From: Aaron Kling <webgeek1234@gmail.com>
Date: Wed, 22 Oct 2025 03:13:23 +0000 (-0500)
Subject: arm64: tegra: Add interconnect properties for Tegra210
X-Git-Tag: v6.19-rc1~100^2~23^2~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3cad4369399a31277e9e20de723c665b30cba574;p=thirdparty%2Fkernel%2Flinux.git

arm64: tegra: Add interconnect properties for Tegra210

Add interconnect properties to the Memory Controller, External Memory
Controller and the Display Controller nodes in order to describe the
hardware interconnection.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
index 1b3fc151e49df..c196ceed93503 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
@@ -200,6 +200,19 @@
 
 			nvidia,outputs = <&dsia &dsib &sor0 &sor1>;
 			nvidia,head = <0>;
+
+			interconnects = <&mc TEGRA210_MC_DISPLAY0A &emc>,
+					<&mc TEGRA210_MC_DISPLAY0B &emc>,
+					<&mc TEGRA210_MC_DISPLAY0C &emc>,
+					<&mc TEGRA210_MC_DISPLAYHC &emc>,
+					<&mc TEGRA210_MC_DISPLAYD &emc>,
+					<&mc TEGRA210_MC_DISPLAYT &emc>;
+			interconnect-names = "wina",
+					     "winb",
+					     "winc",
+					     "cursor",
+					     "wind",
+					     "wint";
 		};
 
 		dc@54240000 {
@@ -215,6 +228,15 @@
 
 			nvidia,outputs = <&dsia &dsib &sor0 &sor1>;
 			nvidia,head = <1>;
+
+			interconnects = <&mc TEGRA210_MC_DISPLAY0AB &emc>,
+					<&mc TEGRA210_MC_DISPLAY0BB &emc>,
+					<&mc TEGRA210_MC_DISPLAY0CB &emc>,
+					<&mc TEGRA210_MC_DISPLAYHCB &emc>;
+			interconnect-names = "wina",
+					     "winb",
+					     "winc",
+					     "cursor";
 		};
 
 		dsia: dsi@54300000 {
@@ -988,6 +1010,7 @@
 
 		#iommu-cells = <1>;
 		#reset-cells = <1>;
+		#interconnect-cells = <1>;
 	};
 
 	emc: external-memory-controller@7001b000 {
@@ -999,6 +1022,7 @@
 		clock-names = "emc";
 		interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
 		nvidia,memory-controller = <&mc>;
+		#interconnect-cells = <0>;
 		#cooling-cells = <2>;
 	};