linux-kernel - [PATCH 2/5] arm64: tegra: Add device-tree node for NVVRS PSEQ

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Message-ID: <20250416120619.483793-3-shgarg@nvidia.com>
Date: Wed, 16 Apr 2025 12:06:16 +0000
From: Shubhi Garg <shgarg@...dia.com>
To: <lee@...nel.org>, <alexandre.belloni@...tlin.com>,
	<thierry.reding@...il.com>, <jonathanh@...dia.com>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-tegra@...r.kernel.org>
CC: <shgarg@...dia.com>
Subject: [PATCH 2/5] arm64: tegra: Add device-tree node for NVVRS PSEQ

Add NVIDIA VRS Power Sequencer device tree node for Tegra234 P3701 and
P3767 platforms.

Signed-off-by: Shubhi Garg <shgarg@...dia.com>
---
 arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi | 11 +++++++++++
 arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi | 17 +++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi
index 9086a0d010e5..d3c1f13b2b99 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi
@@ -170,6 +170,17 @@ bpmp {
 		i2c {
 			status = "okay";
 
+			vrs@3c {
+				compatible = "nvidia,vrs-pseq";
+				reg = <0x3c>;
+				interrupt-parent = <&pmc>;
+				/* VRS Wake ID is 24 */
+				interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				status = "okay";
+			};
+
 			thermal-sensor@4c {
 				compatible = "ti,tmp451";
 				status = "okay";
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi
index 84db7132e8fc..93a787c57eba 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi
@@ -121,6 +121,23 @@ pmc@...0000 {
 		};
 	};
 
+	bpmp {
+		i2c {
+			status = "okay";
+
+			vrs@3c {
+				compatible = "nvidia,vrs-pseq";
+				reg = <0x3c>;
+				interrupt-parent = <&pmc>;
+				/* VRS Wake ID is 24 */
+				interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				status = "okay";
+			};
+		};
+	};
+
 	vdd_5v0_sys: regulator-vdd-5v0-sys {
 		compatible = "regulator-fixed";
 		regulator-name = "VDD_5V0_SYS";
-- 
2.25.1