linux-kernel - Re: [PATCH v2 10/18] ARM: dts: qcom: add saw for l2 cache and kraitcc for ipq8064

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Message-ID: <YhVBJaPR7a/E9n1B@earth.li>
Date:   Tue, 22 Feb 2022 20:01:41 +0000
From:   Jonathan McDowell <noodles@...th.li>
To:     Ansuel Smith <ansuelsmth@...il.com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 10/18] ARM: dts: qcom: add saw for l2 cache and
 kraitcc for ipq8064

On Fri, Feb 18, 2022 at 01:29:48AM +0100, Ansuel Smith wrote:
> Add saw compatible for l2 cache and kraitcc node for ipq8064 dtsi.
> Also declare clock-output-names for acc0 and acc1 and qsb fixed clock
> for the secondary mux.
> 
> Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
> ---
>  arch/arm/boot/dts/qcom-ipq8064.dtsi | 34 +++++++++++++++++++++++++++--
>  1 file changed, 32 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi
> index c579fb09e768..7df1c1482220 100644
> --- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
> +++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
> @@ -298,6 +298,12 @@ smem: smem@...00000 {
>  	};
>  
>  	clocks {
> +		qsb: qsb {
> +			compatible = "fixed-clock";
> +			clock-frequency = <384000000>;
> +			#clock-cells = <0>;
> +		};
> +
>  		cxo_board {
>  			compatible = "fixed-clock";
>  			#clock-cells = <0>;
> @@ -504,11 +510,19 @@ IRQ_TYPE_EDGE_RISING)>,
>  		acc0: clock-controller@...8000 {
>  			compatible = "qcom,kpss-acc-v1";
>  			reg = <0x02088000 0x1000>, <0x02008000 0x1000>;
> +			clock-output-names = "acpu0_aux";
> +			clocks = <&gcc PLL8_VOTE>, <&pxo_board>;

You need to add the pxo_board: label to the clock above or we get:

arch/arm/boot/dts/qcom-ipq8064.dtsi:645.34-652.5: ERROR (phandle_references): /soc/clock-controller@...8000: Reference to non-existent node or label "pxo_board"

arch/arm/boot/dts/qcom-ipq8064.dtsi:654.34-661.5: ERROR (phandle_references): /soc/clock-controller@...8000: Reference to non-existent node or label "pxo_board"

> +			clock-names = "pll8_vote", "pxo";
> +			#clock-cells = <0>;
>  		};
>  
>  		acc1: clock-controller@...8000 {
>  			compatible = "qcom,kpss-acc-v1";
>  			reg = <0x02098000 0x1000>, <0x02008000 0x1000>;
> +			clock-output-names = "acpu1_aux";
> +			clocks = <&gcc PLL8_VOTE>, <&pxo_board>;
> +			clock-names = "pll8_vote", "pxo";
> +			#clock-cells = <0>;
>  		};
>  
>  		adm_dma: dma-controller@...00000 {
> @@ -532,17 +546,23 @@ adm_dma: dma-controller@...00000 {
>  		};
>  
>  		saw0: regulator@...9000 {
> -			compatible = "qcom,saw2";
> +			compatible = "qcom,saw2", "qcom,apq8064-saw2-v1.1-cpu", "syscon";
>  			reg = <0x02089000 0x1000>, <0x02009000 0x1000>;
>  			regulator;
>  		};
>  
>  		saw1: regulator@...9000 {
> -			compatible = "qcom,saw2";
> +			compatible = "qcom,saw2", "qcom,apq8064-saw2-v1.1-cpu", "syscon";
>  			reg = <0x02099000 0x1000>, <0x02009000 0x1000>;
>  			regulator;
>  		};
>  
> +		saw_l2: regulator@...12000 {
> +			compatible = "qcom,saw2", "syscon";
> +			reg = <0x02012000 0x1000>;
> +			regulator;
> +		};
> +
>  		gsbi2: gsbi@...80000 {
>  			compatible = "qcom,gsbi-v1.0.0";
>  			cell-index = <2>;
> @@ -899,6 +919,16 @@ l2cc: clock-controller@...1000 {
>  			clock-output-names = "acpu_l2_aux";
>  		};
>  
> +		kraitcc: clock-controller {
> +			compatible = "qcom,krait-cc-v1";
> +			clocks = <&gcc PLL9>, <&gcc PLL10>, <&gcc PLL12>,
> +				 <&acc0>, <&acc1>, <&l2cc>, <&qsb>;
> +			clock-names = "hfpll0", "hfpll1", "hfpll_l2",
> +				      "acpu0_aux", "acpu1_aux", "acpu_l2_aux",
> +				      "qsb";
> +			#clock-cells = <1>;
> +		};
> +
>  		lcc: clock-controller@...00000 {
>  			compatible = "qcom,lcc-ipq8064";
>  			reg = <0x28000000 0x1000>;
> -- 
> 2.34.1
> 

J.

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