From 2d3aa0569cc111b7567cb082c2f8ab32e2245e49 Mon Sep 17 00:00:00 2001 From: Chao Xie Date: Fri, 14 Jun 2013 01:21:53 -0400 Subject: [PATCH] mfd: 88pm800: Add regulator sub device Signed-off-by: Chao Xie Signed-off-by: Samuel Ortiz --- drivers/mfd/88pm800.c | 28 ++++++++++++++++++++++++++++ include/linux/mfd/88pm80x.h | 8 ++++++++ 2 files changed, 36 insertions(+) diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c index a475fb3c2d0c..6c954835d61e 100644 --- a/drivers/mfd/88pm800.c +++ b/drivers/mfd/88pm800.c @@ -157,6 +157,13 @@ static struct mfd_cell onkey_devs[] = { }, }; +static struct mfd_cell regulator_devs[] = { + { + .name = "88pm80x-regulator", + .id = -1, + }, +}; + static const struct regmap_irq pm800_irqs[] = { /* INT0 */ [PM800_IRQ_ONKEY] = { @@ -339,6 +346,21 @@ static int device_rtc_init(struct pm80x_chip *chip, return 0; } +static int device_regulator_init(struct pm80x_chip *chip, + struct pm80x_platform_data *pdata) +{ + int ret; + + ret = mfd_add_devices(chip->dev, 0, ®ulator_devs[0], + ARRAY_SIZE(regulator_devs), NULL, 0, NULL); + if (ret) { + dev_err(chip->dev, "Failed to add regulator subdev\n"); + return ret; + } + + return 0; +} + static int device_irq_init_800(struct pm80x_chip *chip) { struct regmap *map = chip->regmap; @@ -500,6 +522,12 @@ static int device_800_init(struct pm80x_chip *chip, goto out; } + ret = device_regulator_init(chip, pdata); + if (ret) { + dev_err(chip->dev, "Failed to add regulators subdev\n"); + goto out; + } + return 0; out_dev: mfd_remove_devices(chip->dev); diff --git a/include/linux/mfd/88pm80x.h b/include/linux/mfd/88pm80x.h index 4a66a5633031..97cb283cc8e1 100644 --- a/include/linux/mfd/88pm80x.h +++ b/include/linux/mfd/88pm80x.h @@ -307,6 +307,14 @@ struct pm80x_chip { struct pm80x_platform_data { struct pm80x_rtc_pdata *rtc; + /* + * For the regulator not defined, set regulators[not_defined] to be + * NULL. num_regulators are the number of regulators supposed to be + * initialized. If all regulators are not defined, set num_regulators + * to be 0. + */ + struct regulator_init_data *regulators[PM800_ID_RG_MAX]; + unsigned int num_regulators; int irq_mode; /* Clear interrupt by read/write(0/1) */ int batt_det; /* enable/disable */ int (*plat_config)(struct pm80x_chip *chip, -- 2.11.0