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path: root/drivers/regulator/max77802-regulator.c
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Diffstat (limited to 'drivers/regulator/max77802-regulator.c')
-rw-r--r--drivers/regulator/max77802-regulator.c567
1 files changed, 567 insertions, 0 deletions
diff --git a/drivers/regulator/max77802-regulator.c b/drivers/regulator/max77802-regulator.c
new file mode 100644
index 0000000000..69eb6abd25
--- /dev/null
+++ b/drivers/regulator/max77802-regulator.c
@@ -0,0 +1,567 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// max77802.c - Regulator driver for the Maxim 77802
+//
+// Copyright (C) 2013-2014 Google, Inc
+// Simon Glass <sjg@chromium.org>
+//
+// Copyright (C) 2012 Samsung Electronics
+// Chiwoong Byun <woong.byun@samsung.com>
+// Jonghwa Lee <jonghwa3.lee@samsung.com>
+//
+// This driver is based on max8997.c
+
+#include <linux/kernel.h>
+#include <linux/bug.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/mfd/max77686.h>
+#include <linux/mfd/max77686-private.h>
+#include <dt-bindings/regulator/maxim,max77802.h>
+
+/* Default ramp delay in case it is not manually set */
+#define MAX77802_RAMP_DELAY 100000 /* uV/us */
+
+#define MAX77802_OPMODE_SHIFT_LDO 6
+#define MAX77802_OPMODE_BUCK234_SHIFT 4
+#define MAX77802_OPMODE_MASK 0x3
+
+#define MAX77802_VSEL_MASK 0x3F
+#define MAX77802_DVS_VSEL_MASK 0xFF
+
+#define MAX77802_RAMP_RATE_MASK_2BIT 0xC0
+#define MAX77802_RAMP_RATE_SHIFT_2BIT 6
+#define MAX77802_RAMP_RATE_MASK_4BIT 0xF0
+#define MAX77802_RAMP_RATE_SHIFT_4BIT 4
+
+#define MAX77802_STATUS_OFF 0x0
+#define MAX77802_OFF_PWRREQ 0x1
+#define MAX77802_LP_PWRREQ 0x2
+
+static const unsigned int max77802_buck234_ramp_table[] = {
+ 12500,
+ 25000,
+ 50000,
+ 100000,
+};
+
+static const unsigned int max77802_buck16_ramp_table[] = {
+ 1000, 2000, 3030, 4000,
+ 5000, 5880, 7140, 8330,
+ 9090, 10000, 11110, 12500,
+ 16670, 25000, 50000, 100000,
+};
+
+struct max77802_regulator_prv {
+ /* Array indexed by regulator id */
+ unsigned int opmode[MAX77802_REG_MAX];
+};
+
+static inline unsigned int max77802_map_mode(unsigned int mode)
+{
+ return mode == MAX77802_OPMODE_NORMAL ?
+ REGULATOR_MODE_NORMAL : REGULATOR_MODE_STANDBY;
+}
+
+static int max77802_get_opmode_shift(int id)
+{
+ if (id == MAX77802_BUCK1 || (id >= MAX77802_BUCK5 &&
+ id <= MAX77802_BUCK10))
+ return 0;
+
+ if (id >= MAX77802_BUCK2 && id <= MAX77802_BUCK4)
+ return MAX77802_OPMODE_BUCK234_SHIFT;
+
+ if (id >= MAX77802_LDO1 && id <= MAX77802_LDO35)
+ return MAX77802_OPMODE_SHIFT_LDO;
+
+ return -EINVAL;
+}
+
+/**
+ * max77802_set_suspend_disable - Disable the regulator during system suspend
+ * @rdev: regulator to mark as disabled
+ *
+ * All regulators expect LDO 1, 3, 20 and 21 support OFF by PWRREQ.
+ * Configure the regulator so the PMIC will turn it OFF during system suspend.
+ */
+static int max77802_set_suspend_disable(struct regulator_dev *rdev)
+{
+ unsigned int val = MAX77802_OFF_PWRREQ;
+ struct max77802_regulator_prv *max77802 = rdev_get_drvdata(rdev);
+ unsigned int id = rdev_get_id(rdev);
+ int shift = max77802_get_opmode_shift(id);
+
+ if (WARN_ON_ONCE(id >= ARRAY_SIZE(max77802->opmode)))
+ return -EINVAL;
+ max77802->opmode[id] = val;
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask, val << shift);
+}
+
+/*
+ * Some LDOs support Low Power Mode while the system is running.
+ *
+ * LDOs 1, 3, 20, 21.
+ */
+static int max77802_set_mode(struct regulator_dev *rdev, unsigned int mode)
+{
+ struct max77802_regulator_prv *max77802 = rdev_get_drvdata(rdev);
+ unsigned int id = rdev_get_id(rdev);
+ unsigned int val;
+ int shift = max77802_get_opmode_shift(id);
+
+ switch (mode) {
+ case REGULATOR_MODE_STANDBY:
+ val = MAX77802_OPMODE_LP; /* ON in Low Power Mode */
+ break;
+ case REGULATOR_MODE_NORMAL:
+ val = MAX77802_OPMODE_NORMAL; /* ON in Normal Mode */
+ break;
+ default:
+ dev_warn(&rdev->dev, "%s: regulator mode: 0x%x not supported\n",
+ rdev->desc->name, mode);
+ return -EINVAL;
+ }
+
+ if (WARN_ON_ONCE(id >= ARRAY_SIZE(max77802->opmode)))
+ return -EINVAL;
+
+ max77802->opmode[id] = val;
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask, val << shift);
+}
+
+static unsigned max77802_get_mode(struct regulator_dev *rdev)
+{
+ struct max77802_regulator_prv *max77802 = rdev_get_drvdata(rdev);
+ unsigned int id = rdev_get_id(rdev);
+
+ if (WARN_ON_ONCE(id >= ARRAY_SIZE(max77802->opmode)))
+ return -EINVAL;
+ return max77802_map_mode(max77802->opmode[id]);
+}
+
+/**
+ * max77802_set_suspend_mode - set regulator opmode when the system is suspended
+ * @rdev: regulator to change mode
+ * @mode: operating mode to be set
+ *
+ * Will set the operating mode for the regulators during system suspend.
+ * This function is valid for the three different enable control logics:
+ *
+ * Enable Control Logic1 by PWRREQ (BUCK 2-4 and LDOs 2, 4-19, 22-35)
+ * Enable Control Logic2 by PWRREQ (LDOs 1, 20, 21)
+ * Enable Control Logic3 by PWRREQ (LDO 3)
+ *
+ * If setting the regulator mode fails, the function only warns but does
+ * not return an error code to avoid the regulator core to stop setting
+ * the operating mode for the remaining regulators.
+ */
+static int max77802_set_suspend_mode(struct regulator_dev *rdev,
+ unsigned int mode)
+{
+ struct max77802_regulator_prv *max77802 = rdev_get_drvdata(rdev);
+ unsigned int id = rdev_get_id(rdev);
+ unsigned int val;
+ int shift = max77802_get_opmode_shift(id);
+
+ if (WARN_ON_ONCE(id >= ARRAY_SIZE(max77802->opmode)))
+ return -EINVAL;
+
+ /*
+ * If the regulator has been disabled for suspend
+ * then is invalid to try setting a suspend mode.
+ */
+ if (max77802->opmode[id] == MAX77802_OFF_PWRREQ) {
+ dev_warn(&rdev->dev, "%s: is disabled, mode: 0x%x not set\n",
+ rdev->desc->name, mode);
+ return 0;
+ }
+
+ switch (mode) {
+ case REGULATOR_MODE_STANDBY:
+ /*
+ * If the regulator opmode is normal then enable
+ * ON in Low Power Mode by PWRREQ. If the mode is
+ * already Low Power then no action is required.
+ */
+ if (max77802->opmode[id] == MAX77802_OPMODE_NORMAL)
+ val = MAX77802_LP_PWRREQ;
+ else
+ return 0;
+ break;
+ case REGULATOR_MODE_NORMAL:
+ /*
+ * If the regulator operating mode is Low Power then
+ * normal is not a valid opmode in suspend. If the
+ * mode is already normal then no action is required.
+ */
+ if (max77802->opmode[id] == MAX77802_OPMODE_LP)
+ dev_warn(&rdev->dev, "%s: in Low Power: 0x%x invalid\n",
+ rdev->desc->name, mode);
+ return 0;
+ default:
+ dev_warn(&rdev->dev, "%s: regulator mode: 0x%x not supported\n",
+ rdev->desc->name, mode);
+ return -EINVAL;
+ }
+
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask, val << shift);
+}
+
+static int max77802_enable(struct regulator_dev *rdev)
+{
+ struct max77802_regulator_prv *max77802 = rdev_get_drvdata(rdev);
+ unsigned int id = rdev_get_id(rdev);
+ int shift = max77802_get_opmode_shift(id);
+
+ if (WARN_ON_ONCE(id >= ARRAY_SIZE(max77802->opmode)))
+ return -EINVAL;
+ if (max77802->opmode[id] == MAX77802_OFF_PWRREQ)
+ max77802->opmode[id] = MAX77802_OPMODE_NORMAL;
+
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask,
+ max77802->opmode[id] << shift);
+}
+
+/*
+ * LDOs 2, 4-19, 22-35
+ */
+static const struct regulator_ops max77802_ldo_ops_logic1 = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = max77802_enable,
+ .disable = regulator_disable_regmap,
+ .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_suspend_disable = max77802_set_suspend_disable,
+ .set_suspend_mode = max77802_set_suspend_mode,
+};
+
+/*
+ * LDOs 1, 20, 21, 3
+ */
+static const struct regulator_ops max77802_ldo_ops_logic2 = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = max77802_enable,
+ .disable = regulator_disable_regmap,
+ .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 = max77802_set_mode,
+ .get_mode = max77802_get_mode,
+ .set_suspend_mode = max77802_set_suspend_mode,
+};
+
+/* BUCKS 1, 6 */
+static const struct regulator_ops max77802_buck_16_dvs_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = max77802_enable,
+ .disable = regulator_disable_regmap,
+ .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_ramp_delay = regulator_set_ramp_delay_regmap,
+ .set_suspend_disable = max77802_set_suspend_disable,
+};
+
+/* BUCKs 2-4 */
+static const struct regulator_ops max77802_buck_234_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = max77802_enable,
+ .disable = regulator_disable_regmap,
+ .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_ramp_delay = regulator_set_ramp_delay_regmap,
+ .set_suspend_disable = max77802_set_suspend_disable,
+ .set_suspend_mode = max77802_set_suspend_mode,
+};
+
+/* BUCKs 5, 7-10 */
+static const struct regulator_ops max77802_buck_dvs_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = max77802_enable,
+ .disable = regulator_disable_regmap,
+ .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_suspend_disable = max77802_set_suspend_disable,
+};
+
+/* LDOs 3-7, 9-14, 18-26, 28, 29, 32-34 */
+#define regulator_77802_desc_p_ldo(num, supply, log) { \
+ .name = "LDO"#num, \
+ .of_match = of_match_ptr("LDO"#num), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .id = MAX77802_LDO##num, \
+ .supply_name = "inl"#supply, \
+ .ops = &max77802_ldo_ops_logic##log, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = 800000, \
+ .uV_step = 50000, \
+ .ramp_delay = MAX77802_RAMP_DELAY, \
+ .n_voltages = 1 << 6, \
+ .vsel_reg = MAX77802_REG_LDO1CTRL1 + num - 1, \
+ .vsel_mask = MAX77802_VSEL_MASK, \
+ .enable_reg = MAX77802_REG_LDO1CTRL1 + num - 1, \
+ .enable_mask = MAX77802_OPMODE_MASK << MAX77802_OPMODE_SHIFT_LDO, \
+ .of_map_mode = max77802_map_mode, \
+}
+
+/* LDOs 1, 2, 8, 15, 17, 27, 30, 35 */
+#define regulator_77802_desc_n_ldo(num, supply, log) { \
+ .name = "LDO"#num, \
+ .of_match = of_match_ptr("LDO"#num), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .id = MAX77802_LDO##num, \
+ .supply_name = "inl"#supply, \
+ .ops = &max77802_ldo_ops_logic##log, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = 800000, \
+ .uV_step = 25000, \
+ .ramp_delay = MAX77802_RAMP_DELAY, \
+ .n_voltages = 1 << 6, \
+ .vsel_reg = MAX77802_REG_LDO1CTRL1 + num - 1, \
+ .vsel_mask = MAX77802_VSEL_MASK, \
+ .enable_reg = MAX77802_REG_LDO1CTRL1 + num - 1, \
+ .enable_mask = MAX77802_OPMODE_MASK << MAX77802_OPMODE_SHIFT_LDO, \
+ .of_map_mode = max77802_map_mode, \
+}
+
+/* BUCKs 1, 6 */
+#define regulator_77802_desc_16_buck(num) { \
+ .name = "BUCK"#num, \
+ .of_match = of_match_ptr("BUCK"#num), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .id = MAX77802_BUCK##num, \
+ .supply_name = "inb"#num, \
+ .ops = &max77802_buck_16_dvs_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = 612500, \
+ .uV_step = 6250, \
+ .ramp_delay = MAX77802_RAMP_DELAY, \
+ .n_voltages = 1 << 8, \
+ .vsel_reg = MAX77802_REG_BUCK ## num ## DVS1, \
+ .vsel_mask = MAX77802_DVS_VSEL_MASK, \
+ .enable_reg = MAX77802_REG_BUCK ## num ## CTRL, \
+ .enable_mask = MAX77802_OPMODE_MASK, \
+ .ramp_reg = MAX77802_REG_BUCK ## num ## CTRL, \
+ .ramp_mask = MAX77802_RAMP_RATE_MASK_4BIT, \
+ .ramp_delay_table = max77802_buck16_ramp_table, \
+ .n_ramp_values = ARRAY_SIZE(max77802_buck16_ramp_table), \
+ .of_map_mode = max77802_map_mode, \
+}
+
+/* BUCKS 2-4 */
+#define regulator_77802_desc_234_buck(num) { \
+ .name = "BUCK"#num, \
+ .of_match = of_match_ptr("BUCK"#num), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .id = MAX77802_BUCK##num, \
+ .supply_name = "inb"#num, \
+ .ops = &max77802_buck_234_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = 600000, \
+ .uV_step = 6250, \
+ .ramp_delay = MAX77802_RAMP_DELAY, \
+ .n_voltages = 0x91, \
+ .vsel_reg = MAX77802_REG_BUCK ## num ## DVS1, \
+ .vsel_mask = MAX77802_DVS_VSEL_MASK, \
+ .enable_reg = MAX77802_REG_BUCK ## num ## CTRL1, \
+ .enable_mask = MAX77802_OPMODE_MASK << \
+ MAX77802_OPMODE_BUCK234_SHIFT, \
+ .ramp_reg = MAX77802_REG_BUCK ## num ## CTRL1, \
+ .ramp_mask = MAX77802_RAMP_RATE_MASK_2BIT, \
+ .ramp_delay_table = max77802_buck234_ramp_table, \
+ .n_ramp_values = ARRAY_SIZE(max77802_buck234_ramp_table), \
+ .of_map_mode = max77802_map_mode, \
+}
+
+/* BUCK 5 */
+#define regulator_77802_desc_buck5(num) { \
+ .name = "BUCK"#num, \
+ .of_match = of_match_ptr("BUCK"#num), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .id = MAX77802_BUCK##num, \
+ .supply_name = "inb"#num, \
+ .ops = &max77802_buck_dvs_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = 750000, \
+ .uV_step = 50000, \
+ .ramp_delay = MAX77802_RAMP_DELAY, \
+ .n_voltages = 1 << 6, \
+ .vsel_reg = MAX77802_REG_BUCK5OUT, \
+ .vsel_mask = MAX77802_VSEL_MASK, \
+ .enable_reg = MAX77802_REG_BUCK5CTRL, \
+ .enable_mask = MAX77802_OPMODE_MASK, \
+ .of_map_mode = max77802_map_mode, \
+}
+
+/* BUCKs 7-10 */
+#define regulator_77802_desc_buck7_10(num) { \
+ .name = "BUCK"#num, \
+ .of_match = of_match_ptr("BUCK"#num), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .id = MAX77802_BUCK##num, \
+ .supply_name = "inb"#num, \
+ .ops = &max77802_buck_dvs_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = 750000, \
+ .uV_step = 50000, \
+ .ramp_delay = MAX77802_RAMP_DELAY, \
+ .n_voltages = 1 << 6, \
+ .vsel_reg = MAX77802_REG_BUCK7OUT + (num - 7) * 3, \
+ .vsel_mask = MAX77802_VSEL_MASK, \
+ .enable_reg = MAX77802_REG_BUCK7CTRL + (num - 7) * 3, \
+ .enable_mask = MAX77802_OPMODE_MASK, \
+ .of_map_mode = max77802_map_mode, \
+}
+
+static const struct regulator_desc regulators[] = {
+ regulator_77802_desc_16_buck(1),
+ regulator_77802_desc_234_buck(2),
+ regulator_77802_desc_234_buck(3),
+ regulator_77802_desc_234_buck(4),
+ regulator_77802_desc_buck5(5),
+ regulator_77802_desc_16_buck(6),
+ regulator_77802_desc_buck7_10(7),
+ regulator_77802_desc_buck7_10(8),
+ regulator_77802_desc_buck7_10(9),
+ regulator_77802_desc_buck7_10(10),
+ regulator_77802_desc_n_ldo(1, 10, 2),
+ regulator_77802_desc_n_ldo(2, 10, 1),
+ regulator_77802_desc_p_ldo(3, 3, 2),
+ regulator_77802_desc_p_ldo(4, 6, 1),
+ regulator_77802_desc_p_ldo(5, 3, 1),
+ regulator_77802_desc_p_ldo(6, 3, 1),
+ regulator_77802_desc_p_ldo(7, 3, 1),
+ regulator_77802_desc_n_ldo(8, 1, 1),
+ regulator_77802_desc_p_ldo(9, 5, 1),
+ regulator_77802_desc_p_ldo(10, 4, 1),
+ regulator_77802_desc_p_ldo(11, 4, 1),
+ regulator_77802_desc_p_ldo(12, 9, 1),
+ regulator_77802_desc_p_ldo(13, 4, 1),
+ regulator_77802_desc_p_ldo(14, 4, 1),
+ regulator_77802_desc_n_ldo(15, 1, 1),
+ regulator_77802_desc_n_ldo(17, 2, 1),
+ regulator_77802_desc_p_ldo(18, 7, 1),
+ regulator_77802_desc_p_ldo(19, 5, 1),
+ regulator_77802_desc_p_ldo(20, 7, 2),
+ regulator_77802_desc_p_ldo(21, 6, 2),
+ regulator_77802_desc_p_ldo(23, 9, 1),
+ regulator_77802_desc_p_ldo(24, 6, 1),
+ regulator_77802_desc_p_ldo(25, 9, 1),
+ regulator_77802_desc_p_ldo(26, 9, 1),
+ regulator_77802_desc_n_ldo(27, 2, 1),
+ regulator_77802_desc_p_ldo(28, 7, 1),
+ regulator_77802_desc_p_ldo(29, 7, 1),
+ regulator_77802_desc_n_ldo(30, 2, 1),
+ regulator_77802_desc_p_ldo(32, 9, 1),
+ regulator_77802_desc_p_ldo(33, 6, 1),
+ regulator_77802_desc_p_ldo(34, 9, 1),
+ regulator_77802_desc_n_ldo(35, 2, 1),
+};
+
+static int max77802_pmic_probe(struct platform_device *pdev)
+{
+ struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent);
+ struct max77802_regulator_prv *max77802;
+ int i, val;
+ struct regulator_config config = { };
+
+ max77802 = devm_kzalloc(&pdev->dev,
+ sizeof(struct max77802_regulator_prv),
+ GFP_KERNEL);
+ if (!max77802)
+ return -ENOMEM;
+
+ config.dev = iodev->dev;
+ config.regmap = iodev->regmap;
+ config.driver_data = max77802;
+ platform_set_drvdata(pdev, max77802);
+
+ for (i = 0; i < MAX77802_REG_MAX; i++) {
+ struct regulator_dev *rdev;
+ unsigned int id = regulators[i].id;
+ int shift = max77802_get_opmode_shift(id);
+ int ret;
+
+ ret = regmap_read(iodev->regmap, regulators[i].enable_reg, &val);
+ if (ret < 0) {
+ dev_warn(&pdev->dev,
+ "cannot read current mode for %d\n", i);
+ val = MAX77802_OPMODE_NORMAL;
+ } else {
+ val = val >> shift & MAX77802_OPMODE_MASK;
+ }
+
+ /*
+ * If the regulator is disabled and the system warm rebooted,
+ * the hardware reports OFF as the regulator operating mode.
+ * Default to operating mode NORMAL in that case.
+ */
+ if (id < ARRAY_SIZE(max77802->opmode)) {
+ if (val == MAX77802_STATUS_OFF)
+ max77802->opmode[id] = MAX77802_OPMODE_NORMAL;
+ else
+ max77802->opmode[id] = val;
+ }
+
+ rdev = devm_regulator_register(&pdev->dev,
+ &regulators[i], &config);
+ if (IS_ERR(rdev)) {
+ ret = PTR_ERR(rdev);
+ dev_err(&pdev->dev,
+ "regulator init failed for %d: %d\n", i, ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static const struct platform_device_id max77802_pmic_id[] = {
+ {"max77802-pmic", 0},
+ { },
+};
+MODULE_DEVICE_TABLE(platform, max77802_pmic_id);
+
+static struct platform_driver max77802_pmic_driver = {
+ .driver = {
+ .name = "max77802-pmic",
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
+ },
+ .probe = max77802_pmic_probe,
+ .id_table = max77802_pmic_id,
+};
+
+module_platform_driver(max77802_pmic_driver);
+
+MODULE_DESCRIPTION("MAXIM 77802 Regulator Driver");
+MODULE_AUTHOR("Simon Glass <sjg@chromium.org>");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 10:49:39 +0000