linux-kernel - Re: [PATCH v4 2/2] phy: qcom: Introduce new eDP PHY driver

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Date:   Tue, 16 Nov 2021 22:47:29 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/2] phy: qcom: Introduce new eDP PHY driver

Quoting Bjorn Andersson (2021-11-03 16:44:10)
> Many recent Qualcomm platforms comes with native DP and eDP support.
> This consists of a controller in the MDSS and a QMP-like PHY.
>
> While similar to the well known QMP block, the eDP PHY only has TX lanes
> and the programming sequences are slightly different. Rather than
> continuing the trend of parameterize the QMP driver to pieces, this
> introduces the support as a new driver.
>
> The registration of link and pixel clocks are borrowed from the QMP
> driver. The non-DP link frequencies are omitted for now.
>
> The eDP PHY is very similar to the dedicated (non-USB) DP PHY, but only
> the prior is supported for now.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>