Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) // Device driver for regulators in Hi6421V530 IC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) // Copyright (c) <2017> HiSilicon Technologies Co., Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) //              http://www.hisilicon.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) // Copyright (c) <2017> Linaro Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) //              https://www.linaro.org
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) // Author: Wang Xiaoyin <hw.wangxiaoyin@hisilicon.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) //         Guodong Xu <guodong.xu@linaro.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/mfd/hi6421-pmic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/regulator/driver.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  * struct hi6421v530_regulator_info - hi6421v530 regulator information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  * @desc: regulator description
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  * @mode_mask: ECO mode bitmask of LDOs; for BUCKs, this masks sleep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  * @eco_microamp: eco mode load upper limit (in uA), valid for LDOs only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) struct hi6421v530_regulator_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	struct regulator_desc rdesc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	u8 mode_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	u32 eco_microamp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) /* HI6421v530 regulators */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) enum hi6421v530_regulator_id {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	HI6421V530_LDO3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	HI6421V530_LDO9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	HI6421V530_LDO11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	HI6421V530_LDO15,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	HI6421V530_LDO16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) static const unsigned int ldo_3_voltages[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	1800000, 1825000, 1850000, 1875000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	1900000, 1925000, 1950000, 1975000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	2000000, 2025000, 2050000, 2075000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	2100000, 2125000, 2150000, 2200000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) static const unsigned int ldo_9_11_voltages[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	1750000, 1800000, 1825000, 2800000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	2850000, 2950000, 3000000, 3300000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) static const unsigned int ldo_15_16_voltages[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	1750000, 1800000, 2400000, 2600000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	2700000, 2850000, 2950000, 3000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) static const struct regulator_ops hi6421v530_ldo_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) #define HI6421V530_LDO_ENABLE_TIME (350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63)  * _id - LDO id name string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64)  * v_table - voltage table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65)  * vreg - voltage select register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66)  * vmask - voltage select mask
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67)  * ereg - enable register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68)  * emask - enable mask
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69)  * odelay - off/on delay time in uS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70)  * ecomask - eco mode mask
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71)  * ecoamp - eco mode load uppler limit in uA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) #define HI6421V530_LDO(_ID, v_table, vreg, vmask, ereg, emask,		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		   odelay, ecomask, ecoamp) {				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	.rdesc = {							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		.name		 = #_ID,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		.of_match        = of_match_ptr(#_ID),			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		.regulators_node = of_match_ptr("regulators"),		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		.ops		 = &hi6421v530_ldo_ops,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		.type		 = REGULATOR_VOLTAGE,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		.id		 = HI6421V530_##_ID,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		.owner		 = THIS_MODULE,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		.n_voltages	 = ARRAY_SIZE(v_table),			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		.volt_table	 = v_table,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		.vsel_reg	 = HI6421_REG_TO_BUS_ADDR(vreg),	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		.vsel_mask	 = vmask,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		.enable_reg	 = HI6421_REG_TO_BUS_ADDR(ereg),	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		.enable_mask	 = emask,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 		.enable_time	 = HI6421V530_LDO_ENABLE_TIME,		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		.off_on_delay	 = odelay,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	},								\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	.mode_mask	= ecomask,					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	.eco_microamp	= ecoamp,					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) /* HI6421V530 regulator information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) static struct hi6421v530_regulator_info hi6421v530_regulator_info[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	HI6421V530_LDO(LDO3, ldo_3_voltages, 0x061, 0xf, 0x060, 0x2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		   20000, 0x6, 8000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	HI6421V530_LDO(LDO9, ldo_9_11_voltages, 0x06b, 0x7, 0x06a, 0x2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 		   40000, 0x6, 8000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	HI6421V530_LDO(LDO11, ldo_9_11_voltages, 0x06f, 0x7, 0x06e, 0x2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		   40000, 0x6, 8000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	HI6421V530_LDO(LDO15, ldo_15_16_voltages, 0x077, 0x7, 0x076, 0x2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		   40000, 0x6, 8000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	HI6421V530_LDO(LDO16, ldo_15_16_voltages, 0x079, 0x7, 0x078, 0x2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		   40000, 0x6, 8000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) static unsigned int hi6421v530_regulator_ldo_get_mode(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 					struct regulator_dev *rdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	struct hi6421v530_regulator_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	unsigned int reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	info = rdev_get_drvdata(rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	regmap_read(rdev->regmap, rdev->desc->enable_reg, &reg_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	if (reg_val & (info->mode_mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		return REGULATOR_MODE_IDLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	return REGULATOR_MODE_NORMAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static int hi6421v530_regulator_ldo_set_mode(struct regulator_dev *rdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 						unsigned int mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	struct hi6421v530_regulator_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	unsigned int new_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	info = rdev_get_drvdata(rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	switch (mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	case REGULATOR_MODE_NORMAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		new_mode = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	case REGULATOR_MODE_IDLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		new_mode = info->mode_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 			   info->mode_mask, new_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static const struct regulator_ops hi6421v530_ldo_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	.is_enabled = regulator_is_enabled_regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	.enable = regulator_enable_regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	.disable = regulator_disable_regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	.list_voltage = regulator_list_voltage_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	.map_voltage = regulator_map_voltage_ascend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	.get_mode = hi6421v530_regulator_ldo_get_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	.set_mode = hi6421v530_regulator_ldo_set_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) static int hi6421v530_regulator_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	struct hi6421_pmic *pmic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	struct regulator_dev *rdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	struct regulator_config config = { };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	pmic = dev_get_drvdata(pdev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	if (!pmic) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		dev_err(&pdev->dev, "no pmic in the regulator parent node\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	for (i = 0; i < ARRAY_SIZE(hi6421v530_regulator_info); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		config.dev = pdev->dev.parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		config.regmap = pmic->regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		config.driver_data = &hi6421v530_regulator_info[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		rdev = devm_regulator_register(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 				&hi6421v530_regulator_info[i].rdesc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 				&config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		if (IS_ERR(rdev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 			dev_err(&pdev->dev, "failed to register regulator %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 				hi6421v530_regulator_info[i].rdesc.name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 			return PTR_ERR(rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) static const struct platform_device_id hi6421v530_regulator_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	{ .name = "hi6421v530-regulator" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	{},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) MODULE_DEVICE_TABLE(platform, hi6421v530_regulator_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static struct platform_driver hi6421v530_regulator_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	.id_table = hi6421v530_regulator_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		.name	= "hi6421v530-regulator",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	.probe	= hi6421v530_regulator_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) module_platform_driver(hi6421v530_regulator_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) MODULE_AUTHOR("Wang Xiaoyin <hw.wangxiaoyin@hisilicon.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) MODULE_DESCRIPTION("Hi6421v530 regulator driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) MODULE_LICENSE("GPL v2");