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Diffstat (limited to 'dts/Bindings/i2c/i2c-rcar.txt')
| -rw-r--r-- | dts/Bindings/i2c/i2c-rcar.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/dts/Bindings/i2c/i2c-rcar.txt b/dts/Bindings/i2c/i2c-rcar.txt new file mode 100644 index 0000000000..dd8b2dd1ed --- /dev/null +++ b/dts/Bindings/i2c/i2c-rcar.txt @@ -0,0 +1,29 @@ +I2C for R-Car platforms + +Required properties: +- compatible: Must be one of + "renesas,i2c-rcar" + "renesas,i2c-r8a7778" + "renesas,i2c-r8a7779" + "renesas,i2c-r8a7790" + "renesas,i2c-r8a7791" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: interrupt specifier. + +Optional properties: +- clock-frequency: desired I2C bus clock frequency in Hz. The absence of this + propoerty indicates the default frequency 100 kHz. +- clocks: clock specifier. + +Examples : + +i2c0: i2c@e6508000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,i2c-r8a7791"; + reg = <0 0xe6508000 0 0x40>; + interrupts = <0 287 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp9_clks R8A7791_CLK_I2C0>; + clock-frequency = <400000>; +}; |