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Message-ID: <8acfeaf2-2181-4ce7-5edb-1f23004dcd3a@linaro.org>
Date:   Sat, 24 Jun 2023 03:50:11 +0200
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Subject: Re: [PATCH 12/15] arm64: dts: qcom: sm6125: Switch fixed xo_board
 clock to RPM XO clock
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To:     Marijn Suijten <marijn.suijten@somainline.org>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Rob Clark <robdclark@gmail.com>,
        Abhinav Kumar <quic_abhinavk@quicinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Sean Paul <sean@poorly.run>, David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Krishna Manikandan <quic_mkrishn@quicinc.com>
Cc:     ~postmarketos/upstreaming@lists.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Martin Botka <martin.botka@somainline.org>,
        Jami Kettunen <jami.kettunen@somainline.org>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Krzysztof Kozlowski <krzk@kernel.org>,
        linux-clk@vger.kernel.org, dri-devel@lists.freedesktop.org,
        freedreno@lists.freedesktop.org, Lux Aliaga <they@mint.lgbt>
References: <20230624-sm6125-dpu-v1-0-1d5a638cebf2@somainline.org>
 <20230624-sm6125-dpu-v1-12-1d5a638cebf2@somainline.org>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
In-Reply-To: <20230624-sm6125-dpu-v1-12-1d5a638cebf2@somainline.org>
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Precedence: bulk

On 24.06.2023 02:41, Marijn Suijten wrote:
> We have a working RPM XO clock; no other driver except rpmcc should be
> parenting directly to the fixed-factor xo_board clock nor should it be
> reachable by that global name.  Remove the name to that effect, so that
> every clock relation is explicitly defined in DTS.
> 
> Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
>  arch/arm64/boot/dts/qcom/sm6125.dtsi | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm6125.dtsi b/arch/arm64/boot/dts/qcom/sm6125.dtsi
> index 722dde560bec..edb03508dba3 100644
> --- a/arch/arm64/boot/dts/qcom/sm6125.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm6125.dtsi
> @@ -22,7 +22,6 @@ xo_board: xo-board {
>  			compatible = "fixed-clock";
>  			#clock-cells = <0>;
>  			clock-frequency = <19200000>;
> -			clock-output-names = "xo_board";
>  		};
>  
>  		sleep_clk: sleep-clk {
> @@ -306,6 +305,8 @@ rpm_requests: rpm-requests {
>  			rpmcc: clock-controller {
>  				compatible = "qcom,rpmcc-sm6125", "qcom,rpmcc";
>  				#clock-cells = <1>;
> +				clocks = <&xo_board>;
> +				clock-names = "xo";
>  			};
>  
>  			rpmpd: power-controller {
> @@ -713,7 +714,7 @@ sdhc_1: mmc@4744000 {
>  
>  			clocks = <&gcc GCC_SDCC1_AHB_CLK>,
>  				 <&gcc GCC_SDCC1_APPS_CLK>,
> -				 <&xo_board>;
> +				 <&rpmcc RPM_SMD_XO_CLK_SRC>;
>  			clock-names = "iface", "core", "xo";
>  			iommus = <&apps_smmu 0x160 0x0>;
>  
> @@ -740,7 +741,7 @@ sdhc_2: mmc@4784000 {
>  
>  			clocks = <&gcc GCC_SDCC2_AHB_CLK>,
>  				 <&gcc GCC_SDCC2_APPS_CLK>,
> -				 <&xo_board>;
> +				 <&rpmcc RPM_SMD_XO_CLK_SRC>;
>  			clock-names = "iface", "core", "xo";
>  			iommus = <&apps_smmu 0x180 0x0>;
>  
>