| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Chanwoo Choi | 1316 | 28.41% | 2 | 4.44% |
| Krzysztof Kozlowski | 986 | 21.29% | 19 | 42.22% |
| Yadwinder Singh Brar | 760 | 16.41% | 5 | 11.11% |
| Sangbeom Kim | 573 | 12.37% | 1 | 2.22% |
| Thomas Abraham | 543 | 11.72% | 1 | 2.22% |
| Amit Daniel Kachhap | 304 | 6.56% | 2 | 4.44% |
| Linus Walleij | 74 | 1.60% | 2 | 4.44% |
| Jonghwa Lee | 30 | 0.65% | 1 | 2.22% |
| Axel Lin | 18 | 0.39% | 3 | 6.67% |
| Alim Akhtar | 8 | 0.17% | 2 | 4.44% |
| Thiago Farina | 6 | 0.13% | 1 | 2.22% |
| Sachin Kamat | 6 | 0.13% | 1 | 2.22% |
| Kees Cook | 5 | 0.11% | 2 | 4.44% |
| Javier Martinez Canillas | 1 | 0.02% | 1 | 2.22% |
| Mark Brown | 1 | 0.02% | 1 | 2.22% |
| Marek Szyprowski | 1 | 0.02% | 1 | 2.22% |
| Total | 4632 | 45 |
// 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 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); unsigned int ramp_delay = 0; int old_volt, new_volt; switch (rdev_get_id(rdev)) { 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 ret; switch (rdev_get_id(rdev)) { 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_get_id(rdev) >= S2MPS11_BUCK2 && rdev_get_id(rdev) <= S2MPS11_BUCK4) || rdev_get_id(rdev) == 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 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 = 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, }; 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 = 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 = s2mps11_regulator_set_voltage_time_sel, .set_ramp_delay = s2mps11_set_ramp_delay, }; #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_600_MV, \ .uV_step = STEP_6_25_MV, \ .n_voltages = S2MPS11_BUCK_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_600_MV, \ .uV_step = STEP_6_25_MV, \ .n_voltages = S2MPS11_BUCK_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) { \ .name = "BUCK"#num, \ .id = S2MPS11_BUCK##num, \ .ops = &s2mps11_buck_ops, \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ .min_uV = min, \ .uV_step = step, \ .n_voltages = S2MPS11_BUCK_N_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_50_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_600_MV, STEP_6_25_MV), regulator_desc_s2mps11_buck67810(7, MIN_600_MV, STEP_6_25_MV), regulator_desc_s2mps11_buck67810(8, MIN_600_MV, STEP_6_25_MV), regulator_desc_s2mps11_buck9, regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV), }; 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 int s2mps14_regulator_enable(struct regulator_dev *rdev) { struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); unsigned int val; switch (s2mps11->dev_type) { case S2MPS13X: case S2MPS14X: if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state)) val = S2MPS14_ENABLE_SUSPEND; else if (s2mps11->ext_control_gpiod[rdev_get_id(rdev)]) val = S2MPS14_ENABLE_EXT_CONTROL; else val = rdev->desc->enable_mask; break; case S2MPU02: if (test_bit(rdev_get_id(rdev), 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 s2mps14_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 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_get_id(rdev), 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 s2mps14_reg_ops = { .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, .is_enabled = regulator_is_enabled_regmap, .enable = s2mps14_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 = s2mps14_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 regulator_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 regulator_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 regulator_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 regulator_linear_range s2mps15_ldo_voltage_ranges4[] = { REGULATOR_LINEAR_RANGE(700000, 0x10, 0x20, 25000), }; /* voltage range for s2mps15 LDO 1 */ static const struct regulator_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 regulator_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 regulator_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 (IS_ERR(gpio[reg])) { dev_err(&pdev->dev, "Failed to get control GPIO for %d/%s\n", reg, rdata[reg].name); 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; switch (rdev_get_id(rdev)) { 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 = s2mps14_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 = s2mps14_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 = s2mps14_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 = s2mps14_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 (s2mps11->ext_control_gpiod[i]) { 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");
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