修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/regulator/max8925-regulator.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Regulators driver for Maxim max8925
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  *
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  * Copyright (C) 2009 Marvell International Ltd.
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  *      Haojian Zhuang <haojian.zhuang@marvell.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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 #include <linux/kernel.h>
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 #include <linux/module.h>
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@@ -159,6 +156,8 @@
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 {								\
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 	.desc	= {						\
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 		.name	= "SDV" #_id,				\
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+		.of_match = of_match_ptr("SDV" #_id),		\
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+		.regulators_node = of_match_ptr("regulators"),	\
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 		.ops	= &max8925_regulator_sdv_ops,		\
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 		.type	= REGULATOR_VOLTAGE,			\
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 		.id	= MAX8925_ID_SD##_id,			\
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@@ -175,6 +174,8 @@
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 {								\
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 	.desc	= {						\
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 		.name	= "LDO" #_id,				\
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+		.of_match = of_match_ptr("LDO" #_id),		\
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+		.regulators_node = of_match_ptr("regulators"),	\
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 		.ops	= &max8925_regulator_ldo_ops,		\
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 		.type	= REGULATOR_VOLTAGE,			\
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 		.id	= MAX8925_ID_LDO##_id,			\
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@@ -186,34 +187,6 @@
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 	.vol_reg	= MAX8925_LDOVOUT##_id,			\
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 	.enable_reg	= MAX8925_LDOCTL##_id,			\
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 }
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-
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-#ifdef CONFIG_OF
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-static struct of_regulator_match max8925_regulator_matches[] = {
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-	{ .name	= "SDV1",},
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-	{ .name = "SDV2",},
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-	{ .name = "SDV3",},
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-	{ .name = "LDO1",},
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-	{ .name = "LDO2",},
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-	{ .name = "LDO3",},
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-	{ .name = "LDO4",},
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-	{ .name = "LDO5",},
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-	{ .name = "LDO6",},
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-	{ .name = "LDO7",},
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-	{ .name = "LDO8",},
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-	{ .name = "LDO9",},
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-	{ .name = "LDO10",},
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-	{ .name = "LDO11",},
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-	{ .name = "LDO12",},
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-	{ .name = "LDO13",},
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-	{ .name = "LDO14",},
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-	{ .name = "LDO15",},
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-	{ .name = "LDO16",},
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-	{ .name = "LDO17",},
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-	{ .name = "LDO18",},
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-	{ .name = "LDO19",},
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-	{ .name = "LDO20",},
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-};
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-#endif
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190
 
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 static struct max8925_regulator_info max8925_regulator_info[] = {
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 	MAX8925_SDV(1, 637.5, 1425, 12.5),
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@@ -242,37 +215,6 @@
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 	MAX8925_LDO(20, 750, 3900, 50),
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 };
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-#ifdef CONFIG_OF
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-static int max8925_regulator_dt_init(struct platform_device *pdev,
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-				    struct regulator_config *config,
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-				    int ridx)
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-{
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-	struct device_node *nproot, *np;
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-	int rcount;
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-
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-	nproot = pdev->dev.parent->of_node;
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-	if (!nproot)
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-		return -ENODEV;
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-	np = of_get_child_by_name(nproot, "regulators");
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-	if (!np) {
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-		dev_err(&pdev->dev, "failed to find regulators node\n");
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-		return -ENODEV;
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-	}
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-
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-	rcount = of_regulator_match(&pdev->dev, np,
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-				&max8925_regulator_matches[ridx], 1);
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-	of_node_put(np);
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-	if (rcount < 0)
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-		return rcount;
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-	config->init_data =	max8925_regulator_matches[ridx].init_data;
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-	config->of_node = max8925_regulator_matches[ridx].of_node;
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-
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-	return 0;
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-}
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-#else
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-#define max8925_regulator_dt_init(x, y, z)	(-1)
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-#endif
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-
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 static int max8925_regulator_probe(struct platform_device *pdev)
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 {
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 	struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
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@@ -281,7 +223,7 @@
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 	struct max8925_regulator_info *ri;
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 	struct resource *res;
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 	struct regulator_dev *rdev;
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-	int i, regulator_idx;
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+	int i;
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 	res = platform_get_resource(pdev, IORESOURCE_REG, 0);
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 	if (!res) {
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@@ -290,10 +232,8 @@
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 	}
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 	for (i = 0; i < ARRAY_SIZE(max8925_regulator_info); i++) {
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 		ri = &max8925_regulator_info[i];
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-		if (ri->vol_reg == res->start) {
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-			regulator_idx = i;
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+		if (ri->vol_reg == res->start)
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 			break;
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-		}
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 	}
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 	if (i == ARRAY_SIZE(max8925_regulator_info)) {
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@@ -303,12 +243,11 @@
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 	}
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 	ri->i2c = chip->i2c;
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-	config.dev = &pdev->dev;
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+	config.dev = chip->dev;
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 	config.driver_data = ri;
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-	if (max8925_regulator_dt_init(pdev, &config, regulator_idx))
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-		if (pdata)
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-			config.init_data = pdata;
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+	if (pdata)
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+		config.init_data = pdata;
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 	rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
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 	if (IS_ERR(rdev)) {