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Thu, 21 Dec 2023 13:45:16 +0100 (CET) Received: from localhost (10.252.25.159) 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 15.1.2507.27; Thu, 21 Dec 2023 13:45:16 +0100 From: Raphael Gallais-Pou To: Laurent Pinchart , Neil Armstrong , Jessica Zhang , Sam Ravnborg , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Yannick Fertre , Raphael Gallais-Pou , Philippe Cornu , Philipp Zabel , Lad Prabhakar , Thierry Reding CC: , , , , Subject: [PATCH RESEND v1 7/8] arm64: dts: st: add lvds support on stm32mp253 Date: Thu, 21 Dec 2023 13:43:38 +0100 Message-ID: <20231221124339.420119-8-raphael.gallais-pou@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231221124339.420119-1-raphael.gallais-pou@foss.st.com> References: <20231221124339.420119-1-raphael.gallais-pou@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.252.25.159] X-ClientProxiedBy: EQNCAS1NODE4.st.com (10.75.129.82) To SHFDAG1NODE2.st.com (10.75.129.70) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-21_06,2023-12-20_01,2023-05-22_02 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231221_044536_895233_7CEF21D8 X-CRM114-Status: GOOD ( 11.34 ) 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 This patch adds LVDS support on stm32mp253. The LVDS is used on STM32MP2 as a display interface. LVDS PLL clock is binded to the LTDC input clock. Signed-off-by: Raphael Gallais-Pou --- arch/arm64/boot/dts/st/stm32mp253.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp253.dtsi b/arch/arm64/boot/dts/st/stm32mp253.dtsi index af48e82efe8a..bcc605e502de 100644 --- a/arch/arm64/boot/dts/st/stm32mp253.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp253.dtsi @@ -21,3 +21,20 @@ arm-pmu { interrupt-affinity = <&cpu0>, <&cpu1>; }; }; + +<dc { + clocks = <&rcc CK_BUS_LTDC>, <&rcc CK_KER_LTDC>, <&lvds 0>; + clock-names = "bus", "lcd", "lvds"; +}; + +&rifsc { + lvds: lvds@48060000 { + #clock-cells = <0>; + compatible = "st,stm32-lvds"; + reg = <0x48060000 0x2000>; + clocks = <&rcc CK_BUS_LVDS>, <&rcc CK_KER_LVDSPHY>; + clock-names = "pclk", "ref"; + resets = <&rcc LVDS_R>; + status = "disabled"; + }; +};