linux-kernel - Re: [PATCH 1/2] arm64: dts: qcom: qcs8300: add DisplayPort device nodes

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Message-ID: <fcio2ikemgmvy636vpyvhth7qbzp43x2nebbo2qh7roalxjlvw@ssgsc5cfh4w3>
Date: Thu, 26 Dec 2024 21:57:37 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Yongxing Mou <quic_yongmou@...cinc.com>
Cc: Konrad Dybcio <konrad.dybcio@....qualcomm.com>, 
	Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Ritesh Kumar <quic_riteshk@...cinc.com>
Subject: Re: [PATCH 1/2] arm64: dts: qcom: qcs8300: add DisplayPort device
 nodes

On Thu, Dec 26, 2024 at 03:03:46PM +0800, Yongxing Mou wrote:
> 
> 
> On 2024/12/6 5:36, Konrad Dybcio wrote:
> > On 27.11.2024 11:45 AM, Yongxing Mou wrote:
> > 
> > > +
> > > +				clocks = <&dispcc MDSS_DISP_CC_MDSS_DPTX0_AUX_CLK>,
> > > +					 <&dispcc MDSS_DISP_CC_MDSS_AHB_CLK>;
> > > +				clock-names = "aux",
> > > +					      "cfg_ahb";
> > 
> > power-domains = <&rpmhpd RPMHPD_MX>;
> > 
> emm,we use RPMHPD_MMCX in qcs8300 mdss and dpu..
> > (or maybe even MXC?)

But it is a DP PHY, not a MDSS or DPU. Is the PLL being sourced by MMCX
or by MX?

-- 
With best wishes
Dmitry