ARM: dts: sun8i: v3s: Add simple-framebuffer

Add support for "allwinner,simple-framebuffer"
with "mixer0-lcd0" pipeline from boot loader (u-boot).
It depends on boot loader implementation of DE2/TCON0
setup with LCD.

Signed-off-by: Martin Cerveny <m.cerveny@computer.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200916175941.8448-1-m.cerveny@computer.org

diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi b/arch/arm/boot/dts/sun8i-v3s.dtsi
index bae8fa9..0c73416 100644 (file)
--- a/arch/arm/boot/dts/sun8i-v3s.dtsi
+++ b/arch/arm/boot/dts/sun8i-v3s.dtsi
@@ -43,12 +43,28 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/sun8i-v3s-ccu.h>
 #include <dt-bindings/reset/sun8i-v3s-ccu.h>
+#include <dt-bindings/clock/sun8i-de2.h>
 
 / {
        #address-cells = <1>;
        #size-cells = <1>;
        interrupt-parent = <&gic>;
 
+       chosen {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges;
+
+               framebuffer-lcd {
+                       compatible = "allwinner,simple-framebuffer",
+                                    "simple-framebuffer";
+                       allwinner,pipeline = "mixer0-lcd0";
+                       clocks = <&display_clocks CLK_MIXER0>,
+                                <&ccu CLK_TCON0>;
+                       status = "disabled";
+               };
+       };
+
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;