[PATCH v2 16/18] ARM: dts: sun8i: r40: Disable TCONs by default.

Jernej Skrabec jernej.skrabec at siol.net
Tue Jul 10 20:35:09 UTC 2018


R40 has 4 TCONs, but only 2 of them can receive some kind of output at
the same time. Let's disable them by default, so only those which are
really connected on board can be enabled in board dts file.

Reviewed-by: Chen-Yu Tsai <wens at csie.org>
Signed-off-by: Jernej Skrabec <jernej.skrabec at siol.net>
---
 arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts | 4 ++++
 arch/arm/boot/dts/sun8i-r40.dtsi                  | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
index 737cf01b1acd..c39b9169ea64 100644
--- a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
+++ b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
@@ -251,6 +251,10 @@
 	regulator-name = "vcc-wifi";
 };
 
+&tcon_tv0 {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;
diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index e5c7e4804384..e2cbd4f645c5 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -679,6 +679,7 @@
 			clock-names = "ahb", "tcon-ch1";
 			resets = <&ccu RST_BUS_TCON_TV0>;
 			reset-names = "lcd";
+			status = "disabled";
 
 			ports {
 				#address-cells = <1>;
@@ -721,6 +722,7 @@
 			clock-names = "ahb", "tcon-ch1";
 			resets = <&ccu RST_BUS_TCON_TV1>;
 			reset-names = "lcd";
+			status = "disabled";
 
 			ports {
 				#address-cells = <1>;
-- 
2.18.0



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