linux-kernel - Re: [PATCH v4 2/3] dt-bindings: msm: dsi: document phy-type property for 7nm dsi phy

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Date:   Thu, 24 Jun 2021 15:31:19 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jonathan Marek <jonathan@...ek.ca>
Cc:     freedreno@...ts.freedesktop.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, Vinod Koul <vkoul@...nel.org>,
        Anurag Kumar Vulisha <anurag.kumar.vulisha@...inx.com>,
        Swapnil Jakhade <sjakhade@...ence.com>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <linux-arm-msm@...r.kernel.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <dri-devel@...ts.freedesktop.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 2/3] dt-bindings: msm: dsi: document phy-type property
 for 7nm dsi phy

On Thu, Jun 17, 2021 at 10:43:34AM -0400, Jonathan Marek wrote:
> Document a new phy-type property which will be used to determine whether
> the phy should operate in D-PHY or C-PHY mode.
> 
> Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> ---
>  .../devicetree/bindings/display/msm/dsi-phy-7nm.yaml         | 5 +++++
>  include/dt-bindings/phy/phy.h                                | 2 ++
>  2 files changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/dsi-phy-7nm.yaml b/Documentation/devicetree/bindings/display/msm/dsi-phy-7nm.yaml
> index c0077ca7e9e7..70809d1cac54 100644
> --- a/Documentation/devicetree/bindings/display/msm/dsi-phy-7nm.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/dsi-phy-7nm.yaml
> @@ -34,6 +34,11 @@ properties:
>      description: |
>        Connected to VDD_A_DSI_PLL_0P9 pin (or VDDA_DSI{0,1}_PLL_0P9 for sm8150)
>  
> +  phy-type:
> +    description: D-PHY (default) or C-PHY mode
> +    enum: [ 10, 11 ]
> +    default: 10
> +
>  required:
>    - compatible
>    - reg
> diff --git a/include/dt-bindings/phy/phy.h b/include/dt-bindings/phy/phy.h
> index 887a31b250a8..f48c9acf251e 100644
> --- a/include/dt-bindings/phy/phy.h
> +++ b/include/dt-bindings/phy/phy.h
> @@ -20,5 +20,7 @@
>  #define PHY_TYPE_XPCS		7
>  #define PHY_TYPE_SGMII		8
>  #define PHY_TYPE_QSGMII		9
> +#define PHY_TYPE_DPHY		10
> +#define PHY_TYPE_CPHY		11

I thought I recalled a suggestion to add 'MIPI_' in this. Or was there 
another similar patch? If not, I'm fine either way:

Acked-by: Rob Herring <robh@...nel.org>