v4.19.13 snapshot.
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
new file mode 100644
index 0000000..91b8ff8
--- /dev/null
+++ b/drivers/regulator/axp20x-regulator.c
@@ -0,0 +1,861 @@
+/*
+ * AXP20x regulators driver.
+ *
+ * Copyright (C) 2013 Carlo Caione <carlo@caione.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/mfd/axp20x.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/of_regulator.h>
+
+#define AXP20X_IO_ENABLED 0x03
+#define AXP20X_IO_DISABLED 0x07
+
+#define AXP22X_IO_ENABLED 0x03
+#define AXP22X_IO_DISABLED 0x04
+
+#define AXP20X_WORKMODE_DCDC2_MASK BIT(2)
+#define AXP20X_WORKMODE_DCDC3_MASK BIT(1)
+#define AXP22X_WORKMODE_DCDCX_MASK(x) BIT(x)
+
+#define AXP20X_FREQ_DCDC_MASK 0x0f
+
+#define AXP22X_MISC_N_VBUSEN_FUNC BIT(4)
+
+#define AXP_DESC_IO(_family, _id, _match, _supply, _min, _max, _step, _vreg, \
+ _vmask, _ereg, _emask, _enable_val, _disable_val) \
+ [_family##_##_id] = { \
+ .name = (_match), \
+ .supply_name = (_supply), \
+ .of_match = of_match_ptr(_match), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .type = REGULATOR_VOLTAGE, \
+ .id = _family##_##_id, \
+ .n_voltages = (((_max) - (_min)) / (_step) + 1), \
+ .owner = THIS_MODULE, \
+ .min_uV = (_min) * 1000, \
+ .uV_step = (_step) * 1000, \
+ .vsel_reg = (_vreg), \
+ .vsel_mask = (_vmask), \
+ .enable_reg = (_ereg), \
+ .enable_mask = (_emask), \
+ .enable_val = (_enable_val), \
+ .disable_val = (_disable_val), \
+ .ops = &axp20x_ops, \
+ }
+
+#define AXP_DESC(_family, _id, _match, _supply, _min, _max, _step, _vreg, \
+ _vmask, _ereg, _emask) \
+ [_family##_##_id] = { \
+ .name = (_match), \
+ .supply_name = (_supply), \
+ .of_match = of_match_ptr(_match), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .type = REGULATOR_VOLTAGE, \
+ .id = _family##_##_id, \
+ .n_voltages = (((_max) - (_min)) / (_step) + 1), \
+ .owner = THIS_MODULE, \
+ .min_uV = (_min) * 1000, \
+ .uV_step = (_step) * 1000, \
+ .vsel_reg = (_vreg), \
+ .vsel_mask = (_vmask), \
+ .enable_reg = (_ereg), \
+ .enable_mask = (_emask), \
+ .ops = &axp20x_ops, \
+ }
+
+#define AXP_DESC_SW(_family, _id, _match, _supply, _ereg, _emask) \
+ [_family##_##_id] = { \
+ .name = (_match), \
+ .supply_name = (_supply), \
+ .of_match = of_match_ptr(_match), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .type = REGULATOR_VOLTAGE, \
+ .id = _family##_##_id, \
+ .owner = THIS_MODULE, \
+ .enable_reg = (_ereg), \
+ .enable_mask = (_emask), \
+ .ops = &axp20x_ops_sw, \
+ }
+
+#define AXP_DESC_FIXED(_family, _id, _match, _supply, _volt) \
+ [_family##_##_id] = { \
+ .name = (_match), \
+ .supply_name = (_supply), \
+ .of_match = of_match_ptr(_match), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .type = REGULATOR_VOLTAGE, \
+ .id = _family##_##_id, \
+ .n_voltages = 1, \
+ .owner = THIS_MODULE, \
+ .min_uV = (_volt) * 1000, \
+ .ops = &axp20x_ops_fixed \
+ }
+
+#define AXP_DESC_RANGES(_family, _id, _match, _supply, _ranges, _n_voltages, \
+ _vreg, _vmask, _ereg, _emask) \
+ [_family##_##_id] = { \
+ .name = (_match), \
+ .supply_name = (_supply), \
+ .of_match = of_match_ptr(_match), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .type = REGULATOR_VOLTAGE, \
+ .id = _family##_##_id, \
+ .n_voltages = (_n_voltages), \
+ .owner = THIS_MODULE, \
+ .vsel_reg = (_vreg), \
+ .vsel_mask = (_vmask), \
+ .enable_reg = (_ereg), \
+ .enable_mask = (_emask), \
+ .linear_ranges = (_ranges), \
+ .n_linear_ranges = ARRAY_SIZE(_ranges), \
+ .ops = &axp20x_ops_range, \
+ }
+
+static const struct regulator_ops axp20x_ops_fixed = {
+ .list_voltage = regulator_list_voltage_linear,
+};
+
+static const struct regulator_ops axp20x_ops_range = {
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static const struct regulator_ops axp20x_ops = {
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_linear,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static const struct regulator_ops axp20x_ops_sw = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static const struct regulator_linear_range axp20x_ldo4_ranges[] = {
+ REGULATOR_LINEAR_RANGE(1250000, 0x0, 0x0, 0),
+ REGULATOR_LINEAR_RANGE(1300000, 0x1, 0x8, 100000),
+ REGULATOR_LINEAR_RANGE(2500000, 0x9, 0x9, 0),
+ REGULATOR_LINEAR_RANGE(2700000, 0xa, 0xb, 100000),
+ REGULATOR_LINEAR_RANGE(3000000, 0xc, 0xf, 100000),
+};
+
+static const struct regulator_desc axp20x_regulators[] = {
+ AXP_DESC(AXP20X, DCDC2, "dcdc2", "vin2", 700, 2275, 25,
+ AXP20X_DCDC2_V_OUT, 0x3f, AXP20X_PWR_OUT_CTRL, 0x10),
+ AXP_DESC(AXP20X, DCDC3, "dcdc3", "vin3", 700, 3500, 25,
+ AXP20X_DCDC3_V_OUT, 0x7f, AXP20X_PWR_OUT_CTRL, 0x02),
+ AXP_DESC_FIXED(AXP20X, LDO1, "ldo1", "acin", 1300),
+ AXP_DESC(AXP20X, LDO2, "ldo2", "ldo24in", 1800, 3300, 100,
+ AXP20X_LDO24_V_OUT, 0xf0, AXP20X_PWR_OUT_CTRL, 0x04),
+ AXP_DESC(AXP20X, LDO3, "ldo3", "ldo3in", 700, 3500, 25,
+ AXP20X_LDO3_V_OUT, 0x7f, AXP20X_PWR_OUT_CTRL, 0x40),
+ AXP_DESC_RANGES(AXP20X, LDO4, "ldo4", "ldo24in", axp20x_ldo4_ranges,
+ 16, AXP20X_LDO24_V_OUT, 0x0f, AXP20X_PWR_OUT_CTRL,
+ 0x08),
+ AXP_DESC_IO(AXP20X, LDO5, "ldo5", "ldo5in", 1800, 3300, 100,
+ AXP20X_LDO5_V_OUT, 0xf0, AXP20X_GPIO0_CTRL, 0x07,
+ AXP20X_IO_ENABLED, AXP20X_IO_DISABLED),
+};
+
+static const struct regulator_desc axp22x_regulators[] = {
+ AXP_DESC(AXP22X, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
+ AXP22X_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(1)),
+ AXP_DESC(AXP22X, DCDC2, "dcdc2", "vin2", 600, 1540, 20,
+ AXP22X_DCDC2_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(2)),
+ AXP_DESC(AXP22X, DCDC3, "dcdc3", "vin3", 600, 1860, 20,
+ AXP22X_DCDC3_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)),
+ AXP_DESC(AXP22X, DCDC4, "dcdc4", "vin4", 600, 1540, 20,
+ AXP22X_DCDC4_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(4)),
+ AXP_DESC(AXP22X, DCDC5, "dcdc5", "vin5", 1000, 2550, 50,
+ AXP22X_DCDC5_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(5)),
+ /* secondary switchable output of DCDC1 */
+ AXP_DESC_SW(AXP22X, DC1SW, "dc1sw", NULL, AXP22X_PWR_OUT_CTRL2,
+ BIT(7)),
+ /* LDO regulator internally chained to DCDC5 */
+ AXP_DESC(AXP22X, DC5LDO, "dc5ldo", NULL, 700, 1400, 100,
+ AXP22X_DC5LDO_V_OUT, 0x7, AXP22X_PWR_OUT_CTRL1, BIT(0)),
+ AXP_DESC(AXP22X, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(6)),
+ AXP_DESC(AXP22X, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(7)),
+ AXP_DESC(AXP22X, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(7)),
+ AXP_DESC(AXP22X, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
+ AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(3)),
+ AXP_DESC(AXP22X, DLDO2, "dldo2", "dldoin", 700, 3300, 100,
+ AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(4)),
+ AXP_DESC(AXP22X, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
+ AXP22X_DLDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)),
+ AXP_DESC(AXP22X, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
+ AXP22X_DLDO4_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(6)),
+ AXP_DESC(AXP22X, ELDO1, "eldo1", "eldoin", 700, 3300, 100,
+ AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)),
+ AXP_DESC(AXP22X, ELDO2, "eldo2", "eldoin", 700, 3300, 100,
+ AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)),
+ AXP_DESC(AXP22X, ELDO3, "eldo3", "eldoin", 700, 3300, 100,
+ AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)),
+ /* Note the datasheet only guarantees reliable operation up to
+ * 3.3V, this needs to be enforced via dts provided constraints */
+ AXP_DESC_IO(AXP22X, LDO_IO0, "ldo_io0", "ips", 700, 3800, 100,
+ AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07,
+ AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+ /* Note the datasheet only guarantees reliable operation up to
+ * 3.3V, this needs to be enforced via dts provided constraints */
+ AXP_DESC_IO(AXP22X, LDO_IO1, "ldo_io1", "ips", 700, 3800, 100,
+ AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07,
+ AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+ AXP_DESC_FIXED(AXP22X, RTC_LDO, "rtc_ldo", "ips", 3000),
+};
+
+static const struct regulator_desc axp22x_drivevbus_regulator = {
+ .name = "drivevbus",
+ .supply_name = "drivevbus",
+ .of_match = of_match_ptr("drivevbus"),
+ .regulators_node = of_match_ptr("regulators"),
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ .enable_reg = AXP20X_VBUS_IPSOUT_MGMT,
+ .enable_mask = BIT(2),
+ .ops = &axp20x_ops_sw,
+};
+
+/* DCDC ranges shared with AXP813 */
+static const struct regulator_linear_range axp803_dcdc234_ranges[] = {
+ REGULATOR_LINEAR_RANGE(500000, 0x0, 0x46, 10000),
+ REGULATOR_LINEAR_RANGE(1220000, 0x47, 0x4b, 20000),
+};
+
+static const struct regulator_linear_range axp803_dcdc5_ranges[] = {
+ REGULATOR_LINEAR_RANGE(800000, 0x0, 0x20, 10000),
+ REGULATOR_LINEAR_RANGE(1140000, 0x21, 0x44, 20000),
+};
+
+static const struct regulator_linear_range axp803_dcdc6_ranges[] = {
+ REGULATOR_LINEAR_RANGE(600000, 0x0, 0x32, 10000),
+ REGULATOR_LINEAR_RANGE(1120000, 0x33, 0x47, 20000),
+};
+
+/* AXP806's CLDO2 and AXP809's DLDO1 shares the same range */
+static const struct regulator_linear_range axp803_dldo2_ranges[] = {
+ REGULATOR_LINEAR_RANGE(700000, 0x0, 0x1a, 100000),
+ REGULATOR_LINEAR_RANGE(3400000, 0x1b, 0x1f, 200000),
+};
+
+static const struct regulator_desc axp803_regulators[] = {
+ AXP_DESC(AXP803, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
+ AXP803_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(0)),
+ AXP_DESC_RANGES(AXP803, DCDC2, "dcdc2", "vin2", axp803_dcdc234_ranges,
+ 76, AXP803_DCDC2_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+ BIT(1)),
+ AXP_DESC_RANGES(AXP803, DCDC3, "dcdc3", "vin3", axp803_dcdc234_ranges,
+ 76, AXP803_DCDC3_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+ BIT(2)),
+ AXP_DESC_RANGES(AXP803, DCDC4, "dcdc4", "vin4", axp803_dcdc234_ranges,
+ 76, AXP803_DCDC4_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+ BIT(3)),
+ AXP_DESC_RANGES(AXP803, DCDC5, "dcdc5", "vin5", axp803_dcdc5_ranges,
+ 68, AXP803_DCDC5_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+ BIT(4)),
+ AXP_DESC_RANGES(AXP803, DCDC6, "dcdc6", "vin6", axp803_dcdc6_ranges,
+ 72, AXP803_DCDC6_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+ BIT(5)),
+ /* secondary switchable output of DCDC1 */
+ AXP_DESC_SW(AXP803, DC1SW, "dc1sw", NULL, AXP22X_PWR_OUT_CTRL2,
+ BIT(7)),
+ AXP_DESC(AXP803, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(5)),
+ AXP_DESC(AXP803, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(6)),
+ AXP_DESC(AXP803, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(7)),
+ AXP_DESC(AXP803, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
+ AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(3)),
+ AXP_DESC_RANGES(AXP803, DLDO2, "dldo2", "dldoin", axp803_dldo2_ranges,
+ 32, AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2,
+ BIT(4)),
+ AXP_DESC(AXP803, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
+ AXP22X_DLDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)),
+ AXP_DESC(AXP803, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
+ AXP22X_DLDO4_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(6)),
+ AXP_DESC(AXP803, ELDO1, "eldo1", "eldoin", 700, 1900, 50,
+ AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)),
+ AXP_DESC(AXP803, ELDO2, "eldo2", "eldoin", 700, 1900, 50,
+ AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)),
+ AXP_DESC(AXP803, ELDO3, "eldo3", "eldoin", 700, 1900, 50,
+ AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)),
+ AXP_DESC(AXP803, FLDO1, "fldo1", "fldoin", 700, 1450, 50,
+ AXP803_FLDO1_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(2)),
+ AXP_DESC(AXP803, FLDO2, "fldo2", "fldoin", 700, 1450, 50,
+ AXP803_FLDO2_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(3)),
+ AXP_DESC_IO(AXP803, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100,
+ AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07,
+ AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+ AXP_DESC_IO(AXP803, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100,
+ AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07,
+ AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+ AXP_DESC_FIXED(AXP803, RTC_LDO, "rtc-ldo", "ips", 3000),
+};
+
+static const struct regulator_linear_range axp806_dcdca_ranges[] = {
+ REGULATOR_LINEAR_RANGE(600000, 0x0, 0x32, 10000),
+ REGULATOR_LINEAR_RANGE(1120000, 0x33, 0x47, 20000),
+};
+
+static const struct regulator_linear_range axp806_dcdcd_ranges[] = {
+ REGULATOR_LINEAR_RANGE(600000, 0x0, 0x2d, 20000),
+ REGULATOR_LINEAR_RANGE(1600000, 0x2e, 0x3f, 100000),
+};
+
+static const struct regulator_desc axp806_regulators[] = {
+ AXP_DESC_RANGES(AXP806, DCDCA, "dcdca", "vina", axp806_dcdca_ranges,
+ 72, AXP806_DCDCA_V_CTRL, 0x7f, AXP806_PWR_OUT_CTRL1,
+ BIT(0)),
+ AXP_DESC(AXP806, DCDCB, "dcdcb", "vinb", 1000, 2550, 50,
+ AXP806_DCDCB_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL1, BIT(1)),
+ AXP_DESC_RANGES(AXP806, DCDCC, "dcdcc", "vinc", axp806_dcdca_ranges,
+ 72, AXP806_DCDCC_V_CTRL, 0x7f, AXP806_PWR_OUT_CTRL1,
+ BIT(2)),
+ AXP_DESC_RANGES(AXP806, DCDCD, "dcdcd", "vind", axp806_dcdcd_ranges,
+ 64, AXP806_DCDCD_V_CTRL, 0x3f, AXP806_PWR_OUT_CTRL1,
+ BIT(3)),
+ AXP_DESC(AXP806, DCDCE, "dcdce", "vine", 1100, 3400, 100,
+ AXP806_DCDCE_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL1, BIT(4)),
+ AXP_DESC(AXP806, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
+ AXP806_ALDO1_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL1, BIT(5)),
+ AXP_DESC(AXP806, ALDO2, "aldo2", "aldoin", 700, 3400, 100,
+ AXP806_ALDO2_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL1, BIT(6)),
+ AXP_DESC(AXP806, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
+ AXP806_ALDO3_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL1, BIT(7)),
+ AXP_DESC(AXP806, BLDO1, "bldo1", "bldoin", 700, 1900, 100,
+ AXP806_BLDO1_V_CTRL, 0x0f, AXP806_PWR_OUT_CTRL2, BIT(0)),
+ AXP_DESC(AXP806, BLDO2, "bldo2", "bldoin", 700, 1900, 100,
+ AXP806_BLDO2_V_CTRL, 0x0f, AXP806_PWR_OUT_CTRL2, BIT(1)),
+ AXP_DESC(AXP806, BLDO3, "bldo3", "bldoin", 700, 1900, 100,
+ AXP806_BLDO3_V_CTRL, 0x0f, AXP806_PWR_OUT_CTRL2, BIT(2)),
+ AXP_DESC(AXP806, BLDO4, "bldo4", "bldoin", 700, 1900, 100,
+ AXP806_BLDO4_V_CTRL, 0x0f, AXP806_PWR_OUT_CTRL2, BIT(3)),
+ AXP_DESC(AXP806, CLDO1, "cldo1", "cldoin", 700, 3300, 100,
+ AXP806_CLDO1_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL2, BIT(4)),
+ AXP_DESC_RANGES(AXP806, CLDO2, "cldo2", "cldoin", axp803_dldo2_ranges,
+ 32, AXP806_CLDO2_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL2,
+ BIT(5)),
+ AXP_DESC(AXP806, CLDO3, "cldo3", "cldoin", 700, 3300, 100,
+ AXP806_CLDO3_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL2, BIT(6)),
+ AXP_DESC_SW(AXP806, SW, "sw", "swin", AXP806_PWR_OUT_CTRL2, BIT(7)),
+};
+
+static const struct regulator_linear_range axp809_dcdc4_ranges[] = {
+ REGULATOR_LINEAR_RANGE(600000, 0x0, 0x2f, 20000),
+ REGULATOR_LINEAR_RANGE(1800000, 0x30, 0x38, 100000),
+};
+
+static const struct regulator_desc axp809_regulators[] = {
+ AXP_DESC(AXP809, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
+ AXP22X_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(1)),
+ AXP_DESC(AXP809, DCDC2, "dcdc2", "vin2", 600, 1540, 20,
+ AXP22X_DCDC2_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(2)),
+ AXP_DESC(AXP809, DCDC3, "dcdc3", "vin3", 600, 1860, 20,
+ AXP22X_DCDC3_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)),
+ AXP_DESC_RANGES(AXP809, DCDC4, "dcdc4", "vin4", axp809_dcdc4_ranges,
+ 57, AXP22X_DCDC4_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1,
+ BIT(4)),
+ AXP_DESC(AXP809, DCDC5, "dcdc5", "vin5", 1000, 2550, 50,
+ AXP22X_DCDC5_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(5)),
+ /* secondary switchable output of DCDC1 */
+ AXP_DESC_SW(AXP809, DC1SW, "dc1sw", NULL, AXP22X_PWR_OUT_CTRL2,
+ BIT(7)),
+ /* LDO regulator internally chained to DCDC5 */
+ AXP_DESC(AXP809, DC5LDO, "dc5ldo", NULL, 700, 1400, 100,
+ AXP22X_DC5LDO_V_OUT, 0x7, AXP22X_PWR_OUT_CTRL1, BIT(0)),
+ AXP_DESC(AXP809, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(6)),
+ AXP_DESC(AXP809, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(7)),
+ AXP_DESC(AXP809, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)),
+ AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin", axp803_dldo2_ranges,
+ 32, AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2,
+ BIT(3)),
+ AXP_DESC(AXP809, DLDO2, "dldo2", "dldoin", 700, 3300, 100,
+ AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(4)),
+ AXP_DESC(AXP809, ELDO1, "eldo1", "eldoin", 700, 3300, 100,
+ AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)),
+ AXP_DESC(AXP809, ELDO2, "eldo2", "eldoin", 700, 3300, 100,
+ AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)),
+ AXP_DESC(AXP809, ELDO3, "eldo3", "eldoin", 700, 3300, 100,
+ AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)),
+ /*
+ * Note the datasheet only guarantees reliable operation up to
+ * 3.3V, this needs to be enforced via dts provided constraints
+ */
+ AXP_DESC_IO(AXP809, LDO_IO0, "ldo_io0", "ips", 700, 3800, 100,
+ AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07,
+ AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+ /*
+ * Note the datasheet only guarantees reliable operation up to
+ * 3.3V, this needs to be enforced via dts provided constraints
+ */
+ AXP_DESC_IO(AXP809, LDO_IO1, "ldo_io1", "ips", 700, 3800, 100,
+ AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07,
+ AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+ AXP_DESC_FIXED(AXP809, RTC_LDO, "rtc_ldo", "ips", 1800),
+ AXP_DESC_SW(AXP809, SW, "sw", "swin", AXP22X_PWR_OUT_CTRL2, BIT(6)),
+};
+
+static const struct regulator_desc axp813_regulators[] = {
+ AXP_DESC(AXP813, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
+ AXP803_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(0)),
+ AXP_DESC_RANGES(AXP813, DCDC2, "dcdc2", "vin2", axp803_dcdc234_ranges,
+ 76, AXP803_DCDC2_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+ BIT(1)),
+ AXP_DESC_RANGES(AXP813, DCDC3, "dcdc3", "vin3", axp803_dcdc234_ranges,
+ 76, AXP803_DCDC3_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+ BIT(2)),
+ AXP_DESC_RANGES(AXP813, DCDC4, "dcdc4", "vin4", axp803_dcdc234_ranges,
+ 76, AXP803_DCDC4_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+ BIT(3)),
+ AXP_DESC_RANGES(AXP813, DCDC5, "dcdc5", "vin5", axp803_dcdc5_ranges,
+ 68, AXP803_DCDC5_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+ BIT(4)),
+ AXP_DESC_RANGES(AXP813, DCDC6, "dcdc6", "vin6", axp803_dcdc6_ranges,
+ 72, AXP803_DCDC6_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+ BIT(5)),
+ AXP_DESC_RANGES(AXP813, DCDC7, "dcdc7", "vin7", axp803_dcdc6_ranges,
+ 72, AXP813_DCDC7_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+ BIT(6)),
+ AXP_DESC(AXP813, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(5)),
+ AXP_DESC(AXP813, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(6)),
+ AXP_DESC(AXP813, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
+ AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(7)),
+ AXP_DESC(AXP813, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
+ AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(3)),
+ AXP_DESC_RANGES(AXP813, DLDO2, "dldo2", "dldoin", axp803_dldo2_ranges,
+ 32, AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2,
+ BIT(4)),
+ AXP_DESC(AXP813, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
+ AXP22X_DLDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)),
+ AXP_DESC(AXP813, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
+ AXP22X_DLDO4_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(6)),
+ AXP_DESC(AXP813, ELDO1, "eldo1", "eldoin", 700, 1900, 50,
+ AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)),
+ AXP_DESC(AXP813, ELDO2, "eldo2", "eldoin", 700, 1900, 50,
+ AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)),
+ AXP_DESC(AXP813, ELDO3, "eldo3", "eldoin", 700, 1900, 50,
+ AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)),
+ /* to do / check ... */
+ AXP_DESC(AXP813, FLDO1, "fldo1", "fldoin", 700, 1450, 50,
+ AXP803_FLDO1_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(2)),
+ AXP_DESC(AXP813, FLDO2, "fldo2", "fldoin", 700, 1450, 50,
+ AXP803_FLDO2_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(3)),
+ /*
+ * TODO: FLDO3 = {DCDC5, FLDOIN} / 2
+ *
+ * This means FLDO3 effectively switches supplies at runtime,
+ * something the regulator subsystem does not support.
+ */
+ AXP_DESC_FIXED(AXP813, RTC_LDO, "rtc-ldo", "ips", 1800),
+ AXP_DESC_IO(AXP813, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100,
+ AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07,
+ AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+ AXP_DESC_IO(AXP813, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100,
+ AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07,
+ AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+ AXP_DESC_SW(AXP813, SW, "sw", "swin", AXP22X_PWR_OUT_CTRL2, BIT(7)),
+};
+
+static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
+{
+ struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
+ unsigned int reg = AXP20X_DCDC_FREQ;
+ u32 min, max, def, step;
+
+ switch (axp20x->variant) {
+ case AXP202_ID:
+ case AXP209_ID:
+ min = 750;
+ max = 1875;
+ def = 1500;
+ step = 75;
+ break;
+ case AXP803_ID:
+ case AXP813_ID:
+ /*
+ * AXP803/AXP813 DCDC work frequency setting has the same
+ * range and step as AXP22X, but at a different register.
+ * Fall through to the check below.
+ * (See include/linux/mfd/axp20x.h)
+ */
+ reg = AXP803_DCDC_FREQ_CTRL;
+ case AXP806_ID:
+ /*
+ * AXP806 also have DCDC work frequency setting register at a
+ * different position.
+ */
+ if (axp20x->variant == AXP806_ID)
+ reg = AXP806_DCDC_FREQ_CTRL;
+ case AXP221_ID:
+ case AXP223_ID:
+ case AXP809_ID:
+ min = 1800;
+ max = 4050;
+ def = 3000;
+ step = 150;
+ break;
+ default:
+ dev_err(&pdev->dev,
+ "Setting DCDC frequency for unsupported AXP variant\n");
+ return -EINVAL;
+ }
+
+ if (dcdcfreq == 0)
+ dcdcfreq = def;
+
+ if (dcdcfreq < min) {
+ dcdcfreq = min;
+ dev_warn(&pdev->dev, "DCDC frequency too low. Set to %ukHz\n",
+ min);
+ }
+
+ if (dcdcfreq > max) {
+ dcdcfreq = max;
+ dev_warn(&pdev->dev, "DCDC frequency too high. Set to %ukHz\n",
+ max);
+ }
+
+ dcdcfreq = (dcdcfreq - min) / step;
+
+ return regmap_update_bits(axp20x->regmap, reg,
+ AXP20X_FREQ_DCDC_MASK, dcdcfreq);
+}
+
+static int axp20x_regulator_parse_dt(struct platform_device *pdev)
+{
+ struct device_node *np, *regulators;
+ int ret;
+ u32 dcdcfreq = 0;
+
+ np = of_node_get(pdev->dev.parent->of_node);
+ if (!np)
+ return 0;
+
+ regulators = of_get_child_by_name(np, "regulators");
+ if (!regulators) {
+ dev_warn(&pdev->dev, "regulators node not found\n");
+ } else {
+ of_property_read_u32(regulators, "x-powers,dcdc-freq", &dcdcfreq);
+ ret = axp20x_set_dcdc_freq(pdev, dcdcfreq);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Error setting dcdc frequency: %d\n", ret);
+ return ret;
+ }
+
+ of_node_put(regulators);
+ }
+
+ return 0;
+}
+
+static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 workmode)
+{
+ struct axp20x_dev *axp20x = rdev_get_drvdata(rdev);
+ unsigned int reg = AXP20X_DCDC_MODE;
+ unsigned int mask;
+
+ switch (axp20x->variant) {
+ case AXP202_ID:
+ case AXP209_ID:
+ if ((id != AXP20X_DCDC2) && (id != AXP20X_DCDC3))
+ return -EINVAL;
+
+ mask = AXP20X_WORKMODE_DCDC2_MASK;
+ if (id == AXP20X_DCDC3)
+ mask = AXP20X_WORKMODE_DCDC3_MASK;
+
+ workmode <<= ffs(mask) - 1;
+ break;
+
+ case AXP806_ID:
+ reg = AXP806_DCDC_MODE_CTRL2;
+ /*
+ * AXP806 DCDC regulator IDs have the same range as AXP22X.
+ * Fall through to the check below.
+ * (See include/linux/mfd/axp20x.h)
+ */
+ case AXP221_ID:
+ case AXP223_ID:
+ case AXP809_ID:
+ if (id < AXP22X_DCDC1 || id > AXP22X_DCDC5)
+ return -EINVAL;
+
+ mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP22X_DCDC1);
+ workmode <<= id - AXP22X_DCDC1;
+ break;
+
+ case AXP803_ID:
+ if (id < AXP803_DCDC1 || id > AXP803_DCDC6)
+ return -EINVAL;
+
+ mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP803_DCDC1);
+ workmode <<= id - AXP803_DCDC1;
+ break;
+
+ case AXP813_ID:
+ if (id < AXP813_DCDC1 || id > AXP813_DCDC7)
+ return -EINVAL;
+
+ mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP813_DCDC1);
+ workmode <<= id - AXP813_DCDC1;
+ break;
+
+ default:
+ /* should not happen */
+ WARN_ON(1);
+ return -EINVAL;
+ }
+
+ return regmap_update_bits(rdev->regmap, reg, mask, workmode);
+}
+
+/*
+ * This function checks whether a regulator is part of a poly-phase
+ * output setup based on the registers settings. Returns true if it is.
+ */
+static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id)
+{
+ u32 reg = 0;
+
+ /*
+ * Currently in our supported AXP variants, only AXP803, AXP806,
+ * and AXP813 have polyphase regulators.
+ */
+ switch (axp20x->variant) {
+ case AXP803_ID:
+ case AXP813_ID:
+ regmap_read(axp20x->regmap, AXP803_POLYPHASE_CTRL, ®);
+
+ switch (id) {
+ case AXP803_DCDC3:
+ return !!(reg & BIT(6));
+ case AXP803_DCDC6:
+ return !!(reg & BIT(5));
+ }
+ break;
+
+ case AXP806_ID:
+ regmap_read(axp20x->regmap, AXP806_DCDC_MODE_CTRL2, ®);
+
+ switch (id) {
+ case AXP806_DCDCB:
+ return (((reg & GENMASK(7, 6)) == BIT(6)) ||
+ ((reg & GENMASK(7, 6)) == BIT(7)));
+ case AXP806_DCDCC:
+ return ((reg & GENMASK(7, 6)) == BIT(7));
+ case AXP806_DCDCE:
+ return !!(reg & BIT(5));
+ }
+ break;
+
+ default:
+ return false;
+ }
+
+ return false;
+}
+
+static int axp20x_regulator_probe(struct platform_device *pdev)
+{
+ struct regulator_dev *rdev;
+ struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
+ const struct regulator_desc *regulators;
+ struct regulator_config config = {
+ .dev = pdev->dev.parent,
+ .regmap = axp20x->regmap,
+ .driver_data = axp20x,
+ };
+ int ret, i, nregulators;
+ u32 workmode;
+ const char *dcdc1_name = axp22x_regulators[AXP22X_DCDC1].name;
+ const char *dcdc5_name = axp22x_regulators[AXP22X_DCDC5].name;
+ bool drivevbus = false;
+
+ switch (axp20x->variant) {
+ case AXP202_ID:
+ case AXP209_ID:
+ regulators = axp20x_regulators;
+ nregulators = AXP20X_REG_ID_MAX;
+ break;
+ case AXP221_ID:
+ case AXP223_ID:
+ regulators = axp22x_regulators;
+ nregulators = AXP22X_REG_ID_MAX;
+ drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
+ "x-powers,drive-vbus-en");
+ break;
+ case AXP803_ID:
+ regulators = axp803_regulators;
+ nregulators = AXP803_REG_ID_MAX;
+ drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
+ "x-powers,drive-vbus-en");
+ break;
+ case AXP806_ID:
+ regulators = axp806_regulators;
+ nregulators = AXP806_REG_ID_MAX;
+ break;
+ case AXP809_ID:
+ regulators = axp809_regulators;
+ nregulators = AXP809_REG_ID_MAX;
+ break;
+ case AXP813_ID:
+ regulators = axp813_regulators;
+ nregulators = AXP813_REG_ID_MAX;
+ drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
+ "x-powers,drive-vbus-en");
+ break;
+ default:
+ dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n",
+ axp20x->variant);
+ return -EINVAL;
+ }
+
+ /* This only sets the dcdc freq. Ignore any errors */
+ axp20x_regulator_parse_dt(pdev);
+
+ for (i = 0; i < nregulators; i++) {
+ const struct regulator_desc *desc = ®ulators[i];
+ struct regulator_desc *new_desc;
+
+ /*
+ * If this regulator is a slave in a poly-phase setup,
+ * skip it, as its controls are bound to the master
+ * regulator and won't work.
+ */
+ if (axp20x_is_polyphase_slave(axp20x, i))
+ continue;
+
+ /* Support for AXP813's FLDO3 is not implemented */
+ if (axp20x->variant == AXP813_ID && i == AXP813_FLDO3)
+ continue;
+
+ /*
+ * Regulators DC1SW and DC5LDO are connected internally,
+ * so we have to handle their supply names separately.
+ *
+ * We always register the regulators in proper sequence,
+ * so the supply names are correctly read. See the last
+ * part of this loop to see where we save the DT defined
+ * name.
+ */
+ if ((regulators == axp22x_regulators && i == AXP22X_DC1SW) ||
+ (regulators == axp803_regulators && i == AXP803_DC1SW) ||
+ (regulators == axp809_regulators && i == AXP809_DC1SW)) {
+ new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
+ GFP_KERNEL);
+ if (!new_desc)
+ return -ENOMEM;
+
+ *new_desc = regulators[i];
+ new_desc->supply_name = dcdc1_name;
+ desc = new_desc;
+ }
+
+ if ((regulators == axp22x_regulators && i == AXP22X_DC5LDO) ||
+ (regulators == axp809_regulators && i == AXP809_DC5LDO)) {
+ new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
+ GFP_KERNEL);
+ if (!new_desc)
+ return -ENOMEM;
+
+ *new_desc = regulators[i];
+ new_desc->supply_name = dcdc5_name;
+ desc = new_desc;
+ }
+
+ rdev = devm_regulator_register(&pdev->dev, desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "Failed to register %s\n",
+ regulators[i].name);
+
+ return PTR_ERR(rdev);
+ }
+
+ ret = of_property_read_u32(rdev->dev.of_node,
+ "x-powers,dcdc-workmode",
+ &workmode);
+ if (!ret) {
+ if (axp20x_set_dcdc_workmode(rdev, i, workmode))
+ dev_err(&pdev->dev, "Failed to set workmode on %s\n",
+ rdev->desc->name);
+ }
+
+ /*
+ * Save AXP22X DCDC1 / DCDC5 regulator names for later.
+ */
+ if ((regulators == axp22x_regulators && i == AXP22X_DCDC1) ||
+ (regulators == axp809_regulators && i == AXP809_DCDC1))
+ of_property_read_string(rdev->dev.of_node,
+ "regulator-name",
+ &dcdc1_name);
+
+ if ((regulators == axp22x_regulators && i == AXP22X_DCDC5) ||
+ (regulators == axp809_regulators && i == AXP809_DCDC5))
+ of_property_read_string(rdev->dev.of_node,
+ "regulator-name",
+ &dcdc5_name);
+ }
+
+ if (drivevbus) {
+ /* Change N_VBUSEN sense pin to DRIVEVBUS output pin */
+ regmap_update_bits(axp20x->regmap, AXP20X_OVER_TMP,
+ AXP22X_MISC_N_VBUSEN_FUNC, 0);
+ rdev = devm_regulator_register(&pdev->dev,
+ &axp22x_drivevbus_regulator,
+ &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "Failed to register drivevbus\n");
+ return PTR_ERR(rdev);
+ }
+ }
+
+ return 0;
+}
+
+static struct platform_driver axp20x_regulator_driver = {
+ .probe = axp20x_regulator_probe,
+ .driver = {
+ .name = "axp20x-regulator",
+ },
+};
+
+module_platform_driver(axp20x_regulator_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
+MODULE_DESCRIPTION("Regulator Driver for AXP20X PMIC");
+MODULE_ALIAS("platform:axp20x-regulator");