linux-kernel - [PATCH v2 2/8] dt-bindings: PCI: mediatek-gen3: Allow exact number of clocks only

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Message-ID: <20241001113052.3124869-3-fshao@chromium.org>
Date: Tue,  1 Oct 2024 19:27:20 +0800
From: Fei Shao <fshao@...omium.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: Fei Shao <fshao@...omium.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Jianjun Wang <jianjun.wang@...iatek.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Lorenzo Bianconi <lorenzo@...nel.org>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Rob Herring <robh@...nel.org>,
	Ryder Lee <ryder.lee@...iatek.com>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-mediatek@...ts.infradead.org,
	linux-pci@...r.kernel.org
Subject: [PATCH v2 2/8] dt-bindings: PCI: mediatek-gen3: Allow exact number of clocks only

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")
Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
Signed-off-by: Fei Shao <fshao@...omium.org>
---

(no changes since v1)

 .../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 898c1be2d6a4..f05aab2b1add 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:
-- 
2.46.1.824.gd892dcdcdd-goog