From d01e4f1e7aa8833f549ac61a0bbcdc395533269b Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Thu, 10 Jul 2025 01:13:59 +0200 Subject: [PATCH] arm64: tegra: Add p3971-0089+p3834-0008 support The P3971-0089+P3834-0008 is an engineering reference platform for the Tegra264 SoC. Link: https://lore.kernel.org/r/20250709231401.3767130-3-thierry.reding@gmail.com Signed-off-by: Thierry Reding --- 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 0fbb8a494dba5..171e08c94d5a2 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 0000000000000..94ace67847497 --- /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 0000000000000..06795c82427ad --- /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@0 { + serial@c4e0000 { + status = "okay"; + }; + + serial@c5a0000 { + status = "okay"; + }; + }; + + bus@8100000000 { + iommu@5000000 { + status = "okay"; + }; + + iommu@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 0000000000000..3a6f4b7e6b756 --- /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 0000000000000..46cfa8f1da1cc --- /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@0/serial@c4e0000}; + serial1 = &{/bus@0/serial@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 0000000000000..e8576cf2a0b68 --- /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 0000000000000..6b6259b7310fb --- /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 + +/ { +}; -- 2.47.2