From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0F2A0CA0EFA for ; Sat, 23 Aug 2025 06:29:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:CC:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=JBT1UDpbACmKUTz7QVz33kNvVsoysRpJ/dCT2cDLpW4=; b=fWyQmSKp1QZJtMThRrJjDy5D6P hXoXhAQeAVOqIi08pqbz9jOZsJhjm1plO/iQNvTtfV7R7WWJ6UxVEJ4q+guKcX5/B5DFw29oLpSs1 bJAl6N3bF7lafAJfycmN70l6I5ssXngUwtIBbtcuc+5X8hOnv7TPdhRWN2LTBJWZ2+4aiaS6JZ/jR LoaSGmM1apmNCuhD8g5JnjjfXbGV1YADpIMhs6pELPxrUHjMI8Icn6wSQs3exRsGCBtLV+oey7Tve k2AJZhIO1ca+bfQEvdyc5PmQ00q1yFHL5dZpIvNplgAB14Tovg7pcslzKXaKCoXuLU3/LiY8Uc+7E zO6AMHJA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uphkU-00000003wui-2cqL; Sat, 23 Aug 2025 06:29:10 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1upQw9-00000002UQr-0kLA for linux-arm-kernel@lists.infradead.org; Fri, 22 Aug 2025 12:32:06 +0000 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 57MCHGJl009682; Fri, 22 Aug 2025 14:31:55 +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= JBT1UDpbACmKUTz7QVz33kNvVsoysRpJ/dCT2cDLpW4=; b=Zahfk0R3fVBUSlts KqSACcCnut8KaGkwtIZecPsqlTIN+SuQG3TxqHT8iCCddekygt83cXwczb6jvr8l VA5fiAaU2B9eDZFRDludMIopoz/7pBF3ktLeHYyH/cMsPjipz1O0bMlQJpx4wQfS R/Z3uz3liKRAL6xgoz7HxXQeBAnVxPFRkQlz9/kEK8Drl08bmPIB4x2w7LuNiFd7 tFg1Rqwtz1vEr1JgQ6B4pyq+Yd6e9hfmFKl5XtKOSJ5bNofx1m2eWSIvSe4ggcJj ckmbEczqw+Lql/Way9StH+kZfUmq3PrmX24dfd2vKR6z6qZLobT/H9ddXOm+zsss BcUoMw== 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 48np7n752x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 22 Aug 2025 14:31:55 +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 1470240046; Fri, 22 Aug 2025 14:30:40 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node3.st.com [10.75.129.71]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 1F9F26C2A88; Fri, 22 Aug 2025 14:29:43 +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 14:29:42 +0200 Message-ID: <512c5e41-276d-4c2c-936c-718347df3711@foss.st.com> Date: Fri, 22 Aug 2025 14:29:41 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 01/13] dt-bindings: display: st: add two new compatibles to LTDC device 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-v4-1-7060500f8fd3@foss.st.com> Content-Language: en-US From: Yannick FERTRE In-Reply-To: <20250821-drm-misc-next-v4-1-7060500f8fd3@foss.st.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.48.87.178] 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250822_053205_483072_776B8DEB X-CRM114-Status: GOOD ( 15.86 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Raphael, Thanks for the patch. Acked-by: Yannick Fertre Le 21/08/2025 à 13:08, Raphael Gallais-Pou a écrit : > The new STMicroelectronics SoC features a display controller similar to > the one used in previous SoCs. Because there is additional registers, > and different mandatory clocks it is incompatible with existing IPs. On > STM32MP251, the device only needs two clocks while on STM32MP255 it > needs four. > > Add the new names to the list of compatible string and handle each > quirks accordingly. > > Signed-off-by: Raphael Gallais-Pou > --- > .../devicetree/bindings/display/st,stm32-ltdc.yaml | 50 +++++++++++++++++++++- > 1 file changed, 48 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml b/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml > index d6ea4d62a2cfae26353c9f20a326a4329fed3a2f..bcedcfef5427f5725a0473c09628e70d172c8f58 100644 > --- a/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml > +++ b/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml > @@ -12,7 +12,10 @@ maintainers: > > properties: > compatible: > - const: st,stm32-ltdc > + enum: > + - st,stm32-ltdc > + - st,stm32mp251-ltdc > + - st,stm32mp255-ltdc > > reg: > maxItems: 1 > @@ -24,11 +27,16 @@ properties: > minItems: 1 > > clocks: > - maxItems: 1 > + minItems: 1 > + maxItems: 4 > > clock-names: > items: > - const: lcd > + - const: bus > + - const: ref > + - const: lvds > + minItems: 1 > > resets: > maxItems: 1 > @@ -51,6 +59,44 @@ required: > - resets > - port > > +allOf: > + - if: > + properties: > + compatible: > + contains: > + enum: > + - st,stm32-ltdc > + then: > + properties: > + clocks: > + maxItems: 1 > + clock-names: > + maxItems: 1 > + - if: > + properties: > + compatible: > + contains: > + enum: > + - st,stm32mp251-ltdc > + then: > + properties: > + clocks: > + maxItems: 2 > + clock-names: > + maxItems: 2 > + - if: > + properties: > + compatible: > + contains: > + enum: > + - st,stm32mp255-ltdc > + then: > + properties: > + clocks: > + minItems: 4 > + clock-names: > + minItems: 4 > + > additionalProperties: false > > examples: >