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

Shubhi Garg
2025-04-16T12:06:54Z

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

Signed-off-by: Shubhi Garg <shgarg@nvidia.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@c360000 {
};
};

+ 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