regulator: max8925: Convert to regulator core's simplified DT parsing code
Use regulator core's simplified DT parsing code to simply the driver implementation. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -159,6 +159,8 @@ static const struct regulator_ops max8925_regulator_ldo_ops = {
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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 +177,8 @@ static const struct regulator_ops max8925_regulator_ldo_ops = {
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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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@ -187,34 +191,6 @@ static const struct regulator_ops max8925_regulator_ldo_ops = {
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.enable_reg = MAX8925_LDOCTL##_id, \
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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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static struct max8925_regulator_info max8925_regulator_info[] = {
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MAX8925_SDV(1, 637.5, 1425, 12.5),
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MAX8925_SDV(2, 650, 2225, 25),
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@ -242,37 +218,6 @@ static struct max8925_regulator_info max8925_regulator_info[] = {
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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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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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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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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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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 +226,7 @@ static int max8925_regulator_probe(struct platform_device *pdev)
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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 +235,8 @@ static int max8925_regulator_probe(struct platform_device *pdev)
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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 +246,11 @@ static int max8925_regulator_probe(struct platform_device *pdev)
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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)) {
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