diff options
author | Simon Glass <sjg@chromium.org> | 2015-04-14 21:03:26 -0600 |
---|---|---|
committer | Tom Warren <twarren@nvidia.com> | 2015-05-13 09:24:07 -0700 |
commit | d55b7d4c53c78d4a4fbe28b65e8d50f184b53ce9 (patch) | |
tree | 58fcbe45288e7a9e346783f613488c79177f4881 /drivers | |
parent | ec7466443432966db95ed2324732ee810bfa8229 (diff) | |
download | u-boot-d55b7d4c53c78d4a4fbe28b65e8d50f184b53ce9.zip u-boot-d55b7d4c53c78d4a4fbe28b65e8d50f184b53ce9.tar.gz u-boot-d55b7d4c53c78d4a4fbe28b65e8d50f184b53ce9.tar.bz2 |
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 <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/power/as3722.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/power/as3722.c b/drivers/power/as3722.c index a60bb5f..c09e1de 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; } |