@@ -50,6 +50,53 @@
system-clock-frequency = <24576000>;
};
};
+
+ vga_bridge {
+ compatible = "dumb-vga-dac";
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcd_pins>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ vga_bridge_in: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&display_out_vga>;
+ };
+ };
+
+ port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ vga_bridge_out: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&vga_con_in>;
+ };
+ };
+ };
+ };
+
+ vga {
+ compatible = "vga-connector";
+
+ ddc-i2c-bus = <&i2c0>;
+
+ port {
+ vga_con_in: endpoint {
+ remote-endpoint = <&vga_bridge_out>;
+ };
+ };
+ };
};
&pmx_core {
@@ -219,3 +266,14 @@
};
};
};
+
+&display {
+ status = "okay";
+};
+
+&display_out {
+ display_out_vga: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&vga_bridge_in>;
+ };
+};
@@ -442,6 +442,23 @@
reg = <0x213000 0x1000>;
interrupts = <52>;
status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ display_in: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ display_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+ };
};
};
aemif: aemif@68000000 {
Add the dumb-vga-dac node to the board DT together with corresponding ports and vga connector. This allows to retrieve the edid info from the display automatically. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> --- arch/arm/boot/dts/da850-lcdk.dts | 58 ++++++++++++++++++++++++++++++++++++++++ arch/arm/boot/dts/da850.dtsi | 17 ++++++++++++ 2 files changed, 75 insertions(+)