linux-kernel - Re: [PATCH v15 30/32] ARM: dts: aspeed: yosemite4: add SQ52205 support

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Message-ID: <CAMuHMdV80pF+rVhRWeeZy3tyZCr5y=qRWYm1Z655t3ULZJO=yA@mail.gmail.com>
Date: Fri, 6 Sep 2024 09:38:35 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
Cc: patrick@...cx.xyz, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>, 
	Andrew Jeffery <andrew@...econstruct.com.au>, Geert Uytterhoeven <geert+renesas@...der.be>, 
	Magnus Damm <magnus.damm@...il.com>, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org, 
	linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH v15 30/32] ARM: dts: aspeed: yosemite4: add SQ52205 support

Hi Delphine,

Thanks for your patch!

On Fri, Sep 6, 2024 at 8:35 AM Delphine CC Chiu
<Delphine_CC_Chiu@...ynn.com> wrote:
> Add SQ52205 in yosemite4 DTS.

Please explain.

> Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>


> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> @@ -1245,35 +1245,35 @@ adc@37 {
>         };
>
>         power-sensor@40 {
> -               compatible = "ti,ina233", "richtek,rtq6056";
> +               compatible = "ti,ina233", "richtek,rtq6056", "silergy,sq52205";

At first sight, this looks wrong.
However, these three all seem to be functionally equivalent power monitors.
Are they software compatible too?
There are also no DT bindings to guide us, except for the rtq6056 part.

>                 reg = <0x40>;
>                 resistor-calibration = /bits/ 16 <0x0400>;
>                 current-lsb= /bits/ 16 <0x0001>;
>         };

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds