linux-kernel - Re: [PATCH v12 10/28] ARM: dts: aspeed: yosemite4: Add power sensor for power module reading

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Message-ID: <729e650fc7716b8507b19d43979782a7f2c420cb.camel@codeconstruct.com.au>
Date: Mon, 19 Aug 2024 10:00:29 +0930
From: Andrew Jeffery <andrew@...econstruct.com.au>
To: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>, 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>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v12 10/28] ARM: dts: aspeed: yosemite4: Add power sensor
 for power module reading

On Fri, 2024-08-16 at 17:23 +0800, Delphine CC Chiu wrote:
> Add power sensor for power module reading
> 
> Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
> ---
>  .../aspeed/aspeed-bmc-facebook-yosemite4.dts  | 25 +++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> index 09bbbcb192f5..139a09de24cf 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> @@ -906,6 +906,11 @@ gpio@23 {
>  		"HSC7_ALERT2_R_N","HSC8_ALERT2_R_N";
>  	};
>  
> +	power-sensor@40 {
> +		compatible = "mps,mp5023";
> +		reg = <0x40>;
> +	};
> +

This appears to be supported by hmwon but there's no binding for the
driver[1]. I'm hesitant to accept it and add more warnings to the
Aspeed devicetrees, but at the same time I'm sympathetic to leaving it
in.

Can you perhaps send a patch for
Documentation/devicetree/bindings/trivial-devices.yaml along with this
series?

Andrew

[1]: https://lore.kernel.org/all/20211217155206.GA3015782@roeck-us.net/