diff options
| author | Eric Miao <eric.miao@marvell.com> | 2009-04-06 19:00:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-07 08:31:07 -0700 |
| commit | a7bb3909b3293d503211d7f6af8ed62c1644b686 (patch) | |
| tree | 7e3cc012c12ff689194333b2ac9988be16df9c55 /arch/arm | |
| parent | c8fc657e6a114fadf78fdf8103e289a169c91c5d (diff) | |
spi: pxa2xx_spi: introduce chipselect GPIO to simplify the common cases
Most SPI peripherals use GPIOs as their chip selects, introduce .gpio_cs
for this.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Cc: David Brownell <david-b@pacbell.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/pxa2xx_spi.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/include/mach/pxa2xx_spi.h b/arch/arm/mach-pxa/include/mach/pxa2xx_spi.h index 2206cb61a9f..b87cecd9bbd 100644 --- a/arch/arm/mach-pxa/include/mach/pxa2xx_spi.h +++ b/arch/arm/mach-pxa/include/mach/pxa2xx_spi.h @@ -38,6 +38,7 @@ struct pxa2xx_spi_chip { u8 dma_burst_size; u32 timeout; u8 enable_loopback; + int gpio_cs; void (*cs_control)(u32 command); }; |