diff options
| author | Jason Wu <jason.wu@petalogix.com> | 2012-11-23 15:05:08 +1000 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2013-02-04 12:09:49 +0100 |
| commit | 85e9c65f8a9615ac11257939e5dbd601ee811be4 (patch) | |
| tree | da0a56263a9daa5033feb7cf978cf5d8c03ca095 /drivers/spi/xilinx_spi.h | |
| parent | 9fc6a06ad36994db21ca77013a8ba1c2a88e359c (diff) | |
spi: xilinx_spi: Perform software reset during slave setup
to make sure it is in the clear state.
Signed-off-by: Jason Wu <huanyu@xilinx.com>
Diffstat (limited to 'drivers/spi/xilinx_spi.h')
| -rw-r--r-- | drivers/spi/xilinx_spi.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/spi/xilinx_spi.h b/drivers/spi/xilinx_spi.h index 32610d2a12..69d0b94058 100644 --- a/drivers/spi/xilinx_spi.h +++ b/drivers/spi/xilinx_spi.h @@ -119,6 +119,9 @@ struct xilinx_spi_reg { #define SPIRFOR_OCYVAL_POS 0 #define SPIRFOR_OCYVAL_MASK (0xf << SPIRFOR_OCYVAL_POS) +/* SPI Software Reset Register (ssr) */ +#define SPISSR_RESET_VALUE 0x0a + struct xilinx_spi_slave { struct spi_slave slave; struct xilinx_spi_reg *regs; |