linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: sc7180: Fix UFS PHY clocks

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Date: Wed, 3 Apr 2024 19:24:33 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Danila Tikhonov <danila@...xyga.com>
Cc: andersson@...nel.org, konrad.dybcio@...aro.org, vkoul@...nel.org,
	kishon@...nel.org, robh@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	cros-qcom-dts-watchers@...omium.org, davidwronek@...il.com,
	linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: qcom: sc7180: Fix UFS PHY clocks

On Mon, Apr 01, 2024 at 09:22:40PM +0300, Danila Tikhonov wrote:
> QMP PHY used in SC7180 requires 3 clocks:
> 
> * ref - 19.2MHz reference clock from RPMh
> * ref_aux - Auxiliary reference clock from GCC
> * qref - QREF clock from GCC
> 
> While at it, let's move 'clocks' property before 'clock-names' to match
> the style used commonly.
> 
> Signed-off-by: Danila Tikhonov <danila@...xyga.com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

- Mani

> ---
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 2b481e20ae38..5c9ec8047f00 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -1585,9 +1585,12 @@ ufs_mem_phy: phy@...7000 {
>  			compatible = "qcom,sc7180-qmp-ufs-phy",
>  				     "qcom,sm7150-qmp-ufs-phy";
>  			reg = <0 0x01d87000 0 0x1000>;
> -			clocks = <&gcc GCC_UFS_MEM_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_MEM_CLKREF_CLK>;
> +			clock-names = "ref",
> +				      "ref_aux",
> +				      "qref";
>  			power-domains = <&gcc UFS_PHY_GDSC>;
>  			resets = <&ufs_mem_hc 0>;
>  			reset-names = "ufsphy";
> -- 
> 2.44.0
> 

-- 
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