diff options
| author | Jagan Teki <jteki@openedev.com> | 2015-12-29 12:12:30 +0530 |
|---|---|---|
| committer | Jagan Teki <jteki@openedev.com> | 2016-01-13 18:47:27 +0530 |
| commit | 465c00d78e57209fb11ba5e6bc6abfc501ed07de (patch) | |
| tree | 32f253f3009885178b1a6026fc5afe1925c7023e /include | |
| parent | 29ee0262e11d73c3602d9f0a5a8f1030e76008c1 (diff) | |
spi: Minor cleanup
- Add comments on mode_rx
- Tab space's
Cc: Simon Glass <sjg@chromium.org>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Tested-by: Mugunthan V N <mugunthanvnm@ti.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/spi.h | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/include/spi.h b/include/spi.h index dbd0df89a7..80f8523076 100644 --- a/include/spi.h +++ b/include/spi.h @@ -11,26 +11,26 @@ #define _SPI_H_ /* SPI mode flags */ -#define SPI_CPHA BIT(0) /* clock phase */ -#define SPI_CPOL BIT(1) /* clock polarity */ -#define SPI_MODE_0 (0|0) /* (original MicroWire) */ -#define SPI_MODE_1 (0|SPI_CPHA) -#define SPI_MODE_2 (SPI_CPOL|0) -#define SPI_MODE_3 (SPI_CPOL|SPI_CPHA) -#define SPI_CS_HIGH BIT(2) /* CS active high */ -#define SPI_LSB_FIRST BIT(3) /* per-word bits-on-wire */ -#define SPI_3WIRE BIT(4) /* SI/SO signals shared */ -#define SPI_LOOP BIT(5) /* loopback mode */ -#define SPI_SLAVE BIT(6) /* slave mode */ -#define SPI_PREAMBLE BIT(7) /* Skip preamble bytes */ +#define SPI_CPHA BIT(0) /* clock phase */ +#define SPI_CPOL BIT(1) /* clock polarity */ +#define SPI_MODE_0 (0|0) /* (original MicroWire) */ +#define SPI_MODE_1 (0|SPI_CPHA) +#define SPI_MODE_2 (SPI_CPOL|0) +#define SPI_MODE_3 (SPI_CPOL|SPI_CPHA) +#define SPI_CS_HIGH BIT(2) /* CS active high */ +#define SPI_LSB_FIRST BIT(3) /* per-word bits-on-wire */ +#define SPI_3WIRE BIT(4) /* SI/SO signals shared */ +#define SPI_LOOP BIT(5) /* loopback mode */ +#define SPI_SLAVE BIT(6) /* slave mode */ +#define SPI_PREAMBLE BIT(7) /* Skip preamble bytes */ #define SPI_TX_BYTE BIT(8) /* transmit with 1 wire byte */ #define SPI_TX_QUAD BIT(9) /* transmit with 4 wires */ /* SPI mode_rx flags */ -#define SPI_RX_SLOW BIT(0) -#define SPI_RX_FAST BIT(1) -#define SPI_RX_DUAL BIT(2) -#define SPI_RX_QUAD BIT(4) +#define SPI_RX_SLOW BIT(0) /* receive with 1 wire slow */ +#define SPI_RX_FAST BIT(1) /* receive with 1 wire fast */ +#define SPI_RX_DUAL BIT(2) /* receive with 2 wires */ +#define SPI_RX_QUAD BIT(4) /* receive with 4 wires */ /* SPI bus connection options - see enum spi_dual_flash */ #define SPI_CONN_DUAL_SHARED (1 << 0) |