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dm: pmic: add suspend/resume callback 

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Change-Id: Iaa3b0b7f7b3a0563370baace876e095deb64c28f
This commit is contained in:
Joseph Chen 2021-01-14 20:38:15 +08:00 committed by Jianhong Chen
parent e632c0509c
commit 2a7051be6c
2 changed files with 37 additions and 0 deletions
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19
drivers/power/pmic/pmic-uclass.c
View File

@ -189,6 +189,25 @@ int pmic_clrsetbits(struct udevice *dev, uint reg, uint clr, uint set)
return pmic_reg_write(dev, reg, byte);
}
int pmic_suspend(struct udevice *dev)
{
const struct dm_pmic_ops *ops = dev_get_driver_ops(dev);
if (!ops || !ops->suspend)
return -ENOSYS;
return ops->suspend(dev);
}
int pmic_resume(struct udevice *dev)
{
const struct dm_pmic_ops *ops = dev_get_driver_ops(dev);
if (!ops || !ops->resume)
return -ENOSYS;
return ops->resume(dev);
}
int pmic_shutdown(struct udevice *dev)
{

18
include/power/pmic.h
View File

@ -165,6 +165,8 @@ struct dm_pmic_ops {
int (*read)(struct udevice *dev, uint reg, uint8_t *buffer, int len);
int (*write)(struct udevice *dev, uint reg, const uint8_t *buffer,
int len);
int (*suspend)(struct udevice *dev);
int (*resume)(struct udevice *dev);
int (*shutdown)(struct udevice *dev);
};
@ -300,6 +302,22 @@ int pmic_reg_write(struct udevice *dev, uint reg, uint value);
*/
int pmic_clrsetbits(struct udevice *dev, uint reg, uint clr, uint set);
/**
* pmic_suspend() - suspend of PMIC
*
* @dev: PMIC device
* @return 0 on success or negative value of errno.
*/
int pmic_suspend(struct udevice *dev);
/**
* pmic_resume() - resume of PMIC
*
* @dev: PMIC device
* @return 0 on success or negative value of errno.
*/
int pmic_resume(struct udevice *dev);
/**
* pmic_shutdown() - power off supplies of PMIC
*