From 2584a3873bacfa1dd41c815760fab242f7e397e8 Mon Sep 17 00:00:00 2001
From: Kartik <kkartik@nvidia.com>
Date: Tue, 20 Sep 2022 17:10:12 +0000
Subject: [PATCH] arm64: tegra: Enable Tegra RTC

Tegra234 soc provides RTC which serves as a wakeup source to recover the
system from SC7 state.

Enable Tegra RTC on Tegra234.

Bug 3796711

Change-Id: Ibd0e0091c890b482b1447d53a0faaeaed51a1c6a
Signed-off-by: Kartik <kkartik@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2778957
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra234-soc-overlay.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra234-soc-overlay.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-soc-overlay.dtsi
index c75c1566..a405aa76 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-soc-overlay.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-soc-overlay.dtsi
@@ -180,6 +180,10 @@
 				iommus = <&smmu_niso0 TEGRA234_SID_HDA>;
 				status = "okay";
 			};
+
+			rtc@c2a0000 {
+				status = "okay";
+			};
 		};
 	};