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Diffstat (limited to 'Documentation/devicetree/bindings/i2c/i2c-cadence.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-cadence.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-cadence.txt b/Documentation/devicetree/bindings/i2c/i2c-cadence.txt new file mode 100644 index 000000000..ebaa90c58 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-cadence.txt @@ -0,0 +1,28 @@ +Binding for the Cadence I2C controller + +Required properties: + - reg: Physical base address and size of the controller's register area. + - compatible: Should contain one of: + * "cdns,i2c-r1p10" + Note: Use this when cadence i2c controller version 1.0 is used. + * "cdns,i2c-r1p14" + Note: Use this when cadence i2c controller version 1.4 is used. + - clocks: Input clock specifier. Refer to common clock bindings. + - interrupts: Interrupt specifier. Refer to interrupt bindings. + - #address-cells: Should be 1. + - #size-cells: Should be 0. + +Optional properties: + - clock-frequency: Desired operating frequency, in Hz, of the bus. + - clock-names: Input clock name, should be 'pclk'. + +Example: + i2c@e0004000 { + compatible = "cdns,i2c-r1p10"; + clocks = <&clkc 38>; + interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>; + reg = <0xe0004000 0x1000>; + clock-frequency = <400000>; + #address-cells = <1>; + #size-cells = <0>; + }; |