From b1806f2b4e781b010101f531e75bf8eda9aabff0 Mon Sep 17 00:00:00 2001 From: Shubhi Garg Date: Tue, 7 Oct 2025 13:57:36 +0000 Subject: [PATCH] arm64: tegra: Add device-tree node for NVVRS RTC Add NVIDIA VRS (Voltage Regulator Specification) RTC device tree node for Tegra234 P3701 and P3767 platforms. Assign VRS RTC as primary RTC (rtc0). Signed-off-by: Shubhi Garg Reviewed-by: Jon Hunter Tested-by: Jon Hunter Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi | 11 +++++++++++ arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi | 15 +++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi index 9086a0d010e5c..58bf55c0e414c 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi @@ -8,6 +8,7 @@ aliases { mmc0 = "/bus@0/mmc@3460000"; mmc1 = "/bus@0/mmc@3400000"; + rtc0 = "/bpmp/i2c/pmic@3c"; }; bus@0 { @@ -170,6 +171,16 @@ i2c { status = "okay"; + pmic@3c { + compatible = "nvidia,vrs-10"; + reg = <0x3c>; + interrupt-parent = <&pmc>; + /* VRS Wake ID is 24 */ + interrupts = <24 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells = <2>; + }; + 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 84db7132e8fc8..ab391a71c3d33 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi @@ -7,6 +7,7 @@ aliases { mmc0 = "/bus@0/mmc@3400000"; + rtc0 = "/bpmp/i2c/pmic@3c"; }; bus@0 { @@ -121,6 +122,20 @@ }; }; + bpmp { + i2c { + pmic@3c { + compatible = "nvidia,vrs-10"; + reg = <0x3c>; + interrupt-parent = <&pmc>; + /* VRS Wake ID is 24 */ + interrupts = <24 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; + }; + vdd_5v0_sys: regulator-vdd-5v0-sys { compatible = "regulator-fixed"; regulator-name = "VDD_5V0_SYS"; -- 2.47.3