linux-kernel - Re: [PATCH v1 7/7] ARM: dts: aspeed: Harma: remove pca9546

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Date: Mon, 17 Jun 2024 17:11:27 +0930
From: Andrew Jeffery <andrew@...econstruct.com.au>
To: Peter Yin <peteryin.openbmc@...il.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>, 
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 7/7] ARM: dts: aspeed: Harma: remove pca9546

Hi Peter,

On Thu, 2024-06-13 at 23:24 +0800, Peter Yin wrote:
> remove pca9546 and add Aegis fru device

Is there some relationship between these two things? Can you elaborate?

You also add a couple of GPIO expanders that aren't mentioned here?

Andrew

> 
> Signed-off-by: Peter Yin <peteryin.openbmc@...il.com>
> ---
>  .../dts/aspeed/aspeed-bmc-facebook-harma.dts  | 56 +++++++++----------
>  1 file changed, 25 insertions(+), 31 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts
> index d892e646fced..4ff9e0104bbe 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts
> @@ -20,10 +20,6 @@ aliases {
>  		i2c21 = &imux21;
>  		i2c22 = &imux22;
>  		i2c23 = &imux23;
> -		i2c24 = &imux24;
> -		i2c25 = &imux25;
> -		i2c26 = &imux26;
> -		i2c27 = &imux27;
>  		i2c28 = &imux28;
>  		i2c29 = &imux29;
>  		i2c30 = &imux30;
> @@ -391,33 +387,6 @@ gpio@31 {
>  		"","","","";
>  	};
>  
> -	i2c-mux@71 {
> -		compatible = "nxp,pca9546";
> -		reg = <0x71>;
> -		#address-cells = <1>;
> -		#size-cells = <0>;
> -
> -		imux24: i2c@0 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			reg = <0>;
> -		};
> -		imux25: i2c@1 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			reg = <1>;
> -		};
> -		imux26: i2c@2 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			reg = <2>;
> -		};
> -		imux27: i2c@3 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			reg = <3>;
> -		};
> -	};
>  	// PTTV FRU
>  	eeprom@52 {
>  		compatible = "atmel,24c64";
> @@ -427,6 +396,31 @@ eeprom@52 {
>  
>  &i2c11 {
>  	status = "okay";
> +
> +	gpio@30 {
> +		compatible = "nxp,pca9555";
> +		reg = <0x30>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +	};
> +	gpio@31 {
> +		compatible = "nxp,pca9555";
> +		reg = <0x31>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		gpio-line-names =
> +		"","","","",
> +		"","","presence-cmm","",
> +		"","","","",
> +		"","","","";
> +	};
> +
> +	// Aegis FRU
> +	eeprom@52 {
> +		compatible = "atmel,24c64";
> +		reg = <0x52>;
> +	};
>  };
>  
>  &i2c12 {