Merge tag 'regmap-v3.15-nodev' of git://git.kernel.org/pub/scm/linux/kernel/git/broon...
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / i2c / i2c-rcar.txt
1 I2C for R-Car platforms
2
3 Required properties:
4 - compatible: Must be one of
5         "renesas,i2c-rcar"
6         "renesas,i2c-r8a7778"
7         "renesas,i2c-r8a7779"
8         "renesas,i2c-r8a7790"
9         "renesas,i2c-r8a7791"
10 - reg: physical base address of the controller and length of memory mapped
11   region.
12 - interrupts: interrupt specifier.
13
14 Optional properties:
15 - clock-frequency: desired I2C bus clock frequency in Hz. The absence of this
16   propoerty indicates the default frequency 100 kHz.
17 - clocks: clock specifier.
18
19 Examples :
20
21 i2c0: i2c@e6508000 {
22         #address-cells = <1>;
23         #size-cells = <0>;
24         compatible = "renesas,i2c-r8a7791";
25         reg = <0 0xe6508000 0 0x40>;
26         interrupts = <0 287 IRQ_TYPE_LEVEL_HIGH>;
27         clocks = <&mstp9_clks R8A7791_CLK_I2C0>;
28         clock-frequency = <400000>;
29 };