From 62c3768776481158822f63f89e632dbd1793d24f Mon Sep 17 00:00:00 2001
From: Akhil R <akhilrajeev@nvidia.com>
Date: Mon, 22 Aug 2022 17:50:59 +0530
Subject: [PATCH] arm64: tegra: Add GPCDMA device tree node

Add GPCDMA device tree node as an overlay.

Bug 3631204

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Change-Id: I4ec8ef94f357890c7c938b7094610fcaa01f2920
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2758220
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
---
 ...tegra234-p3737-0000+p3701-0000-overlay.dts |  1 +
 .../boot/dts/nvidia/tegra234-soc-overlay.dtsi | 52 +++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000-overlay.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000-overlay.dts
index 75501589..403c70db 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000-overlay.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000-overlay.dts
@@ -9,4 +9,5 @@
 #include "tegra234-p3701-0000-overlay.dtsi"
 
 / {
+
 };
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-soc-overlay.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-soc-overlay.dtsi
index 8fff4398..c07f737a 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-soc-overlay.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-soc-overlay.dtsi
@@ -13,4 +13,56 @@
 / {
 	overlay-name = "Add nvidia,p3737-0000+p3701-0000 Overlay Support";
 	compatible = "nvidia,tegra234";
+
+	fragment-t234@0 {
+		target-path = "/bus@0";
+		__overlay__ {
+			gpcdma: gpcdma@2600000 {
+				compatible = "nvidia,tegra234-gpcdma";
+				reg = <0x2600000 0x210000>;
+				resets = <&bpmp TEGRA234_RESET_GPCDMA>;
+				reset-names = "gpcdma";
+				interrupts = <0 75 0x04
+					0 76 0x04
+					0 77 0x04
+					0 78 0x04
+					0 79 0x04
+					0 80 0x04
+					0 81 0x04
+					0 82 0x04
+					0 83 0x04
+					0 84 0x04
+					0 85 0x04
+					0 86 0x04
+					0 87 0x04
+					0 88 0x04
+					0 89 0x04
+					0 90 0x04
+					0 91 0x04
+					0 92 0x04
+					0 93 0x04
+					0 94 0x04
+					0 95 0x04
+					0 96 0x04
+					0 97 0x04
+					0 98 0x04
+					0 99 0x04
+					0 100 0x04
+					0 101 0x04
+					0 102 0x04
+					0 103 0x04
+					0 104 0x04
+					0 105 0x04
+					0 106 0x04
+					0 107 0x04>;
+				#dma-cells = <1>;
+				iommus = <&smmu_niso0 TEGRA234_SID_GPCDMA>;
+				dma-coherent;
+				nvidia,start-dma-channel-index = <1>;
+				dma-channels = <31>;
+
+				status = "okay";
+			};
+		};
+	};
 };