regulator: tps65910 regulator: add device tree support
Add devicetree based initialization support for TI tps65910 regulators. Signed-off-by: Rhyland Klein <rklein@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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@ -23,6 +23,7 @@
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#include <linux/slab.h>
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#include <linux/gpio.h>
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#include <linux/mfd/tps65910.h>
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#include <linux/regulator/of_regulator.h>
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#define TPS65910_SUPPLY_STATE_ENABLED 0x1
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#define EXT_SLEEP_CONTROL (TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1 | \
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@ -1035,6 +1036,105 @@ static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic,
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return ret;
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}
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#ifdef CONFIG_OF
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static struct of_regulator_match tps65910_matches[] = {
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{ .name = "VRTC", .driver_data = (void *) &tps65910_regs[0] },
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{ .name = "VIO", .driver_data = (void *) &tps65910_regs[1] },
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{ .name = "VDD1", .driver_data = (void *) &tps65910_regs[2] },
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{ .name = "VDD2", .driver_data = (void *) &tps65910_regs[3] },
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{ .name = "VDD3", .driver_data = (void *) &tps65910_regs[4] },
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{ .name = "VDIG1", .driver_data = (void *) &tps65910_regs[5] },
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{ .name = "VDIG2", .driver_data = (void *) &tps65910_regs[6] },
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{ .name = "VPLL", .driver_data = (void *) &tps65910_regs[7] },
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{ .name = "VDAC", .driver_data = (void *) &tps65910_regs[8] },
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{ .name = "VAUX1", .driver_data = (void *) &tps65910_regs[9] },
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{ .name = "VAUX2", .driver_data = (void *) &tps65910_regs[10] },
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{ .name = "VAUX33", .driver_data = (void *) &tps65910_regs[11] },
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{ .name = "VMMC", .driver_data = (void *) &tps65910_regs[12] },
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};
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static struct of_regulator_match tps65911_matches[] = {
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{ .name = "VRTC", .driver_data = (void *) &tps65911_regs[0] },
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{ .name = "VIO", .driver_data = (void *) &tps65911_regs[1] },
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{ .name = "VDD1", .driver_data = (void *) &tps65911_regs[2] },
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{ .name = "VDD2", .driver_data = (void *) &tps65911_regs[3] },
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{ .name = "VDDCTRL", .driver_data = (void *) &tps65911_regs[4] },
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{ .name = "LDO1", .driver_data = (void *) &tps65911_regs[5] },
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{ .name = "LDO2", .driver_data = (void *) &tps65911_regs[6] },
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{ .name = "LDO3", .driver_data = (void *) &tps65911_regs[7] },
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{ .name = "LDO4", .driver_data = (void *) &tps65911_regs[8] },
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{ .name = "LDO5", .driver_data = (void *) &tps65911_regs[9] },
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{ .name = "LDO6", .driver_data = (void *) &tps65911_regs[10] },
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{ .name = "LDO7", .driver_data = (void *) &tps65911_regs[11] },
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{ .name = "LDO8", .driver_data = (void *) &tps65911_regs[12] },
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};
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static struct tps65910_board *tps65910_parse_dt_reg_data(
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struct platform_device *pdev)
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{
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struct tps65910_board *pmic_plat_data;
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struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
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struct device_node *np = pdev->dev.parent->of_node;
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struct device_node *regulators;
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struct of_regulator_match *matches;
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unsigned int prop;
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int idx = 0, ret, count;
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pmic_plat_data = devm_kzalloc(&pdev->dev, sizeof(*pmic_plat_data),
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GFP_KERNEL);
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if (!pmic_plat_data) {
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dev_err(&pdev->dev, "Failure to alloc pdata for regulators.\n");
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return NULL;
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}
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regulators = of_find_node_by_name(np, "regulators");
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switch (tps65910_chip_id(tps65910)) {
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case TPS65910:
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count = ARRAY_SIZE(tps65910_matches);
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matches = tps65910_matches;
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break;
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case TPS65911:
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count = ARRAY_SIZE(tps65911_matches);
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matches = tps65911_matches;
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break;
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default:
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pr_err("Invalid tps chip version\n");
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return NULL;
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}
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ret = of_regulator_match(pdev->dev.parent, regulators, matches, count);
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if (ret < 0) {
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dev_err(&pdev->dev, "Error parsing regulator init data: %d\n",
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ret);
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return NULL;
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}
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for (idx = 0; idx < count; idx++) {
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if (!matches[idx].init_data || !matches[idx].of_node)
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continue;
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pmic_plat_data->tps65910_pmic_init_data[idx] =
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matches[idx].init_data;
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ret = of_property_read_u32(matches[idx].of_node,
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"ti,regulator-ext-sleep-control", &prop);
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if (!ret)
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pmic_plat_data->regulator_ext_sleep_control[idx] = prop;
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}
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return pmic_plat_data;
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}
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#else
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static inline struct tps65910_board *tps65910_parse_dt_reg_data(
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struct platform_device *pdev)
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{
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return 0;
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}
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#endif
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static __devinit int tps65910_probe(struct platform_device *pdev)
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{
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struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
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@ -1047,6 +1147,9 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
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int i, err;
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pmic_plat_data = dev_get_platdata(tps65910->dev);
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if (!pmic_plat_data && tps65910->dev->of_node)
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pmic_plat_data = tps65910_parse_dt_reg_data(pdev);
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if (!pmic_plat_data)
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return -EINVAL;
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@ -1154,6 +1257,11 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
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config.driver_data = pmic;
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config.regmap = tps65910->regmap;
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#ifdef CONFIG_OF
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config.of_node = of_find_node_by_name(tps65910->dev->of_node,
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info->name);
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#endif
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rdev = regulator_register(&pmic->desc[i], &config);
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if (IS_ERR(rdev)) {
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dev_err(tps65910->dev,
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