[POWERPC] fsl_soc: add support for fsl_spi

Add helper function to setup SPI bus/device information

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/powerpc/sysdev/fsl_soc.h b/arch/powerpc/sysdev/fsl_soc.h
index 04e145b5fc32..618d91d1e103 100644
--- a/arch/powerpc/sysdev/fsl_soc.h
+++ b/arch/powerpc/sysdev/fsl_soc.h
@@ -8,5 +8,12 @@ extern phys_addr_t get_immrbase(void);
 extern u32 get_brgfreq(void);
 extern u32 get_baudrate(void);
 
+struct spi_board_info;
+
+extern int fsl_spi_init(struct spi_board_info *board_infos,
+                        unsigned int num_board_infos,
+                        void (*activate_cs)(u8 cs, u8 polarity),
+                        void (*deactivate_cs)(u8 cs, u8 polarity));
+
 #endif
 #endif