linux-kernel - Re: [PATCH v1 2/5] ARM: dts: aspeed: yosemite4: remove led gpio pca9552 on fan boards

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Message-ID: <0e9483a19f916982ba6996b81c2f1254da3801f3.camel@codeconstruct.com.au>
Date: Fri, 27 Sep 2024 15:13:26 +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: Ricky CX Wu <ricky.cx.wu.wiwynn@...il.com>, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 2/5] ARM: dts: aspeed: yosemite4: remove led gpio
 pca9552 on fan boards

On Thu, 2024-09-26 at 11:28 +0800, Delphine CC Chiu wrote:
> From: Ricky CX Wu <ricky.cx.wu.wiwynn@...il.com>
> 
> Remove led gpio contorller: pca9552 on fan boards since there is
> no binding document for pca9552 currently.

That's not true, there is, just it's not converted to dt-schema:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/leds/leds-pca955x.txt?h=v6.11

So the nodes can stay, though they probably generate warnings. The
right way to fix this is to convert the binding document.

Andrew

> 
> Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn@...il.com>
> Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
> ---
>  .../aspeed/aspeed-bmc-facebook-yosemite4.dts   | 18 ------------------
>  1 file changed, 18 deletions(-)
> 
> 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 04f6378c2b5f..430c28bdd314 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> @@ -525,15 +525,6 @@ eeprom@52 {
>  				compatible = "atmel,24c128";
>  				reg = <0x52>;
>  			};
> -
> -			gpio@61 {
> -				compatible = "nxp,pca9552";
> -				reg = <0x61>;
> -				#address-cells = <1>;
> -				#size-cells = <0>;
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -			};
>  		};
>  
>  		imux31: i2c@1 {
> @@ -577,15 +568,6 @@ eeprom@52 {
>  				compatible = "atmel,24c128";
>  				reg = <0x52>;
>  			};
> -
> -			gpio@61 {
> -				compatible = "nxp,pca9552";
> -				reg = <0x61>;
> -				#address-cells = <1>;
> -				#size-cells = <0>;
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -			};
>  		};
>  	};
>  };