diff options
| author | Jin Park <jinyoungp@nvidia.com> | 2011-09-26 14:39:22 +0900 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:49:13 -0800 |
| commit | 587d120c8b7ef1baf322f6d2a4c80c940bee3f53 (patch) | |
| tree | 90e376dc5ba6f908b4c45c9a3809596f39fbfa52 /drivers/mfd | |
| parent | 1317f548b13fdff6fdb5b44cb112aadd26ff43d0 (diff) | |
mfd: max77663: Add power off function
Bug 849360
Signed-off-by: Jin Park <jinyoungp@nvidia.com>
Reviewed-on: http://git-master/r/54428
(cherry picked from commit 6c06d12f10bc221cde89f5a1738b9f003796dd45)
Reviewed-on: http://git-master/r/55148
(cherry picked from commit 45466efa9c551cd2e5ee05d217a30a1c4342a7cd)
Change-Id: Iad256cf4d6e21e963987df04bd30a1f563ae1d12
Reviewed-on: http://git-master/r/56355
Tested-by: Jinyoung Park <jinyoungp@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Rebase-Id: R2b513f87f2e21240821a0a2d05e9e1a861fcc7fb
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/max77663-core.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mfd/max77663-core.c b/drivers/mfd/max77663-core.c index b4f36a1c1792..63efa396e08c 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) { |