \ |
| .enable_mask = S2MPS14_ENABLE_MASK \ |
| } |
| |
| static const struct regulator_desc s2mps14_regulators[] = { |
| regulator_desc_s2mps14_ldo(1, MIN_800_MV, STEP_12_5_MV), |
| regulator_desc_s2mps14_ldo(2, MIN_800_MV, STEP_12_5_MV), |
| regulator_desc_s2mps14_ldo(3, MIN_800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(4, MIN_800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(5, MIN_800_MV, STEP_12_5_MV), |
| regulator_desc_s2mps14_ldo(6, MIN_800_MV, STEP_12_5_MV), |
| regulator_desc_s2mps14_ldo(7, MIN_800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(8, MIN_1800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(9, MIN_800_MV, STEP_12_5_MV), |
| regulator_desc_s2mps14_ldo(10, MIN_800_MV, STEP_12_5_MV), |
| regulator_desc_s2mps14_ldo(11, MIN_800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(12, MIN_1800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(13, MIN_1800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(14, MIN_1800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(15, MIN_1800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(16, MIN_1800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(17, MIN_1800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(18, MIN_1800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(19, MIN_800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(20, MIN_800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(21, MIN_800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(22, MIN_800_MV, STEP_12_5_MV), |
| regulator_desc_s2mps14_ldo(23, MIN_800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(24, MIN_1800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_ldo(25, MIN_1800_MV, STEP_25_MV), |
| regulator_desc_s2mps14_buck(1, MIN_600_MV, STEP_6_25_MV, |
| S2MPS14_BUCK1235_START_SEL), |
| regulator_desc_s2mps14_buck(2, MIN_600_MV, STEP_6_25_MV, |
| S2MPS14_BUCK1235_START_SEL), |
| regulator_desc_s2mps14_buck(3, MIN_600_MV, STEP_6_25_MV, |
| S2MPS14_BUCK1235_START_SEL), |
| regulator_desc_s2mps14_buck(4, MIN_1400_MV, STEP_12_5_MV, |
| S2MPS14_BUCK4_START_SEL), |
| regulator_desc_s2mps14_buck(5, MIN_600_MV, STEP_6_25_MV, |
| S2MPS14_BUCK1235_START_SEL), |
| }; |
| |
| static const struct regulator_ops s2mps15_reg_ldo_ops = { |
| .list_voltage = regulator_list_voltage_linear_range, |
| .map_voltage = regulator_map_voltage_linear_range, |
| .is_enabled = regulator_is_enabled_regmap, |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_sel = regulator_set_voltage_sel_regmap, |
| }; |
| |
| static const struct regulator_ops s2mps15_reg_buck_ops = { |
| .list_voltage = regulator_list_voltage_linear_range, |
| .map_voltage = regulator_map_voltage_linear_range, |
| .is_enabled = regulator_is_enabled_regmap, |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_sel = regulator_set_voltage_sel_regmap, |
| .set_voltage_time_sel = regulator_set_voltage_time_sel, |
| }; |
| |
| #define regulator_desc_s2mps15_ldo(num, range) { \ |
| .name = "LDO"#num, \ |
| .id = S2MPS15_LDO##num, \ |
| .ops = &s2mps15_reg_ldo_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .linear_ranges = range, \ |
| .n_linear_ranges = ARRAY_SIZE(range), \ |
| .n_voltages = S2MPS15_LDO_N_VOLTAGES, \ |
| .vsel_reg = S2MPS15_REG_L1CTRL + num - 1, \ |
| .vsel_mask = S2MPS15_LDO_VSEL_MASK, \ |
| .enable_reg = S2MPS15_REG_L1CTRL + num - 1, \ |
| .enable_mask = S2MPS15_ENABLE_MASK \ |
| } |
| |
| #define regulator_desc_s2mps15_buck(num, range) { \ |
| .name = "BUCK"#num, \ |
| .id = S2MPS15_BUCK##num, \ |
| .ops = &s2mps15_reg_buck_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .linear_ranges = range, \ |
| .n_linear_ranges = ARRAY_SIZE(range), \ |
| .ramp_delay = 12500, \ |
| .n_voltages = S2MPS15_BUCK_N_VOLTAGES, \ |
| .vsel_reg = S2MPS15_REG_B1CTRL2 + ((num - 1) * 2), \ |
| .vsel_mask = S2MPS15_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPS15_REG_B1CTRL1 + ((num - 1) * 2), \ |
| .enable_mask = S2MPS15_ENABLE_MASK \ |
| } |
| |
| /* voltage range for s2mps15 LDO 3, 5, 15, 16, 18, 20, 23 and 27 */ |
| static const struct linear_range s2mps15_ldo_voltage_ranges1[] = { |
| REGULATOR_LINEAR_RANGE(1000000, 0xc, 0x38, 25000), |
| }; |
| |
| /* voltage range for s2mps15 LDO 2, 6, 14, 17, 19, 21, 24 and 25 */ |
| static const struct linear_range s2mps15_ldo_voltage_ranges2[] = { |
| REGULATOR_LINEAR_RANGE(1800000, 0x0, 0x3f, 25000), |
| }; |
| |
| /* voltage range for s2mps15 LDO 4, 11, 12, 13, 22 and 26 */ |
| static const struct linear_range s2mps15_ldo_voltage_ranges3[] = { |
| REGULATOR_LINEAR_RANGE(700000, 0x0, 0x34, 12500), |
| }; |
| |
| /* voltage range for s2mps15 LDO 7, 8, 9 and 10 */ |
| static const struct linear_range s2mps15_ldo_voltage_ranges4[] = { |
| REGULATOR_LINEAR_RANGE(700000, 0x10, 0x20, 25000), |
| }; |
| |
| /* voltage range for s2mps15 LDO 1 */ |
| static const struct linear_range s2mps15_ldo_voltage_ranges5[] = { |
| REGULATOR_LINEAR_RANGE(500000, 0x0, 0x20, 12500), |
| }; |
| |
| /* voltage range for s2mps15 BUCK 1, 2, 3, 4, 5, 6 and 7 */ |
| static const struct linear_range s2mps15_buck_voltage_ranges1[] = { |
| REGULATOR_LINEAR_RANGE(500000, 0x20, 0xc0, 6250), |
| }; |
| |
| /* voltage range for s2mps15 BUCK 8, 9 and 10 */ |
| static const struct linear_range s2mps15_buck_voltage_ranges2[] = { |
| REGULATOR_LINEAR_RANGE(1000000, 0x20, 0x78, 12500), |
| }; |
| |
| static const struct regulator_desc s2mps15_regulators[] = { |
| regulator_desc_s2mps15_ldo(1, s2mps15_ldo_voltage_ranges5), |
| regulator_desc_s2mps15_ldo(2, s2mps15_ldo_voltage_ranges2), |
| regulator_desc_s2mps15_ldo(3, s2mps15_ldo_voltage_ranges1), |
| regulator_desc_s2mps15_ldo(4, s2mps15_ldo_voltage_ranges3), |
| regulator_desc_s2mps15_ldo(5, s2mps15_ldo_voltage_ranges1), |
| regulator_desc_s2mps15_ldo(6, s2mps15_ldo_voltage_ranges2), |
| regulator_desc_s2mps15_ldo(7, s2mps15_ldo_voltage_ranges4), |
| regulator_desc_s2mps15_ldo(8, s2mps15_ldo_voltage_ranges4), |
| regulator_desc_s2mps15_ldo(9, s2mps15_ldo_voltage_ranges4), |
| regulator_desc_s2mps15_ldo(10, s2mps15_ldo_voltage_ranges4), |
| regulator_desc_s2mps15_ldo(11, s2mps15_ldo_voltage_ranges3), |
| regulator_desc_s2mps15_ldo(12, s2mps15_ldo_voltage_ranges3), |
| regulator_desc_s2mps15_ldo(13, s2mps15_ldo_voltage_ranges3), |
| regulator_desc_s2mps15_ldo(14, s2mps15_ldo_voltage_ranges2), |
| regulator_desc_s2mps15_ldo(15, s2mps15_ldo_voltage_ranges1), |
| regulator_desc_s2mps15_ldo(16, s2mps15_ldo_voltage_ranges1), |
| regulator_desc_s2mps15_ldo(17, s2mps15_ldo_voltage_ranges2), |
| regulator_desc_s2mps15_ldo(18, s2mps15_ldo_voltage_ranges1), |
| regulator_desc_s2mps15_ldo(19, s2mps15_ldo_voltage_ranges2), |
| regulator_desc_s2mps15_ldo(20, s2mps15_ldo_voltage_ranges1), |
| regulator_desc_s2mps15_ldo(21, s2mps15_ldo_voltage_ranges2), |
| regulator_desc_s2mps15_ldo(22, s2mps15_ldo_voltage_ranges3), |
| regulator_desc_s2mps15_ldo(23, s2mps15_ldo_voltage_ranges1), |
| regulator_desc_s2mps15_ldo(24, s2mps15_ldo_voltage_ranges2), |
| regulator_desc_s2mps15_ldo(25, s2mps15_ldo_voltage_ranges2), |
| regulator_desc_s2mps15_ldo(26, s2mps15_ldo_voltage_ranges3), |
| regulator_desc_s2mps15_ldo(27, s2mps15_ldo_voltage_ranges1), |
| regulator_desc_s2mps15_buck(1, s2mps15_buck_voltage_ranges1), |
| regulator_desc_s2mps15_buck(2, s2mps15_buck_voltage_ranges1), |
| regulator_desc_s2mps15_buck(3, s2mps15_buck_voltage_ranges1), |
| regulator_desc_s2mps15_buck(4, s2mps15_buck_voltage_ranges1), |
| regulator_desc_s2mps15_buck(5, s2mps15_buck_voltage_ranges1), |
| regulator_desc_s2mps15_buck(6, s2mps15_buck_voltage_ranges1), |
| regulator_desc_s2mps15_buck(7, s2mps15_buck_voltage_ranges1), |
| regulator_desc_s2mps15_buck(8, s2mps15_buck_voltage_ranges2), |
| regulator_desc_s2mps15_buck(9, s2mps15_buck_voltage_ranges2), |
| regulator_desc_s2mps15_buck(10, s2mps15_buck_voltage_ranges2), |
| }; |
| |
| static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11, |
| struct regulator_dev *rdev) |
| { |
| return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, |
| rdev->desc->enable_mask, S2MPS14_ENABLE_EXT_CONTROL); |
| } |
| |
| static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev, |
| struct of_regulator_match *rdata, struct s2mps11_info *s2mps11) |
| { |
| struct gpio_desc **gpio = s2mps11->ext_control_gpiod; |
| unsigned int i; |
| unsigned int valid_regulators[3] = { S2MPS14_LDO10, S2MPS14_LDO11, |
| S2MPS14_LDO12 }; |
| |
| for (i = 0; i < ARRAY_SIZE(valid_regulators); i++) { |
| unsigned int reg = valid_regulators[i]; |
| |
| if (!rdata[reg].init_data || !rdata[reg].of_node) |
| continue; |
| |
| gpio[reg] = devm_gpiod_get_from_of_node(&pdev->dev, |
| rdata[reg].of_node, |
| "samsung,ext-control-gpios", |
| 0, |
| GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE, |
| "s2mps11-regulator"); |
| if (PTR_ERR(gpio[reg]) == -ENOENT) |
| gpio[reg] = NULL; |
| else if (IS_ERR(gpio[reg])) { |
| dev_err(&pdev->dev, "Failed to get control GPIO for %d/%s\n", |
| reg, rdata[reg].name); |
| gpio[reg] = NULL; |
| continue; |
| } |
| if (gpio[reg]) |
| dev_dbg(&pdev->dev, "Using GPIO for ext-control over %d/%s\n", |
| reg, rdata[reg].name); |
| } |
| } |
| |
| static int s2mps11_pmic_dt_parse(struct platform_device *pdev, |
| struct of_regulator_match *rdata, struct s2mps11_info *s2mps11, |
| unsigned int rdev_num) |
| { |
| struct device_node *reg_np; |
| |
| reg_np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators"); |
| if (!reg_np) { |
| dev_err(&pdev->dev, "could not find regulators sub-node\n"); |
| return -EINVAL; |
| } |
| |
| of_regulator_match(&pdev->dev, reg_np, rdata, rdev_num); |
| if (s2mps11->dev_type == S2MPS14X) |
| s2mps14_pmic_dt_parse_ext_control_gpio(pdev, rdata, s2mps11); |
| |
| of_node_put(reg_np); |
| |
| return 0; |
| } |
| |
| static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) |
| { |
| unsigned int ramp_val, ramp_shift, ramp_reg; |
| int rdev_id = rdev_get_id(rdev); |
| |
| switch (rdev_id) { |
| case S2MPU02_BUCK1: |
| ramp_shift = S2MPU02_BUCK1_RAMP_SHIFT; |
| break; |
| case S2MPU02_BUCK2: |
| ramp_shift = S2MPU02_BUCK2_RAMP_SHIFT; |
| break; |
| case S2MPU02_BUCK3: |
| ramp_shift = S2MPU02_BUCK3_RAMP_SHIFT; |
| break; |
| case S2MPU02_BUCK4: |
| ramp_shift = S2MPU02_BUCK4_RAMP_SHIFT; |
| break; |
| default: |
| return 0; |
| } |
| ramp_reg = S2MPU02_REG_RAMP1; |
| ramp_val = get_ramp_delay(ramp_delay); |
| |
| return regmap_update_bits(rdev->regmap, ramp_reg, |
| S2MPU02_BUCK1234_RAMP_MASK << ramp_shift, |
| ramp_val << ramp_shift); |
| } |
| |
| static const struct regulator_ops s2mpu02_ldo_ops = { |
| .list_voltage = regulator_list_voltage_linear, |
| .map_voltage = regulator_map_voltage_linear, |
| .is_enabled = regulator_is_enabled_regmap, |
| .enable = s2mps11_regulator_enable, |
| .disable = regulator_disable_regmap, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_sel = regulator_set_voltage_sel_regmap, |
| .set_voltage_time_sel = regulator_set_voltage_time_sel, |
| .set_suspend_disable = s2mps11_regulator_set_suspend_disable, |
| }; |
| |
| static const struct regulator_ops s2mpu02_buck_ops = { |
| .list_voltage = regulator_list_voltage_linear, |
| .map_voltage = regulator_map_voltage_linear, |
| .is_enabled = regulator_is_enabled_regmap, |
| .enable = s2mps11_regulator_enable, |
| .disable = regulator_disable_regmap, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_sel = regulator_set_voltage_sel_regmap, |
| .set_voltage_time_sel = regulator_set_voltage_time_sel, |
| .set_suspend_disable = s2mps11_regulator_set_suspend_disable, |
| .set_ramp_delay = s2mpu02_set_ramp_delay, |
| }; |
| |
| #define regulator_desc_s2mpu02_ldo1(num) { \ |
| .name = "LDO"#num, \ |
| .id = S2MPU02_LDO##num, \ |
| .ops = &s2mpu02_ldo_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = S2MPU02_LDO_MIN_900MV, \ |
| .uV_step = S2MPU02_LDO_STEP_12_5MV, \ |
| .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \ |
| .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ |
| .vsel_reg = S2MPU02_REG_L1CTRL, \ |
| .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ |
| .enable_reg = S2MPU02_REG_L1CTRL, \ |
| .enable_mask = S2MPU02_ENABLE_MASK \ |
| } |
| #define regulator_desc_s2mpu02_ldo2(num) { \ |
| .name = "LDO"#num, \ |
| .id = S2MPU02_LDO##num, \ |
| .ops = &s2mpu02_ldo_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = S2MPU02_LDO_MIN_1050MV, \ |
| .uV_step = S2MPU02_LDO_STEP_25MV, \ |
| .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \ |
| .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ |
| .vsel_reg = S2MPU02_REG_L2CTRL1, \ |
| .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ |
| .enable_reg = S2MPU02_REG_L2CTRL1, \ |
| .enable_mask = S2MPU02_ENABLE_MASK \ |
| } |
| #define regulator_desc_s2mpu02_ldo3(num) { \ |
| .name = "LDO"#num, \ |
| .id = S2MPU02_LDO##num, \ |
| .ops = &s2mpu02_ldo_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = S2MPU02_LDO_MIN_900MV, \ |
| .uV_step = S2MPU02_LDO_STEP_12_5MV, \ |
| .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \ |
| .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ |
| .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ |
| .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ |
| .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ |
| .enable_mask = S2MPU02_ENABLE_MASK \ |
| } |
| #define regulator_desc_s2mpu02_ldo4(num) { \ |
| .name = "LDO"#num, \ |
| .id = S2MPU02_LDO##num, \ |
| .ops = &s2mpu02_ldo_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = S2MPU02_LDO_MIN_1050MV, \ |
| .uV_step = S2MPU02_LDO_STEP_25MV, \ |
| .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \ |
| .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ |
| .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ |
| .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ |
| .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ |
| .enable_mask = S2MPU02_ENABLE_MASK \ |
| } |
| #define regulator_desc_s2mpu02_ldo5(num) { \ |
| .name = "LDO"#num, \ |
| .id = S2MPU02_LDO##num, \ |
| .ops = &s2mpu02_ldo_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = S2MPU02_LDO_MIN_1600MV, \ |
| .uV_step = S2MPU02_LDO_STEP_50MV, \ |
| .linear_min_sel = S2MPU02_LDO_GROUP3_START_SEL, \ |
| .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ |
| .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ |
| .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ |
| .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ |
| .enable_mask = S2MPU02_ENABLE_MASK \ |
| } |
| |
| #define regulator_desc_s2mpu02_buck1234(num) { \ |
| .name = "BUCK"#num, \ |
| .id = S2MPU02_BUCK##num, \ |
| .ops = &s2mpu02_buck_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = S2MPU02_BUCK1234_MIN_600MV, \ |
| .uV_step = S2MPU02_BUCK1234_STEP_6_25MV, \ |
| .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ |
| .linear_min_sel = S2MPU02_BUCK1234_START_SEL, \ |
| .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ |
| .vsel_reg = S2MPU02_REG_B1CTRL2 + (num - 1) * 2, \ |
| .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPU02_REG_B1CTRL1 + (num - 1) * 2, \ |
| .enable_mask = S2MPU02_ENABLE_MASK \ |
| } |
| #define regulator_desc_s2mpu02_buck5(num) { \ |
| .name = "BUCK"#num, \ |
| .id = S2MPU02_BUCK##num, \ |
| .ops = &s2mpu02_ldo_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = S2MPU02_BUCK5_MIN_1081_25MV, \ |
| .uV_step = S2MPU02_BUCK5_STEP_6_25MV, \ |
| .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ |
| .linear_min_sel = S2MPU02_BUCK5_START_SEL, \ |
| .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ |
| .vsel_reg = S2MPU02_REG_B5CTRL2, \ |
| .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPU02_REG_B5CTRL1, \ |
| .enable_mask = S2MPU02_ENABLE_MASK \ |
| } |
| #define regulator_desc_s2mpu02_buck6(num) { \ |
| .name = "BUCK"#num, \ |
| .id = S2MPU02_BUCK##num, \ |
| .ops = &s2mpu02_ldo_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = S2MPU02_BUCK6_MIN_1700MV, \ |
| .uV_step = S2MPU02_BUCK6_STEP_2_50MV, \ |
| .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ |
| .linear_min_sel = S2MPU02_BUCK6_START_SEL, \ |
| .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ |
| .vsel_reg = S2MPU02_REG_B6CTRL2, \ |
| .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPU02_REG_B6CTRL1, \ |
| .enable_mask = S2MPU02_ENABLE_MASK \ |
| } |
| #define regulator_desc_s2mpu02_buck7(num) { \ |
| .name = "BUCK"#num, \ |
| .id = S2MPU02_BUCK##num, \ |
| .ops = &s2mpu02_ldo_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE, \ |
| .min_uV = S2MPU02_BUCK7_MIN_900MV, \ |
| .uV_step = S2MPU02_BUCK7_STEP_6_25MV, \ |
| .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ |
| .linear_min_sel = S2MPU02_BUCK7_START_SEL, \ |
| .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ |
| .vsel_reg = S2MPU02_REG_B7CTRL2, \ |
| .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ |
| .enable_reg = S2MPU02_REG_B7CTRL1, \ |
| .enable_mask = S2MPU02_ENABLE_MASK \ |
| } |
| |
| static const struct regulator_desc s2mpu02_regulators[] = { |
| regulator_desc_s2mpu02_ldo1(1), |
| regulator_desc_s2mpu02_ldo2(2), |
| regulator_desc_s2mpu02_ldo4(3), |
| regulator_desc_s2mpu02_ldo5(4), |
| regulator_desc_s2mpu02_ldo4(5), |
| regulator_desc_s2mpu02_ldo3(6), |
| regulator_desc_s2mpu02_ldo3(7), |
| regulator_desc_s2mpu02_ldo4(8), |
| regulator_desc_s2mpu02_ldo5(9), |
| regulator_desc_s2mpu02_ldo3(10), |
| regulator_desc_s2mpu02_ldo4(11), |
| regulator_desc_s2mpu02_ldo5(12), |
| regulator_desc_s2mpu02_ldo5(13), |
| regulator_desc_s2mpu02_ldo5(14), |
| regulator_desc_s2mpu02_ldo5(15), |
| regulator_desc_s2mpu02_ldo5(16), |
| regulator_desc_s2mpu02_ldo4(17), |
| regulator_desc_s2mpu02_ldo5(18), |
| regulator_desc_s2mpu02_ldo3(19), |
| regulator_desc_s2mpu02_ldo4(20), |
| regulator_desc_s2mpu02_ldo5(21), |
| regulator_desc_s2mpu02_ldo5(22), |
| regulator_desc_s2mpu02_ldo5(23), |
| regulator_desc_s2mpu02_ldo4(24), |
| regulator_desc_s2mpu02_ldo5(25), |
| regulator_desc_s2mpu02_ldo4(26), |
| regulator_desc_s2mpu02_ldo5(27), |
| regulator_desc_s2mpu02_ldo5(28), |
| regulator_desc_s2mpu02_buck1234(1), |
| regulator_desc_s2mpu02_buck1234(2), |
| regulator_desc_s2mpu02_buck1234(3), |
| regulator_desc_s2mpu02_buck1234(4), |
| regulator_desc_s2mpu02_buck5(5), |
| regulator_desc_s2mpu02_buck6(6), |
| regulator_desc_s2mpu02_buck7(7), |
| }; |
| |
| static int s2mps11_pmic_probe(struct platform_device *pdev) |
| { |
| struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); |
| struct sec_platform_data *pdata = NULL; |
| struct of_regulator_match *rdata = NULL; |
| struct regulator_config config = { }; |
| struct s2mps11_info *s2mps11; |
| unsigned int rdev_num = 0; |
| int i, ret = 0; |
| const struct regulator_desc *regulators; |
| |
| s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info), |
| GFP_KERNEL); |
| if (!s2mps11) |
| return -ENOMEM; |
| |
| s2mps11->dev_type = platform_get_device_id(pdev)->driver_data; |
| switch (s2mps11->dev_type) { |
| case S2MPS11X: |
| rdev_num = ARRAY_SIZE(s2mps11_regulators); |
| regulators = s2mps11_regulators; |
| BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps11_regulators)); |
| break; |
| case S2MPS13X: |
| rdev_num = ARRAY_SIZE(s2mps13_regulators); |
| regulators = s2mps13_regulators; |
| BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps13_regulators)); |
| break; |
| case S2MPS14X: |
| rdev_num = ARRAY_SIZE(s2mps14_regulators); |
| regulators = s2mps14_regulators; |
| BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps14_regulators)); |
| break; |
| case S2MPS15X: |
| rdev_num = ARRAY_SIZE(s2mps15_regulators); |
| regulators = s2mps15_regulators; |
| BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps15_regulators)); |
| break; |
| case S2MPU02: |
| rdev_num = ARRAY_SIZE(s2mpu02_regulators); |
| regulators = s2mpu02_regulators; |
| BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu02_regulators)); |
| break; |
| default: |
| dev_err(&pdev->dev, "Invalid device type: %u\n", |
| s2mps11->dev_type); |
| return -EINVAL; |
| } |
| |
| s2mps11->ext_control_gpiod = devm_kcalloc(&pdev->dev, rdev_num, |
| sizeof(*s2mps11->ext_control_gpiod), GFP_KERNEL); |
| if (!s2mps11->ext_control_gpiod) |
| return -ENOMEM; |
| |
| if (!iodev->dev->of_node) { |
| if (iodev->pdata) { |
| pdata = iodev->pdata; |
| goto common_reg; |
| } else { |
| dev_err(pdev->dev.parent, |
| "Platform data or DT node not supplied\n"); |
| return -ENODEV; |
| } |
| } |
| |
| rdata = kcalloc(rdev_num, sizeof(*rdata), GFP_KERNEL); |
| if (!rdata) |
| return -ENOMEM; |
| |
| for (i = 0; i < rdev_num; i++) |
| rdata[i].name = regulators[i].name; |
| |
| ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, rdev_num); |
| if (ret) |
| goto out; |
| |
| common_reg: |
| platform_set_drvdata(pdev, s2mps11); |
| |
| config.dev = &pdev->dev; |
| config.regmap = iodev->regmap_pmic; |
| config.driver_data = s2mps11; |
| for (i = 0; i < rdev_num; i++) { |
| struct regulator_dev *regulator; |
| |
| if (pdata) { |
| config.init_data = pdata->regulators[i].initdata; |
| config.of_node = pdata->regulators[i].reg_node; |
| } else { |
| config.init_data = rdata[i].init_data; |
| config.of_node = rdata[i].of_node; |
| } |
| config.ena_gpiod = s2mps11->ext_control_gpiod[i]; |
| /* |
| * Hand the GPIO descriptor management over to the regulator |
| * core, remove it from devres management. |
| */ |
| if (config.ena_gpiod) |
| devm_gpiod_unhinge(&pdev->dev, config.ena_gpiod); |
| regulator = devm_regulator_register(&pdev->dev, |
| ®ulators[i], &config); |
| if (IS_ERR(regulator)) { |
| ret = PTR_ERR(regulator); |
| dev_err(&pdev->dev, "regulator init failed for %d\n", |
| i); |
| goto out; |
| } |
| |
| if (config.ena_gpiod) { |
| ret = s2mps14_pmic_enable_ext_control(s2mps11, |
| regulator); |
| if (ret < 0) { |
| dev_err(&pdev->dev, |
| "failed to enable GPIO control over %s: %d\n", |
| regulator->desc->name, ret); |
| goto out; |
| } |
| } |
| } |
| |
| out: |
| kfree(rdata); |
| |
| return ret; |
| } |
| |
| static const struct platform_device_id s2mps11_pmic_id[] = { |
| { "s2mps11-regulator", S2MPS11X}, |
| { "s2mps13-regulator", S2MPS13X}, |
| { "s2mps14-regulator", S2MPS14X}, |
| { "s2mps15-regulator", S2MPS15X}, |
| { "s2mpu02-regulator", S2MPU02}, |
| { }, |
| }; |
| MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id); |
| |
| static struct platform_driver s2mps11_pmic_driver = { |
| .driver = { |
| .name = "s2mps11-pmic", |
| }, |
| .probe = s2mps11_pmic_probe, |
| .id_table = s2mps11_pmic_id, |
| }; |
| |
| module_platform_driver(s2mps11_pmic_driver); |
| |
| /* Module information */ |
| MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>"); |
| MODULE_DESCRIPTION("SAMSUNG S2MPS11/S2MPS14/S2MPS15/S2MPU02 Regulator Driver"); |
| MODULE_LICENSE("GPL"); |