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power: Add AMS AS3722 PMIC support

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The AS3722 provides a number of DC/DC converters and LDOs as well as 8
GPIOs.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Thierry Reding
2014-12-09 22:25:05 -07:00
committed by Tom Warren
parent 839e4f7c66
commit 6173c45b21
5 changed files with 294 additions and 0 deletions
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include/power/as3722.h
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/*
* Copyright (C) 2014 NVIDIA Corporation
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __POWER_AS3722_H__
#define __POWER_AS3722_H__
#include <asm/types.h>
#define AS3722_GPIO_OUTPUT_VDDH (1 << 0)
#define AS3722_GPIO_INVERT (1 << 1)
struct udevice;
int as3722_init(struct udevice **devp);
int as3722_sd_enable(struct udevice *pmic, unsigned int sd);
int as3722_sd_set_voltage(struct udevice *pmic, unsigned int sd, u8 value);
int as3722_ldo_enable(struct udevice *pmic, unsigned int ldo);
int as3722_ldo_set_voltage(struct udevice *pmic, unsigned int ldo, u8 value);
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);
#endif /* __POWER_AS3722_H__ */