linux-kernel - [PATCH v1 8/9] ARM: tegra: Add External Memory Controller node on Tegra114

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Message-ID: <20250225143501.68966-9-clamor95@gmail.com>
Date: Tue, 25 Feb 2025 16:35:00 +0200
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Peter De Schrijver <pdeschrijver@...dia.com>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Svyatoslav Ryhel <clamor95@...il.com>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	Georgi Djakov <djakov@...nel.org>,
	Dmitry Osipenko <digetx@...il.com>
Cc: linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-tegra@...r.kernel.org,
	linux-clk@...r.kernel.org
Subject: [PATCH v1 8/9] ARM: tegra: Add External Memory Controller node on Tegra114

Add External Memory Controller node to the device-tree.

Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 arch/arm/boot/dts/nvidia/tegra114.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/nvidia/tegra114.dtsi b/arch/arm/boot/dts/nvidia/tegra114.dtsi
index a309999e7988..caf6024d6413 100644
--- a/arch/arm/boot/dts/nvidia/tegra114.dtsi
+++ b/arch/arm/boot/dts/nvidia/tegra114.dtsi
@@ -193,6 +193,8 @@ tegra_car: clock@...06000 {
 		reg = <0x60006000 0x1000>;
 		#clock-cells = <1>;
 		#reset-cells = <1>;
+
+		nvidia,external-memory-controller = <&emc>;
 	};
 
 	flow-controller@...07000 {
@@ -588,6 +590,16 @@ mc: memory-controller@...19000 {
 		#iommu-cells = <1>;
 	};
 
+	emc: external-memory-controller@...1b000 {
+		compatible = "nvidia,tegra114-emc";
+		reg = <0x7001b000 0x1000>;
+		interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_EMC>;
+		clock-names = "emc";
+
+		nvidia,memory-controller = <&mc>;
+	};
+
 	ahub@...80000 {
 		compatible = "nvidia,tegra114-ahub";
 		reg = <0x70080000 0x200>,
-- 
2.43.0