[PATCH 7/8] arm64: tegra: Add p3971-0089+p3834-0008 support

Thierry Reding thierry.reding at gmail.com
Wed May 7 07:38:01 PDT 2025


From: Thierry Reding <treding at nvidia.com>

The P3971-0089+P3834-0008 is an engineering reference platform for the
Tegra264 SoC.

Signed-off-by: Thierry Reding <treding at nvidia.com>
---
 arch/arm64/boot/dts/nvidia/Makefile           |  2 ++
 .../boot/dts/nvidia/tegra264-p3834-0008.dtsi  |  7 +++++
 .../arm64/boot/dts/nvidia/tegra264-p3834.dtsi | 30 +++++++++++++++++++
 .../nvidia/tegra264-p3971-0089+p3834-0008.dts | 11 +++++++
 .../dts/nvidia/tegra264-p3971-0089+p3834.dtsi | 14 +++++++++
 .../boot/dts/nvidia/tegra264-p3971-0089.dtsi  |  3 ++
 .../arm64/boot/dts/nvidia/tegra264-p3971.dtsi |  4 +++
 7 files changed, 71 insertions(+)
 create mode 100644 arch/arm64/boot/dts/nvidia/tegra264-p3834-0008.dtsi
 create mode 100644 arch/arm64/boot/dts/nvidia/tegra264-p3834.dtsi
 create mode 100644 arch/arm64/boot/dts/nvidia/tegra264-p3971-0089+p3834-0008.dts
 create mode 100644 arch/arm64/boot/dts/nvidia/tegra264-p3971-0089+p3834.dtsi
 create mode 100644 arch/arm64/boot/dts/nvidia/tegra264-p3971-0089.dtsi
 create mode 100644 arch/arm64/boot/dts/nvidia/tegra264-p3971.dtsi

diff --git a/arch/arm64/boot/dts/nvidia/Makefile b/arch/arm64/boot/dts/nvidia/Makefile
index 0fbb8a494dba..171e08c94d5a 100644
--- a/arch/arm64/boot/dts/nvidia/Makefile
+++ b/arch/arm64/boot/dts/nvidia/Makefile
@@ -12,6 +12,7 @@ DTC_FLAGS_tegra234-p3737-0000+p3701-0000 := -@
 DTC_FLAGS_tegra234-p3740-0002+p3701-0008 := -@
 DTC_FLAGS_tegra234-p3768-0000+p3767-0000 := -@
 DTC_FLAGS_tegra234-p3768-0000+p3767-0005 := -@
+DTC_FLAGS_tegra264-p3971-0089+p3834-0008 := -@
 
 dtb-$(CONFIG_ARCH_TEGRA_132_SOC) += tegra132-norrin.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2371-0000.dtb
@@ -31,3 +32,4 @@ dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-p3737-0000+p3701-0008.dtb
 dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-p3740-0002+p3701-0008.dtb
 dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-p3768-0000+p3767-0000.dtb
 dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-p3768-0000+p3767-0005.dtb
+dtb-$(CONFIG_ARCH_TEGRA_264_SOC) += tegra264-p3971-0089+p3834-0008.dtb
diff --git a/arch/arm64/boot/dts/nvidia/tegra264-p3834-0008.dtsi b/arch/arm64/boot/dts/nvidia/tegra264-p3834-0008.dtsi
new file mode 100644
index 000000000000..94ace6784749
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra264-p3834-0008.dtsi
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+
+#include "tegra264-p3834.dtsi"
+
+/ {
+	compatible = "nvidia,p3834-0008", "nvidia,tegra264";
+};
diff --git a/arch/arm64/boot/dts/nvidia/tegra264-p3834.dtsi b/arch/arm64/boot/dts/nvidia/tegra264-p3834.dtsi
new file mode 100644
index 000000000000..06795c82427a
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra264-p3834.dtsi
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+
+#include "tegra264.dtsi"
+
+/ {
+	compatible = "nvidia,p3834", "nvidia,tegra264";
+
+	aliases {
+	};
+
+	bus at 0 {
+		serial at c4e0000 {
+			status = "okay";
+		};
+
+		serial at c5a0000 {
+			status = "okay";
+		};
+	};
+
+	bus at 8100000000 {
+		iommu at 5000000 {
+			status = "okay";
+		};
+
+		iommu at 6000000 {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/nvidia/tegra264-p3971-0089+p3834-0008.dts b/arch/arm64/boot/dts/nvidia/tegra264-p3971-0089+p3834-0008.dts
new file mode 100644
index 000000000000..3a6f4b7e6b75
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra264-p3971-0089+p3834-0008.dts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+/dts-v1/;
+
+// module files must be included first
+#include "tegra264-p3834-0008.dtsi"
+#include "tegra264-p3971-0089+p3834.dtsi"
+
+/ {
+	model = "NVIDIA P3971-0089+P3834-0008 Engineering Reference Platform";
+	compatible = "nvidia,p3971-0089+p3834-0008", "nvidia,p3834-0008", "nvidia,tegra264";
+};
diff --git a/arch/arm64/boot/dts/nvidia/tegra264-p3971-0089+p3834.dtsi b/arch/arm64/boot/dts/nvidia/tegra264-p3971-0089+p3834.dtsi
new file mode 100644
index 000000000000..46cfa8f1da1c
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra264-p3971-0089+p3834.dtsi
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+
+#include "tegra264-p3971-0089.dtsi"
+
+/ {
+	aliases {
+		serial0 = &{/bus at 0/serial at c4e0000};
+		serial1 = &{/bus at 0/serial at c5a0000};
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
diff --git a/arch/arm64/boot/dts/nvidia/tegra264-p3971-0089.dtsi b/arch/arm64/boot/dts/nvidia/tegra264-p3971-0089.dtsi
new file mode 100644
index 000000000000..e8576cf2a0b6
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra264-p3971-0089.dtsi
@@ -0,0 +1,3 @@
+// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+
+#include "tegra264-p3971.dtsi"
diff --git a/arch/arm64/boot/dts/nvidia/tegra264-p3971.dtsi b/arch/arm64/boot/dts/nvidia/tegra264-p3971.dtsi
new file mode 100644
index 000000000000..6b6259b7310f
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra264-p3971.dtsi
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+
+/ {
+};
-- 
2.49.0




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