diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2014-05-02 21:15:10 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2014-05-22 10:09:23 +0200 |
| commit | 5aacb66656121ba8c917a905e0eef192c0b22212 (patch) | |
| tree | 285566f71926b78b7ae5ad8bb8e7f1895214f2d0 | |
| parent | 88c289ec28dfb0f383dcdbadd2c759f910585815 (diff) | |
i2c: sh_mobile: add devicetree documentation
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt new file mode 100644 index 000000000000..d2153ce36fa8 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt @@ -0,0 +1,26 @@ +Device tree configuration for Renesas IIC (sh_mobile) driver + +Required properties: +- compatible : "renesas,iic-<soctype>". "renesas,rmobile-iic" as fallback +- reg : address start and address range size of device +- interrupts : interrupt of device +- clocks : clock for device +- #address-cells : should be <1> +- #size-cells : should be <0> + +Optional properties: +- clock-frequency : frequency of bus clock in Hz. Default 100kHz if unset. + +Pinctrl properties might be needed, too. See there. + +Example: + + iic0: i2c@e6500000 { + compatible = "renesas,iic-r8a7790", "renesas,rmobile-iic"; + reg = <0 0xe6500000 0 0x425>; + interrupts = <0 174 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp3_clks R8A7790_CLK_IIC0>; + clock-frequency = <400000>; + #address-cells = <1>; + #size-cells = <0>; + }; |