Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755502AbcKYQDu (ORCPT ); Fri, 25 Nov 2016 11:03:50 -0500 Received: from mail-wj0-f180.google.com ([209.85.210.180]:36144 "EHLO mail-wj0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755117AbcKYQDW (ORCPT ); Fri, 25 Nov 2016 11:03:22 -0500 From: Bartosz Golaszewski To: Kevin Hilman , Michael Turquette , Sekhar Nori , Rob Herring , Frank Rowand , Mark Rutland , Peter Ujfalusi , Russell King Cc: LKML , arm-soc , linux-drm , linux-devicetree , Jyri Sarha , Tomi Valkeinen , David Airlie , Laurent Pinchart , Bartosz Golaszewski Subject: [PATCH 1/3] ARM: da850-lcdk: add the dumb-vga-dac node Date: Fri, 25 Nov 2016 17:03:13 +0100 Message-Id: <1480089795-29811-2-git-send-email-bgolaszewski@baylibre.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1480089795-29811-1-git-send-email-bgolaszewski@baylibre.com> References: <1480089795-29811-1-git-send-email-bgolaszewski@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2247 Lines: 113 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 --- 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 8411a91..6952c68 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 { @@ -227,3 +274,14 @@ }; }; }; + +&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 ff13e95..8e30d9b 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -453,6 +453,23 @@ 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