diff options
| -rw-r--r-- | drivers/regulator/pca9450-regulator.c | 8 | ||||
| -rw-r--r-- | include/linux/regulator/pca9450.h | 7 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c index 1bba8fdcb7b7..833d398c6aa2 100644 --- a/drivers/regulator/pca9450-regulator.c +++ b/drivers/regulator/pca9450-regulator.c @@ -797,6 +797,14 @@ static int pca9450_i2c_probe(struct i2c_client *i2c, return ret; } + /* Set reset behavior on assertion of WDOG_B signal */ + ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_RESET_CTRL, + WDOG_B_CFG_MASK, WDOG_B_CFG_COLD_LDO12); + if (ret) { + dev_err(&i2c->dev, "Failed to set WDOG_B reset behavior\n"); + return ret; + } + /* * The driver uses the LDO5CTRL_H register to control the LDO5 regulator. * This is only valid if the SD_VSEL input of the PMIC is high. Let's diff --git a/include/linux/regulator/pca9450.h b/include/linux/regulator/pca9450.h index 1bbd3014f906..ccdb5320a240 100644 --- a/include/linux/regulator/pca9450.h +++ b/include/linux/regulator/pca9450.h @@ -216,4 +216,11 @@ enum { #define IRQ_THERM_105 0x02 #define IRQ_THERM_125 0x01 +/* PCA9450_REG_RESET_CTRL bits */ +#define WDOG_B_CFG_MASK 0xC0 +#define WDOG_B_CFG_NONE 0x00 +#define WDOG_B_CFG_WARM 0x40 +#define WDOG_B_CFG_COLD_LDO12 0x80 +#define WDOG_B_CFG_COLD 0xC0 + #endif /* __LINUX_REG_PCA9450_H__ */ |