linux-kernel - Re: [PATCH v2 14/16] arm64: dts: qcom: sc8280xp: Fix UFS PHY clocks

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Message-ID: <e905c463-6f89-4939-981a-7a360ed31669@linaro.org>
Date: Wed, 20 Dec 2023 01:35:27 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
 andersson@...nel.org, vkoul@...nel.org, sboyd@...nel.org,
 mturquette@...libre.com, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, quic_cang@...cinc.com
Subject: Re: [PATCH v2 14/16] arm64: dts: qcom: sc8280xp: Fix UFS PHY clocks

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@...aro.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@...7000 {
>  			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

?

Konrad