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-rw-r--r--drivers/regulator/rk808-regulator.c963
1 files changed, 963 insertions, 0 deletions
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
new file mode 100644
index 0000000000..adb0262314
--- /dev/null
+++ b/drivers/regulator/rk808-regulator.c
@@ -0,0 +1,963 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Regulator driver for Rockchip RK808
+ *
+ * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * Author: Chris Zhong <zyw@rock-chips.com>
+ * Author: Zhang Qing <zhangqing@rock-chips.com>
+ */
+
+#include <common.h>
+#include <driver.h>
+#include <gpio.h>
+#include <init.h>
+#include <i2c/i2c.h>
+#include <of_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/of_regulator.h>
+#include <regulator.h>
+#include <linux/mfd/rk808.h>
+
+/* Field Definitions */
+#define RK808_BUCK_VSEL_MASK 0x3f
+#define RK808_BUCK4_VSEL_MASK 0xf
+#define RK808_LDO_VSEL_MASK 0x1f
+
+#define RK809_BUCK5_VSEL_MASK 0x7
+
+#define RK817_LDO_VSEL_MASK 0x7f
+#define RK817_BOOST_VSEL_MASK 0x7
+#define RK817_BUCK_VSEL_MASK 0x7f
+
+#define RK818_BUCK_VSEL_MASK 0x3f
+#define RK818_BUCK4_VSEL_MASK 0x1f
+#define RK818_LDO_VSEL_MASK 0x1f
+#define RK818_LDO3_ON_VSEL_MASK 0xf
+#define RK818_BOOST_ON_VSEL_MASK 0xe0
+
+#define ENABLE_MASK(id) (BIT(id) | BIT(4 + (id)))
+#define DISABLE_VAL(id) (BIT(4 + (id)))
+
+#define RK817_BOOST_DESC(_supply_name, _min, _max, _step, _vreg,\
+ _vmask, _ereg, _emask, _enval, _disval, _etime) \
+ {{ \
+ .supply_name = (_supply_name), \
+ .n_voltages = (((_max) - (_min)) / (_step) + 1), \
+ .min_uV = (_min) * 1000, \
+ .uV_step = (_step) * 1000, \
+ .vsel_reg = (_vreg), \
+ .vsel_mask = (_vmask), \
+ .enable_reg = (_ereg), \
+ .enable_mask = (_emask), \
+ .enable_val = (_enval), \
+ .disable_val = (_disval), \
+ .off_on_delay = (_etime), \
+ .ops = &rk817_boost_ops, \
+ }}
+
+#define RK8XX_DESC_COM(_supply_name, _min, _max, _step, _vreg, \
+ _vmask, _ereg, _emask, _enval, _disval, _etime, _ops) \
+ {{ \
+ .supply_name = (_supply_name), \
+ .n_voltages = (((_max) - (_min)) / (_step) + 1), \
+ .min_uV = (_min) * 1000, \
+ .uV_step = (_step) * 1000, \
+ .vsel_reg = (_vreg), \
+ .vsel_mask = (_vmask), \
+ .enable_reg = (_ereg), \
+ .enable_mask = (_emask), \
+ .enable_val = (_enval), \
+ .disable_val = (_disval), \
+ .off_on_delay = (_etime), \
+ .ops = _ops, \
+ }}
+
+#define RK805_DESC(_supply_name, _min, _max, _step, _vreg, \
+ _vmask, _ereg, _emask, _etime) \
+ RK8XX_DESC_COM(_supply_name, _min, _max, _step, _vreg, \
+ _vmask, _ereg, _emask, 0, 0, _etime, &rk808_reg_ops)
+
+#define RK8XX_DESC(_supply_name, _min, _max, _step, _vreg, \
+ _vmask, _ereg, _emask, _etime) \
+ RK8XX_DESC_COM(_supply_name, _min, _max, _step, _vreg, \
+ _vmask, _ereg, _emask, 0, 0, _etime, &rk808_reg_ops)
+
+#define RK817_DESC(_supply_name, _min, _max, _step, _vreg, \
+ _vmask, _ereg, _emask, _disval, _etime) \
+ RK8XX_DESC_COM(_supply_name, _min, _max, _step, _vreg, \
+ _vmask, _ereg, _emask, _emask, _disval, _etime, &rk817_reg_ops)
+
+#define RKXX_DESC_SWITCH_COM(_supply_name,_ereg, _emask, \
+ _enval, _disval, _ops) \
+ {{ \
+ .supply_name = (_supply_name), \
+ .enable_reg = (_ereg), \
+ .enable_mask = (_emask), \
+ .enable_val = (_enval), \
+ .disable_val = (_disval), \
+ .ops = _ops \
+ }}
+
+#define RK817_DESC_SWITCH(_supply_name, _ereg, _emask, \
+ _disval) \
+ RKXX_DESC_SWITCH_COM(_supply_name, _ereg, _emask, \
+ _emask, _disval, &rk817_switch_ops)
+
+#define RK8XX_DESC_SWITCH(_supply_name, _ereg, _emask) \
+ RKXX_DESC_SWITCH_COM(_supply_name, _ereg, _emask, \
+ 0, 0, &rk808_switch_ops)
+
+static const struct regulator_linear_range rk808_ldo3_voltage_ranges[] = {
+ REGULATOR_LINEAR_RANGE(800000, 0, 13, 100000),
+ REGULATOR_LINEAR_RANGE(2500000, 15, 15, 0),
+};
+
+#define RK809_BUCK5_SEL_CNT (8)
+
+static const struct regulator_linear_range rk809_buck5_voltage_ranges[] = {
+ REGULATOR_LINEAR_RANGE(1500000, 0, 0, 0),
+ REGULATOR_LINEAR_RANGE(1800000, 1, 3, 200000),
+ REGULATOR_LINEAR_RANGE(2800000, 4, 5, 200000),
+ REGULATOR_LINEAR_RANGE(3300000, 6, 7, 300000),
+};
+
+#define RK817_BUCK1_MIN0 500000
+#define RK817_BUCK1_MAX0 1500000
+
+#define RK817_BUCK1_MIN1 1600000
+#define RK817_BUCK1_MAX1 2400000
+
+#define RK817_BUCK3_MAX1 3400000
+
+#define RK817_BUCK1_STP0 12500
+#define RK817_BUCK1_STP1 100000
+
+#define RK817_BUCK1_SEL0 ((RK817_BUCK1_MAX0 - RK817_BUCK1_MIN0) /\
+ RK817_BUCK1_STP0)
+#define RK817_BUCK1_SEL1 ((RK817_BUCK1_MAX1 - RK817_BUCK1_MIN1) /\
+ RK817_BUCK1_STP1)
+
+#define RK817_BUCK3_SEL1 ((RK817_BUCK3_MAX1 - RK817_BUCK1_MIN1) /\
+ RK817_BUCK1_STP1)
+
+#define RK817_BUCK1_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK1_SEL1 + 1)
+#define RK817_BUCK3_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK3_SEL1 + 1)
+
+static const struct regulator_linear_range rk817_buck1_voltage_ranges[] = {
+ REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
+ RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
+ REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
+ RK817_BUCK1_SEL_CNT, RK817_BUCK1_STP1),
+};
+
+static const struct regulator_linear_range rk817_buck3_voltage_ranges[] = {
+ REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
+ RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
+ REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
+ RK817_BUCK3_SEL_CNT, RK817_BUCK1_STP1),
+};
+
+struct rk_regulator_cfg {
+ struct regulator_desc desc;
+ struct regulator_dev rdev;
+};
+
+static int rk8xx_is_enabled_wmsk_regmap(struct regulator_dev *rdev)
+{
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
+ if (ret != 0)
+ return ret;
+
+ /* add write mask bit */
+ val |= (rdev->desc->enable_mask & 0xf0);
+ val &= rdev->desc->enable_mask;
+
+ if (rdev->desc->enable_is_inverted) {
+ if (rdev->desc->enable_val)
+ return val != rdev->desc->enable_val;
+ return (val == 0);
+ }
+ if (rdev->desc->enable_val)
+ return val == rdev->desc->enable_val;
+ return val != 0;
+}
+
+static struct regulator_ops rk808_buck1_2_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static struct regulator_ops rk808_reg_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static struct regulator_ops rk808_reg_ops_ranges = {
+ .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,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static struct regulator_ops rk808_switch_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static const struct regulator_linear_range rk805_buck_1_2_voltage_ranges[] = {
+ REGULATOR_LINEAR_RANGE(712500, 0, 59, 12500),
+ REGULATOR_LINEAR_RANGE(1800000, 60, 62, 200000),
+ REGULATOR_LINEAR_RANGE(2300000, 63, 63, 0),
+};
+
+static const struct regulator_ops rk809_buck5_ops_range = {
+ .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,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = rk8xx_is_enabled_wmsk_regmap,
+};
+
+static const struct regulator_ops rk817_reg_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = rk8xx_is_enabled_wmsk_regmap,
+};
+
+static const struct regulator_ops rk817_boost_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = rk8xx_is_enabled_wmsk_regmap,
+};
+
+static const struct regulator_ops rk817_buck_ops_range = {
+ .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,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = rk8xx_is_enabled_wmsk_regmap,
+};
+
+static const struct regulator_ops rk817_switch_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = rk8xx_is_enabled_wmsk_regmap,
+};
+
+static struct rk_regulator_cfg rk805_reg[] = {
+ {{
+ /* .name = "DCDC_REG1", */
+ .supply_name = "vcc1",
+ .ops = &rk808_reg_ops_ranges,
+ .n_voltages = 64,
+ .linear_ranges = rk805_buck_1_2_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk805_buck_1_2_voltage_ranges),
+ .vsel_reg = RK805_BUCK1_ON_VSEL_REG,
+ .vsel_mask = RK818_BUCK_VSEL_MASK,
+ .enable_reg = RK805_DCDC_EN_REG,
+ .enable_mask = BIT(0),
+ }}, {{
+ /* .name = "DCDC_REG2", */
+ .supply_name = "vcc2",
+ .ops = &rk808_reg_ops_ranges,
+ .n_voltages = 64,
+ .linear_ranges = rk805_buck_1_2_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk805_buck_1_2_voltage_ranges),
+ .vsel_reg = RK805_BUCK2_ON_VSEL_REG,
+ .vsel_mask = RK818_BUCK_VSEL_MASK,
+ .enable_reg = RK805_DCDC_EN_REG,
+ .enable_mask = BIT(1),
+ }}, {{
+ /* .name = "DCDC_REG3", */
+ .supply_name = "vcc3",
+ .ops = &rk808_switch_ops,
+ .n_voltages = 1,
+ .enable_reg = RK805_DCDC_EN_REG,
+ .enable_mask = BIT(2),
+ }},
+
+ RK805_DESC(/* "DCDC_REG4", */ "vcc4", 800, 3400, 100,
+ RK805_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
+ RK805_DCDC_EN_REG, BIT(3), 0),
+
+ RK805_DESC(/* "LDO_REG1", */ "vcc5", 800, 3400, 100,
+ RK805_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+ BIT(0), 400),
+ RK805_DESC(/* "LDO_REG2", */ "vcc5", 800, 3400, 100,
+ RK805_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+ BIT(1), 400),
+ RK805_DESC(/* "LDO_REG3", */ "vcc6", 800, 3400, 100,
+ RK805_LDO3_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+ BIT(2), 400),
+};
+static_assert(ARRAY_SIZE(rk805_reg) == RK805_NUM_REGULATORS);
+
+static struct rk_regulator_cfg rk808_reg[] = {
+ {{
+ /* .name = "DCDC_REG1", */
+ .supply_name = "vcc1",
+ .ops = &rk808_buck1_2_ops,
+ .min_uV = 712500,
+ .uV_step = 12500,
+ .n_voltages = 64,
+ .vsel_reg = RK808_BUCK1_ON_VSEL_REG,
+ .vsel_mask = RK808_BUCK_VSEL_MASK,
+ .enable_reg = RK808_DCDC_EN_REG,
+ .enable_mask = BIT(0),
+ }}, {{
+ /* .name = "DCDC_REG2", */
+ .supply_name = "vcc2",
+ .ops = &rk808_buck1_2_ops,
+ .min_uV = 712500,
+ .uV_step = 12500,
+ .n_voltages = 64,
+ .vsel_reg = RK808_BUCK2_ON_VSEL_REG,
+ .vsel_mask = RK808_BUCK_VSEL_MASK,
+ .enable_reg = RK808_DCDC_EN_REG,
+ .enable_mask = BIT(1),
+ }}, {{
+ /* .name = "DCDC_REG3", */
+ .supply_name = "vcc3",
+ .ops = &rk808_switch_ops,
+ .n_voltages = 1,
+ .enable_reg = RK808_DCDC_EN_REG,
+ .enable_mask = BIT(2),
+ }}, {{
+ /* .name = "DCDC_REG4", */
+ .supply_name = "vcc4",
+ .ops = &rk808_reg_ops,
+ .min_uV = 1800000,
+ .uV_step = 100000,
+ .n_voltages = 16,
+ .vsel_reg = RK808_BUCK4_ON_VSEL_REG,
+ .vsel_mask = RK808_BUCK4_VSEL_MASK,
+ .enable_reg = RK808_DCDC_EN_REG,
+ .enable_mask = BIT(3),
+ }}, {{
+ /* .name = "LDO_REG1", */
+ .supply_name = "vcc6",
+ .ops = &rk808_reg_ops,
+ .min_uV = 1800000,
+ .uV_step = 100000,
+ .n_voltages = 17,
+ .vsel_reg = RK808_LDO1_ON_VSEL_REG,
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(0),
+ .off_on_delay = 400,
+ }}, {{
+ /* .name = "LDO_REG2", */
+ .supply_name = "vcc6",
+ .ops = &rk808_reg_ops,
+ .min_uV = 1800000,
+ .uV_step = 100000,
+ .n_voltages = 17,
+ .vsel_reg = RK808_LDO2_ON_VSEL_REG,
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(1),
+ .off_on_delay = 400,
+ }}, {{
+ /* .name = "LDO_REG3", */
+ .supply_name = "vcc7",
+ .ops = &rk808_reg_ops_ranges,
+ .n_voltages = 16,
+ .linear_ranges = rk808_ldo3_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
+ .vsel_reg = RK808_LDO3_ON_VSEL_REG,
+ .vsel_mask = RK808_BUCK4_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(2),
+ .off_on_delay = 400,
+ }}, {{
+ /* .name = "LDO_REG4", */
+ .supply_name = "vcc9",
+ .ops = &rk808_reg_ops,
+ .min_uV = 1800000,
+ .uV_step = 100000,
+ .n_voltages = 17,
+ .vsel_reg = RK808_LDO4_ON_VSEL_REG,
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(3),
+ .off_on_delay = 400,
+ }}, {{
+ /* .name = "LDO_REG5", */
+ .supply_name = "vcc9",
+ .ops = &rk808_reg_ops,
+ .min_uV = 1800000,
+ .uV_step = 100000,
+ .n_voltages = 17,
+ .vsel_reg = RK808_LDO5_ON_VSEL_REG,
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(4),
+ .off_on_delay = 400,
+ }}, {{
+ /* .name = "LDO_REG6", */
+ .supply_name = "vcc10",
+ .ops = &rk808_reg_ops,
+ .min_uV = 800000,
+ .uV_step = 100000,
+ .n_voltages = 18,
+ .vsel_reg = RK808_LDO6_ON_VSEL_REG,
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(5),
+ .off_on_delay = 400,
+ }}, {{
+ /* .name = "LDO_REG7", */
+ .supply_name = "vcc7",
+ .ops = &rk808_reg_ops,
+ .min_uV = 800000,
+ .uV_step = 100000,
+ .n_voltages = 18,
+ .vsel_reg = RK808_LDO7_ON_VSEL_REG,
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(6),
+ .off_on_delay = 400,
+ }}, {{
+ /* .name = "LDO_REG8", */
+ .supply_name = "vcc11",
+ .ops = &rk808_reg_ops,
+ .min_uV = 1800000,
+ .uV_step = 100000,
+ .n_voltages = 17,
+ .vsel_reg = RK808_LDO8_ON_VSEL_REG,
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(7),
+ .off_on_delay = 400,
+ }}, {{
+ /* .name = "SWITCH_REG1", */
+ .supply_name = "vcc8",
+ .ops = &rk808_switch_ops,
+ .enable_reg = RK808_DCDC_EN_REG,
+ .enable_mask = BIT(5),
+ }}, {{
+ /* .name = "SWITCH_REG2", */
+ .supply_name = "vcc12",
+ .ops = &rk808_switch_ops,
+ .enable_reg = RK808_DCDC_EN_REG,
+ .enable_mask = BIT(6),
+ }},
+};
+static_assert(ARRAY_SIZE(rk808_reg) == RK808_NUM_REGULATORS);
+
+static struct rk_regulator_cfg rk809_reg[] = {
+ {{
+ /* .name = "DCDC_REG1", */
+ .supply_name = "vcc1",
+ .ops = &rk817_buck_ops_range,
+ .n_voltages = RK817_BUCK1_SEL_CNT + 1,
+ .linear_ranges = rk817_buck1_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
+ .vsel_reg = RK817_BUCK1_ON_VSEL_REG,
+ .vsel_mask = RK817_BUCK_VSEL_MASK,
+ .enable_reg = RK817_POWER_EN_REG(0),
+ .enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
+ .enable_val = ENABLE_MASK(RK817_ID_DCDC1),
+ .disable_val = DISABLE_VAL(RK817_ID_DCDC1),
+ }}, {{
+ /* .name = "DCDC_REG2", */
+ .supply_name = "vcc2",
+ .ops = &rk817_buck_ops_range,
+ .n_voltages = RK817_BUCK1_SEL_CNT + 1,
+ .linear_ranges = rk817_buck1_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
+ .vsel_reg = RK817_BUCK2_ON_VSEL_REG,
+ .vsel_mask = RK817_BUCK_VSEL_MASK,
+ .enable_reg = RK817_POWER_EN_REG(0),
+ .enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
+ .enable_val = ENABLE_MASK(RK817_ID_DCDC2),
+ .disable_val = DISABLE_VAL(RK817_ID_DCDC2),
+ }}, {{
+ /* .name = "DCDC_REG3", */
+ .supply_name = "vcc3",
+ .ops = &rk817_buck_ops_range,
+ .n_voltages = RK817_BUCK1_SEL_CNT + 1,
+ .linear_ranges = rk817_buck1_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
+ .vsel_reg = RK817_BUCK3_ON_VSEL_REG,
+ .vsel_mask = RK817_BUCK_VSEL_MASK,
+ .enable_reg = RK817_POWER_EN_REG(0),
+ .enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
+ .enable_val = ENABLE_MASK(RK817_ID_DCDC3),
+ .disable_val = DISABLE_VAL(RK817_ID_DCDC3),
+ }}, {{
+ /* .name = "DCDC_REG4", */
+ .supply_name = "vcc4",
+ .ops = &rk817_buck_ops_range,
+ .n_voltages = RK817_BUCK3_SEL_CNT + 1,
+ .linear_ranges = rk817_buck3_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk817_buck3_voltage_ranges),
+ .vsel_reg = RK817_BUCK4_ON_VSEL_REG,
+ .vsel_mask = RK817_BUCK_VSEL_MASK,
+ .enable_reg = RK817_POWER_EN_REG(0),
+ .enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
+ .enable_val = ENABLE_MASK(RK817_ID_DCDC4),
+ .disable_val = DISABLE_VAL(RK817_ID_DCDC4),
+ }},
+ RK817_DESC(/* "LDO_REG1", */ "vcc5", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(0), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(1), ENABLE_MASK(0),
+ DISABLE_VAL(0), 400),
+ RK817_DESC(/* "LDO_REG2", */ "vcc5", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(1), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(1), ENABLE_MASK(1),
+ DISABLE_VAL(1), 400),
+ RK817_DESC(/* "LDO_REG3", */ "vcc5", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(2), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(1), ENABLE_MASK(2),
+ DISABLE_VAL(2), 400),
+ RK817_DESC(/* "LDO_REG4", */ "vcc6", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(3), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(1), ENABLE_MASK(3),
+ DISABLE_VAL(3), 400),
+ RK817_DESC(/* "LDO_REG5", */ "vcc6", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(4), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(2), ENABLE_MASK(0),
+ DISABLE_VAL(0), 400),
+ RK817_DESC(/* "LDO_REG6", */ "vcc6", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(5), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(2), ENABLE_MASK(1),
+ DISABLE_VAL(1), 400),
+ RK817_DESC(/* "LDO_REG7", */ "vcc7", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(6), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(2), ENABLE_MASK(2),
+ DISABLE_VAL(2), 400),
+ RK817_DESC(/* "LDO_REG8", */ "vcc7", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(7), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(2), ENABLE_MASK(3),
+ DISABLE_VAL(3), 400),
+ RK817_DESC(/* "LDO_REG9", */ "vcc7", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(8), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(3), ENABLE_MASK(0),
+ DISABLE_VAL(0), 400),
+ {{
+ /* .name = "DCDC_REG5", */
+ .supply_name = "vcc9",
+ .ops = &rk809_buck5_ops_range,
+ .n_voltages = RK809_BUCK5_SEL_CNT,
+ .linear_ranges = rk809_buck5_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk809_buck5_voltage_ranges),
+ .vsel_reg = RK809_BUCK5_CONFIG(0),
+ .vsel_mask = RK809_BUCK5_VSEL_MASK,
+ .enable_reg = RK817_POWER_EN_REG(3),
+ .enable_mask = ENABLE_MASK(1),
+ .enable_val = ENABLE_MASK(1),
+ .disable_val = DISABLE_VAL(1),
+ }},
+ RK817_DESC_SWITCH(/* "SWITCH_REG1", */ "vcc9",
+ RK817_POWER_EN_REG(3), ENABLE_MASK(2), DISABLE_VAL(2)),
+ RK817_DESC_SWITCH(/* "SWITCH_REG2", */ "vcc8",
+ RK817_POWER_EN_REG(3), ENABLE_MASK(3), DISABLE_VAL(3)),
+};
+static_assert(ARRAY_SIZE(rk809_reg) == RK809_NUM_REGULATORS);
+
+static struct rk_regulator_cfg rk817_reg[] = {
+ {{
+ /* .name = "DCDC_REG1", */
+ .supply_name = "vcc1",
+ .ops = &rk817_buck_ops_range,
+ .n_voltages = RK817_BUCK1_SEL_CNT + 1,
+ .linear_ranges = rk817_buck1_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
+ .vsel_reg = RK817_BUCK1_ON_VSEL_REG,
+ .vsel_mask = RK817_BUCK_VSEL_MASK,
+ .enable_reg = RK817_POWER_EN_REG(0),
+ .enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
+ .enable_val = ENABLE_MASK(RK817_ID_DCDC1),
+ .disable_val = DISABLE_VAL(RK817_ID_DCDC1),
+ }}, {{
+ /* .name = "DCDC_REG2", */
+ .supply_name = "vcc2",
+ .ops = &rk817_buck_ops_range,
+ .n_voltages = RK817_BUCK1_SEL_CNT + 1,
+ .linear_ranges = rk817_buck1_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
+ .vsel_reg = RK817_BUCK2_ON_VSEL_REG,
+ .vsel_mask = RK817_BUCK_VSEL_MASK,
+ .enable_reg = RK817_POWER_EN_REG(0),
+ .enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
+ .enable_val = ENABLE_MASK(RK817_ID_DCDC2),
+ .disable_val = DISABLE_VAL(RK817_ID_DCDC2),
+ }}, {{
+ /* .name = "DCDC_REG3", */
+ .supply_name = "vcc3",
+ .ops = &rk817_buck_ops_range,
+ .n_voltages = RK817_BUCK1_SEL_CNT + 1,
+ .linear_ranges = rk817_buck1_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
+ .vsel_reg = RK817_BUCK3_ON_VSEL_REG,
+ .vsel_mask = RK817_BUCK_VSEL_MASK,
+ .enable_reg = RK817_POWER_EN_REG(0),
+ .enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
+ .enable_val = ENABLE_MASK(RK817_ID_DCDC3),
+ .disable_val = DISABLE_VAL(RK817_ID_DCDC3),
+ }}, {{
+ /* .name = "DCDC_REG4", */
+ .supply_name = "vcc4",
+ .ops = &rk817_buck_ops_range,
+ .n_voltages = RK817_BUCK3_SEL_CNT + 1,
+ .linear_ranges = rk817_buck3_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk817_buck3_voltage_ranges),
+ .vsel_reg = RK817_BUCK4_ON_VSEL_REG,
+ .vsel_mask = RK817_BUCK_VSEL_MASK,
+ .enable_reg = RK817_POWER_EN_REG(0),
+ .enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
+ .enable_val = ENABLE_MASK(RK817_ID_DCDC4),
+ .disable_val = DISABLE_VAL(RK817_ID_DCDC4),
+ }},
+ RK817_DESC(/* "LDO_REG1", */ "vcc5", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(0), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(1), ENABLE_MASK(0),
+ DISABLE_VAL(0), 400),
+ RK817_DESC(/* "LDO_REG2", */ "vcc5", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(1), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(1), ENABLE_MASK(1),
+ DISABLE_VAL(1), 400),
+ RK817_DESC(/* "LDO_REG3", */ "vcc5", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(2), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(1), ENABLE_MASK(2),
+ DISABLE_VAL(2), 400),
+ RK817_DESC(/* "LDO_REG4", */ "vcc6", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(3), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(1), ENABLE_MASK(3),
+ DISABLE_VAL(3), 400),
+ RK817_DESC(/* "LDO_REG5", */ "vcc6", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(4), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(2), ENABLE_MASK(0),
+ DISABLE_VAL(0), 400),
+ RK817_DESC(/* "LDO_REG6", */ "vcc6", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(5), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(2), ENABLE_MASK(1),
+ DISABLE_VAL(1), 400),
+ RK817_DESC(/* "LDO_REG7", */ "vcc7", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(6), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(2), ENABLE_MASK(2),
+ DISABLE_VAL(2), 400),
+ RK817_DESC(/* "LDO_REG8", */ "vcc7", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(7), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(2), ENABLE_MASK(3),
+ DISABLE_VAL(3), 400),
+ RK817_DESC(/* "LDO_REG9", */ "vcc7", 600, 3400, 25,
+ RK817_LDO_ON_VSEL_REG(8), RK817_LDO_VSEL_MASK,
+ RK817_POWER_EN_REG(3), ENABLE_MASK(0),
+ DISABLE_VAL(0), 400),
+ RK817_BOOST_DESC(/* "BOOST", */ "vcc8", 4700, 5400, 100,
+ RK817_BOOST_OTG_CFG, RK817_BOOST_VSEL_MASK,
+ RK817_POWER_EN_REG(3), ENABLE_MASK(1), ENABLE_MASK(1),
+ DISABLE_VAL(1), 400),
+ RK817_DESC_SWITCH(/* "OTG_SWITCH", */ "vcc9",
+ RK817_POWER_EN_REG(3), ENABLE_MASK(2), DISABLE_VAL(2)),
+};
+static_assert(ARRAY_SIZE(rk817_reg) == RK817_NUM_REGULATORS);
+
+static struct rk_regulator_cfg rk818_reg[] = {
+ {{
+ /* .name = "DCDC_REG1", */
+ .supply_name = "vcc1",
+ .ops = &rk808_reg_ops,
+ .min_uV = 712500,
+ .uV_step = 12500,
+ .n_voltages = 64,
+ .vsel_reg = RK818_BUCK1_ON_VSEL_REG,
+ .vsel_mask = RK818_BUCK_VSEL_MASK,
+ .enable_reg = RK818_DCDC_EN_REG,
+ .enable_mask = BIT(0),
+ }}, {{
+ /* .name = "DCDC_REG2", */
+ .supply_name = "vcc2",
+ .ops = &rk808_reg_ops,
+ .min_uV = 712500,
+ .uV_step = 12500,
+ .n_voltages = 64,
+ .vsel_reg = RK818_BUCK2_ON_VSEL_REG,
+ .vsel_mask = RK818_BUCK_VSEL_MASK,
+ .enable_reg = RK818_DCDC_EN_REG,
+ .enable_mask = BIT(1),
+ }}, {{
+ /* .name = "DCDC_REG3", */
+ .supply_name = "vcc3",
+ .ops = &rk808_switch_ops,
+ .n_voltages = 1,
+ .enable_reg = RK818_DCDC_EN_REG,
+ .enable_mask = BIT(2),
+ }},
+ RK8XX_DESC(/* "DCDC_REG4", */ "vcc4", 1800, 3600, 100,
+ RK818_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
+ RK818_DCDC_EN_REG, BIT(3), 0),
+ RK8XX_DESC(/* "DCDC_BOOST", */ "boost", 4700, 5400, 100,
+ RK818_BOOST_LDO9_ON_VSEL_REG, RK818_BOOST_ON_VSEL_MASK,
+ RK818_DCDC_EN_REG, BIT(4), 0),
+ RK8XX_DESC(/* "LDO_REG1", */ "vcc6", 1800, 3400, 100,
+ RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(0), 400),
+ RK8XX_DESC(/* "LDO_REG2", */ "vcc6", 1800, 3400, 100,
+ RK818_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(1), 400),
+ {{
+ /* .name = "LDO_REG3", */
+ .supply_name = "vcc7",
+ .ops = &rk808_reg_ops_ranges,
+ .n_voltages = 16,
+ .linear_ranges = rk808_ldo3_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
+ .vsel_reg = RK818_LDO3_ON_VSEL_REG,
+ .vsel_mask = RK818_LDO3_ON_VSEL_MASK,
+ .enable_reg = RK818_LDO_EN_REG,
+ .enable_mask = BIT(2),
+ .off_on_delay = 400,
+ }},
+ RK8XX_DESC(/* "LDO_REG4", */ "vcc8", 1800, 3400, 100,
+ RK818_LDO4_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(3), 400),
+ RK8XX_DESC(/* "LDO_REG5", */ "vcc7", 1800, 3400, 100,
+ RK818_LDO5_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(4), 400),
+ RK8XX_DESC(/* "LDO_REG6", */ "vcc8", 800, 2500, 100,
+ RK818_LDO6_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(5), 400),
+ RK8XX_DESC(/* "LDO_REG7", */ "vcc7", 800, 2500, 100,
+ RK818_LDO7_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(6), 400),
+ RK8XX_DESC(/* "LDO_REG8", */ "vcc8", 1800, 3400, 100,
+ RK818_LDO8_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(7), 400),
+ RK8XX_DESC(/* "LDO_REG9", */ "vcc9", 1800, 3400, 100,
+ RK818_BOOST_LDO9_ON_VSEL_REG, RK818_LDO_VSEL_MASK,
+ RK818_DCDC_EN_REG, BIT(5), 400),
+ RK8XX_DESC_SWITCH(/* "SWITCH_REG", */ "vcc9",
+ RK818_DCDC_EN_REG, BIT(6)),
+ RK8XX_DESC_SWITCH(/* "HDMI_SWITCH", */ "h_5v",
+ RK818_H5V_EN_REG, BIT(0)),
+ RK8XX_DESC_SWITCH(/* "OTG_SWITCH", */ "usb",
+ RK818_DCDC_EN_REG, BIT(7)),
+};
+static_assert(ARRAY_SIZE(rk818_reg) == RK818_NUM_REGULATORS);
+
+static int rk808_regulator_register(struct rk808 *rk808, int id,
+ struct of_regulator_match *match,
+ struct rk_regulator_cfg *cfg)
+{
+ struct device *dev = &rk808->i2c->dev;
+ int ret;
+
+ if (!match->of_node) {
+ dev_dbg(dev, "Skip missing DTB regulator %s", match->name);
+ return 0;
+ }
+
+ cfg->rdev.desc = &cfg->desc;
+ cfg->rdev.dev = dev;
+ cfg->rdev.regmap = rk808->regmap;
+
+ ret = of_regulator_register(&cfg->rdev, match->of_node);
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to register %s regulator\n",
+ match->name);
+
+ dev_dbg(dev, "registered %s\n", match->name);
+
+ return 0;
+}
+
+#define MATCH(variant, _name, _id) [RK##variant##_ID_##_id] = \
+ { .name = #_name, .desc = &rk##variant##_reg[RK##variant##_ID_##_id].desc }
+
+static struct of_regulator_match rk805_reg_matches[] = {
+ MATCH(805, DCDC_REG1, DCDC1),
+ MATCH(805, DCDC_REG2, DCDC2),
+ MATCH(805, DCDC_REG3, DCDC3),
+ MATCH(805, DCDC_REG4, DCDC4),
+ MATCH(805, LDO_REG1, LDO1),
+ MATCH(805, LDO_REG2, LDO2),
+ MATCH(805, LDO_REG3, LDO3),
+};
+static_assert(ARRAY_SIZE(rk805_reg_matches) == RK805_NUM_REGULATORS);
+
+static struct of_regulator_match rk808_reg_matches[] = {
+ MATCH(808, DCDC_REG1, DCDC1),
+ MATCH(808, DCDC_REG2, DCDC2),
+ MATCH(808, DCDC_REG3, DCDC3),
+ MATCH(808, DCDC_REG4, DCDC4),
+ MATCH(808, LDO_REG1, LDO1),
+ MATCH(808, LDO_REG2, LDO2),
+ MATCH(808, LDO_REG3, LDO3),
+ MATCH(808, LDO_REG4, LDO4),
+ MATCH(808, LDO_REG5, LDO5),
+ MATCH(808, LDO_REG6, LDO6),
+ MATCH(808, LDO_REG7, LDO7),
+ MATCH(808, LDO_REG8, LDO8),
+ MATCH(808, SWITCH_REG1, SWITCH1),
+ MATCH(808, SWITCH_REG2, SWITCH2),
+};
+static_assert(ARRAY_SIZE(rk808_reg_matches) == RK808_NUM_REGULATORS);
+
+static struct of_regulator_match rk809_reg_matches[] = {
+ MATCH(809, DCDC_REG1, DCDC1),
+ MATCH(809, DCDC_REG2, DCDC2),
+ MATCH(809, DCDC_REG3, DCDC3),
+ MATCH(809, DCDC_REG4, DCDC4),
+ MATCH(809, LDO_REG1, LDO1),
+ MATCH(809, LDO_REG2, LDO2),
+ MATCH(809, LDO_REG3, LDO3),
+ MATCH(809, LDO_REG4, LDO4),
+ MATCH(809, LDO_REG5, LDO5),
+ MATCH(809, LDO_REG6, LDO6),
+ MATCH(809, LDO_REG7, LDO7),
+ MATCH(809, LDO_REG8, LDO8),
+ MATCH(809, LDO_REG9, LDO9),
+ MATCH(809, DCDC_REG5, DCDC5),
+ MATCH(809, SWITCH_REG1, SW1),
+ MATCH(809, SWITCH_REG2, SW2),
+};
+static_assert(ARRAY_SIZE(rk809_reg_matches) == RK809_NUM_REGULATORS);
+
+static struct of_regulator_match rk817_reg_matches[] = {
+ MATCH(817, DCDC_REG1, DCDC1),
+ MATCH(817, DCDC_REG2, DCDC2),
+ MATCH(817, DCDC_REG3, DCDC3),
+ MATCH(817, DCDC_REG4, DCDC4),
+ MATCH(817, LDO_REG1, LDO1),
+ MATCH(817, LDO_REG2, LDO2),
+ MATCH(817, LDO_REG3, LDO3),
+ MATCH(817, LDO_REG4, LDO4),
+ MATCH(817, LDO_REG5, LDO5),
+ MATCH(817, LDO_REG6, LDO6),
+ MATCH(817, LDO_REG7, LDO7),
+ MATCH(817, LDO_REG8, LDO8),
+ MATCH(817, LDO_REG9, LDO9),
+ MATCH(817, BOOST, BOOST),
+ MATCH(817, OTG_SWITCH, BOOST_OTG_SW),
+};
+static_assert(ARRAY_SIZE(rk817_reg_matches) == RK817_NUM_REGULATORS);
+
+static struct of_regulator_match rk818_reg_matches[] = {
+ MATCH(818, DCDC_REG1, DCDC1),
+ MATCH(818, DCDC_REG2, DCDC2),
+ MATCH(818, DCDC_REG3, DCDC3),
+ MATCH(818, DCDC_REG4, DCDC4),
+ MATCH(818, DCDC_BOOST, BOOST),
+ MATCH(818, LDO_REG1, LDO1),
+ MATCH(818, LDO_REG2, LDO2),
+ MATCH(818, LDO_REG3, LDO3),
+ MATCH(818, LDO_REG4, LDO4),
+ MATCH(818, LDO_REG5, LDO5),
+ MATCH(818, LDO_REG6, LDO6),
+ MATCH(818, LDO_REG7, LDO7),
+ MATCH(818, LDO_REG8, LDO8),
+ MATCH(818, LDO_REG9, LDO9),
+ MATCH(818, SWITCH_REG, SWITCH),
+ MATCH(818, HDMI_SWITCH, HDMI_SWITCH),
+ MATCH(818, OTG_SWITCH, OTG_SWITCH),
+};
+static_assert(ARRAY_SIZE(rk818_reg_matches) == RK818_NUM_REGULATORS);
+
+static int rk808_regulator_dt_parse(struct device *dev,
+ struct of_regulator_match *matches,
+ int nregulators)
+{
+ struct device_node *np = dev->of_node;
+
+ np = of_get_child_by_name(np, "regulators");
+ if (!np)
+ return -ENOENT;
+
+ return of_regulator_match(dev, np, matches, nregulators);
+}
+
+static int rk808_regulator_probe(struct device *dev)
+{
+ struct rk808 *rk808 = dev->parent->priv;
+ struct rk_regulator_cfg *regulators;
+ struct of_regulator_match *matches;
+ int ret, i, nregulators;
+
+ switch (rk808->variant) {
+ case RK805_ID:
+ regulators = rk805_reg;
+ matches = rk805_reg_matches;
+ nregulators = RK805_NUM_REGULATORS;
+ break;
+ case RK808_ID:
+ regulators = rk808_reg;
+ matches = rk808_reg_matches;
+ nregulators = RK809_NUM_REGULATORS;
+ break;
+ case RK809_ID:
+ regulators = rk809_reg;
+ matches = rk809_reg_matches;
+ nregulators = RK809_NUM_REGULATORS;
+ break;
+ case RK817_ID:
+ regulators = rk817_reg;
+ matches = rk817_reg_matches;
+ nregulators = RK817_NUM_REGULATORS;
+ break;
+ case RK818_ID:
+ regulators = rk818_reg;
+ matches = rk818_reg_matches;
+ nregulators = RK818_NUM_REGULATORS;
+ break;
+ default:
+ dev_err(dev, "unsupported RK8XX ID %lu\n", rk808->variant);
+ return -EINVAL;
+ }
+
+ ret = rk808_regulator_dt_parse(&rk808->i2c->dev, matches, nregulators);
+ if (ret < 0)
+ return ret;
+
+ /* Instantiate the regulators */
+ for (i = 0; i < nregulators; i++) {
+ ret = rk808_regulator_register(rk808, i, &matches[i],
+ &regulators[i]);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct driver rk808_regulator_driver = {
+ .name = "rk808-regulator",
+ .probe = rk808_regulator_probe,
+};
+device_platform_driver(rk808_regulator_driver);
+
+MODULE_DESCRIPTION("regulator driver for the rk808 series PMICs");
+MODULE_AUTHOR("Chris Zhong<zyw@rock-chips.com>");
+MODULE_AUTHOR("Zhang Qing<zhangqing@rock-chips.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:rk808-regulator");
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-24 13:51:54 +0000