ARM: dts: sun7i: Add CAN node

The A20 SoC has an on-board CAN controller.
This patch adds the device node.

The CAN controller is inherited from the A10 SoC and uses the same driver.

This patch is adapted from the description in
Documentation/devicetree/bindings/net/can/sun4i_can.txt

Signed-off-by: Patrick Menschel <menschel.p@posteo.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index f767aa5..ff742a5 100644 (file)
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -1581,6 +1581,15 @@
                        #size-cells = <0>;
                };
 
+               can0: can@01c2bc00 {
+                       compatible = "allwinner,sun7i-a20-can",
+                                    "allwinner,sun4i-a10-can";
+                       reg = <0x01c2bc00 0x400>;
+                       interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&apb1_gates 4>;
+                       status = "disabled";
+               };
+
                i2c4: i2c@01c2c000 {
                        compatible = "allwinner,sun7i-a20-i2c",
                                     "allwinner,sun4i-a10-i2c";