Devicetree bindings for Allwinner A10/A20 CAN
Signed-off-by: Gerhard Bertelsmann <i...@gerhard-bertelsmann.de>
---
.../devicetree/bindings/net/can/sun4i_can.txt | 38 +
1 file changed, 38 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..5819043
--- /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,sun4ican"
+- 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,sun4ican";
+ 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";
+ };
+
--
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