[PATCH v5 7/7] arm64: dts: allwinner: a64: enable ANX6345 bridge on Teres-I

Torsten Duwe duwe at lst.de
Tue Oct 29 12:16:57 UTC 2019


Teres-I has an anx6345 bridge connected to the RGB666 LCD output, and
the I2C controlling signals are connected to I2C0 bus.

Enable it in the device tree, and enable the display engine, video mixer
and tcon0 as well.

Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
Signed-off-by: Torsten Duwe <duwe at suse.de>
---
 .../boot/dts/allwinner/sun50i-a64-teres-i.dts      | 45 ++++++++++++++++++++--
 1 file changed, 41 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts
index 1069e7012c9c..970415106dcf 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts
@@ -100,18 +100,41 @@
 	status = "okay";
 };
 
+&de {
+	status = "okay";
+};
+
 &ehci1 {
 	status = "okay";
 };
 
 
-/* The ANX6345 eDP-bridge is on i2c0. There is no linux (mainline)
- * driver for this chip at the moment, the bootloader initializes it.
- * However it can be accessed with the i2c-dev driver from user space.
- */
 &i2c0 {
 	clock-frequency = <100000>;
 	status = "okay";
+
+	anx6345: anx6345 at 38 {
+		compatible = "analogix,anx6345";
+		reg = <0x38>;
+		reset-gpios = <&pio 3 24 GPIO_ACTIVE_LOW>; /* PD24 */
+		dvdd25-supply = <&reg_dldo2>;
+		dvdd12-supply = <&reg_dldo3>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port at 0 {
+				anx6345_in: endpoint {
+					remote-endpoint = <&tcon0_out_anx6345>;
+				};
+			};
+		};
+	};
+};
+
+&mixer0 {
+	status = "okay";
 };
 
 &mmc0 {
@@ -319,6 +342,20 @@
 	status = "okay";
 };
 
+&tcon0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&lcd_rgb666_pins>;
+
+	status = "okay";
+};
+
+&tcon0_out {
+	tcon0_out_anx6345: endpoint at 0 {
+		reg = <0>;
+		remote-endpoint = <&anx6345_in>;
+	};
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;
-- 
2.16.4



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