add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/regulator/lp872x.c
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@@ -1,12 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright 2012 Texas Instruments
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  *
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  * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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  */
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 #include <linux/module.h>
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@@ -353,64 +349,6 @@
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 	return val & LP872X_VOUT_M;
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 }
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-static int lp8725_buck_set_current_limit(struct regulator_dev *rdev,
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-					int min_uA, int max_uA)
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-{
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-	struct lp872x *lp = rdev_get_drvdata(rdev);
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-	enum lp872x_regulator_id buck = rdev_get_id(rdev);
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-	int i;
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-	u8 addr;
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-
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-	switch (buck) {
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-	case LP8725_ID_BUCK1:
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-		addr = LP8725_BUCK1_VOUT2;
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-		break;
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-	case LP8725_ID_BUCK2:
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-		addr = LP8725_BUCK2_VOUT2;
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-		break;
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-	default:
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-		return -EINVAL;
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-	}
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-
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-	for (i = ARRAY_SIZE(lp8725_buck_uA) - 1; i >= 0; i--) {
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-		if (lp8725_buck_uA[i] >= min_uA &&
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-			lp8725_buck_uA[i] <= max_uA)
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-			return lp872x_update_bits(lp, addr,
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-						  LP8725_BUCK_CL_M,
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-						  i << LP8725_BUCK_CL_S);
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-	}
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-
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-	return -EINVAL;
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-}
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-
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-static int lp8725_buck_get_current_limit(struct regulator_dev *rdev)
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-{
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-	struct lp872x *lp = rdev_get_drvdata(rdev);
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-	enum lp872x_regulator_id buck = rdev_get_id(rdev);
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-	u8 addr, val;
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-	int ret;
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-
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-	switch (buck) {
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-	case LP8725_ID_BUCK1:
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-		addr = LP8725_BUCK1_VOUT2;
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-		break;
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-	case LP8725_ID_BUCK2:
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-		addr = LP8725_BUCK2_VOUT2;
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-		break;
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-	default:
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-		return -EINVAL;
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-	}
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-
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-	ret = lp872x_read_byte(lp, addr, &val);
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-	if (ret)
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-		return ret;
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-
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-	val = (val & LP8725_BUCK_CL_M) >> LP8725_BUCK_CL_S;
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-
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-	return (val < ARRAY_SIZE(lp8725_buck_uA)) ?
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-			lp8725_buck_uA[val] : -EINVAL;
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-}
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-
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 static int lp872x_buck_set_mode(struct regulator_dev *rdev, unsigned int mode)
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 {
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 	struct lp872x *lp = rdev_get_drvdata(rdev);
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@@ -478,7 +416,7 @@
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 	return val & mask ? REGULATOR_MODE_FAST : REGULATOR_MODE_NORMAL;
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 }
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-static struct regulator_ops lp872x_ldo_ops = {
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+static const struct regulator_ops lp872x_ldo_ops = {
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 	.list_voltage = regulator_list_voltage_table,
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 	.map_voltage = regulator_map_voltage_ascend,
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 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
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@@ -489,7 +427,7 @@
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 	.enable_time = lp872x_regulator_enable_time,
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 };
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-static struct regulator_ops lp8720_buck_ops = {
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+static const struct regulator_ops lp8720_buck_ops = {
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 	.list_voltage = regulator_list_voltage_table,
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 	.map_voltage = regulator_map_voltage_ascend,
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 	.set_voltage_sel = lp872x_buck_set_voltage_sel,
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@@ -502,7 +440,7 @@
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 	.get_mode = lp872x_buck_get_mode,
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 };
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-static struct regulator_ops lp8725_buck_ops = {
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+static const struct regulator_ops lp8725_buck_ops = {
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 	.list_voltage = regulator_list_voltage_table,
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 	.map_voltage = regulator_map_voltage_ascend,
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 	.set_voltage_sel = lp872x_buck_set_voltage_sel,
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@@ -513,11 +451,11 @@
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 	.enable_time = lp872x_regulator_enable_time,
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 	.set_mode = lp872x_buck_set_mode,
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 	.get_mode = lp872x_buck_get_mode,
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-	.set_current_limit = lp8725_buck_set_current_limit,
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-	.get_current_limit = lp8725_buck_get_current_limit,
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+	.set_current_limit = regulator_set_current_limit_regmap,
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+	.get_current_limit = regulator_get_current_limit_regmap,
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 };
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-static struct regulator_desc lp8720_regulator_desc[] = {
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+static const struct regulator_desc lp8720_regulator_desc[] = {
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 	{
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 		.name = "ldo1",
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 		.of_match = of_match_ptr("ldo1"),
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@@ -602,7 +540,7 @@
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 	},
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 };
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-static struct regulator_desc lp8725_regulator_desc[] = {
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+static const struct regulator_desc lp8725_regulator_desc[] = {
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 	{
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 		.name = "ldo1",
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 		.of_match = of_match_ptr("ldo1"),
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@@ -712,6 +650,10 @@
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 		.owner = THIS_MODULE,
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 		.enable_reg = LP872X_GENERAL_CFG,
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 		.enable_mask = LP8725_BUCK1_EN_M,
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+		.curr_table = lp8725_buck_uA,
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+		.n_current_limits = ARRAY_SIZE(lp8725_buck_uA),
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+		.csel_reg = LP8725_BUCK1_VOUT2,
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+		.csel_mask = LP8725_BUCK_CL_M,
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 	},
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 	{
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 		.name = "buck2",
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@@ -724,6 +666,10 @@
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 		.owner = THIS_MODULE,
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 		.enable_reg = LP872X_GENERAL_CFG,
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 		.enable_mask = LP8725_BUCK2_EN_M,
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+		.curr_table = lp8725_buck_uA,
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+		.n_current_limits = ARRAY_SIZE(lp8725_buck_uA),
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+		.csel_reg = LP8725_BUCK2_VOUT2,
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+		.csel_mask = LP8725_BUCK_CL_M,
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 	},
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 };
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@@ -820,7 +766,7 @@
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 static int lp872x_regulator_register(struct lp872x *lp)
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 {
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-	struct regulator_desc *desc;
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+	const struct regulator_desc *desc;
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 	struct regulator_config cfg = { };
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 	struct regulator_dev *rdev;
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 	int i;