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[209.85.220.41]) by mx.google.com with SMTPS id rm5sor6612628pjb.21.2021.11.11.07.46.05 for (Google Transport Security); Thu, 11 Nov 2021 07:46:05 -0800 (PST) Received-SPF: pass (google.com: domain of jagan@amarulasolutions.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; X-Received: by 2002:a17:90a:17a5:: with SMTP id q34mr27153922pja.122.1636645564865; Thu, 11 Nov 2021 07:46:04 -0800 (PST) Received: from localhost.localdomain ([2405:201:c00a:a0a9:3041:135c:4e21:846c]) by smtp.gmail.com with ESMTPSA id m15sm2782122pjf.49.2021.11.11.07.46.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Nov 2021 07:46:04 -0800 (PST) From: Jagan Teki To: Rob Herring , Maxime Coquelin , Alexandre Torgue Cc: devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-amarula@amarulasolutions.com, Matteo Lisi , Jagan Teki Subject: [PATCH 1/3] ARM: dts: stm32: Enable LVDS panel on i.Core STM32MP1 EDIMM2.2 Date: Thu, 11 Nov 2021 21:15:55 +0530 Message-Id: <20211111154557.852637-1-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Original-Sender: jagan@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=pJ+aj0Qc; spf=pass (google.com: domain of jagan@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=jagan@amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Engicam i.Core STM32MP1 EDIMM2.2 Starter Kit has plugged with 7" LVDS panel. Engicam i.Core STM32MP1 SoM has SN65DSI84 DSI to LVDS bridge. This patch adds a display pipeline to connect DSI to SN65DSI84 to 7" LVDS panel. Signed-off-by: Jagan Teki --- .../stm32mp157a-icore-stm32mp1-edimm2.2.dts | 85 +++++++++++++++++++ 1 file changed, 85 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts b/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts index ec9f1d1cd50f..d80b4415e761 100644 --- a/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts +++ b/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts @@ -24,6 +24,91 @@ aliases { chosen { stdout-path = "serial0:115200n8"; }; + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpiod 13 GPIO_ACTIVE_HIGH>; + default-on; + }; + + panel { + compatible = "yes-optoelectronics,ytc700tlag-05-201c"; + backlight = <&backlight>; + power-supply = <&v3v3>; + + port { + panel_out_bridge: endpoint { + remote-endpoint = <&bridge_out_panel>; + }; + }; + }; +}; + +&dsi { + status = "okay"; + phy-dsi-supply = <®18>; + + ports { + port@0 { + reg = <0>; + dsi_in_ltdc: endpoint { + remote-endpoint = <<dc_out_dsi>; + }; + }; + + port@1 { + reg = <1>; + dsi_out_bridge: endpoint { + remote-endpoint = <&bridge_in_dsi>; + }; + }; + }; +}; + +&i2c6 { + i2c-scl-falling-time-ns = <20>; + i2c-scl-rising-time-ns = <185>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c6_pins_a>; + pinctrl-1 = <&i2c6_sleep_pins_a>; + status = "okay"; + + bridge@2c { + compatible = "ti,sn65dsi84"; + reg = <0x2c>; + enable-gpios = <&gpiof 15 GPIO_ACTIVE_HIGH>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + bridge_in_dsi: endpoint { + remote-endpoint = <&dsi_out_bridge>; + data-lanes = <0 1>; + }; + }; + + port@2 { + reg = <2>; + bridge_out_panel: endpoint { + remote-endpoint = <&panel_out_bridge>; + }; + }; + }; + }; +}; + +<dc { + status = "okay"; + + port { + ltdc_out_dsi: endpoint@0 { + reg = <0>; + remote-endpoint = <&dsi_in_ltdc>; + }; + }; }; &sdmmc1 {