[PATCHv7 11/11] regulator: rk808: add rk806 support

From: Sebastian Reichel
Date: Tue Mar 07 2023 - 10:37:10 EST

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Add rk806 support to the existing rk808 regulator
driver.

This has been implemented using shengfei Xu's rk806
specific driver from the vendor tree as reference.

Co-Developed-by: shengfei Xu <xsf@xxxxxxxxxxxxxx>
Signed-off-by: shengfei Xu <xsf@xxxxxxxxxxxxxx>
Reviewed-by: Matti Vaittinen <mazziesaccount@xxxxxxxxx>
Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
---
drivers/regulator/rk808-regulator.c | 383 ++++++++++++++++++++++++++++
1 file changed, 383 insertions(+)

diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index fa9fc1aa1ae3..3d534d411104 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -3,9 +3,11 @@
* 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 <zyw@xxxxxxxxxxxxxx>
* Author: Zhang Qing <zhangqing@xxxxxxxxxxxxxx>
+ * Author: Xu Shengfei <xsf@xxxxxxxxxxxxxx>
*
* Copyright (C) 2016 PHYTEC Messtechnik GmbH
*
@@ -39,6 +41,13 @@
#define RK818_LDO3_ON_VSEL_MASK 0xf
#define RK818_BOOST_ON_VSEL_MASK 0xe0

+#define RK806_DCDC_SLP_REG_OFFSET 0x0A
+#define RK806_NLDO_SLP_REG_OFFSET 0x05
+#define RK806_PLDO_SLP_REG_OFFSET 0x06
+
+#define RK806_BUCK_SEL_CNT 0xff
+#define RK806_LDO_SEL_CNT 0xff
+
/* Ramp rate definitions for buck1 / buck2 only */
#define RK808_RAMP_RATE_OFFSET 3
#define RK808_RAMP_RATE_MASK (3 << RK808_RAMP_RATE_OFFSET)
@@ -117,6 +126,34 @@
RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg, \
_vmask, _ereg, _emask, 0, 0, _etime, &rk805_reg_ops)

+#define RK806_REGULATOR(_name, _supply_name, _id, _ops,\
+ _n_voltages, _vr, _er, _lr, ctrl_bit,\
+ _rr, _rm, _rt)\
+[_id] = {\
+ .name = _name,\
+ .supply_name = _supply_name,\
+ .of_match = of_match_ptr(_name),\
+ .regulators_node = of_match_ptr("regulators"),\
+ .id = _id,\
+ .ops = &_ops,\
+ .type = REGULATOR_VOLTAGE,\
+ .n_voltages = _n_voltages,\
+ .linear_ranges = _lr,\
+ .n_linear_ranges = ARRAY_SIZE(_lr),\
+ .vsel_reg = _vr,\
+ .vsel_mask = 0xff,\
+ .enable_reg = _er,\
+ .enable_mask = ENABLE_MASK(ctrl_bit),\
+ .enable_val = ENABLE_MASK(ctrl_bit),\
+ .disable_val = DISABLE_VAL(ctrl_bit),\
+ .of_map_mode = rk8xx_regulator_of_map_mode,\
+ .ramp_reg = _rr,\
+ .ramp_mask = _rm,\
+ .ramp_delay_table = _rt, \
+ .n_ramp_values = ARRAY_SIZE(_rt), \
+ .owner = THIS_MODULE,\
+ }
+
#define RK8XX_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \
_vmask, _ereg, _emask, _etime) \
RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg, \
@@ -153,6 +190,17 @@
RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask, \
0, 0, &rk808_switch_ops)

+struct rk8xx_register_bit {
+ u8 reg;
+ u8 bit;
+};
+
+#define RK8XX_REG_BIT(_reg, _bit) \
+ { \
+ .reg = _reg, \
+ .bit = BIT(_bit), \
+ }
+
struct rk808_regulator_data {
struct gpio_desc *dvs_gpio[2];
};
@@ -216,6 +264,133 @@ static const unsigned int rk817_buck1_4_ramp_table[] = {
3000, 6300, 12500, 25000
};

+static int rk806_set_mode_dcdc(struct regulator_dev *rdev, unsigned int mode)
+{
+ int rid = rdev_get_id(rdev);
+ int ctr_bit, reg;
+
+ reg = RK806_POWER_FPWM_EN0 + rid / 8;
+ ctr_bit = rid % 8;
+
+ switch (mode) {
+ case REGULATOR_MODE_FAST:
+ return regmap_update_bits(rdev->regmap, reg,
+ PWM_MODE_MSK << ctr_bit,
+ FPWM_MODE << ctr_bit);
+ case REGULATOR_MODE_NORMAL:
+ return regmap_update_bits(rdev->regmap, reg,
+ PWM_MODE_MSK << ctr_bit,
+ AUTO_PWM_MODE << ctr_bit);
+ default:
+ dev_err(rdev_get_dev(rdev), "mode unsupported: %u\n", mode);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static unsigned int rk806_get_mode_dcdc(struct regulator_dev *rdev)
+{
+ int rid = rdev_get_id(rdev);
+ int ctr_bit, reg;
+ unsigned int val;
+ int err;
+
+ reg = RK806_POWER_FPWM_EN0 + rid / 8;
+ ctr_bit = rid % 8;
+
+ err = regmap_read(rdev->regmap, reg, &val);
+ if (err)
+ return err;
+
+ if ((val >> ctr_bit) & FPWM_MODE)
+ return REGULATOR_MODE_FAST;
+ else
+ return REGULATOR_MODE_NORMAL;
+}
+
+static const struct rk8xx_register_bit rk806_dcdc_rate2[] = {
+ RK8XX_REG_BIT(0xEB, 0),
+ RK8XX_REG_BIT(0xEB, 1),
+ RK8XX_REG_BIT(0xEB, 2),
+ RK8XX_REG_BIT(0xEB, 3),
+ RK8XX_REG_BIT(0xEB, 4),
+ RK8XX_REG_BIT(0xEB, 5),
+ RK8XX_REG_BIT(0xEB, 6),
+ RK8XX_REG_BIT(0xEB, 7),
+ RK8XX_REG_BIT(0xEA, 0),
+ RK8XX_REG_BIT(0xEA, 1),
+};
+
+static const unsigned int rk806_ramp_delay_table_dcdc[] = {
+ 50000, 25000, 12500, 6250, 3125, 1560, 961, 390
+};
+
+static int rk806_set_ramp_delay_dcdc(struct regulator_dev *rdev, int ramp_delay)
+{
+ int rid = rdev_get_id(rdev);
+ int regval, ramp_value, ret;
+
+ ret = regulator_find_closest_bigger(ramp_delay, rdev->desc->ramp_delay_table,
+ rdev->desc->n_ramp_values, &ramp_value);
+ if (ret) {
+ dev_warn(rdev_get_dev(rdev),
+ "Can't set ramp-delay %u, setting %u\n", ramp_delay,
+ rdev->desc->ramp_delay_table[ramp_value]);
+ }
+
+ regval = ramp_value << (ffs(rdev->desc->ramp_mask) - 1);
+
+ ret = regmap_update_bits(rdev->regmap, rdev->desc->ramp_reg,
+ rdev->desc->ramp_mask, regval);
+ if (ret)
+ return ret;
+
+ /*
+ * The above is effectively a copy of regulator_set_ramp_delay_regmap(),
+ * but that only stores the lower 2 bits for rk806 DCDC ramp. The MSB must
+ * be stored in a separate register, so this open codes the implementation
+ * to have access to the ramp_value.
+ */
+
+ regval = (ramp_value >> 2) & 0x1 ? rk806_dcdc_rate2[rid].bit : 0;
+ return regmap_update_bits(rdev->regmap, rk806_dcdc_rate2[rid].reg,
+ rk806_dcdc_rate2[rid].bit,
+ regval);
+}
+
+static const unsigned int rk806_ramp_delay_table_ldo[] = {
+ 100000, 50000, 25000, 12500, 6280, 3120, 1900, 780
+};
+
+static int rk806_set_suspend_voltage_range(struct regulator_dev *rdev, int reg_offset, int uv)
+{
+ int sel = regulator_map_voltage_linear_range(rdev, uv, uv);
+ unsigned int reg;
+
+ if (sel < 0)
+ return -EINVAL;
+
+ reg = rdev->desc->vsel_reg + reg_offset;
+
+ return regmap_update_bits(rdev->regmap, reg, rdev->desc->vsel_mask, sel);
+}
+
+static int rk806_set_suspend_voltage_range_dcdc(struct regulator_dev *rdev, int uv)
+{
+ return rk806_set_suspend_voltage_range(rdev, RK806_DCDC_SLP_REG_OFFSET, uv);
+}
+
+static int rk806_set_suspend_voltage_range_nldo(struct regulator_dev *rdev, int uv)
+{
+ return rk806_set_suspend_voltage_range(rdev, RK806_NLDO_SLP_REG_OFFSET, uv);
+}
+
+static int rk806_set_suspend_voltage_range_pldo(struct regulator_dev *rdev, int uv)
+{
+ return rk806_set_suspend_voltage_range(rdev, RK806_PLDO_SLP_REG_OFFSET, uv);
+}
+
static int rk808_buck1_2_get_voltage_sel_regmap(struct regulator_dev *rdev)
{
struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
@@ -393,6 +568,45 @@ static int rk805_set_suspend_disable(struct regulator_dev *rdev)
0);
}

+static const struct rk8xx_register_bit rk806_suspend_bits[] = {
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 0),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 1),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 2),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 3),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 4),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 5),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 6),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 7),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 6),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 7),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 0),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 1),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 2),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 3),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 4),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 1),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 2),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 3),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 4),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 5),
+ RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 0),
+};
+
+static int rk806_set_suspend_enable(struct regulator_dev *rdev)
+{
+ int rid = rdev_get_id(rdev);
+ return regmap_update_bits(rdev->regmap, rk806_suspend_bits[rid].reg,
+ rk806_suspend_bits[rid].bit,
+ rk806_suspend_bits[rid].bit);
+}
+
+static int rk806_set_suspend_disable(struct regulator_dev *rdev)
+{
+ int rid = rdev_get_id(rdev);
+ return regmap_update_bits(rdev->regmap, rk806_suspend_bits[rid].reg,
+ rk806_suspend_bits[rid].bit, 0);
+}
+
static int rk808_set_suspend_enable(struct regulator_dev *rdev)
{
unsigned int reg;
@@ -561,6 +775,64 @@ static const struct regulator_ops rk805_switch_ops = {
.set_suspend_disable = rk805_set_suspend_disable,
};

+static const struct regulator_ops rk806_ops_dcdc = {
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
+ .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_mode = rk806_set_mode_dcdc,
+ .get_mode = rk806_get_mode_dcdc,
+
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = rk8xx_is_enabled_wmsk_regmap,
+
+ .set_suspend_mode = rk806_set_mode_dcdc,
+ .set_ramp_delay = rk806_set_ramp_delay_dcdc,
+
+ .set_suspend_voltage = rk806_set_suspend_voltage_range_dcdc,
+ .set_suspend_enable = rk806_set_suspend_enable,
+ .set_suspend_disable = rk806_set_suspend_disable,
+};
+
+static const struct regulator_ops rk806_ops_nldo = {
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
+ .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,
+
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+
+ .set_ramp_delay = regulator_set_ramp_delay_regmap,
+
+ .set_suspend_voltage = rk806_set_suspend_voltage_range_nldo,
+ .set_suspend_enable = rk806_set_suspend_enable,
+ .set_suspend_disable = rk806_set_suspend_disable,
+};
+
+static const struct regulator_ops rk806_ops_pldo = {
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
+
+ .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,
+
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+
+ .set_ramp_delay = regulator_set_ramp_delay_regmap,
+
+ .set_suspend_voltage = rk806_set_suspend_voltage_range_pldo,
+ .set_suspend_enable = rk806_set_suspend_enable,
+ .set_suspend_disable = rk806_set_suspend_disable,
+};
+
static const struct regulator_ops rk808_buck1_2_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
@@ -743,6 +1015,112 @@ static const struct regulator_desc rk805_reg[] = {
BIT(2), 400),
};

+static const struct linear_range rk806_buck_voltage_ranges[] = {
+ REGULATOR_LINEAR_RANGE(500000, 0, 160, 6250), /* 500mV ~ 1500mV */
+ REGULATOR_LINEAR_RANGE(1500000, 161, 237, 25000), /* 1500mV ~ 3400mV */
+ REGULATOR_LINEAR_RANGE(3400000, 238, 255, 0),
+};
+
+static const struct linear_range rk806_ldo_voltage_ranges[] = {
+ REGULATOR_LINEAR_RANGE(500000, 0, 232, 12500), /* 500mV ~ 3400mV */
+ REGULATOR_LINEAR_RANGE(3400000, 233, 255, 0), /* 500mV ~ 3400mV */
+};
+
+static const struct regulator_desc rk806_reg[] = {
+ RK806_REGULATOR("dcdc-reg1", "vcc1", RK806_ID_DCDC1, rk806_ops_dcdc,
+ RK806_BUCK_SEL_CNT, RK806_BUCK1_ON_VSEL,
+ RK806_POWER_EN0, rk806_buck_voltage_ranges, 0,
+ RK806_BUCK1_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
+ RK806_REGULATOR("dcdc-reg2", "vcc2", RK806_ID_DCDC2, rk806_ops_dcdc,
+ RK806_BUCK_SEL_CNT, RK806_BUCK2_ON_VSEL,
+ RK806_POWER_EN0, rk806_buck_voltage_ranges, 1,
+ RK806_BUCK2_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
+ RK806_REGULATOR("dcdc-reg3", "vcc3", RK806_ID_DCDC3, rk806_ops_dcdc,
+ RK806_BUCK_SEL_CNT, RK806_BUCK3_ON_VSEL,
+ RK806_POWER_EN0, rk806_buck_voltage_ranges, 2,
+ RK806_BUCK3_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
+ RK806_REGULATOR("dcdc-reg4", "vcc4", RK806_ID_DCDC4, rk806_ops_dcdc,
+ RK806_BUCK_SEL_CNT, RK806_BUCK4_ON_VSEL,
+ RK806_POWER_EN0, rk806_buck_voltage_ranges, 3,
+ RK806_BUCK4_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
+
+ RK806_REGULATOR("dcdc-reg5", "vcc5", RK806_ID_DCDC5, rk806_ops_dcdc,
+ RK806_BUCK_SEL_CNT, RK806_BUCK5_ON_VSEL,
+ RK806_POWER_EN1, rk806_buck_voltage_ranges, 0,
+ RK806_BUCK5_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
+ RK806_REGULATOR("dcdc-reg6", "vcc6", RK806_ID_DCDC6, rk806_ops_dcdc,
+ RK806_BUCK_SEL_CNT, RK806_BUCK6_ON_VSEL,
+ RK806_POWER_EN1, rk806_buck_voltage_ranges, 1,
+ RK806_BUCK6_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
+ RK806_REGULATOR("dcdc-reg7", "vcc7", RK806_ID_DCDC7, rk806_ops_dcdc,
+ RK806_BUCK_SEL_CNT, RK806_BUCK7_ON_VSEL,
+ RK806_POWER_EN1, rk806_buck_voltage_ranges, 2,
+ RK806_BUCK7_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
+ RK806_REGULATOR("dcdc-reg8", "vcc8", RK806_ID_DCDC8, rk806_ops_dcdc,
+ RK806_BUCK_SEL_CNT, RK806_BUCK8_ON_VSEL,
+ RK806_POWER_EN1, rk806_buck_voltage_ranges, 3,
+ RK806_BUCK8_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
+
+ RK806_REGULATOR("dcdc-reg9", "vcc9", RK806_ID_DCDC9, rk806_ops_dcdc,
+ RK806_BUCK_SEL_CNT, RK806_BUCK9_ON_VSEL,
+ RK806_POWER_EN2, rk806_buck_voltage_ranges, 0,
+ RK806_BUCK9_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
+ RK806_REGULATOR("dcdc-reg10", "vcc10", RK806_ID_DCDC10, rk806_ops_dcdc,
+ RK806_BUCK_SEL_CNT, RK806_BUCK10_ON_VSEL,
+ RK806_POWER_EN2, rk806_buck_voltage_ranges, 1,
+ RK806_BUCK10_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
+
+ RK806_REGULATOR("nldo-reg1", "vcc13", RK806_ID_NLDO1, rk806_ops_nldo,
+ RK806_LDO_SEL_CNT, RK806_NLDO1_ON_VSEL,
+ RK806_POWER_EN3, rk806_ldo_voltage_ranges, 0,
+ 0xEA, 0x38, rk806_ramp_delay_table_ldo),
+ RK806_REGULATOR("nldo-reg2", "vcc13", RK806_ID_NLDO2, rk806_ops_nldo,
+ RK806_LDO_SEL_CNT, RK806_NLDO2_ON_VSEL,
+ RK806_POWER_EN3, rk806_ldo_voltage_ranges, 1,
+ 0xEA, 0x38, rk806_ramp_delay_table_ldo),
+ RK806_REGULATOR("nldo-reg3", "vcc13", RK806_ID_NLDO3, rk806_ops_nldo,
+ RK806_LDO_SEL_CNT, RK806_NLDO3_ON_VSEL,
+ RK806_POWER_EN3, rk806_ldo_voltage_ranges, 2,
+ 0xEA, 0x38, rk806_ramp_delay_table_ldo),
+ RK806_REGULATOR("nldo-reg4", "vcc14", RK806_ID_NLDO4, rk806_ops_nldo,
+ RK806_LDO_SEL_CNT, RK806_NLDO4_ON_VSEL,
+ RK806_POWER_EN3, rk806_ldo_voltage_ranges, 3,
+ 0xEA, 0x38, rk806_ramp_delay_table_ldo),
+
+ RK806_REGULATOR("nldo-reg5", "vcc14", RK806_ID_NLDO5, rk806_ops_nldo,
+ RK806_LDO_SEL_CNT, RK806_NLDO5_ON_VSEL,
+ RK806_POWER_EN5, rk806_ldo_voltage_ranges, 2,
+ 0xEA, 0x38, rk806_ramp_delay_table_ldo),
+
+ RK806_REGULATOR("pldo-reg1", "vcc11", RK806_ID_PLDO1, rk806_ops_pldo,
+ RK806_LDO_SEL_CNT, RK806_PLDO1_ON_VSEL,
+ RK806_POWER_EN4, rk806_ldo_voltage_ranges, 1,
+ 0xEA, 0x38, rk806_ramp_delay_table_ldo),
+ RK806_REGULATOR("pldo-reg2", "vcc11", RK806_ID_PLDO2, rk806_ops_pldo,
+ RK806_LDO_SEL_CNT, RK806_PLDO2_ON_VSEL,
+ RK806_POWER_EN4, rk806_ldo_voltage_ranges, 2,
+ 0xEA, 0x38, rk806_ramp_delay_table_ldo),
+ RK806_REGULATOR("pldo-reg3", "vcc11", RK806_ID_PLDO3, rk806_ops_pldo,
+ RK806_LDO_SEL_CNT, RK806_PLDO3_ON_VSEL,
+ RK806_POWER_EN4, rk806_ldo_voltage_ranges, 3,
+ 0xEA, 0x38, rk806_ramp_delay_table_ldo),
+
+ RK806_REGULATOR("pldo-reg4", "vcc12", RK806_ID_PLDO4, rk806_ops_pldo,
+ RK806_LDO_SEL_CNT, RK806_PLDO4_ON_VSEL,
+ RK806_POWER_EN5, rk806_ldo_voltage_ranges, 0,
+ 0xEA, 0x38, rk806_ramp_delay_table_ldo),
+ RK806_REGULATOR("pldo-reg5", "vcc12", RK806_ID_PLDO5, rk806_ops_pldo,
+ RK806_LDO_SEL_CNT, RK806_PLDO5_ON_VSEL,
+ RK806_POWER_EN5, rk806_ldo_voltage_ranges, 1,
+ 0xEA, 0x38, rk806_ramp_delay_table_ldo),
+
+ RK806_REGULATOR("pldo-reg6", "vcca", RK806_ID_PLDO6, rk806_ops_pldo,
+ RK806_LDO_SEL_CNT, RK806_PLDO6_ON_VSEL,
+ RK806_POWER_EN4, rk806_ldo_voltage_ranges, 0,
+ 0xEA, 0x38, rk806_ramp_delay_table_ldo),
+};
+
+
static const struct regulator_desc rk808_reg[] = {
{
.name = "DCDC_REG1",
@@ -1312,6 +1690,10 @@ static int rk808_regulator_probe(struct platform_device *pdev)
regulators = rk805_reg;
nregulators = RK805_NUM_REGULATORS;
break;
+ case RK806_ID:
+ regulators = rk806_reg;
+ nregulators = ARRAY_SIZE(rk806_reg);
+ break;
case RK808_ID:
regulators = rk808_reg;
nregulators = RK808_NUM_REGULATORS;
@@ -1365,5 +1747,6 @@ MODULE_AUTHOR("Tony xie <tony.xie@xxxxxxxxxxxxxx>");
MODULE_AUTHOR("Chris Zhong <zyw@xxxxxxxxxxxxxx>");
MODULE_AUTHOR("Zhang Qing <zhangqing@xxxxxxxxxxxxxx>");
MODULE_AUTHOR("Wadim Egorov <w.egorov@xxxxxxxxx>");
+MODULE_AUTHOR("Xu Shengfei <xsf@xxxxxxxxxxxxxx>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:rk808-regulator");
--
2.39.2

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