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mfd: Add a prcmu_abb_write_masked routine to db8500-prcmu

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This patch adds driver support for the I2C read-modify-write
service in the U8500 PRCMU firmware.

Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@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 14:02:05 +01:00
committed by Samuel Ortiz
parent a982362c17
commit 3c3e489831
2 changed files with 32 additions and 3 deletions
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7
include/linux/mfd/dbx500-prcmu.h
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@@ -368,6 +368,7 @@ static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
int prcmu_abb_write_masked(u8 slave, u8 reg, u8 *value, u8 *mask, u8 size);
int prcmu_config_clkout(u8 clkout, u8 source, u8 div);
@@ -620,6 +621,12 @@ static inline int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
return -ENOSYS;
}
static inline int prcmu_abb_write_masked(u8 slave, u8 reg, u8 *value, u8 *mask,
u8 size)
{
return -ENOSYS;
}
static inline int prcmu_config_clkout(u8 clkout, u8 source, u8 div)
{
return 0;