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mfd: Make use of the ab8500 firmware read-modify-write service

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This patch updates the AB8500 driver to make use of the I2C
read-modify-write service in the PRCMU firmware.

Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Reviewed-by: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mattias Nilsson
2012-03-08 14:02:20 +01:00
committed by Samuel Ortiz
parent 3c3e489831
commit bc628fd19d
3 changed files with 41 additions and 17 deletions
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include/linux/mfd/abx500/ab8500.h
+4 -2
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@@ -217,6 +217,7 @@ enum ab8500_version {
* @version: chip version id (e.g. ab8500 or ab9540)
* @chip_id: chip revision id
* @write: register write
* @write_masked: masked register write
* @read: register read
* @rx_buf: rx buf for SPI
* @tx_buf: tx buf for SPI
@@ -236,8 +237,9 @@ struct ab8500 {
enum ab8500_version version;
u8 chip_id;
int (*write) (struct ab8500 *a8500, u16 addr, u8 data);
int (*read) (struct ab8500 *a8500, u16 addr);
int (*write)(struct ab8500 *ab8500, u16 addr, u8 data);
int (*write_masked)(struct ab8500 *ab8500, u16 addr, u8 mask, u8 data);
int (*read)(struct ab8500 *ab8500, u16 addr);
unsigned long tx_buf[4];
unsigned long rx_buf[4];