linux-kernel - Re: [PATCH] arm64: dts: sdm845: Add lpasscc node

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Date:   Tue, 15 Jan 2019 22:09:10 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Taniya Das <tdas@...eaurora.org>
Cc:     Andy Gross <andy.gross@...aro.org>, linux-arm-msm@...r.kernel.org,
        Stephen Boyd <sboyd@...nel.org>,
        Douglas Anderson <dianders@...omium.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>, david.brown@...aro.org,
        Mark Rutland <mark.rutland@....com>, linux-soc@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: sdm845: Add lpasscc node

On Wed 05 Dec 00:00 PST 2018, Taniya Das wrote:

> This adds the low pass audio clock controller node to sdm845 based on
> the example in the bindings.
> 

Applying this causes my MTP to reboot as clk_disable_unused() tries to
disable "lpass_qdsp6ss_core_clk". Am I missing something?

Regards,
Bjorn

> Signed-off-by: Taniya Das <tdas@...eaurora.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 4 +++-
>  arch/arm64/boot/dts/qcom/sdm845.dtsi    | 8 ++++++++
>  2 files changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> index b3def03..cf73f3c 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> @@ -346,7 +346,9 @@
>  &gcc {
>  	protected-clocks = <GCC_QSPI_CORE_CLK>,
>  			   <GCC_QSPI_CORE_CLK_SRC>,
> -			   <GCC_QSPI_CNOC_PERIPH_AHB_CLK>;
> +			   <GCC_QSPI_CNOC_PERIPH_AHB_CLK>,
> +			   <GCC_LPASS_Q6_AXI_CLK>,
> +			   <GCC_LPASS_SWAY_CLK>;
>  };
> 
>  &i2c10 {
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 1419b00..a3db089 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -7,6 +7,7 @@
> 
>  #include <dt-bindings/clock/qcom,dispcc-sdm845.h>
>  #include <dt-bindings/clock/qcom,gcc-sdm845.h>
> +#include <dt-bindings/clock/qcom,lpass-sdm845.h>
>  #include <dt-bindings/clock/qcom,rpmh.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/phy/phy-qcom-qusb2.h>
> @@ -1264,6 +1265,13 @@
>  			#power-domain-cells = <1>;
>  		};
> 
> +		lpasscc: clock-controller@...14000 {
> +			compatible = "qcom,sdm845-lpasscc";
> +			reg = <0x17014000 0x1f004>, <0x17300000 0x200>;
> +			reg-names = "cc", "qdsp6ss";
> +			#clock-cells = <1>;
> +		};
> +
>  		tsens0: thermal-sensor@...3000 {
>  			compatible = "qcom,sdm845-tsens", "qcom,tsens-v2";
>  			reg = <0xc263000 0x1ff>, /* TM */
> --
> Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
> of the Code Aurora Forum, hosted by the  Linux Foundation.
>