[PATCH v4 04/11] dt-bindings: PCI: mediatek-gen3: add SoC based clock config

Frank Wunderlich
2022-11-12T09:15:55Z

From: Frank Wunderlich <frank-w@public-files.de>

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

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Rob Herring <robh@kernel.org>
---
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:
--
2.34.1