Thread (26 messages) 26 messages, 6 authors, 2022-11-21

Re: [PATCH v6 04/11] dt-bindings: PCI: mediatek-gen3: add SoC based clock config

From: Matthias Brugger <matthias.bgg@gmail.com>
Date: 2022-11-21 17:05:51
Also in: linux-devicetree, linux-mediatek, linux-pci, linux-phy, linux-usb, lkml


On 18/11/2022 20:01, Frank Wunderlich wrote:
From: Frank Wunderlich <redacted>

The PCIe driver covers different SOC which needing different clock
configs. Define them based on compatible.

Signed-off-by: Frank Wunderlich <redacted>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Jianjun Wang <redacted>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
quoted hunk ↗ jump to hunk
---
v2:
- fix typo in mediatek,mt8192-pcie
v3:
- remove contains to match only if compatible is no fallback
   tested with series "Add driver nodes for MT8195 SoC" and mt7986
   pcie-nodes, dtbs_check is now clean
---
  .../bindings/pci/mediatek-pcie-gen3.yaml      | 47 ++++++++++++++-----
  1 file changed, 35 insertions(+), 12 deletions(-)
diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
index c00be39af64e..5d7369debff2 100644
--- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
@@ -43,9 +43,6 @@ description: |+
    each set has its own address for MSI message, and supports 32 MSI vectors
    to generate interrupt.
  
-allOf:
-  - $ref: /schemas/pci/pci-bus.yaml#
-
  properties:
    compatible:
      oneOf:
@@ -84,15 +81,7 @@ properties:
      maxItems: 6
  
    clock-names:
-    items:
-      - const: pl_250m
-      - const: tl_26m
-      - const: tl_96m
-      - const: tl_32k
-      - const: peri_26m
-      - enum:
-          - top_133m        # for MT8192
-          - peri_mem        # for MT8188/MT8195
+    maxItems: 6
  
    assigned-clocks:
      maxItems: 1
@@ -138,6 +127,40 @@ required:
    - '#interrupt-cells'
    - interrupt-controller
  
+allOf:
+  - $ref: /schemas/pci/pci-bus.yaml#
+  - if:
+      properties:
+        compatible:
+          const: mediatek,mt8192-pcie
+    then:
+      properties:
+        clock-names:
+          items:
+            - const: pl_250m
+            - const: tl_26m
+            - const: tl_96m
+            - const: tl_32k
+            - const: peri_26m
+            - const: top_133m
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - mediatek,mt8188-pcie
+              - mediatek,mt8195-pcie
+    then:
+      properties:
+        clock-names:
+          items:
+            - const: pl_250m
+            - const: tl_26m
+            - const: tl_96m
+            - const: tl_32k
+            - const: peri_26m
+            - const: peri_mem
+
  unevaluatedProperties: false
  
  examples:
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