add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/regulator/ab8500-ext.c
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@@ -1,7 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) ST-Ericsson SA 2010
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- *
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- * License Terms: GNU General Public License v2
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  *
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  * Authors: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
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  *
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@@ -479,7 +478,6 @@
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  * struct ab8500_ext_regulator_info - ab8500 regulator information
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  * @dev: device pointer
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  * @desc: regulator description
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- * @rdev: regulator device
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  * @cfg: regulator configuration (extension of regulator FW configuration)
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  * @update_bank: bank to control on/off
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  * @update_reg: register to control on/off
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@@ -495,7 +493,6 @@
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 struct ab8500_ext_regulator_info {
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 	struct device *dev;
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 	struct regulator_desc desc;
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-	struct regulator_dev *rdev;
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 	struct ab8500_ext_regulator_cfg *cfg;
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 	u8 update_bank;
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 	u8 update_reg;
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@@ -530,7 +527,7 @@
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 		info->update_bank, info->update_reg,
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 		info->update_mask, regval);
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 	if (ret < 0) {
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-		dev_err(rdev_get_dev(info->rdev),
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+		dev_err(rdev_get_dev(rdev),
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 			"couldn't set enable bits for regulator\n");
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 		return ret;
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 	}
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@@ -566,7 +563,7 @@
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 		info->update_bank, info->update_reg,
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 		info->update_mask, regval);
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 	if (ret < 0) {
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-		dev_err(rdev_get_dev(info->rdev),
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+		dev_err(rdev_get_dev(rdev),
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 			"couldn't set disable bits for regulator\n");
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 		return ret;
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 	}
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@@ -720,7 +717,7 @@
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 	return -EINVAL;
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 }
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-static struct regulator_ops ab8500_ext_regulator_ops = {
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+static const struct regulator_ops ab8500_ext_regulator_ops = {
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 	.enable			= ab8500_ext_regulator_enable,
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 	.disable		= ab8500_ext_regulator_disable,
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 	.is_enabled		= ab8500_ext_regulator_is_enabled,
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@@ -735,6 +732,7 @@
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 	[AB8500_EXT_SUPPLY1] = {
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 		.desc = {
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 			.name		= "VEXTSUPPLY1",
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+			.of_match	= of_match_ptr("ab8500_ext1"),
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 			.ops		= &ab8500_ext_regulator_ops,
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 			.type		= REGULATOR_VOLTAGE,
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 			.id		= AB8500_EXT_SUPPLY1,
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@@ -752,6 +750,7 @@
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 	[AB8500_EXT_SUPPLY2] = {
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 		.desc = {
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 			.name		= "VEXTSUPPLY2",
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+			.of_match	= of_match_ptr("ab8500_ext2"),
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 			.ops		= &ab8500_ext_regulator_ops,
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 			.type		= REGULATOR_VOLTAGE,
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 			.id		= AB8500_EXT_SUPPLY2,
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@@ -769,6 +768,7 @@
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 	[AB8500_EXT_SUPPLY3] = {
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 		.desc = {
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 			.name		= "VEXTSUPPLY3",
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+			.of_match	= of_match_ptr("ab8500_ext3"),
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 			.ops		= &ab8500_ext_regulator_ops,
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 			.type		= REGULATOR_VOLTAGE,
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 			.id		= AB8500_EXT_SUPPLY3,
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@@ -785,30 +785,13 @@
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 	},
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 };
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-static struct of_regulator_match ab8500_ext_regulator_match[] = {
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-	{ .name = "ab8500_ext1", .driver_data = (void *) AB8500_EXT_SUPPLY1, },
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-	{ .name = "ab8500_ext2", .driver_data = (void *) AB8500_EXT_SUPPLY2, },
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-	{ .name = "ab8500_ext3", .driver_data = (void *) AB8500_EXT_SUPPLY3, },
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-};
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-
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 static int ab8500_ext_regulator_probe(struct platform_device *pdev)
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 {
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 	struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
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 	struct ab8500_regulator_platform_data *pdata = &ab8500_regulator_plat_data;
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-	struct device_node *np = pdev->dev.of_node;
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 	struct regulator_config config = { };
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-	int i, err;
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-
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-	if (np) {
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-		err = of_regulator_match(&pdev->dev, np,
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-					 ab8500_ext_regulator_match,
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-					 ARRAY_SIZE(ab8500_ext_regulator_match));
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-		if (err < 0) {
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-			dev_err(&pdev->dev,
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-				"Error parsing regulator init data: %d\n", err);
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-			return err;
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-		}
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-	}
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+	struct regulator_dev *rdev;
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+	int i;
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 	if (!ab8500) {
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 		dev_err(&pdev->dev, "null mfd parent\n");
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@@ -844,23 +827,18 @@
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 		config.dev = &pdev->dev;
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 		config.driver_data = info;
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-		config.of_node = ab8500_ext_regulator_match[i].of_node;
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-		config.init_data = (np) ?
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-			ab8500_ext_regulator_match[i].init_data :
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-			&pdata->ext_regulator[i];
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+		config.init_data = &pdata->ext_regulator[i];
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 		/* register regulator with framework */
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-		info->rdev = devm_regulator_register(&pdev->dev, &info->desc,
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-						     &config);
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-		if (IS_ERR(info->rdev)) {
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-			err = PTR_ERR(info->rdev);
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+		rdev = devm_regulator_register(&pdev->dev, &info->desc,
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+					       &config);
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+		if (IS_ERR(rdev)) {
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 			dev_err(&pdev->dev, "failed to register regulator %s\n",
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 					info->desc.name);
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-			return err;
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+			return PTR_ERR(rdev);
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 		}
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-		dev_dbg(rdev_get_dev(info->rdev),
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-			"%s-probed\n", info->desc.name);
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+		dev_dbg(&pdev->dev, "%s-probed\n", info->desc.name);
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 	}
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 	return 0;