// SPDX-License-Identifier: GPL-2.0-only /* * Regulator driver for Rockchip RK805/RK808/RK818 * * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd * Copyright (c) 2021 Rockchip Electronics Co., Ltd. * * Author: Chris Zhong <[email protected]> * Author: Zhang Qing <[email protected]> * Author: Xu Shengfei <[email protected]> * * Copyright (C) 2016 PHYTEC Messtechnik GmbH * * Author: Wadim Egorov <[email protected]> */ #include <linux/delay.h> #include <linux/module.h> #include <linux/of.h> #include <linux/mfd/rk808.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/of_regulator.h> #include <linux/gpio/consumer.h> /* Field Definitions */ #define RK808_BUCK_VSEL_MASK … #define RK808_BUCK4_VSEL_MASK … #define RK808_LDO_VSEL_MASK … #define RK809_BUCK5_VSEL_MASK … #define RK817_LDO_VSEL_MASK … #define RK817_BOOST_VSEL_MASK … #define RK817_BUCK_VSEL_MASK … #define RK818_BUCK_VSEL_MASK … #define RK818_BUCK4_VSEL_MASK … #define RK818_LDO_VSEL_MASK … #define RK818_LDO3_ON_VSEL_MASK … #define RK818_BOOST_ON_VSEL_MASK … #define RK806_DCDC_SLP_REG_OFFSET … #define RK806_NLDO_SLP_REG_OFFSET … #define RK806_PLDO_SLP_REG_OFFSET … #define RK806_BUCK_SEL_CNT … #define RK806_LDO_SEL_CNT … /* Ramp rate definitions for buck1 / buck2 only */ #define RK808_RAMP_RATE_OFFSET … #define RK808_RAMP_RATE_MASK … #define RK808_RAMP_RATE_2MV_PER_US … #define RK808_RAMP_RATE_4MV_PER_US … #define RK808_RAMP_RATE_6MV_PER_US … #define RK808_RAMP_RATE_10MV_PER_US … #define RK808_DVS2_POL … #define RK808_DVS1_POL … /* Offset from XXX_ON_VSEL to XXX_SLP_VSEL */ #define RK808_SLP_REG_OFFSET … /* Offset from XXX_ON_VSEL to XXX_DVS_VSEL */ #define RK808_DVS_REG_OFFSET … /* Offset from XXX_EN_REG to SLEEP_SET_OFF_XXX */ #define RK808_SLP_SET_OFF_REG_OFFSET … /* max steps for increase voltage of Buck1/2, equal 100mv*/ #define MAX_STEPS_ONE_TIME … #define ENABLE_MASK(id) … #define DISABLE_VAL(id) … #define RK817_BOOST_DESC(_id, _match, _supply, _min, _max, _step, _vreg,\ _vmask, _ereg, _emask, _enval, _disval, _etime, m_drop) … #define RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg, \ _vmask, _ereg, _emask, _enval, _disval, _etime, _ops) … #define RK805_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \ _vmask, _ereg, _emask, _etime) … #define RK806_REGULATOR(_name, _supply_name, _id, _ops,\ _n_voltages, _vr, _er, _lr, ctrl_bit,\ _rr, _rm, _rt) … #define RK8XX_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \ _vmask, _ereg, _emask, _etime) … #define RK816_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \ _vmask, _ereg, _emask, _disval, _etime) … #define RK817_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \ _vmask, _ereg, _emask, _disval, _etime) … #define RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask, \ _enval, _disval, _ops) … #define RK817_DESC_SWITCH(_id, _match, _supply, _ereg, _emask, \ _disval) … #define RK8XX_DESC_SWITCH(_id, _match, _supply, _ereg, _emask) … struct rk8xx_register_bit { … }; #define RK8XX_REG_BIT(_reg, _bit) … struct rk808_regulator_data { … }; static const struct linear_range rk808_ldo3_voltage_ranges[] = …; #define RK809_BUCK5_SEL_CNT … static const struct linear_range rk809_buck5_voltage_ranges[] = …; #define RK817_BUCK1_MIN0 … #define RK817_BUCK1_MAX0 … #define RK817_BUCK1_MIN1 … #define RK817_BUCK1_MAX1 … #define RK817_BUCK3_MAX1 … #define RK817_BUCK1_STP0 … #define RK817_BUCK1_STP1 … #define RK817_BUCK1_SEL0 … #define RK817_BUCK1_SEL1 … #define RK817_BUCK3_SEL1 … #define RK817_BUCK1_SEL_CNT … #define RK817_BUCK3_SEL_CNT … static const struct linear_range rk817_buck1_voltage_ranges[] = …; static const struct linear_range rk817_buck3_voltage_ranges[] = …; static const unsigned int rk808_buck1_2_ramp_table[] = …; /* RK817/RK809/RK816 (buck 1/2 only) */ static const unsigned int rk817_buck1_4_ramp_table[] = …; static int rk806_set_mode_dcdc(struct regulator_dev *rdev, unsigned int mode) { … } static unsigned int rk806_get_mode_dcdc(struct regulator_dev *rdev) { … } static const struct rk8xx_register_bit rk806_dcdc_rate2[] = …; static const unsigned int rk806_ramp_delay_table_dcdc[] = …; static int rk806_set_ramp_delay_dcdc(struct regulator_dev *rdev, int ramp_delay) { … } static const unsigned int rk806_ramp_delay_table_ldo[] = …; static int rk806_set_suspend_voltage_range(struct regulator_dev *rdev, int reg_offset, int uv) { … } static int rk806_set_suspend_voltage_range_dcdc(struct regulator_dev *rdev, int uv) { … } static int rk806_set_suspend_voltage_range_nldo(struct regulator_dev *rdev, int uv) { … } static int rk806_set_suspend_voltage_range_pldo(struct regulator_dev *rdev, int uv) { … } static int rk808_buck1_2_get_voltage_sel_regmap(struct regulator_dev *rdev) { … } static int rk808_buck1_2_i2c_set_voltage_sel(struct regulator_dev *rdev, unsigned sel) { … } static int rk808_buck1_2_set_voltage_sel(struct regulator_dev *rdev, unsigned sel) { … } static int rk808_buck1_2_set_voltage_time_sel(struct regulator_dev *rdev, unsigned int old_selector, unsigned int new_selector) { … } static int rk808_set_suspend_voltage(struct regulator_dev *rdev, int uv) { … } static int rk808_set_suspend_voltage_range(struct regulator_dev *rdev, int uv) { … } static int rk805_set_suspend_enable(struct regulator_dev *rdev) { … } static int rk805_set_suspend_disable(struct regulator_dev *rdev) { … } static const struct rk8xx_register_bit rk806_suspend_bits[] = …; static int rk806_set_suspend_enable(struct regulator_dev *rdev) { … } static int rk806_set_suspend_disable(struct regulator_dev *rdev) { … } static int rk808_set_suspend_enable(struct regulator_dev *rdev) { … } static int rk808_set_suspend_disable(struct regulator_dev *rdev) { … } static const struct rk8xx_register_bit rk816_suspend_bits[] = …; static int rk816_set_suspend_enable(struct regulator_dev *rdev) { … } static int rk816_set_suspend_disable(struct regulator_dev *rdev) { … } static int rk817_set_suspend_enable_ctrl(struct regulator_dev *rdev, unsigned int en) { … } static int rk817_set_suspend_enable(struct regulator_dev *rdev) { … } static int rk817_set_suspend_disable(struct regulator_dev *rdev) { … } static int rk8xx_set_suspend_mode(struct regulator_dev *rdev, unsigned int mode) { … } static int rk8xx_set_mode(struct regulator_dev *rdev, unsigned int mode) { … } static unsigned int rk8xx_get_mode(struct regulator_dev *rdev) { … } static int rk8xx_is_enabled_wmsk_regmap(struct regulator_dev *rdev) { … } static unsigned int rk8xx_regulator_of_map_mode(unsigned int mode) { … } static const struct regulator_ops rk805_reg_ops = …; static const struct regulator_ops rk805_switch_ops = …; static const struct regulator_ops rk806_ops_dcdc = …; static const struct regulator_ops rk806_ops_nldo = …; static const struct regulator_ops rk806_ops_pldo = …; static const struct regulator_ops rk808_buck1_2_ops = …; static const struct regulator_ops rk808_reg_ops = …; static const struct regulator_ops rk808_reg_ops_ranges = …; static const struct regulator_ops rk808_switch_ops = …; static const struct linear_range rk805_buck_1_2_voltage_ranges[] = …; static const struct regulator_ops rk809_buck5_ops_range = …; static const struct regulator_ops rk816_buck1_2_ops_ranges = …; static const struct regulator_ops rk816_buck4_ops_ranges = …; static const struct regulator_ops rk816_reg_ops = …; static const struct regulator_ops rk817_reg_ops = …; static const struct regulator_ops rk817_boost_ops = …; static const struct regulator_ops rk817_buck_ops_range = …; static const struct regulator_ops rk817_switch_ops = …; static const struct regulator_desc rk805_reg[] = …; static const struct linear_range rk806_buck_voltage_ranges[] = …; static const struct linear_range rk806_ldo_voltage_ranges[] = …; static const struct regulator_desc rk806_reg[] = …; static const struct regulator_desc rk808_reg[] = …; static const struct regulator_desc rk809_reg[] = …; static const struct linear_range rk816_buck_4_voltage_ranges[] = …; static const struct regulator_desc rk816_reg[] = …; static const struct regulator_desc rk817_reg[] = …; static const struct regulator_desc rk818_reg[] = …; static int rk808_regulator_dt_parse_pdata(struct device *dev, struct regmap *map, struct rk808_regulator_data *pdata) { … } static int rk808_regulator_probe(struct platform_device *pdev) { … } static struct platform_driver rk808_regulator_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …;
Codebase Browser
linux