linux-kernel - Re: [PATCHv1 3/5] dt-bindings: phy: rockchip: rk3588 has two reset lines

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Message-ID: <20230418204136.GA2299798-robh@kernel.org>
Date:   Tue, 18 Apr 2023 15:41:36 -0500
From:   Rob Herring <robh@...nel.org>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     Heiko Stuebner <heiko@...ech.de>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        linux-ide@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...labora.com
Subject: Re: [PATCHv1 3/5] dt-bindings: phy: rockchip: rk3588 has two reset
 lines

On Thu, Apr 13, 2023 at 08:23:43PM +0200, Sebastian Reichel wrote:
> The RK3588 has two reset lines for the combphy. One for the
> APB interface and one for the actual PHY.
> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> ---
>  .../bindings/phy/phy-rockchip-naneng-combphy.yaml          | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml
> index 9ae514fa7533..bac1aae07555 100644
> --- a/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml
> +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml
> @@ -31,8 +31,13 @@ properties:
>        - const: pipe
>  
>    resets:
> +    minItems: 1
> +    maxItems: 2
> +
> +  reset-names:
>      items:
> -      - description: exclusive PHY reset line
> +      - const: phy
> +      - const: apb

This will fail on any existing users with single entry. You need to add 
'minItems: 1' here.

It also fails if they didn't use 'phy' as the name, but names should be 
defined.

Rob