mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 10:48:51 +00:00
1a5a05dade
Add the max8997 controller for Driver model. Exynos4210 is using max8997 pmic controller. (pmic_max8997.c should be deprecated.) Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org>
61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
/*
|
|
* Copyright (C) 2016 Samsung Electronics
|
|
* Jaehoon Chung <jh80.chung@samsung.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <errno.h>
|
|
#include <i2c.h>
|
|
#include <power/pmic.h>
|
|
#include <power/max8998_pmic.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static int max8998_reg_count(struct udevice *dev)
|
|
{
|
|
return PMIC_NUM_OF_REGS;
|
|
}
|
|
|
|
static int max8998_write(struct udevice *dev, uint reg, const uint8_t *buff,
|
|
int len)
|
|
{
|
|
int ret;
|
|
|
|
ret = dm_i2c_write(dev, reg, buff, len);
|
|
if (ret)
|
|
error("write error to device: %p register: %#x!", dev, reg);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int max8998_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
|
|
{
|
|
int ret;
|
|
|
|
ret = dm_i2c_read(dev, reg, buff, len);
|
|
if (ret)
|
|
error("read error from device: %p register: %#x!", dev, reg);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static struct dm_pmic_ops max8998_ops = {
|
|
.reg_count = max8998_reg_count,
|
|
.read = max8998_read,
|
|
.write = max8998_write,
|
|
};
|
|
|
|
static const struct udevice_id max8998_ids[] = {
|
|
{ .compatible = "maxim,max8998" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(pmic_max8998) = {
|
|
.name = "max8998_pmic",
|
|
.id = UCLASS_PMIC,
|
|
.of_match = max8998_ids,
|
|
.ops = &max8998_ops,
|
|
};
|