From d55b7d4c53c78d4a4fbe28b65e8d50f184b53ce9 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 14 Apr 2015 21:03:26 -0600 Subject: [PATCH] power: Export register access functions from as3722 With the full PMIC framework we may be able to avoid this. But for now we need access to the PMIC. Signed-off-by: Simon Glass Signed-off-by: Tom Warren --- drivers/power/as3722.c | 16 +++++++++++++--- include/power/as3722.h | 3 +++ 2 files changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/power/as3722.c b/drivers/power/as3722.c index a60bb5f83f..c09e1de06f 100644 --- a/drivers/power/as3722.c +++ b/drivers/power/as3722.c @@ -27,7 +27,7 @@ #define AS3722_DEVICE_ID 0x0c #define AS3722_ASIC_ID2 0x91 -static int as3722_read(struct udevice *pmic, u8 reg, u8 *value) +int as3722_read(struct udevice *pmic, u8 reg, u8 *value) { int err; @@ -38,7 +38,7 @@ static int as3722_read(struct udevice *pmic, u8 reg, u8 *value) return 0; } -static int as3722_write(struct udevice *pmic, u8 reg, u8 value) +int as3722_write(struct udevice *pmic, u8 reg, u8 value) { int err; @@ -234,6 +234,15 @@ int as3722_gpio_direction_output(struct udevice *pmic, unsigned int gpio, return 0; } +/* Temporary function until we get the pmic framework */ +int as3722_get(struct udevice **devp) +{ + int bus = 0; + int address = 0x40; + + return i2c_get_chip_for_busnum(bus, address, 1, devp); +} + int as3722_init(struct udevice **devp) { struct udevice *pmic; @@ -258,7 +267,8 @@ int as3722_init(struct udevice **devp) debug("AS3722 revision %#x found on I2C bus %u, address %#x\n", revision, bus, address); - *devp = pmic; + if (devp) + *devp = pmic; return 0; } diff --git a/include/power/as3722.h b/include/power/as3722.h index aa966d2cca..0f22482ff7 100644 --- a/include/power/as3722.h +++ b/include/power/as3722.h @@ -23,5 +23,8 @@ int as3722_gpio_configure(struct udevice *pmic, unsigned int gpio, unsigned long flags); int as3722_gpio_direction_output(struct udevice *pmic, unsigned int gpio, unsigned int level); +int as3722_read(struct udevice *pmic, u8 reg, u8 *value); +int as3722_write(struct udevice *pmic, u8 reg, u8 value); +int as3722_get(struct udevice **devp); #endif /* __POWER_AS3722_H__ */ -- 2.25.1