linux-kernel - Re: [PATCH 1/2] dt-bindings: phy: Introduce Qualcomm eDP/DP PHY binding

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Date:   Tue, 11 May 2021 10:24:06 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Rob Clark <robdclark@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Vinod Koul <vkoul@...nel.org>, sbillaka@...eaurora.org
Cc:     linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: phy: Introduce Qualcomm eDP/DP PHY binding

Quoting Bjorn Andersson (2021-05-10 21:19:29)
> diff --git a/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml
> new file mode 100644
> index 000000000000..c258e4f7e332
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml
> @@ -0,0 +1,69 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/phy/qcom,edp-phy.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Qualcomm DP/eDP PHY
> +
> +maintainers:
> +  - Bjorn Andersson <bjorn.andersson@...aro.org>
> +
> +description:
> +  The Qualcomm DP/eDP PHY is found in a number of Qualcomm platform and
> +  provides the physical interface for DisplayPort and Embedded Display Port.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,sc8180x-dp-phy
> +      - qcom,sc8180x-edp-phy
> +
> +  reg:
> +    items:
> +      - description: PHY base register block
> +      - description: tx0 register block
> +      - description: tx1 register block
> +      - description: PLL register block
> +
> +  clocks:
> +    maxItems: 2

Can this be items: - const: again? I think having maxItems means you can
have one or two items, which wouldn't match the number of clock-names
then.

> +
> +  clock-names:
> +    items:
> +      - const: aux
> +      - const: cfg_ahb
> +