linux-kernel - Re: [PATCH v1 3/4] dt-bindings: PCI: dwc: rockchip: Update for RK3588

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Message-ID: <tcwgwwyx5lvoowp2bxkaemfp7eefbvmfzwprcml7wmtrwadxtm@et2ofo64cru2>
Date:   Tue, 27 Jun 2023 16:15:12 +0300
From:   Serge Semin <fancer.lancer@...il.com>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     linux-pci@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        Jingoo Han <jingoohan1@...il.com>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Simon Xue <xxm@...k-chips.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kernel@...labora.com
Subject: Re: [PATCH v1 3/4] dt-bindings: PCI: dwc: rockchip: Update for RK3588

On Fri, Jun 16, 2023 at 07:00:21PM +0200, Sebastian Reichel wrote:
> The PCIe 2.0 controllers on RK3588 need one additional clock,
> one additional reset line and one for ranges entry.

Just a nitpick: it would be perfect to have these new items evaluated
compatible-string conditionally. Anyway:

Reviewed-by: Serge Semin <fancer.lancer@...il.com>

-Serge(y)

> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> ---
>  .../bindings/pci/rockchip-dw-pcie.yaml           | 16 +++++++++++++---
>  1 file changed, 13 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> index bf81d306cc80..7897af0ec297 100644
> --- a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> @@ -41,20 +41,24 @@ properties:
>        - const: config
>  
>    clocks:
> +    minItems: 5
>      items:
>        - description: AHB clock for PCIe master
>        - description: AHB clock for PCIe slave
>        - description: AHB clock for PCIe dbi
>        - description: APB clock for PCIe
>        - description: Auxiliary clock for PCIe
> +      - description: PIPE clock
>  
>    clock-names:
> +    minItems: 5
>      items:
>        - const: aclk_mst
>        - const: aclk_slv
>        - const: aclk_dbi
>        - const: pclk
>        - const: aux
> +      - const: pipe
>  
>    interrupts:
>      maxItems: 5
> @@ -97,13 +101,19 @@ properties:
>      maxItems: 1
>  
>    ranges:
> -    maxItems: 2
> +    minItems: 2
> +    maxItems: 3
>  
>    resets:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2
>  
>    reset-names:
> -    const: pipe
> +    oneOf:
> +      - const: pipe
> +      - items:
> +          - const: pwr
> +          - const: pipe
>  
>    vpcie3v3-supply: true
>  
> -- 
> 2.39.2
>