[PATCH 6.12 472/826] dt-bindings: PCI: mediatek-gen3: Allow exact number of clocks only

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6.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Fei Shao <fshao@xxxxxxxxxxxx>

[ Upstream commit 5efa23224bf573d4bceb51bc646dd67b6ccb83b5 ]

In MediaTek PCIe gen3 bindings, "clocks" accepts a range of 1-6 clocks
across all SoCs. But in practice, each SoC requires a particular number of
clocks as defined in "clock-names", and the length of "clocks" and
"clock-names" can be inconsistent with current bindings.

For example:

  - MT8188, MT8192 and MT8195 all require 6 clocks, while the bindings
    accept 4-6 clocks.

  - MT7986 requires 4 clocks, while the bindings accept 4-6 clocks.

Update minItems and maxItems properties for individual SoCs as needed to
only accept the correct number of clocks.

Fixes: c6abd0eadec6 ("dt-bindings: PCI: mediatek-gen3: Add support for Airoha EN7581")
Link: https://lore.kernel.org/r/20240925110044.3678055-3-fshao@xxxxxxxxxxxx
Signed-off-by: Fei Shao <fshao@xxxxxxxxxxxx>
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 .../devicetree/bindings/pci/mediatek-pcie-gen3.yaml          | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
index 898c1be2d6a43..f05aab2b1addc 100644
--- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
@@ -149,7 +149,7 @@ allOf:
     then:
       properties:
         clocks:
-          minItems: 4
+          minItems: 6
 
         clock-names:
           items:
@@ -178,7 +178,7 @@ allOf:
     then:
       properties:
         clocks:
-          minItems: 4
+          minItems: 6
 
         clock-names:
           items:
@@ -207,6 +207,7 @@ allOf:
       properties:
         clocks:
           minItems: 4
+          maxItems: 4
 
         clock-names:
           items:
-- 
2.43.0







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