openwrt/target/linux/starfive/patches-6.6/0014-dt-bindings-PCI-Add-PLDA-XpressRICH-PCIe-host-common.patch

From 708695ebf1a779de9a1fd2f72f7938afa6c14ada Mon Sep 17 00:00:00 2001
From: Minda Chen <minda.chen@starfivetech.com>
Date: Mon, 8 Jan 2024 19:05:51 +0800
Subject: [PATCH 014/116] dt-bindings: PCI: Add PLDA XpressRICH PCIe host
 common properties

Add PLDA XpressRICH PCIe host common properties dt-binding doc.
PolarFire PCIe host using PLDA IP. Move common properties from Microchip
PolarFire PCIe host to PLDA files.

Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Reviewed-by: Hal Feng <hal.feng@starfivetech.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Tested-by: John Clark <inindev@gmail.com>
---
 .../bindings/pci/microchip,pcie-host.yaml     | 55 +-------------
 .../pci/plda,xpressrich3-axi-common.yaml      | 75 +++++++++++++++++++
 2 files changed, 76 insertions(+), 54 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pci/plda,xpressrich3-axi-common.yaml

--- a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml
+++ b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml
@@ -10,21 +10,13 @@ maintainers:
   - Daire McNamara <daire.mcnamara@microchip.com>
 
 allOf:
-  - $ref: /schemas/pci/pci-bus.yaml#
+  - $ref: plda,xpressrich3-axi-common.yaml#
   - $ref: /schemas/interrupt-controller/msi-controller.yaml#
 
 properties:
   compatible:
     const: microchip,pcie-host-1.0 # PolarFire
 
-  reg:
-    maxItems: 2
-
-  reg-names:
-    items:
-      - const: cfg
-      - const: apb
-
   clocks:
     description:
       Fabric Interface Controllers, FICs, are the interface between the FPGA
@@ -52,18 +44,6 @@ properties:
     items:
       pattern: '^fic[0-3]$'
 
-  interrupts:
-    minItems: 1
-    items:
-      - description: PCIe host controller
-      - description: builtin MSI controller
-
-  interrupt-names:
-    minItems: 1
-    items:
-      - const: pcie
-      - const: msi
-
   ranges:
     maxItems: 1
 
@@ -71,39 +51,6 @@ properties:
     minItems: 1
     maxItems: 6
 
-  msi-controller:
-    description: Identifies the node as an MSI controller.
-
-  msi-parent:
-    description: MSI controller the device is capable of using.
-
-  interrupt-controller:
-    type: object
-    properties:
-      '#address-cells':
-        const: 0
-
-      '#interrupt-cells':
-        const: 1
-
-      interrupt-controller: true
-
-    required:
-      - '#address-cells'
-      - '#interrupt-cells'
-      - interrupt-controller
-
-    additionalProperties: false
-
-required:
-  - reg
-  - reg-names
-  - "#interrupt-cells"
-  - interrupts
-  - interrupt-map-mask
-  - interrupt-map
-  - msi-controller
-
 unevaluatedProperties: false
 
 examples:
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/plda,xpressrich3-axi-common.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/plda,xpressrich3-axi-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: PLDA XpressRICH PCIe host common properties
+
+maintainers:
+  - Daire McNamara <daire.mcnamara@microchip.com>
+  - Kevin Xie <kevin.xie@starfivetech.com>
+
+description:
+  Generic PLDA XpressRICH PCIe host common properties.
+
+allOf:
+  - $ref: /schemas/pci/pci-bus.yaml#
+
+properties:
+  reg:
+    maxItems: 2
+
+  reg-names:
+    items:
+      - const: cfg
+      - const: apb
+
+  interrupts:
+    minItems: 1
+    items:
+      - description: PCIe host controller
+      - description: builtin MSI controller
+
+  interrupt-names:
+    minItems: 1
+    items:
+      - const: pcie
+      - const: msi
+
+  msi-controller:
+    description: Identifies the node as an MSI controller.
+
+  msi-parent:
+    description: MSI controller the device is capable of using.
+
+  interrupt-controller:
+    type: object
+    properties:
+      '#address-cells':
+        const: 0
+
+      '#interrupt-cells':
+        const: 1
+
+      interrupt-controller: true
+
+    required:
+      - '#address-cells'
+      - '#interrupt-cells'
+      - interrupt-controller
+
+    additionalProperties: false
+
+required:
+  - reg
+  - reg-names
+  - interrupts
+  - msi-controller
+  - "#interrupt-cells"
+  - interrupt-map-mask
+  - interrupt-map
+
+additionalProperties: true
+
+...