linux-kernel - Re: [PATCH 2/6] dt-bindings: PCI: mediatek-gen3: Allow exact number of clocks only

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Message-ID: <20241002203108.GA269428@bhelgaas>
Date: Wed, 2 Oct 2024 15:31:08 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Fei Shao <fshao@...omium.org>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	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: Re: [PATCH 2/6] dt-bindings: PCI: mediatek-gen3: Allow exact number
 of clocks only

On Wed, Sep 25, 2024 at 06:57:46PM +0800, Fei Shao wrote:
> 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")
> Signed-off-by: Fei Shao <fshao@...omium.org>

This patch only applied to pci/dt-bindings with Krzysztof K's
reviewed-by for v6.13, thank you!

> ---
> 
>  .../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:
> -- 
> 2.46.0.792.g87dc391469-goog
>