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: <YhfFGIXF80wIfhNV@Ansuel-xps.localdomain>
Date:   Thu, 24 Feb 2022 18:49:12 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Jonathan McDowell <noodles@...th.li>
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 Tue, Feb 22, 2022 at 08:01:41PM +0000, Jonathan McDowell wrote:
> 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"
>

There is another series that introduce the label. Ideally it should be
merged before this. It's almost all reviewed so we should be good.

> > +			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.
> 
> -- 
>       Hats off to the insane.      |  .''`.  Debian GNU/Linux Developer
>                                    | : :' :  Happy to accept PGP signed
>                                    | `. `'   or encrypted mail - RSA
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-- 
	Ansuel