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Thu, 28 Aug 2025 17:30:31 +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 D4EB940048; Thu, 28 Aug 2025 17:29:17 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node2.st.com [10.75.129.70]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 0DB7976B31E; Thu, 28 Aug 2025 17:28:05 +0200 (CEST) Received: from [10.252.2.182] (10.252.2.182) by SHFDAG1NODE2.st.com (10.75.129.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Thu, 28 Aug 2025 17:28:03 +0200 Message-ID: Date: Thu, 28 Aug 2025 17:28:02 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 06/13] dt-bindings: arm: stm32: add required #clock-cells property To: Christophe ROULLIER , Yannick Fertre , 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 CC: , , , , References: <20250822-drm-misc-next-v5-0-9c825e28f733@foss.st.com> <20250822-drm-misc-next-v5-6-9c825e28f733@foss.st.com> <4201bb6b-3ad8-4b35-b152-0d725310245b@foss.st.com> Content-Language: en-US From: Raphael Gallais-Pou In-Reply-To: <4201bb6b-3ad8-4b35-b152-0d725310245b@foss.st.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.252.2.182] X-ClientProxiedBy: SHFCAS1NODE1.st.com (10.75.129.72) To SHFDAG1NODE2.st.com (10.75.129.70) 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=2025-08-28_04,2025-08-28_01,2025-03-28_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250828_083044_063794_BFE32D62 X-CRM114-Status: GOOD ( 11.39 ) 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 On 8/28/25 17:18, Christophe ROULLIER wrote: > On 8/22/25 16:34, Raphael Gallais-Pou wrote: >> On STM32MP25 SoC, the syscfg peripheral provides a clock to the display >> subsystem through a multiplexer.  Since it only provides a single clock, >> the cell value is 0. >> >> Doing so allows the clock consumers to reach the peripheral and gate the >> clock accordingly. >> >> Reviewed-by: Rob Herring (Arm) >> Reviewed-by: Yannick Fertre >> Signed-off-by: Raphael Gallais-Pou >> --- >>   .../bindings/arm/stm32/st,stm32-syscon.yaml        | 31 +++++++++++++++------- >>   1 file changed, 21 insertions(+), 10 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml >> b/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml >> index >> ed97652c84922813e94b1818c07fe8714891c089..95d2319afe235fa86974d80f89c9deeae2275232 >> 100644 >> --- a/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml >> +++ b/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml >> @@ -36,20 +36,31 @@ properties: >>     clocks: >>       maxItems: 1 >>   +  "#clock-cells": >> +    const: 0 >> + >>   required: >>     - compatible >>     - reg >>   -if: >> -  properties: >> -    compatible: >> -      contains: >> -        enum: >> -          - st,stm32mp157-syscfg >> -          - st,stm32f4-gcan >> -then: >> -  required: >> -    - clocks >> +allOf: >> +  - if: >> +      properties: >> +        compatible: >> +          contains: >> +            enum: >> +              - st,stm32mp157-syscfg >> +              - st,stm32f4-gcan >> +    then: >> +      required: >> +        - clocks >> +  - if: >> +      properties: >> +        compatible: >> +          const: st,stm32mp25-syscfg >> +    then: >> +      required: >> +        - "#clock-cells" >>     additionalProperties: false >>   > Acked-by: Christophe Roullier > > You can merge it on DRM MISC. Thanks Christophe ! :) Best regards, Raphaël > > Best Regards, >   Christophe >