linux-kernel - [PATCH 3/4] dt-bindings: pci: apple,pcie: Add t6000 support

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Message-Id: <20211209051001.70235-4-marcan@marcan.st>
Date:   Thu,  9 Dec 2021 14:10:00 +0900
From:   Hector Martin <marcan@...can.st>
To:     Sven Peter <sven@...npeter.dev>, Rob Herring <robh+dt@...nel.org>
Cc:     Hector Martin <marcan@...can.st>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Mark Kettenis <kettenis@...nbsd.org>,
        Marc Zyngier <maz@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] dt-bindings: pci: apple,pcie: Add t6000 support

This new SoC is compatible with the existing driver, but the block
supports 4 downstream ports, so we need to adjust the binding to
allow that.

Signed-off-by: Hector Martin <marcan@...can.st>
---
 .../devicetree/bindings/pci/apple,pcie.yaml   | 28 ++++++++++++++-----
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/apple,pcie.yaml b/Documentation/devicetree/bindings/pci/apple,pcie.yaml
index ef1d424ec299..7f01e15fc81c 100644
--- a/Documentation/devicetree/bindings/pci/apple,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/apple,pcie.yaml
@@ -28,19 +28,17 @@ description: |
   distributed over the root ports as the OS sees fit by programming
   the PCIe controller's port registers.
 
-allOf:
-  - $ref: /schemas/pci/pci-bus.yaml#
-  - $ref: /schemas/interrupt-controller/msi-controller.yaml#
-
 properties:
   compatible:
     items:
-      - const: apple,t8103-pcie
+      - enum:
+          - apple,t8103-pcie
+          - apple,t6000-pcie
       - const: apple,pcie
 
   reg:
     minItems: 3
-    maxItems: 5
+    maxItems: 6
 
   reg-names:
     minItems: 3
@@ -50,6 +48,7 @@ properties:
       - const: port0
       - const: port1
       - const: port2
+      - const: port3
 
   ranges:
     minItems: 2
@@ -59,7 +58,7 @@ properties:
     description:
       Interrupt specifiers, one for each root port.
     minItems: 1
-    maxItems: 3
+    maxItems: 4
 
   msi-parent: true
 
@@ -81,6 +80,21 @@ required:
 
 unevaluatedProperties: false
 
+allOf:
+  - $ref: /schemas/pci/pci-bus.yaml#
+  - $ref: /schemas/interrupt-controller/msi-controller.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: apple,t8103-pcie
+    then:
+      properties:
+        reg:
+          maxItems: 5
+        interrupts:
+          maxItems: 3
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/apple-aic.h>
-- 
2.33.0