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Date: Wed, 20 Dec 2023 14:00:14 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: andersson@kernel.org, vkoul@kernel.org, sboyd@kernel.org,
	mturquette@baylibre.com, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
	linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
	devicetree@vger.kernel.org, quic_cang@quicinc.com
Subject: Re: [PATCH v2 14/16] arm64: dts: qcom: sc8280xp: Fix UFS PHY clocks
Message-ID: <20231220083014.GB3544@thinkpad>
References: <20231218120712.16438-1-manivannan.sadhasivam@linaro.org>
 <20231218120712.16438-15-manivannan.sadhasivam@linaro.org>
 <e905c463-6f89-4939-981a-7a360ed31669@linaro.org>
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In-Reply-To: <e905c463-6f89-4939-981a-7a360ed31669@linaro.org>

On Wed, Dec 20, 2023 at 01:35:27AM +0100, Konrad Dybcio wrote:
> On 18.12.2023 13:07, Manivannan Sadhasivam wrote:
> > QMP PHY used in SC8280XP requires 3 clocks:
> > 
> > * ref - 19.2MHz reference clock from RPMh
> > * ref_aux - Auxiliary reference clock from GCC
> > * qref - QREF clock from GCC
> > 
> > Fixes: 152d1faf1e2f ("arm64: dts: qcom: add SC8280XP platform")
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > ---
> >  arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 18 ++++++++++++------
> >  1 file changed, 12 insertions(+), 6 deletions(-)
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> > index cad59af7ccef..37344abbe8bf 100644
> > --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> > @@ -2256,9 +2256,12 @@ ufs_mem_phy: phy@1d87000 {
> >  			compatible = "qcom,sc8280xp-qmp-ufs-phy";
> >  			reg = <0 0x01d87000 0 0x1000>;
> >  
> > -			clocks = <&gcc GCC_UFS_CARD_CLKREF_CLK>,
> > -				 <&gcc GCC_UFS_PHY_PHY_AUX_CLK>;
> > -			clock-names = "ref", "ref_aux";
> > +			clocks = <&rpmhcc RPMH_CXO_CLK>,
> > +				 <&gcc GCC_UFS_PHY_PHY_AUX_CLK>,
> > +				 <&gcc GCC_UFS_CARD_CLKREF_CLK>;
> GCC_UFS_REF_CLKREF_CLK

I'm not sure about this CLK. So I kept it as it is until I verify it.

- Mani

> 
> ?
> 
> Konrad

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