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Diffstat (limited to 'kernel/Documentation/devicetree/bindings/i2c/i2c-mxs.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/i2c/i2c-mxs.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/i2c/i2c-mxs.txt b/kernel/Documentation/devicetree/bindings/i2c/i2c-mxs.txt new file mode 100644 index 000000000..4e1c8ac01 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/i2c/i2c-mxs.txt @@ -0,0 +1,25 @@ +* Freescale MXS Inter IC (I2C) Controller + +Required properties: +- compatible: Should be "fsl,<chip>-i2c" +- reg: Should contain registers location and length +- interrupts: Should contain ERROR interrupt number +- clock-frequency: Desired I2C bus clock frequency in Hz. + Only 100000Hz and 400000Hz modes are supported. +- dmas: DMA specifier, consisting of a phandle to DMA controller node + and I2C DMA channel ID. + Refer to dma.txt and fsl-mxs-dma.txt for details. +- dma-names: Must be "rx-tx". + +Examples: + +i2c0: i2c@80058000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx28-i2c"; + reg = <0x80058000 2000>; + interrupts = <111>; + clock-frequency = <100000>; + dmas = <&dma_apbx 6>; + dma-names = "rx-tx"; +}; |