From 5aacb66656121ba8c917a905e0eef192c0b22212 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Fri, 2 May 2014 21:15:10 +0200 Subject: i2c: sh_mobile: add devicetree documentation Reported-by: Geert Uytterhoeven Signed-off-by: Wolfram Sang Signed-off-by: Wolfram Sang --- .../devicetree/bindings/i2c/i2c-sh_mobile.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt 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-". "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>; + }; -- cgit v1.2.3