dt-bindings: display: sun4i: Add display backend interrupt to device tree binding

The display backend has an interrupt line. Add it to the device tree
binding.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
index b82c004494681341bdef251e9323bb1df4773581..57a8d061006276730b07ff1ebf9867f52841e673 100644 (file)
--- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
+++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
@@ -94,6 +94,7 @@ Required properties:
     * allwinner,sun6i-a31-display-backend
     * allwinner,sun8i-a33-display-backend
   - reg: base address and size of the memory-mapped region.
+  - interrupts: interrupt associated to this IP
   - clocks: phandles to the clocks feeding the frontend and backend
     * ahb: the backend interface clock
     * mod: the backend module clock
@@ -265,6 +266,7 @@ fe0: display-frontend@1e00000 {
 be0: display-backend@1e60000 {
        compatible = "allwinner,sun5i-a13-display-backend";
        reg = <0x01e60000 0x10000>;
+       interrupts = <47>;
        clocks = <&ahb_gates 44>, <&de_be_clk>,
                 <&dram_gates 26>;
        clock-names = "ahb", "mod",