From nobody Thu Dec 25 19:51:37 2025 Received: from mail-ed1-f48.google.com (mail-ed1-f48.google.com [209.85.208.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0C7536EB43 for ; Fri, 12 Jan 2024 14:49:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=amarulasolutions.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amarulasolutions.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="RXzxZwgU" Received: by mail-ed1-f48.google.com with SMTP id 4fb4d7f45d1cf-558e5ebc75dso355012a12.1 for ; Fri, 12 Jan 2024 06:49:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1705070952; x=1705675752; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=CVCuj48+/xmu2vffE0IGCw3X5dc2D2jlmiS9QC151X0=; b=RXzxZwgU1v2Rz/4zBFn4r7maHN2eOrTATOJ44cFI6VmrBSYtRh08aORFC1a1qp4FyE l9rHXXGaGKKj8/z8tqnUNb6mOnYYyknDCOHa2Tht8+I0jb9u744qSiGsF3ftsy3toyuB Cr3y2Y/vc+rRN6XvPDH6Ug1QFgrZF81sgsP10= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705070952; x=1705675752; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=CVCuj48+/xmu2vffE0IGCw3X5dc2D2jlmiS9QC151X0=; b=ZYPH/Jwuf3I5M+VFe0CZuJe9bctNoiXH5/6i3jEZ5Rz6k1a1vG2OttMdlhkJhs7kAL 3RveOEnvMxu2A+0qwQ56mZDO3dWmKu6/xhyagNUqUfSS9FnA2Tc8CcBpfnZeFQ6pfSab v33MPR5LV555uYSKjcUgz4mHfOwVYkfUuyt0ttUIg1+2ZK7465EOQTVYqyL5H9aU3ZNZ uigfN72jCbJDzjZSJVKrg2wtkbYy4ndP8li+jTwk6drusdKwkDnTcyWGmBqC4RL63d3U GFVOqHaJBumgTxRj3XyqcY3+K14sLzA3Lpqxb6IMyzq0qrgfLzkyVU9NfvMK7p/2vBXo CB2Q== X-Gm-Message-State: AOJu0YztNipqT18OjCGcq81abXXcfdx+OuplSlvO0hjZUDf+QpTGL8s2 UETatFw/S7O9ZKHkDPSC3vc2E78qkDXPLEBA0/cMc9VDGnw= X-Google-Smtp-Source: AGHT+IG9wRHuapUVC01qOKW4TF0F3YFJ1pcXZOWVjPvRN+ahErWQIcf1zhmQFQVjTYI4Ywxkzjssjg== X-Received: by 2002:a17:907:a4c:b0:a27:941f:32a1 with SMTP id be12-20020a1709070a4c00b00a27941f32a1mr901930ejc.58.1705070952151; Fri, 12 Jan 2024 06:49:12 -0800 (PST) Received: from dario-ThinkPad-T14s-Gen-2i.homenet.telecomitalia.it ([95.236.91.90]) by smtp.gmail.com with ESMTPSA id y11-20020a170906524b00b00a233515c39esm1869372ejm.67.2024.01.12.06.49.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Jan 2024 06:49:11 -0800 (PST) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: linux-amarula@amarulasolutions.com, Lee Jones , Alexandre Torgue , Raphael Gallais-Pou , Dario Binacchi , Conor Dooley , Krzysztof Kozlowski , Maxime Coquelin , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH v8 4/5] ARM: dts: stm32: add display support on stm32f769-disco Date: Fri, 12 Jan 2024 15:48:24 +0100 Message-ID: <20240112144902.40044-5-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240112144902.40044-1-dario.binacchi@amarulasolutions.com> References: <20240112144902.40044-1-dario.binacchi@amarulasolutions.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The patch adds display support on the stm32f769-disco board. Signed-off-by: Dario Binacchi --- Changes in v8: - Remove unit name from 'ltdc/port/endpoint@0' to fix the compiling warning: ../arch/arm/boot/dts/st/stm32f769-disco.dts:189.28-191.5: Warning (unit_address_vs_reg): /soc/display-controller@40016800/port/endpoint@0: = node has a unit name, but no reg or ranges property arch/arm/boot/dts/st/stm32f769-disco.dts | 72 +++++++++++++++++++++++- 1 file changed, 71 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/st/stm32f769-disco.dts b/arch/arm/boot/dts/s= t/stm32f769-disco.dts index 8632bd866272..b38eef824463 100644 --- a/arch/arm/boot/dts/st/stm32f769-disco.dts +++ b/arch/arm/boot/dts/st/stm32f769-disco.dts @@ -41,7 +41,7 @@ */ =20 /dts-v1/; -#include "stm32f746.dtsi" +#include "stm32f769.dtsi" #include "stm32f769-pinctrl.dtsi" #include #include @@ -60,6 +60,19 @@ memory@c0000000 { reg =3D <0xC0000000 0x1000000>; }; =20 + reserved-memory { + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges; + + linux,dma { + compatible =3D "shared-dma-pool"; + linux,dma-default; + no-map; + size =3D <0x100000>; + }; + }; + aliases { serial0 =3D &usart1; }; @@ -85,6 +98,13 @@ button-0 { }; }; =20 + panel_backlight: panel-backlight { + compatible =3D "gpio-backlight"; + gpios =3D <&gpioi 14 GPIO_ACTIVE_HIGH>; + default-on; + status =3D "okay"; + }; + usbotg_hs_phy: usb-phy { #phy-cells =3D <0>; compatible =3D "usb-nop-xceiv"; @@ -114,6 +134,46 @@ &clk_hse { clock-frequency =3D <25000000>; }; =20 +&dsi { + #address-cells =3D <1>; + #size-cells =3D <0>; + status =3D "okay"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + dsi_in: endpoint { + remote-endpoint =3D <<dc_out_dsi>; + }; + }; + + port@1 { + reg =3D <1>; + dsi_out: endpoint { + remote-endpoint =3D <&dsi_panel_in>; + }; + }; + }; + + panel0: panel-dsi@0 { + compatible =3D "orisetech,otm8009a"; + reg =3D <0>; /* dsi virtual channel (0..3) */ + reset-gpios =3D <&gpioj 15 GPIO_ACTIVE_LOW>; + power-supply =3D <&vcc_3v3>; + backlight =3D <&panel_backlight>; + status =3D "okay"; + + port { + dsi_panel_in: endpoint { + remote-endpoint =3D <&dsi_out>; + }; + }; + }; +}; + &i2c1 { pinctrl-0 =3D <&i2c1_pins_b>; pinctrl-names =3D "default"; @@ -122,6 +182,16 @@ &i2c1 { status =3D "okay"; }; =20 +<dc { + status =3D "okay"; + + port { + ltdc_out_dsi: endpoint { + remote-endpoint =3D <&dsi_in>; + }; + }; +}; + &rtc { status =3D "okay"; }; --=20 2.43.0