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power: Add a regulator driver for the as3722 PMIC

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This pmic includes regulators which should have their own driver. Add
a driver to support these.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Tested-on: Beaver, Jetson-TK1
Tested-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Simon Glass
2017-07-25 08:30:10 -06:00
parent 68f0081139
commit deea211aec
4 changed files with 167 additions and 0 deletions
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8
include/power/as3722.h
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@@ -12,6 +12,14 @@
#define AS3722_GPIO_OUTPUT_VDDH (1 << 0)
#define AS3722_GPIO_INVERT (1 << 1)
#define AS3722_DEVICE_ID 0x0c
#define AS3722_SD_VOLTAGE(n) (0x00 + (n))
#define AS3722_LDO_VOLTAGE(n) (0x10 + (n))
#define AS3722_SD_CONTROL 0x4d
#define AS3722_LDO_CONTROL 0x4e
#define AS3722_ASIC_ID1 0x90
#define AS3722_ASIC_ID2 0x91
struct udevice;
int as3722_init(struct udevice **devp);