Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756536AbcJ2LGq (ORCPT ); Sat, 29 Oct 2016 07:06:46 -0400 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76]:60588 "EHLO wens.csie.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756082AbcJ2LGm (ORCPT ); Sat, 29 Oct 2016 07:06:42 -0400 From: Chen-Yu Tsai To: Maxime Ripard , David Airlie , Rob Herring , Mark Rutland Cc: Chen-Yu Tsai , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH v3 2/2] ARM: dts: sun6i: hummingbird-a31: Enable display output through VGA bridge Date: Sat, 29 Oct 2016 19:06:11 +0800 Message-Id: <20161029110611.28951-3-wens@csie.org> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20161029110611.28951-1-wens@csie.org> References: <20161029110611.28951-1-wens@csie.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2613 Lines: 114 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 --- arch/arm/boot/dts/sun6i-a31-hummingbird.dts | 76 +++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) diff --git a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts index 9a74637f677f..1ab28b2108fe 100644 --- a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts +++ b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts @@ -63,6 +63,62 @@ 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"; + pinctrl-names = "default"; + pinctrl-0 = <&vga_3v3_enable_pin_hummingbird>; + 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 */ @@ -166,6 +222,13 @@ allwinner,pull = ; }; + vga_3v3_enable_pin_hummingbird: vga_3v3_enable_pin { + allwinner,pins = "PH25"; + allwinner,function = "gpio_out"; + allwinner,drive = ; + allwinner,pull = ; + }; + wifi_reset_pin_hummingbird: wifi_reset_pin@0 { allwinner,pins = "PG10"; allwinner,function = "gpio_out"; @@ -245,6 +308,19 @@ 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>; -- 2.9.3