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authorEric Miao <eric.miao@marvell.com>2009-04-06 19:00:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-07 08:31:07 -0700
commita7bb3909b3293d503211d7f6af8ed62c1644b686 (patch)
tree7e3cc012c12ff689194333b2ac9988be16df9c55 /arch/arm/mach-pxa/include/mach
parentc8fc657e6a114fadf78fdf8103e289a169c91c5d (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/mach-pxa/include/mach')
-rw-r--r--arch/arm/mach-pxa/include/mach/pxa2xx_spi.h1
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);
};