linux-kernel - [PATCH 17/17] arm64: tegra: Add support for NVIDIA Shield TV Pro 2019

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Message-Id: <20250714-t210b01-v1-17-e3f5f7de5dce@gmail.com>
Date: Mon, 14 Jul 2025 23:03:00 -0500
From: Aaron Kling via B4 Relay <devnull+webgeek1234.gmail.com@...nel.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>, Vinod Koul <vkoul@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Nagarjuna Kristam <nkristam@...dia.com>, JC Kuo <jckuo@...dia.com>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, 
 Daniel Lezcano <daniel.lezcano@...aro.org>, Zhang Rui <rui.zhang@...el.com>, 
 Lukasz Luba <lukasz.luba@....com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Mathias Nyman <mathias.nyman@...el.com>, 
 Peter De Schrijver <pdeschrijver@...dia.com>, 
 Prashant Gaikwad <pgaikwad@...dia.com>
Cc: devicetree@...r.kernel.org, linux-tegra@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org, 
 linux-usb@...r.kernel.org, Thierry Reding <treding@...dia.com>, 
 linux-pm@...r.kernel.org, linux-clk@...r.kernel.org, 
 Aaron Kling <webgeek1234@...il.com>
Subject: [PATCH 17/17] arm64: tegra: Add support for NVIDIA Shield TV Pro
 2019

From: Aaron Kling <webgeek1234@...il.com>

Add initial device-tree support for NVIDIA Shield TV Pro 2019 (a.k.a
MDarcy) based up the Tegra210B01 SoC with 3 GiB of LPDDR4 RAM.

This is very basic, intended for checking initial Tegra210B01 support.
More complete support for the device will be added later.

Signed-off-by: Aaron Kling <webgeek1234@...il.com>
---
 arch/arm64/boot/dts/nvidia/Makefile                |  1 +
 .../boot/dts/nvidia/tegra210b01-p2894-0050-a08.dts | 10 ++++
 arch/arm64/boot/dts/nvidia/tegra210b01-p2894.dtsi  | 70 ++++++++++++++++++++++
 3 files changed, 81 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/Makefile b/arch/arm64/boot/dts/nvidia/Makefile
index 0fbb8a494dba5089d9b7243e766bd6028b7f3744..bc6f3e268020b6fdbc90b2fb2ec1daf30c80af0e 100644
--- a/arch/arm64/boot/dts/nvidia/Makefile
+++ b/arch/arm64/boot/dts/nvidia/Makefile
@@ -20,6 +20,7 @@ dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2571.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p3450-0000.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-smaug.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2894-0050-a08.dtb
+dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210b01-p2894-0050-a08.dtb
 dtb-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186-p2771-0000.dtb
 dtb-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186-p3509-0000+p3636-0001.dtb
 dtb-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra194-p2972-0000.dtb
diff --git a/arch/arm64/boot/dts/nvidia/tegra210b01-p2894-0050-a08.dts b/arch/arm64/boot/dts/nvidia/tegra210b01-p2894-0050-a08.dts
new file mode 100644
index 0000000000000000000000000000000000000000..f18266b3d8ae341feaef5a1a911752f6a5ce2d0f
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra210b01-p2894-0050-a08.dts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "tegra210b01-p2894.dtsi"
+
+/ {
+	model = "NVIDIA Shield TV Pro 2019";
+	compatible = "nvidia,p2894-0050-a08", "nvidia,darcy", "nvidia,tegra210b01",
+		"nvidia,tegra210";
+};
diff --git a/arch/arm64/boot/dts/nvidia/tegra210b01-p2894.dtsi b/arch/arm64/boot/dts/nvidia/tegra210b01-p2894.dtsi
new file mode 100644
index 0000000000000000000000000000000000000000..97c9bd8f293539e76d57b6cfee49c60fb482d6ab
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra210b01-p2894.dtsi
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "tegra210b01.dtsi"
+
+/ {
+	aliases {
+		serial0 = &uarta;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@...00000 {
+		device_type = "memory";
+		reg = <0x0 0x80000000 0x0 0xc0000000>;
+	};
+
+	serial@...06000 {
+		/delete-property/ dmas;
+		/delete-property/ dma-names;
+		status = "okay";
+	};
+
+	pmc@...0e400 {
+		nvidia,invert-interrupt;
+		nvidia,suspend-mode = <0>;
+		nvidia,cpu-pwr-good-time = <0>;
+		nvidia,cpu-pwr-off-time = <0>;
+		nvidia,core-pwr-good-time = <4587 3876>;
+		nvidia,core-pwr-off-time = <39065>;
+		nvidia,core-power-req-active-high;
+		nvidia,sys-clock-req-active-high;
+		status = "okay";
+	};
+
+	mmc@...b0600 {
+		bus-width = <8>;
+		non-removable;
+		status = "okay";
+	};
+
+	clk32k_in: clock-32k {
+		compatible = "fixed-clock";
+		clock-frequency = <32768>;
+		#clock-cells = <0>;
+	};
+
+	cpus {
+		cpu@0 {
+			enable-method = "psci";
+		};
+
+		cpu@1 {
+			enable-method = "psci";
+		};
+
+		cpu@2 {
+			enable-method = "psci";
+		};
+
+		cpu@3 {
+			enable-method = "psci";
+		};
+	};
+
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+	};
+};

-- 
2.50.0