[PATCH] ARM: da850-lcdk: add the dumb-vga-dac node
From: Bartosz Golaszewski <hidden>
Date: 2016-11-25 09:13:40
Also in:
dri-devel, linux-arm-kernel, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- arch/arm/boot/dts/da850-lcdk.dts | 58 ++++++++++++++++++++++++++++++++++++++++ arch/arm/boot/dts/da850.dtsi | 17 ++++++++++++ 2 files changed, 75 insertions(+)
diff --git a/arch/arm/boot/dts/da850-lcdk.dts b/arch/arm/boot/dts/da850-lcdk.dts
index 7b8ab21..c5d3a2b 100644
--- a/arch/arm/boot/dts/da850-lcdk.dts
+++ b/arch/arm/boot/dts/da850-lcdk.dts@@ -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>; + }; +};
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 36066fa..6ab8df1 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi@@ -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 {
--
2.9.3
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