linux-kernel - [PATCH v16 4/4] arm64: tegra: Add GPCDMA node for tegra186 and tegra194

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Message-ID: <1641830718-23650-5-git-send-email-akhilrajeev@nvidia.com>
Date:   Mon, 10 Jan 2022 21:35:18 +0530
From:   Akhil R <akhilrajeev@...dia.com>
To:     <dan.j.williams@...el.com>, <devicetree@...r.kernel.org>,
        <dmaengine@...r.kernel.org>, <jonathanh@...dia.com>,
        <kyarlagadda@...dia.com>, <ldewangan@...dia.com>,
        <linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <p.zabel@...gutronix.de>, <rgumasta@...dia.com>,
        <robh+dt@...nel.org>, <thierry.reding@...il.com>,
        <vkoul@...nel.org>
CC:     <akhilrajeev@...dia.com>
Subject: [PATCH v16 4/4] arm64: tegra: Add GPCDMA node for tegra186 and tegra194

Add device tree node for GPCDMA controller on Tegra186 target
and Tegra194 target.

Signed-off-by: Rajesh Gumasta <rgumasta@...dia.com>
Signed-off-by: Akhil R <akhilrajeev@...dia.com>
Reviewed-by: Jon Hunter <jonathanh@...dia.com>
---
 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 42 +++++++++++++++++++++++++++++++
 arch/arm64/boot/dts/nvidia/tegra194.dtsi | 43 ++++++++++++++++++++++++++++++++
 2 files changed, 85 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index c91afff..6bec977 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -73,6 +73,48 @@
 		snps,rxpbl = <8>;
 	};
 
+	dma-controller@...0000 {
+		compatible = "nvidia,tegra186-gpcdma";
+		reg = <0x0 0x2600000 0x0 0x210000>;
+		resets = <&bpmp TEGRA186_RESET_GPCDMA>;
+		reset-names = "gpcdma";
+		interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
+		#dma-cells = <1>;
+		iommus = <&smmu TEGRA186_SID_GPCDMA_0>;
+		dma-coherent;
+		status = "okay";
+	};
+
 	aconnect@...0000 {
 		compatible = "nvidia,tegra186-aconnect",
 			     "nvidia,tegra210-aconnect";
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 3c4acfc..491a02f 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -115,6 +115,49 @@
 			snps,rxpbl = <8>;
 		};
 
+		dma-controller@...0000 {
+			compatible = "nvidia,tegra194-gpcdma",
+				     "nvidia,tegra186-gpcdma";
+			reg = <0x2600000 0x210000>;
+			resets = <&bpmp TEGRA194_RESET_GPCDMA>;
+			reset-names = "gpcdma";
+			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
+			#dma-cells = <1>;
+			iommus = <&smmu TEGRA194_SID_GPCDMA_0>;
+			dma-coherent;
+			status = "okay";
+		};
+
 		aconnect@...0000 {
 			compatible = "nvidia,tegra194-aconnect",
 				     "nvidia,tegra210-aconnect";
-- 
2.7.4