diff options
| author | Chen-Yu Tsai <wens@csie.org> | 2016-11-16 18:42:32 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2016-11-22 17:34:09 +0300 |
| commit | 0fa1c17c162f9a5f5ca8b244f7bad7fd0aa7bc60 (patch) | |
| tree | 719aa7a1e3d235fb62c13fbf462cdeead10fb8a3 /arch/arm/boot/dts/sun6i-a31-hummingbird.dts | |
| parent | 9bfe7c8d1af5a8a55a21b5407e1a35ed3c1b98eb (diff) | |
| download | linux-0fa1c17c162f9a5f5ca8b244f7bad7fd0aa7bc60.tar.xz | |
ARM: dts: sun6i: hummingbird-a31: Enable display output through VGA bridge
The Hummingbird A31 board has a VGA DAC which converts RGB output
from the LCD interface to VGA analog signals.
Add nodes for the VGA DAC, its power supply, and enable this part
of the display pipeline.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'arch/arm/boot/dts/sun6i-a31-hummingbird.dts')
| -rw-r--r-- | arch/arm/boot/dts/sun6i-a31-hummingbird.dts | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts index 4e0516026596..735914f6ae44 100644 --- a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts +++ b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts @@ -63,6 +63,60 @@ stdout-path = "serial0:115200n8"; }; + vga-connector { + compatible = "vga-connector"; + + port { + vga_con_in: endpoint { + remote-endpoint = <&vga_dac_out>; + }; + }; + }; + + vga-dac { + compatible = "dumb-vga-dac"; + vdd-supply = <®_vga_3v3>; + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + + vga_dac_in: endpoint@0 { + reg = <0>; + remote-endpoint = <&tcon0_out_vga>; + }; + }; + + port@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + vga_dac_out: endpoint@0 { + reg = <0>; + remote-endpoint = <&vga_con_in>; + }; + }; + }; + }; + + reg_vga_3v3: vga_3v3_regulator { + compatible = "regulator-fixed"; + regulator-name = "vga-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + gpio = <&pio 7 25 GPIO_ACTIVE_HIGH>; /* PH25 */ + }; + wifi_pwrseq: wifi_pwrseq { compatible = "mmc-pwrseq-simple"; reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */ @@ -258,6 +312,19 @@ status = "okay"; }; +&tcon0 { + pinctrl-names = "default"; + pinctrl-0 = <&lcd0_rgb888_pins>; + status = "okay"; +}; + +&tcon0_out { + tcon0_out_vga: endpoint@0 { + reg = <0>; + remote-endpoint = <&vga_dac_in>; + }; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pins_a>; |