From: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Date: Fri, 22 Aug 2025 14:34:20 +0000 (+0200)
Subject: arm64: dts: st: add lvds support on stm32mp255
X-Git-Tag: v6.18-rc1~147^2~18^2~9
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c067119b07369a2d27eb2575f050afb271ec01e7;p=thirdparty%2Flinux.git

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@foss.st.com>
Acked-by: Yannick Fertre <yannick.fertre@foss.st.com>
Link: https://lore.kernel.org/r/20250822-drm-misc-next-v5-11-9c825e28f733@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
---

diff --git a/arch/arm64/boot/dts/st/stm32mp255.dtsi b/arch/arm64/boot/dts/st/stm32mp255.dtsi
index 48a95af1741c4..7a598f53a2a0e 100644
--- a/arch/arm64/boot/dts/st/stm32mp255.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp255.dtsi
@@ -12,6 +12,18 @@
 };
 
 &rifsc {
+	lvds: lvds@48060000 {
+		compatible = "st,stm32mp255-lvds", "st,stm32mp25-lvds";
+		reg = <0x48060000 0x2000>;
+		#clock-cells = <0>;
+		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@480d0000 {
 		compatible = "st,stm32mp25-vdec";
 		reg = <0x480d0000 0x3c8>;