mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-01 00:49:43 +00:00
185f812c41
Sphinx expects Return: and not @return to indicate a return value.
find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
#ifndef _SPMI_SPMI_H
|
|
#define _SPMI_SPMI_H
|
|
|
|
/**
|
|
* struct dm_spmi_ops - SPMI device I/O interface
|
|
*
|
|
* Should be implemented by UCLASS_SPMI device drivers. The standard
|
|
* device operations provides the I/O interface for it's childs.
|
|
*
|
|
* @read: read register 'reg' of slave 'usid' and peripheral 'pid'
|
|
* @write: write register 'reg' of slave 'usid' and peripheral 'pid'
|
|
*
|
|
* Each register is 8-bit, both read and write can return negative values
|
|
* on error.
|
|
*/
|
|
struct dm_spmi_ops {
|
|
int (*read)(struct udevice *dev, int usid, int pid, int reg);
|
|
int (*write)(struct udevice *dev, int usid, int pid, int reg,
|
|
uint8_t value);
|
|
};
|
|
|
|
/**
|
|
* spmi_reg_read() - read a register from specific slave/peripheral
|
|
*
|
|
* @dev: SPMI bus to read
|
|
* @usid SlaveID
|
|
* @pid Peripheral ID
|
|
* @reg: Register to read
|
|
* Return: value read on success or negative value of errno.
|
|
*/
|
|
int spmi_reg_read(struct udevice *dev, int usid, int pid, int reg);
|
|
|
|
/**
|
|
* spmi_reg_write() - write a register of specific slave/peripheral
|
|
*
|
|
* @dev: SPMI bus to write
|
|
* @usid SlaveID
|
|
* @pid Peripheral ID
|
|
* @reg: Register to write
|
|
* @value: Value to write
|
|
* Return: 0 on success or negative value of errno.
|
|
*/
|
|
int spmi_reg_write(struct udevice *dev, int usid, int pid, int reg,
|
|
uint8_t value);
|
|
|
|
#endif
|