diff options
Diffstat (limited to 'include/spi.h')
| -rw-r--r-- | include/spi.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/spi.h b/include/spi.h index aba792244..ffd66478b 100644 --- a/include/spi.h +++ b/include/spi.h @@ -30,6 +30,24 @@ #define SPI_XFER_MMAP 0x08 /* Memory Mapped start */ #define SPI_XFER_MMAP_END 0x10 /* Memory Mapped End */ #define SPI_XFER_ONCE (SPI_XFER_BEGIN | SPI_XFER_END) +#define SPI_XFER_U_PAGE (1 << 5) + +/* SPI TX operation modes */ +#define SPI_OPM_TX_QPP 1 << 0 + +/* SPI RX operation modes */ +#define SPI_OPM_RX_AS 1 << 0 +#define SPI_OPM_RX_DOUT 1 << 1 +#define SPI_OPM_RX_DIO 1 << 2 +#define SPI_OPM_RX_QOF 1 << 3 +#define SPI_OPM_RX_QIOF 1 << 4 +#define SPI_OPM_RX_EXTN SPI_OPM_RX_AS | SPI_OPM_RX_DOUT | \ + SPI_OPM_RX_DIO | SPI_OPM_RX_QOF | \ + SPI_OPM_RX_QIOF + +/* SPI bus connection options */ +#define SPI_CONN_DUAL_SHARED 1 << 0 +#define SPI_CONN_DUAL_SEPARATED 1 << 1 /* Header byte that marks the start of the message */ #define SPI_PREAMBLE_END_BYTE 0xec @@ -43,17 +61,25 @@ * * @bus: ID of the bus that the slave is attached to. * @cs: ID of the chip select connected to the slave. + * @op_mode_rx: SPI RX operation mode. + * @op_mode_tx: SPI TX operation mode. * @wordlen: Size of SPI word in number of bits * @max_write_size: If non-zero, the maximum number of bytes which can * be written at once, excluding command bytes. * @memory_map: Address of read-only SPI flash access. + * @option: Varies SPI bus options - separate, shared bus. + * @flags: Indication of SPI flags. */ struct spi_slave { unsigned int bus; unsigned int cs; + u8 op_mode_rx; + u8 op_mode_tx; unsigned int wordlen; unsigned int max_write_size; void *memory_map; + u8 option; + u8 flags; }; /** |