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 <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/Makefile b/arch/arm64/boot/dts/nvidia/Makefile
index 0fbb8a494dba5089d9b7243e766bd6028b7f3744..171e08c94d5a212b4ece0e6a782c9e7ad32b3835 100644 (file)
--- 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 (file)
index 0000000..94ace67
--- /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 (file)
index 0000000..06795c8
--- /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 (file)
index 0000000..3a6f4b7
--- /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 (file)
index 0000000..46cfa8f
--- /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 (file)
index 0000000..e8576cf
--- /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 (file)
index 0000000..6b6259b
--- /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
+
+/ {
+};