linux-kernel - [PATCH v2 10/13] arm64: dts: st: add lvds support on stm32mp255

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Message-ID: <20250812-drm-misc-next-v2-10-132fd84463d7@foss.st.com>
Date: Tue, 12 Aug 2025 15:49:07 +0200
From: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
To: Yannick Fertre <yannick.fertre@...s.st.com>,
        Philippe Cornu
	<philippe.cornu@...s.st.com>,
        Maarten Lankhorst
	<maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Rob Herring <robh@...nel.org>,
        Krzysztof
 Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime
 Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Christophe Roullier
	<christophe.roullier@...s.st.com>
CC: <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 10/13] arm64: dts: st: add lvds support on stm32mp255

The LVDS is used on STM32MP2 as a display interface.

Add the LVDS node.

Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
---
 arch/arm64/boot/dts/st/stm32mp255.dtsi | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/st/stm32mp255.dtsi b/arch/arm64/boot/dts/st/stm32mp255.dtsi
index f689b47c5010033120146cf1954d6624c0270045..a3b5ae25d28c83ade12c2ff69b82c9cccfd29b00 100644
--- a/arch/arm64/boot/dts/st/stm32mp255.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp255.dtsi
@@ -6,6 +6,18 @@
 #include "stm32mp253.dtsi"
 
 &rifsc {
+	lvds: lvds@...60000 {
+		compatible = "st,stm32mp255-lvds", "st,stm32mp25-lvds";
+		#clock-cells = <0>;
+		reg = <0x48060000 0x2000>;
+		clocks = <&rcc CK_BUS_LVDS>, <&rcc CK_KER_LVDSPHY>;
+		clock-names = "pclk", "ref";
+		resets = <&rcc LVDS_R>;
+		access-controllers = <&rifsc 84>;
+		power-domains = <&CLUSTER_PD>;
+		status = "disabled";
+	};
+
 	vdec: vdec@...d0000 {
 		compatible = "st,stm32mp25-vdec";
 		reg = <0x480d0000 0x3c8>;
@@ -22,4 +34,4 @@ venc: venc@...e0000 {
 		clocks = <&rcc CK_BUS_VENC>;
 		access-controllers = <&rifsc 90>;
 	};
-};
\ No newline at end of file
+};

-- 
2.25.1