This patch add the possibility to set the number of bits per word transfered by DMA
Signed-off-by: Aurelien BOUIN <[email protected]> diff --git a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt index aad527b..76f82de 100644 --- a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt +++ b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt @@ -6,6 +6,7 @@ Required properties: - reg : Offset and length of the register set for the device - interrupts : Should contain CSPI/eCSPI interrupt - fsl,spi-num-chipselects : Contains the number of the chipselect +- fsl,spi-dma-bits-per-word : Contains the number of bits per word transfered by DMA - cs-gpios : Specifies the gpio pins to be used for chipselects. - dmas: DMA specifiers for tx and rx dma. See the DMA client binding, Documentation/devicetree/bindings/dma/dma.txt @@ -20,6 +21,7 @@ ecspi@70010000 { reg = <0x70010000 0x4000>; interrupts = <36>; fsl,spi-num-chipselects = <2>; + fsl,spi-dma-bits-per-word = <8>; /* 8 bits per word is the default value, can be 16 or 32 */ cs-gpios = <&gpio3 24 0>, /* GPIO3_24 */ <&gpio3 25 0>; /* GPIO3_25 */ dmas = <&sdma 3 7 1>, <&sdma 4 7 2>; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
