remarkable-linux/include/linux/mfd/retu.h
Aaro Koskinen 95e50f6a2f mfd: retu: Add Tahvo support
Tahvo is a multi-function device on Nokia 770, implementing USB
transceiver and charge/battery control.

It's so close to Retu that a single driver can support both.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-04-19 00:45:20 +02:00

29 lines
723 B
C

/*
* Retu/Tahvo MFD driver interface
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file "COPYING" in the main directory of this
* archive for more details.
*/
#ifndef __LINUX_MFD_RETU_H
#define __LINUX_MFD_RETU_H
struct retu_dev;
int retu_read(struct retu_dev *, u8);
int retu_write(struct retu_dev *, u8, u16);
/* Registers */
#define RETU_REG_WATCHDOG 0x17 /* Watchdog */
#define RETU_REG_CC1 0x0d /* Common control register 1 */
#define RETU_REG_STATUS 0x16 /* Status register */
/* Interrupt sources */
#define TAHVO_INT_VBUS 0 /* VBUS state */
/* Interrupt status */
#define TAHVO_STAT_VBUS (1 << TAHVO_INT_VBUS)
#endif /* __LINUX_MFD_RETU_H */