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spi: Add SPI_TX_DUAL mode
Added SPI_TX_DUAL mode flag. Cc: Bin Meng <bmeng.cn@gmail.com> Cc: Mugunthan V N <mugunthanvnm@ti.com> Tested-by: Jagan Teki <jteki@openedev.com> Signed-off-by: Jagan Teki <jteki@openedev.com>
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@ -24,7 +24,8 @@
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#define SPI_SLAVE BIT(6) /* slave mode */
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#define SPI_SLAVE BIT(6) /* slave mode */
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#define SPI_PREAMBLE BIT(7) /* Skip preamble bytes */
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#define SPI_PREAMBLE BIT(7) /* Skip preamble bytes */
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#define SPI_TX_BYTE BIT(8) /* transmit with 1 wire byte */
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#define SPI_TX_BYTE BIT(8) /* transmit with 1 wire byte */
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#define SPI_TX_QUAD BIT(9) /* transmit with 4 wires */
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#define SPI_TX_DUAL BIT(9) /* transmit with 2 wires */
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#define SPI_TX_QUAD BIT(10) /* transmit with 4 wires */
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/* SPI mode_rx flags */
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/* SPI mode_rx flags */
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#define SPI_RX_SLOW BIT(0) /* receive with 1 wire slow */
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#define SPI_RX_SLOW BIT(0) /* receive with 1 wire slow */
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