Merge tag 'tegra-for-6.17-arm64-dt-v3' of https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes

arndb · arndb · commit 0c952efa0d7c · 2025-08-08T22:50:44.000+02:00
arm64: tegra: Device tree changes for v6.17-rc1 This contains an extra patch that drops numa-node-id properties that were added to the Tegra264 DT files by mistake. * tag 'tegra-for-6.17-arm64-dt-v3' of https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: arm64: tegra: Remove numa-node-id properties arm64: tegra: Add p3971-0089+p3834-0008 support arm64: tegra: Add memory controller on Tegra264 arm64: tegra: Add Tegra264 support dt-bindings: memory: tegra: Add Tegra264 support Link: https://lore.kernel.org/r/20250731162920.3329820-1-thierry.reding@gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
@@ -32,6 +32,7 @@ properties:
           - nvidia,tegra186-mc
           - nvidia,tegra194-mc
           - nvidia,tegra234-mc
+          - nvidia,tegra264-mc
 
   reg:
     minItems: 6
@@ -42,8 +43,12 @@ properties:
     maxItems: 18
 
   interrupts:
-    items:
-      - description: MC general interrupt
+    minItems: 1
+    maxItems: 8
+
+  interrupt-names:
+    minItems: 1
+    maxItems: 8
 
   "#address-cells":
     const: 2
@@ -74,6 +79,7 @@ patternProperties:
               - nvidia,tegra186-emc
               - nvidia,tegra194-emc
               - nvidia,tegra234-emc
+              - nvidia,tegra264-emc
 
       reg:
         minItems: 1
@@ -127,6 +133,15 @@ patternProperties:
             reg:
               minItems: 2
 
+      - if:
+          properties:
+            compatible:
+              const: nvidia,tegra264-emc
+        then:
+          properties:
+            reg:
+              minItems: 2
+
     additionalProperties: false
 
     required:
@@ -158,6 +173,12 @@ allOf:
             - const: ch2
             - const: ch3
 
+        interrupts:
+          items:
+            - description: MC general interrupt
+
+        interrupt-names: false
+
   - if:
       properties:
         compatible:
@@ -189,6 +210,12 @@ allOf:
             - const: ch14
             - const: ch15
 
+        interrupts:
+          items:
+            - description: MC general interrupt
+
+        interrupt-names: false
+
   - if:
       properties:
         compatible:
@@ -220,6 +247,59 @@ allOf:
             - const: ch14
             - const: ch15
 
+        interrupts:
+          items:
+            - description: MC general interrupt
+
+        interrupt-names: false
+
+  - if:
+      properties:
+        compatible:
+          const: nvidia,tegra264-mc
+    then:
+      properties:
+        reg:
+          minItems: 17
+          maxItems: 17
+          description: 17 memory controller channels
+
+        reg-names:
+          items:
+            - const: broadcast
+            - const: ch0
+            - const: ch1
+            - const: ch2
+            - const: ch3
+            - const: ch4
+            - const: ch5
+            - const: ch6
+            - const: ch7
+            - const: ch8
+            - const: ch9
+            - const: ch10
+            - const: ch11
+            - const: ch12
+            - const: ch13
+            - const: ch14
+            - const: ch15
+
+        interrupts:
+          minItems: 8
+          maxItems: 8
+          description: One interrupt line for each MC component
+
+        interrupt-names:
+          items:
+            - const: mcf
+            - const: hub1
+            - const: hub2
+            - const: hub3
+            - const: hub4
+            - const: hub5
+            - const: sbs
+            - const: channel
+
 additionalProperties: false
 
 required:
diff --git 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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+
+/ {
+};
diff --git a/arch/arm64/boot/dts/nvidia/tegra264.dtsi b/arch/arm64/boot/dts/nvidia/tegra264.dtsi
diff --git a/include/dt-bindings/memory/nvidia,tegra264.h b/include/dt-bindings/memory/nvidia,tegra264.h

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause`
	`2`	`+`
	`3`	`+#include "tegra264-p3971.dtsi"`
-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
 +// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
++
 +/ {
 +};