From: Gerhard Bertelsmann Date: Wed, 16 Sep 2015 11:21:19 +0000 (+0200) Subject: can: Allwinner A10/A20 CAN Controller support - Devicetree bindings X-Git-Tag: v4.9.8~3303^2~312^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4366bd4fa8c46b61ec0a7d564bd978cfa882692b;p=platform%2Fkernel%2Flinux-rpi3.git can: Allwinner A10/A20 CAN Controller support - Devicetree bindings Devicetree bindings for Allwinner A10/A20 CAN controller. Signed-off-by: Gerhard Bertelsmann Acked-by: Maxime Ripard Signed-off-by: Marc Kleine-Budde --- diff --git a/Documentation/devicetree/bindings/net/can/sun4i_can.txt b/Documentation/devicetree/bindings/net/can/sun4i_can.txt new file mode 100644 index 0000000..84ed190 --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/sun4i_can.txt @@ -0,0 +1,36 @@ +Allwinner A10/A20 CAN controller Device Tree Bindings +----------------------------------------------------- + +Required properties: +- compatible: "allwinner,sun4i-a10-can" +- reg: physical base address and size of the Allwinner A10/A20 CAN register map. +- interrupts: interrupt specifier for the sole interrupt. +- clock: phandle and clock specifier. + +Example +------- + +SoC common .dtsi file: + + can0_pins_a: can0@0 { + allwinner,pins = "PH20","PH21"; + allwinner,function = "can"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; +... + can0: can@01c2bc00 { + compatible = "allwinner,sun4i-a10-can"; + reg = <0x01c2bc00 0x400>; + interrupts = <0 26 4>; + clocks = <&apb1_gates 4>; + status = "disabled"; + }; + +Board specific .dts file: + + can0: can@01c2bc00 { + pinctrl-names = "default"; + pinctrl-0 = <&can0_pins_a>; + status = "okay"; + };