linux-kernel - [PATCH] ARM: dts: sun8i: v3s: Add simple-framebuffer

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Message-Id: <20200916175941.8448-1-m.cerveny@computer.org>
Date:   Wed, 16 Sep 2020 19:59:41 +0200
From:   Martin Cerveny <m.cerveny@...puter.org>
To:     Maxime Ripard <mripard@...nel.org>
Cc:     Martin Cerveny <m.cerveny@...puter.org>,
        Chen-Yu Tsai <wens@...e.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>
Subject: [PATCH] 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@...puter.org>
---
 arch/arm/boot/dts/sun8i-v3s.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi b/arch/arm/boot/dts/sun8i-v3s.dtsi
index e5312869c0d2..b93dd69bf309 100644
--- 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>;
-- 
2.17.1