linux-kernel - Re: [PATCH v2 03/24] ARM: dts: qcom: msm8916: Use the header with DSI phy clock IDs

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Message-Id: <D916M5DUK1YC.282XEZ0TMSNEC@fairphone.com>
Date: Tue, 08 Apr 2025 12:23:18 +0200
From: "Luca Weiss" <luca.weiss@...rphone.com>
To: "Krzysztof Kozlowski" <krzysztof.kozlowski@...aro.org>, "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>,
 <cros-qcom-dts-watchers@...omium.org>
Cc: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>, "Neil Armstrong"
 <neil.armstrong@...aro.org>, "Dmitry Baryshkov" <lumag@...nel.org>
Subject: Re: [PATCH v2 03/24] ARM: dts: qcom: msm8916: Use the header with
 DSI phy clock IDs

On Tue Apr 8, 2025 at 11:32 AM CEST, Krzysztof Kozlowski wrote:
> Use the header with DSI phy clock IDs to make code more readable.

Hi Krzysztof,

This patch was the wrong subject, it's touching arm64, not arm32.

And thanks for sending this series, it's nice to see some magic numbers
disappear that make little sense if you don't know what it's about :)

Regards
Luca

>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/msm8916.dtsi | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> index 8f35c9af18782aa1da7089988692e6588c4b7c5d..c89f9e92e832eae8f630555e9e7f5817d6731d4d 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> @@ -4,6 +4,7 @@
>   */
>  
>  #include <dt-bindings/arm/coresight-cti-dt.h>
> +#include <dt-bindings/clock/qcom,dsi-phy-28nm.h>
>  #include <dt-bindings/clock/qcom,gcc-msm8916.h>
>  #include <dt-bindings/clock/qcom,rpmcc.h>
>  #include <dt-bindings/interconnect/qcom,msm8916.h>
> @@ -1497,8 +1498,8 @@ gcc: clock-controller@...0000 {
>  			reg = <0x01800000 0x80000>;
>  			clocks = <&xo_board>,
>  				 <&sleep_clk>,
> -				 <&mdss_dsi0_phy 1>,
> -				 <&mdss_dsi0_phy 0>,
> +				 <&mdss_dsi0_phy DSI_PIXEL_PLL_CLK>,
> +				 <&mdss_dsi0_phy DSI_BYTE_PLL_CLK>,
>  				 <0>,
>  				 <0>,
>  				 <0>;
> @@ -1590,8 +1591,8 @@ mdss_dsi0: dsi@...8000 {
>  
>  				assigned-clocks = <&gcc BYTE0_CLK_SRC>,
>  						  <&gcc PCLK0_CLK_SRC>;
> -				assigned-clock-parents = <&mdss_dsi0_phy 0>,
> -							 <&mdss_dsi0_phy 1>;
> +				assigned-clock-parents = <&mdss_dsi0_phy DSI_BYTE_PLL_CLK>,
> +							 <&mdss_dsi0_phy DSI_PIXEL_PLL_CLK>;
>  
>  				clocks = <&gcc GCC_MDSS_MDP_CLK>,
>  					 <&gcc GCC_MDSS_AHB_CLK>,