From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 83F512FC03E; Fri, 22 Aug 2025 13:00:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.207.212.93 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755867614; cv=none; b=aqKWb5gy/ZOfiygQkyruNnqaUB2ieRq6Ml/tJx6I0GQE9Swa6q6SuLzazK4TY982YxR7FfHJxx6Nl7NbfSoNInP3/fstRDAJruTj1pIFnOjzbe0zz1LIpwwNw7+gnzLpQOo70gseHAyNV48TPAXzSKq0XgpEX3xJNYELOL3aKGo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755867614; c=relaxed/simple; bh=hRTwqACIQ8hZJjA3GSkgqt13hL1cRiFuW3CfMttMcKs=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=qgfmhasRfMgxi56h75duq7E+U+583IvrqxsGQyyOvazaWE0vr7gmufmJi1IS65Q0P8iSWC3evEhO0LRA1F3MeHwW8DaIoNh0wFmDw8AaYKAZKRKqfw/sWTvKuHg1/UK2A4WY+AxL6wGlwl2DJvl3MI86O/yXWpJsJWtJ5CFC/zs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com; spf=pass smtp.mailfrom=foss.st.com; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b=KI/XT+6M; arc=none smtp.client-ip=91.207.212.93 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=foss.st.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b="KI/XT+6M" Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 57MCoe7v030096; Fri, 22 Aug 2025 14:59:56 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=selector1; bh= fdRuwvgpdfkzMUyKr6tHlpFHvNuuCdXxV4D+HC6QaMA=; b=KI/XT+6MJhFi2WeZ w5MTkk1UGOx796nFOR/zy+WvJGJudHm7jyOVRGMaXPZ8w3xyHBktOam8O+P/3qVX VHDVymxUsP8rpSaly0cSlknRRPL6vW9aO4zwzjIUFMukfMXWBkOUO/R1oZ8meTeE +3JvIr4Rbjysy0r1W0Q/J9U7xURtq1A05uWJ4tvY912gefWrZ6GZBa/HvUhyXXpX HxiAMdLAgdqNKPU1FHAuEoJ9zVdZywDzhv7Qk6PQCRxrdKDMtOL2kaUPbwAAgvuw htF5OKdOLwYHZctSLYtibJWJz5iaAjqC+/wUYlz1RUa9qnLm8+DKybMjl1Az8Lhr hFtBYg== Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 48np7n77uc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 22 Aug 2025 14:59:56 +0200 (MEST) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 23DE04004B; Fri, 22 Aug 2025 14:58:38 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node3.st.com [10.75.129.71]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 4281871EE31; Fri, 22 Aug 2025 14:57:40 +0200 (CEST) Received: from [10.48.87.178] (10.48.87.178) by SHFDAG1NODE3.st.com (10.75.129.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Fri, 22 Aug 2025 14:57:39 +0200 Message-ID: <7278430c-0b01-4a35-b1c0-b906e6cf464a@foss.st.com> Date: Fri, 22 Aug 2025 14:57:38 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 09/13] arm64: dts: st: add ltdc support on stm32mp251 To: Raphael Gallais-Pou , Philippe Cornu , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Maxime Coquelin" , Alexandre Torgue , Catalin Marinas , Will Deacon , Christophe Roullier CC: , , , , References: <20250821-drm-misc-next-v4-0-7060500f8fd3@foss.st.com> <20250821-drm-misc-next-v4-9-7060500f8fd3@foss.st.com> Content-Language: en-US From: Yannick FERTRE In-Reply-To: <20250821-drm-misc-next-v4-9-7060500f8fd3@foss.st.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: EQNCAS1NODE4.st.com (10.75.129.82) To SHFDAG1NODE3.st.com (10.75.129.71) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-22_04,2025-08-20_03,2025-03-28_01 Hi Raphael, Thanks for the patch. Acked-by: Yannick Fertre Le 21/08/2025 à 13:08, Raphael Gallais-Pou a écrit : > The LCD-TFT Display Controller (LTDC) handles display composition, > scaling and rotation. It provides a parallel digital RGB flow to be > used by display interfaces. > > Add the LTDC node. > > Signed-off-by: Raphael Gallais-Pou > --- > arch/arm64/boot/dts/st/stm32mp251.dtsi | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi > index 303abf915b8e489671b51a8c832041c14a42ecb8..372a99d9cc5c3730e8fbeddeb6134a3b18d938b6 100644 > --- a/arch/arm64/boot/dts/st/stm32mp251.dtsi > +++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi > @@ -1576,6 +1576,18 @@ dcmipp: dcmipp@48030000 { > status = "disabled"; > }; > > + ltdc: display-controller@48010000 { > + compatible = "st,stm32mp251-ltdc"; > + reg = <0x48010000 0x400>; > + interrupts = , > + ; > + clocks = <&rcc CK_KER_LTDC>, <&rcc CK_BUS_LTDC>; > + clock-names = "lcd", "bus"; > + resets = <&rcc LTDC_R>; > + access-controllers = <&rifsc 80>; > + status = "disabled"; > + }; > + > combophy: phy@480c0000 { > compatible = "st,stm32mp25-combophy"; > reg = <0x480c0000 0x1000>; >