[PATCH v8 1/3] can: Allwinner A10/A20 CAN Controller support - Devicetree bindings
From: Gerhard Bertelsmann <hidden>
Date: 2015-09-16 11:21:31
Also in:
linux-arm-kernel, linux-can, lkml
Subsystem:
can network drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Devicetree bindings for Allwinner A10/A20 CAN Signed-off-by: Gerhard Bertelsmann <redacted> --- .../devicetree/bindings/net/can/sun4i_can.txt | 38 + 1 files changed, 389 insertions(+)
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..cd0f50c
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/can/sun4i_can.txt@@ -0,0 +1,38 @@ +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"; + }; +