linux-kernel - Re: [PATCH v4] arm64: dts: qcom: sc7280: Add lpasscore & lpassaudio clock controllers

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Message-ID: <YnF7b7n4Yn+NcP/b@google.com>
Date:   Tue, 3 May 2022 11:58:55 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Taniya Das <quic_tdas@...cinc.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Douglas Anderson <dianders@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] arm64: dts: qcom: sc7280: Add lpasscore & lpassaudio
 clock controllers

On Tue, May 03, 2022 at 05:02:46PM +0530, Taniya Das wrote:
> Add the low pass audio clock controller device nodes. Keep the lpasscc
> clock node disabled and enabled for lpass pil based devices.
> 
> Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
> ---
> [v4]
>  * Mark lpasscc[lpasscc@...0000] device node as "disabled".
> 
> [v3]
>  * Fix unwanted extra spaces in reg property.
>  * Fix lpass_aon node clock phandle <&lpasscc> to <&lpasscore>
> 
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 44 ++++++++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index f0b64be63c21..477a754741a1 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -8,6 +8,8 @@
>  #include <dt-bindings/clock/qcom,dispcc-sc7280.h>
>  #include <dt-bindings/clock/qcom,gcc-sc7280.h>
>  #include <dt-bindings/clock/qcom,gpucc-sc7280.h>
> +#include <dt-bindings/clock/qcom,lpassaudiocc-sc7280.h>
> +#include <dt-bindings/clock/qcom,lpasscorecc-sc7280.h>
>  #include <dt-bindings/clock/qcom,rpmh.h>
>  #include <dt-bindings/clock/qcom,videocc-sc7280.h>
>  #include <dt-bindings/gpio/gpio.h>
> @@ -1978,6 +1980,48 @@
>  			clocks = <&gcc GCC_CFG_NOC_LPASS_CLK>;
>  			clock-names = "iface";
>  			#clock-cells = <1>;
> +			status = "disabled";
> +		};
> +
> +		lpass_audiocc: clock-controller@...0000 {
> +			compatible = "qcom,sc7280-lpassaudiocc";
> +			reg = <0 0x03300000 0 0x30000>;
> +			clocks = <&rpmhcc RPMH_CXO_CLK>,
> +			       <&lpass_aon LPASS_AON_CC_MAIN_RCG_CLK_SRC>;
> +			clock-names = "bi_tcxo", "lpass_aon_cc_main_rcg_clk_src";
> +			power-domains = <&lpass_aon LPASS_AON_CC_LPASS_AUDIO_HM_GDSC>;
> +			#clock-cells = <1>;
> +			#power-domain-cells = <1>;
> +		};
> +
> +		lpass_aon: clock-controller@...0000 {
> +			compatible = "qcom,sc7280-lpassaoncc";
> +			reg = <0 0x03380000 0 0x30000>;
> +			clocks = <&rpmhcc RPMH_CXO_CLK>,
> +			       <&rpmhcc RPMH_CXO_CLK_A>,
> +			       <&lpasscore LPASS_CORE_CC_CORE_CLK>;
> +			clock-names = "bi_tcxo", "bi_tcxo_ao", "iface";
> +			#clock-cells = <1>;
> +			#power-domain-cells = <1>;
> +		};
> +
> +		lpasscore: clock-controller@...0000 {

nit: lpass_core?

The other labels have an underscore, it wouldn't hurt to be consistent.

> +			compatible = "qcom,sc7280-lpasscorecc";
> +			reg = <0 0x03900000 0 0x50000>;
> +			clocks =  <&rpmhcc RPMH_CXO_CLK>;
> +			clock-names = "bi_tcxo";
> +			power-domains = <&lpass_hm LPASS_CORE_CC_LPASS_CORE_HM_GDSC>;
> +			#clock-cells = <1>;
> +			#power-domain-cells = <1>;
> +		};
> +
> +		lpass_hm: clock-controller@...0000 {
> +			compatible = "qcom,sc7280-lpasshm";
> +			reg = <0 0x3c00000 0 0x28>;
> +			clocks = <&rpmhcc RPMH_CXO_CLK>;
> +			clock-names = "bi_tcxo";
> +			#clock-cells = <1>;
> +			#power-domain-cells = <1>;
>  		};
> 
>  		lpass_ag_noc: interconnect@...0000 {
> --
> Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
> of the Code Aurora Forum, hosted by the  Linux Foundation.
>