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

On 16/04/2025 14:06, Shubhi Garg wrote:
> 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";

Where was it disabled?



Best regards,
Krzysztof