The Hummingbird A31 board has a RGB-to-VGA bridge which converts RGB
output from the LCD interface to VGA signals.
Enable this part of the display pipeline.
Signed-off-by: Chen-Yu Tsai <wens at csie.org>
---
arch/arm/boot/dts/sun6i-a31-hummingbird.dts | 56 +++++++++++++++++++++++++++++
1 file changed, 56 insertions(+)
diff --git a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
index 9a74637f677f..05a49b2147f1 100644
--- a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
+++ b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
@@ -63,6 +63,49 @@
stdout-path = "serial0:115200n8";
};
+ bridge {
+ compatible = "dumb-vga-dac";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ vga_bridge_in: endpoint at 0 {
+ reg = <0>;
+ remote-endpoint = <&tcon0_out_vga>;
+ };
+ };
+
+ port at 1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ vga_bridge_out: endpoint at 0 {
+ reg = <0>;
+ remote-endpoint = <&vga_con_in>;
+ };
+ };
+ };
+ };
+
+ vga {
+ compatible = "vga-connector";
+
+ port {
+ vga_con_in: endpoint {
+ remote-endpoint = <&vga_bridge_out>;
+ };
+ };
+ };
+
wifi_pwrseq: wifi_pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */
@@ -245,6 +288,19 @@
status = "okay";
};
+&tcon0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcd0_rgb888_pins>;
+ status = "okay";
+};
+
+&tcon0_out {
+ tcon0_out_vga: endpoint at 0 {
+ reg = <0>;
+ remote-endpoint = <&vga_bridge_in>;
+ };
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins_a>;
--
2.9.3
