regulator: da9121: Add device variants (f3fbd556) · Commits · 戴 / test

drivers/regulator/da9121-regulator.c

+43 −3

Original line number	Diff line number	Diff line
		@@ -11,6 +11,12 @@
		#include <linux/i2c.h>
		#include "da9121-regulator.h"

		/* Chip data */
		struct da9121 {
		struct device *dev;
		int variant_id;
		};

		#define DA9121_MIN_MV 300
		#define DA9121_MAX_MV 1900
		#define DA9121_STEP_MV 10
		@@ -53,19 +59,46 @@ static const struct regulator_desc da9121_reg = {
		};

		static const struct of_device_id da9121_dt_ids[] = {
		{ .compatible = "dlg,da9121", },
		{ .compatible = "dlg,da9121", .data = (void *) DA9121_TYPE_DA9121_DA9130 },
		{ .compatible = "dlg,da9130", .data = (void *) DA9121_TYPE_DA9121_DA9130 },
		{ .compatible = "dlg,da9217", .data = (void *) DA9121_TYPE_DA9217 },
		{ .compatible = "dlg,da9122", .data = (void *) DA9121_TYPE_DA9122_DA9131 },
		{ .compatible = "dlg,da9131", .data = (void *) DA9121_TYPE_DA9122_DA9131 },
		{ .compatible = "dlg,da9220", .data = (void *) DA9121_TYPE_DA9220_DA9132 },
		{ .compatible = "dlg,da9132", .data = (void *) DA9121_TYPE_DA9220_DA9132 },
		{ }
		};
		MODULE_DEVICE_TABLE(of, da9121_dt_ids);

		static inline int da9121_of_get_id(struct device *dev)
		{
		const struct of_device_id *id = of_match_device(da9121_dt_ids, dev);

		if (!id) {
		dev_err(dev, "%s: Failed\n", __func__);
		return -EINVAL;
		}
		return (uintptr_t)id->data;
		}

		static int da9121_i2c_probe(struct i2c_client *i2c,
		const struct i2c_device_id *id)
		{
		struct da9121 *chip;
		int ret = 0;
		struct device *dev = &i2c->dev;
		struct regulator_config config = {};
		struct regulator_dev *rdev;
		struct regmap *regmap;

		chip = devm_kzalloc(&i2c->dev, sizeof(struct da9121), GFP_KERNEL);
		if (!chip) {
		ret = -ENOMEM;
		goto error;
		}

		chip->variant_id = da9121_of_get_id(&i2c->dev);

		regmap = devm_regmap_init_i2c(i2c, &da9121_regmap_config);
		if (IS_ERR(regmap))
		return PTR_ERR(regmap);
		@@ -80,11 +113,18 @@ static int da9121_i2c_probe(struct i2c_client *i2c,
		return PTR_ERR(rdev);
		}

		return 0;
		error:
		return ret;
		}

		static const struct i2c_device_id da9121_i2c_id[] = {
		{ "da9121", 0 },
		{"da9121", DA9121_TYPE_DA9121_DA9130},
		{"da9130", DA9121_TYPE_DA9121_DA9130},
		{"da9217", DA9121_TYPE_DA9217},
		{"da9122", DA9121_TYPE_DA9122_DA9131},
		{"da9131", DA9121_TYPE_DA9122_DA9131},
		{"da9220", DA9121_TYPE_DA9220_DA9132},
		{"da9132", DA9121_TYPE_DA9220_DA9132},
		{},
		};
		MODULE_DEVICE_TABLE(i2c, da9121_i2c_id);

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