linux-kernel - Re: [PATCH] arm64: dts: qcom: qcs8300: Add support for clock controllers

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Message-ID: <802d32f1-ff7e-4d61-83f1-f804ee1750ed@oss.qualcomm.com>
Date: Sat, 30 Nov 2024 15:37:13 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Imran Shaik <quic_imrashai@...cinc.com>,
        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>
Cc: Ajit Pandey <quic_ajipan@...cinc.com>, Taniya Das
 <quic_tdas@...cinc.com>,
        Jagadeesh Kona <quic_jkona@...cinc.com>,
        Satya Priya Kakitapalli <quic_skakitap@...cinc.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: qcs8300: Add support for clock
 controllers

On 14.11.2024 12:05 PM, Imran Shaik wrote:
> Add support for GPU, Video, Camera and Display clock controllers on
> Qualcomm QCS8300 platform.
> 
> Signed-off-by: Imran Shaik <quic_imrashai@...cinc.com>
> ---
> Please note that this series is dependent on [1] and [2], which adds support
> for QCS8300 initial device tree and QCS8300 multi media clock controllers respectively.
> 
> [1] https://lore.kernel.org/all/20240925-qcs8300_initial_dtsi-v2-0-494c40fa2a42@quicinc.com/
> [2] https://lore.kernel.org/all/20241106-qcs8300-mm-patches-v3-0-f611a8f87f15@quicinc.com/ 
> ---
>  arch/arm64/boot/dts/qcom/qcs8300.dtsi | 59 +++++++++++++++++++++++++++++++++++
>  1 file changed, 59 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs8300.dtsi b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
> index 2c35f96c3f28..e43fada4acb5 100644
> --- a/arch/arm64/boot/dts/qcom/qcs8300.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
> @@ -5,6 +5,10 @@
>  
>  #include <dt-bindings/clock/qcom,qcs8300-gcc.h>
>  #include <dt-bindings/clock/qcom,rpmh.h>
> +#include <dt-bindings/clock/qcom,sa8775p-camcc.h>
> +#include <dt-bindings/clock/qcom,sa8775p-dispcc.h>
> +#include <dt-bindings/clock/qcom,sa8775p-gpucc.h>
> +#include <dt-bindings/clock/qcom,sa8775p-videocc.h>
>  #include <dt-bindings/interconnect/qcom,icc.h>
>  #include <dt-bindings/interconnect/qcom,qcs8300-rpmh.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
> @@ -772,6 +776,20 @@ lpass_ag_noc: interconnect@...0000 {
>  			qcom,bcm-voters = <&apps_bcm_voter>;
>  		};
>  
> +		gpucc: clock-controller@...0000 {
> +			compatible = "qcom,qcs8300-gpucc";
> +			reg = <0x0 0x03d90000 0x0 0xa000>;
> +			clocks = <&rpmhcc RPMH_CXO_CLK>,

Missing AHB clock

> +				 <&gcc GCC_GPU_GPLL0_CLK_SRC>,
> +				 <&gcc GCC_GPU_GPLL0_DIV_CLK_SRC>;
> +			clock-names = "bi_tcxo",
> +				      "gcc_gpu_gpll0_clk_src",
> +				      "gcc_gpu_gpll0_div_clk_src";
> +			#clock-cells = <1>;
> +			#reset-cells = <1>;
> +			#power-domain-cells = <1>;
> +		};
> +
>  		pmu@...1000 {
>  			compatible = "qcom,qcs8300-llcc-bwmon", "qcom,sc7280-llcc-bwmon";
>  			reg = <0x0 0x9091000 0x0 0x1000>;
> @@ -882,6 +900,47 @@ gem_noc: interconnect@...0000 {
>  			qcom,bcm-voters = <&apps_bcm_voter>;
>  		};
>  
> +		videocc: clock-controller@...0000 {
> +			compatible = "qcom,qcs8300-videocc";
> +			reg = <0x0 0x0abf0000 0x0 0x10000>;
> +			clocks = <&gcc GCC_VIDEO_AHB_CLK>,

And the ones you reference here and below are not registered with
the clock framework.. 

So please pick one

Konrad

Konrad