diff options
| author | Jin Park <jinyoungp@nvidia.com> | 2011-09-26 14:39:22 +0900 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2011-09-27 15:16:12 -0700 |
| commit | 6c06d12f10bc221cde89f5a1738b9f003796dd45 (patch) | |
| tree | 67ca19b9d01dd37c4854aa981dd2bbab610cbff9 | |
| parent | 488785f279a5642fffde3d48d62c77f46a20b63a (diff) | |
mfd: max77663: Add power off function
Bug 849360
Change-Id: I74b99b76570bf0731d39f63d87eb3f4f9d152270
Signed-off-by: Jin Park <jinyoungp@nvidia.com>
Reviewed-on: http://git-master/r/54428
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
| -rw-r--r-- | drivers/mfd/max77663-core.c | 13 | ||||
| -rw-r--r-- | include/linux/mfd/max77663-core.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mfd/max77663-core.c b/drivers/mfd/max77663-core.c index 7ab53f5b5390..8cc7a5b83893 100644 --- a/drivers/mfd/max77663-core.c +++ b/drivers/mfd/max77663-core.c @@ -56,6 +56,7 @@ #define MAX77663_REG_GPIO_PU 0x3E #define MAX77663_REG_GPIO_PD 0x3F #define MAX77663_REG_GPIO_ALT 0x40 +#define MAX77663_REG_ONOFF_CFG1 0x41 #define IRQ_TOP_GLBL_MASK (1 << 7) #define IRQ_TOP_GLBL_SHIFT 7 @@ -110,6 +111,8 @@ #define GPIO_DBNC_16MS 2 #define GPIO_DBNC_32MS 3 +#define ONOFF_SFT_RST_MASK (1 << 7) + enum { CACHE_IRQ_LBT, CACHE_IRQ_SD, @@ -349,6 +352,16 @@ int max77663_set_bits(struct device *dev, u8 addr, u8 mask, u8 value, } EXPORT_SYMBOL(max77663_set_bits); +int max77663_power_off(void) +{ + struct max77663_chip *chip = max77663_chip; + + dev_info(chip->dev, "%s: Global shutdown\n", __func__); + return max77663_set_bits(chip->dev, MAX77663_REG_ONOFF_CFG1, + ONOFF_SFT_RST_MASK, ONOFF_SFT_RST_MASK, 0); +} +EXPORT_SYMBOL(max77663_power_off); + static inline int max77663_cache_write(struct device *dev, u8 addr, u8 mask, u8 val, u8 *cache) { diff --git a/include/linux/mfd/max77663-core.h b/include/linux/mfd/max77663-core.h index 621df417b7fb..59f8dbecd502 100644 --- a/include/linux/mfd/max77663-core.h +++ b/include/linux/mfd/max77663-core.h @@ -94,6 +94,7 @@ int max77663_write(struct device *dev, u8 addr, void *values, u32 len, bool is_rtc); int max77663_set_bits(struct device *dev, u8 addr, u8 mask, u8 value, bool is_rtc); +int max77663_power_off(void); int max77663_gpio_set_alternate(int gpio, int alternate); #endif /* __LINUX_MFD_MAX77663_CORE_H__ */ |