diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/tps65910-regulator.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c index 5ee7e4bd8b58..60c95646f201 100644 --- a/drivers/regulator/tps65910-regulator.c +++ b/drivers/regulator/tps65910-regulator.c @@ -23,6 +23,7 @@ #include <linux/slab.h> #include <linux/gpio.h> #include <linux/mfd/tps65910.h> +#include <linux/regulator/of_regulator.h> #define TPS65910_SUPPLY_STATE_ENABLED 0x1 #define EXT_SLEEP_CONTROL (TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1 | \ @@ -1035,6 +1036,105 @@ static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic, return ret; } +#ifdef CONFIG_OF + +static struct of_regulator_match tps65910_matches[] = { + { .name = "VRTC", .driver_data = (void *) &tps65910_regs[0] }, + { .name = "VIO", .driver_data = (void *) &tps65910_regs[1] }, + { .name = "VDD1", .driver_data = (void *) &tps65910_regs[2] }, + { .name = "VDD2", .driver_data = (void *) &tps65910_regs[3] }, + { .name = "VDD3", .driver_data = (void *) &tps65910_regs[4] }, + { .name = "VDIG1", .driver_data = (void *) &tps65910_regs[5] }, + { .name = "VDIG2", .driver_data = (void *) &tps65910_regs[6] }, + { .name = "VPLL", .driver_data = (void *) &tps65910_regs[7] }, + { .name = "VDAC", .driver_data = (void *) &tps65910_regs[8] }, + { .name = "VAUX1", .driver_data = (void *) &tps65910_regs[9] }, + { .name = "VAUX2", .driver_data = (void *) &tps65910_regs[10] }, + { .name = "VAUX33", .driver_data = (void *) &tps65910_regs[11] }, + { .name = "VMMC", .driver_data = (void *) &tps65910_regs[12] }, +}; + +static struct of_regulator_match tps65911_matches[] = { + { .name = "VRTC", .driver_data = (void *) &tps65911_regs[0] }, + { .name = "VIO", .driver_data = (void *) &tps65911_regs[1] }, + { .name = "VDD1", .driver_data = (void *) &tps65911_regs[2] }, + { .name = "VDD2", .driver_data = (void *) &tps65911_regs[3] }, + { .name = "VDDCTRL", .driver_data = (void *) &tps65911_regs[4] }, + { .name = "LDO1", .driver_data = (void *) &tps65911_regs[5] }, + { .name = "LDO2", .driver_data = (void *) &tps65911_regs[6] }, + { .name = "LDO3", .driver_data = (void *) &tps65911_regs[7] }, + { .name = "LDO4", .driver_data = (void *) &tps65911_regs[8] }, + { .name = "LDO5", .driver_data = (void *) &tps65911_regs[9] }, + { .name = "LDO6", .driver_data = (void *) &tps65911_regs[10] }, + { .name = "LDO7", .driver_data = (void *) &tps65911_regs[11] }, + { .name = "LDO8", .driver_data = (void *) &tps65911_regs[12] }, +}; + +static struct tps65910_board *tps65910_parse_dt_reg_data( + struct platform_device *pdev) +{ + struct tps65910_board *pmic_plat_data; + struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent); + struct device_node *np = pdev->dev.parent->of_node; + struct device_node *regulators; + struct of_regulator_match *matches; + unsigned int prop; + int idx = 0, ret, count; + + pmic_plat_data = devm_kzalloc(&pdev->dev, sizeof(*pmic_plat_data), + GFP_KERNEL); + + if (!pmic_plat_data) { + dev_err(&pdev->dev, "Failure to alloc pdata for regulators.\n"); + return NULL; + } + + regulators = of_find_node_by_name(np, "regulators"); + + switch (tps65910_chip_id(tps65910)) { + case TPS65910: + count = ARRAY_SIZE(tps65910_matches); + matches = tps65910_matches; + break; + case TPS65911: + count = ARRAY_SIZE(tps65911_matches); + matches = tps65911_matches; + break; + default: + pr_err("Invalid tps chip version\n"); + return NULL; + } + + ret = of_regulator_match(pdev->dev.parent, regulators, matches, count); + if (ret < 0) { + dev_err(&pdev->dev, "Error parsing regulator init data: %d\n", + ret); + return NULL; + } + + for (idx = 0; idx < count; idx++) { + if (!matches[idx].init_data || !matches[idx].of_node) + continue; + + pmic_plat_data->tps65910_pmic_init_data[idx] = + matches[idx].init_data; + + ret = of_property_read_u32(matches[idx].of_node, + "ti,regulator-ext-sleep-control", &prop); + if (!ret) + pmic_plat_data->regulator_ext_sleep_control[idx] = prop; + } + + return pmic_plat_data; +} +#else +static inline struct tps65910_board *tps65910_parse_dt_reg_data( + struct platform_device *pdev) +{ + return 0; +} +#endif + static __devinit int tps65910_probe(struct platform_device *pdev) { struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent); @@ -1047,6 +1147,9 @@ static __devinit int tps65910_probe(struct platform_device *pdev) int i, err; pmic_plat_data = dev_get_platdata(tps65910->dev); + if (!pmic_plat_data && tps65910->dev->of_node) + pmic_plat_data = tps65910_parse_dt_reg_data(pdev); + if (!pmic_plat_data) return -EINVAL; @@ -1154,6 +1257,11 @@ static __devinit int tps65910_probe(struct platform_device *pdev) config.driver_data = pmic; config.regmap = tps65910->regmap; +#ifdef CONFIG_OF + config.of_node = of_find_node_by_name(tps65910->dev->of_node, + info->name); +#endif + rdev = regulator_register(&pmic->desc[i], &config); if (IS_ERR(rdev)) { dev_err(tps65910->dev, |