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Date:   Thu, 19 Oct 2023 09:26:57 -0500
From:   Bryan Brattlof <bb@ti.com>
To:     Vignesh Raghavendra <vigneshr@ti.com>
CC:     Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        ARM Linux Mailing List <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 1/2] arm64: dts: ti: k3-am62p: Add nodes for more IPs
Message-ID: <20231019142657.wxikbsz2s7qmjn2k@bryanbrattlof.com>
References: <20231018194839.2689377-1-bb@ti.com>
 <20231018194839.2689377-2-bb@ti.com>
 <e35d333a-7f24-4a3f-90e3-87bc859a18e3@ti.com>
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Hi Vignesh!

On October 19, 2023 thus sayeth Vignesh Raghavendra:
> 
> > diff --git a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
> > index aaf4b793b58e7..e37f19f7e58ea 100644
> > --- a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
> > @@ -6,17 +6,35 @@
> >  
> >  &cbass_wakeup {
> >  	wkup_conf: bus@43000000 {
> > -		bootph-all;
> >  		compatible = "simple-bus";
> >  		reg = <0x00 0x43000000 0x00 0x20000>;
> >  		#address-cells = <1>;
> >  		#size-cells = <1>;
> >  		ranges = <0x00 0x00 0x43000000 0x20000>;
> > +		bootph-all;
> >  
> >  		chipid: chipid@14 {
> > -			bootph-all;
> >  			compatible = "ti,am654-chipid";
> >  			reg = <0x14 0x4>;
> > +			bootph-all;
> > +		};
> > +
> > +		cpsw_efuse: syscon@200 {
> > +			compatible = "syscon", "simple-mfd";
> > +			reg = <0x200 0x4>;
> 
> This holds mac-address which is at least 48bits long
> 
> > +			bootph-all;
> > +		};
> > +
> > +		usb0_phy_pll_refclk: syscon@4008 {
> > +			compatible = "syscon", "simple-mfd";
> > +			reg = <0x4008 0x10>;
> > +			bootph-all;
> > +		};
> > +
> > +		usb1_phy_pll_refclk: syscon@4018 {
> > +			compatible = "syscon", "simple-mfd";
> > +			reg = <0x4018 0x10>;
> > +			bootph-all;
> 
> This adds new dtbs_check warnings:
> 
> +/workdir/arch/arm64/boot/dts/ti/k3-am62p5-sk.dtb: syscon@100000: $nodename:0: 'syscon@100000' does not match '^([a-z][a-z0-9\\-]+-bus|bus|localbus|soc|axi|ahb|apb)(@.+)?$'
> +/workdir/arch/arm64/boot/dts/ti/k3-am62p5-sk.dtb: syscon@200: compatible: ['syscon', 'simple-mfd'] is too short
> +/workdir/arch/arm64/boot/dts/ti/k3-am62p5-sk.dtb: syscon@4008: compatible: ['syscon', 'simple-mfd'] is too short
> +/workdir/arch/arm64/boot/dts/ti/k3-am62p5-sk.dtb: syscon@4018: compatible: ['syscon', 'simple-mfd'] is too short
>
> 
> I suggest to drop them for now.
> 
> Please add a new yamls for these nodes or single yaml for top level wkup_conf to 
> cover am62/62a/62p SoCs and then introduce the nodes accordingly
> 

Ah man I didn't see these warnings. Yeah dropping USB and CPSW may be 
the only way for now :/

Thanks again for the review Vignesh
~Bryan