linux-kernel - Re: [PATCH 3/4] dt-bindings: phy: Add binding for Mediatek MT8195 HDMI PHY

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Message-ID: <CAAOTY_8FC-sP0PP0Fv6G-2cwUDp6mDLx_3JmmSc144NSCyULXw@mail.gmail.com>
Date:   Thu, 23 Sep 2021 00:13:13 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Guillaume Ranquet <granquet@...libre.com>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>, CK Hu <ck.hu@...iatek.com>,
        Jitao shi <jitao.shi@...iatek.com>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        DTML <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-phy@...ts.infradead.org
Subject: Re: [PATCH 3/4] dt-bindings: phy: Add binding for Mediatek MT8195
 HDMI PHY

Hi, Guillaume:

Guillaume Ranquet <granquet@...libre.com> 於 2021年9月7日 週二 下午4:39寫道：
>
> Add bindings to describe Mediatek MT8195 HDMI PHY

Move this patch before the driver patch which reference this patch.

>
> Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
> ---
>  .../phy/mediatek,mtk8195-hdmi-phy.yaml        | 71 +++++++++++++++++++
>  1 file changed, 71 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi-phy.yaml

I think this file should be merged into mediatek,hdmi-phy.yaml [1].

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/phy/mediatek,hdmi-phy.yaml?h=v5.15-rc2

Regards,
Chun-Kuang.

>
> diff --git a/Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi-phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi-phy.yaml
> new file mode 100644
> index 000000000000..f03bd3af7fd8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi-phy.yaml
> @@ -0,0 +1,71 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2020 MediaTek
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/mediatek,hdmi-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek High Definition Multimedia Interface (HDMI) PHY binding for mt8195
> +
> +maintainers:
> +  - Chun-Kuang Hu <chunkuang.hu@...nel.org>
> +  - Philipp Zabel <p.zabel@...gutronix.de>
> +  - Chunfeng Yun <chunfeng.yun@...iatek.com>
> +
> +description: |
> +  The HDMI PHY serializes the HDMI encoder's three channel 10-bit parallel
> +  output and drives the HDMI pads.
> +
> +properties:
> +  $nodename:
> +    pattern: "^hdmi-phy@[0-9a-f]+$"
> +
> +  compatible:
> +    - const: mediatek,mt8195-hdmi-phy
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: PLL reference clock
> +
> +  clock-names:
> +    items:
> +      - const: hdmi_xtal_sel
> +
> +  clock-output-names:
> +    items:
> +      - const: hdmi_txpll
> +
> +  "#phy-cells":
> +    const: 0
> +
> +  "#clock-cells":
> +    const: 0
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - clock-output-names
> +  - "#phy-cells"
> +  - "#clock-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/mt8195-clk.h>
> +    hdmi_phy: hdmi-phy@...5f000 {
> +        compatible = "mediatek,mt8195-hdmi-phy";
> +        reg = <0 0x11d5f000 0 0x100>;
> +        clocks = <&topckgen CLK_TOP_HDMI_XTAL>;
> +        clock-names = "hdmi_xtal_sel";
> +        clock-output-names = "hdmi_txpll";
> +        #clock-cells = <0>;
> +        #phy-cells = <0>;
> +    };
> +
> +...
> --
> 2.31.1
>