linux-kernel - Re: [PATCH v4] dt-bindings: PCI: mediatek-gen3: Add support for MT8188 and MT8195

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Date:   Wed, 17 Aug 2022 11:13:46 +0800
From:   Jianjun Wang <jianjun.wang@...iatek.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     <linux-pci@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Ryder Lee <ryder.lee@...iatek.com>, <Rex-BC.Chen@...iatek.com>,
        <TingHan.Shen@...iatek.com>, <Liju-clr.Chen@...iatek.com>,
        <Jian.Yang@...iatek.com>
Subject: Re: [PATCH v4] dt-bindings: PCI: mediatek-gen3: Add support for
 MT8188 and MT8195

Hi Maintainers,

Gentle ping for this patch, if there is anything I need to modify,
please kindly let me know.

Thanks.

On Tue, 2022-08-02 at 20:06 +0800, Jianjun Wang wrote:
> MT8188 and MT8195 are ARM platform SoCs with the same PCIe IP as
> MT8192.
> 
> Also add new clock name "peri_mem" since the MT8188 and MT8195 use
> clock
> "peri_mem" instead of "top_133m".
> 
> Signed-off-by: Jianjun Wang <jianjun.wang@...iatek.com>
> ---
> Changes in v4:
> Remove "items" for "mediatek,mt8192-pcie" since it only have one
> item.
> 
> Changes in v3:
> Use enum property to add the new clock name.
> 
> Changes in v2:
> Merge two patches into one.
> ---
>  .../devicetree/bindings/pci/mediatek-pcie-gen3.yaml | 13
> +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-
> gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-
> gen3.yaml
> index 0499b94627ae..c00be39af64e 100644
> --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> @@ -48,7 +48,13 @@ allOf:
>  
>  properties:
>    compatible:
> -    const: mediatek,mt8192-pcie
> +    oneOf:
> +      - items:
> +          - enum:
> +              - mediatek,mt8188-pcie
> +              - mediatek,mt8195-pcie
> +          - const: mediatek,mt8192-pcie
> +      - const: mediatek,mt8192-pcie
>  
>    reg:
>      maxItems: 1
> @@ -84,7 +90,9 @@ properties:
>        - const: tl_96m
>        - const: tl_32k
>        - const: peri_26m
> -      - const: top_133m
> +      - enum:
> +          - top_133m        # for MT8192
> +          - peri_mem        # for MT8188/MT8195
>  
>    assigned-clocks:
>      maxItems: 1
> @@ -126,6 +134,7 @@ required:
>    - interrupts
>    - ranges
>    - clocks
> +  - clock-names
>    - '#interrupt-cells'
>    - interrupt-controller
>