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Diffstat (limited to 'Documentation/devicetree/bindings/spi/mxs-spi.txt')
-rw-r--r-- | Documentation/devicetree/bindings/spi/mxs-spi.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.txt b/Documentation/devicetree/bindings/spi/mxs-spi.txt new file mode 100644 index 00000000000..e2e13957c2a --- /dev/null +++ b/Documentation/devicetree/bindings/spi/mxs-spi.txt @@ -0,0 +1,22 @@ +* Freescale MX233/MX28 SSP/SPI + +Required properties: +- compatible: Should be "fsl,<soc>-spi", where soc is "imx23" or "imx28" +- reg: Offset and length of the register set for the device +- interrupts: Should contain SSP interrupts (error irq first, dma irq second) +- fsl,ssp-dma-channel: APBX DMA channel for the SSP + +Optional properties: +- clock-frequency : Input clock frequency to the SPI block in Hz. + Default is 160000000 Hz. + +Example: + +ssp0: ssp@80010000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx28-spi"; + reg = <0x80010000 0x2000>; + interrupts = <96 82>; + fsl,ssp-dma-channel = <0>; +}; |