linux-kernel - [PATCH] ARM: dts: sun5i: add A10s/A13 display frontend support fallback

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Date:   Thu,  7 Jan 2021 11:59:27 +0100
From:   Sergio Sota <sergiosota@...amoel.com>
To:     robh+dt@...nel.org
Cc:     mripard@...nel.org, wens@...e.org, jernej.skrabec@...l.net,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Sergio Sota <sergiosota@...amoel.com>
Subject: [PATCH] ARM: dts: sun5i: add A10s/A13 display frontend support fallback

The A10s/A13 display frontend driver is not implemented
Set A10 display frontend driver as a fallback for A10s/A13
Tested with Olimex-A13-SOM / Olimex-A13-OlinuXino-MICRO
"modetest -M sun4i-drm -s 49@47:800x480-60"  ( 7.0" tft lcd)
"modetest -M sun4i-drm -s 49@47:1024x600-60" (10.1" tft lcd)

Signed-off-by: Sergio Sota <sergiosota@...amoel.com>
---
 arch/arm/boot/dts/sun5i.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/sun5i.dtsi b/arch/arm/boot/dts/sun5i.dtsi
index c2b4fbf552a3..4ef14a8695ef 100644
--- a/arch/arm/boot/dts/sun5i.dtsi
+++ b/arch/arm/boot/dts/sun5i.dtsi
@@ -734,7 +734,8 @@ timer@...0000 {
 		};
 
 		fe0: display-frontend@...0000 {
-			compatible = "allwinner,sun5i-a13-display-frontend";
+			compatible = "allwinner,sun5i-a13-display-frontend",
+				     "allwinner,sun4i-a10-display-frontend";
 			reg = <0x01e00000 0x20000>;
 			interrupts = <47>;
 			clocks = <&ccu CLK_DE_FE>, <&ccu CLK_DE_FE>,
-- 
2.25.1