Skip to contentSkip to conversation

dt-bindings: PCI: Convert amazon,al-alpine-v[23]-pcie to DT schema

PATCH Applied Rob Herring (Arm) 2 participants 2 messages Jul 10, 2025 – Jul 17, 2025

Subsystems (5)
Device tree bindings PCI PCI native host bridge and endpoint drivers PCI driver for synopsys DesignWare +1 more subsystems
lore
Share & tools
lore

Rob Herring (Arm)

author maintainer
#0 lore raw

PATCH 1/1 dt-bindings: PCI: Convert amazon,al-alpine-v[23]-pcie to DT schema

Convert the Amazon Alpine PCIe binding to DT schema format. It's a straight forward conversion.

Signed-off-by Rob Herring (Arm) <[email protected]>
---
 .../pci/amazon,al-alpine-v3-pcie.yaml         | 71 +++++++++++++++++++
 .../devicetree/bindings/pci/pcie-al.txt       | 46 ------------
 .../devicetree/bindings/pci/snps,dw-pcie.yaml |  2 +-
 MAINTAINERS                                   |  2 +-
 4 files changed, 73 insertions(+), 48 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pci/amazon,al-alpine-v3-pcie.yaml
 delete mode 100644 Documentation/devicetree/bindings/pci/pcie-al.txt
Documentation/devicetree/bindings/pci/amazon,al-alpine-v3-pcie.yaml new file +71 -0
new file mode 100644
index 000000000000..45244cad5f30
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/amazon,al-alpine-v3-pcie.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amazon Annapurna Labs Alpine v3 PCIe Host Bridge
+
+maintainers:
+  - Jonathan Chocron <[email protected]>
+
+description:
+  Amazon's Annapurna Labs PCIe Host Controller is based on the Synopsys
+  DesignWare PCI controller.
+
+allOf:
+  - $ref: snps,dw-pcie.yaml#
+
+properties:
+  compatible:
+    enum:
+      - amazon,al-alpine-v2-pcie
+      - amazon,al-alpine-v3-pcie
+
+  reg:
+    items:
+      - description: PCIe ECAM space
+      - description: AL proprietary registers
+      - description: Designware PCIe registers
+
+  reg-names:
+    items:
+      - const: config
+      - const: controller
+      - const: dbi
+
+  interrupts:
+    maxItems: 1
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - reg-names
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    bus {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        pcie@fb600000 {
+            compatible = "amazon,al-alpine-v3-pcie";
+            reg = <0x0 0xfb600000 0x0 0x00100000
+                  0x0 0xfd800000 0x0 0x00010000
+                  0x0 0xfd810000 0x0 0x00001000>;
+            reg-names = "config", "controller", "dbi";
+            bus-range = <0 255>;
+            device_type = "pci";
+            #address-cells = <3>;
+            #size-cells = <2>;
+            #interrupt-cells = <1>;
+            interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+            interrupt-map-mask = <0x00 0 0 7>;
+            interrupt-map = <0x0000 0 0 1 &gic GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>; /* INTa */
+            ranges = <0x02000000 0x0 0xc0010000 0x0 0xc0010000 0x0 0x07ff0000>;
+        };
+    };
Documentation/devicetree/bindings/pci/pcie-al.txt deleted +0 -46

46 lines not on this page · raw message

Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml +1 -1
index 69e82f438f58..b3216141881c 100644
@@ -108,7 +108,7 @@ properties:
             - description: See native 'dbi' CSR region for details.
               enum: [ ctrl ]
             - description: See native 'elbi/app' CSR region for details.
-              enum: [ apb, mgmt, link, ulreg, appl ]
+              enum: [ apb, mgmt, link, ulreg, appl, controller ]
             - description: See native 'atu' CSR region for details.
               enum: [ atu_dma ]
             - description: Syscon-related CSR regions.
MAINTAINERS +1 -1
index a92290fffa16..17085b8a393f 100644
@@ -19232,7 +19232,7 @@ PCIE DRIVER FOR AMAZON ANNAPURNA LABS
 M:	Jonathan Chocron <[email protected]>
 L:	[email protected]
 S:	Maintained
-F:	Documentation/devicetree/bindings/pci/pcie-al.txt
+F:	Documentation/devicetree/bindings/pci/amazon,al-alpine-v3-pcie.yaml
 F:	drivers/pci/controller/dwc/pcie-al.c
 
 PCIE DRIVER FOR AMLOGIC MESON
Signature · 1 line
2.47.2
Applied
#1 lore raw
Quoted 4 lines · Rob Herring (Arm)

Convert the Amazon Alpine PCIe binding to DT schema format. It's a straight forward conversion.

Applied, thanks!

[1/1] dt-bindings: PCI: Convert amazon,al-alpine-v[23]-pcie to DT schema

      commit: a4fa6a0c4d26c8a68b288c833f53235ebce8b6e1

Best regards,

Signature · 1 line
Manivannan Sadhasivam <[email protected]>