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Message-ID: <CAE-0n52T9Z+LS3KMVeSBsad=Em3e27J=rEzHTB0WS-b5M=owFQ@mail.gmail.com>
Date: Fri, 15 Apr 2022 13:23:36 -0700
From: Stephen Boyd <swboyd@...omium.org>
To: Bjorn Andersson <bjorn.andersson@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Taniya Das <quic_tdas@...cinc.com>
Cc: Douglas Anderson <dianders@...omium.org>,
Andy Gross <agross@...nel.org>, devicetree@...r.kernel.org,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
Taniya Das <tdas@...eaurora.org>
Subject: Re: [PATCH v3] arm64: dts: qcom: sc7280: Add lpasscore & lpassaudio
clock controllers
Quoting Taniya Das (2022-02-01 21:32:07)
> Add the low pass audio clock controller device nodes.
>
> Signed-off-by: Taniya Das <tdas@...eaurora.org>
> ---
> * Fix unwanted extra spaces in reg property.
> * Fix lpass_aon node clock phandle <&lpasscc> to <&lpasscore>
>
> arch/arm64/boot/dts/qcom/sc7280.dtsi | 43 ++++++++++++++++++++++++++++
> 1 file changed, 43 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 937c2e0e93eb..0d8a0d9d0f89 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -1744,6 +1746,47 @@
> #clock-cells = <1>;
> };
>
> + 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>;
I see that this region overlaps with the third region of lpasscc@...0000
in this file. That means the driver for this clk controller doesn't
probe. I don't know what the correct fix is, but it's either remove this
node and move the driver contents to lpasscc or remove the region from
lpasscc and provide those clks from this node.
> + clocks = <&rpmhcc RPMH_CXO_CLK>,
> + <&rpmhcc RPMH_CXO_CLK_A>,
> + <&lpasscore LPASS_CORE_CC_CORE_CLK>;
> + clock-names = "bi_tcxo", "bi_tcxo_ao", "iface";
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