[PATCH v1 4/8] ARM: dts: aspeed: yosemite4: Revise address of i2c-mux for two fan boards

Andrew Jeffery andrew at codeconstruct.com.au
Tue Oct 1 10:39:22 AEST 2024


On Mon, 2024-09-30 at 15:04 +0800, Delphine CC Chiu wrote:
> From: Ricky CX Wu <ricky.cx.wu.wiwynn at gmail.com>
> 
> Change the address of the I2C mux for two fan boards to 0x74
> according to schematic.
> 
> Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn at gmail.com>
> Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu at wiwynn.com>
> ---
>  .../aspeed/aspeed-bmc-facebook-yosemite4.dts  | 80 ++++++++++---------
>  1 file changed, 43 insertions(+), 37 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 26e0fcbed8d2..ecf012c9cbbc 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> @@ -32,6 +32,8 @@ aliases {
>  		i2c27 = &imux27;
>  		i2c28 = &imux28;
>  		i2c29 = &imux29;
> +		i2c30 = &imux30;
> +		i2c31 = &imux31;
>  		i2c34 = &imux34;
>  		i2c35 = &imux35;
>  	};
> @@ -1062,6 +1064,8 @@ gpio at 23 {
>  };
>  
>  &i2c14 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
>  	status = "okay";
>  	bus-frequency = <400000>;
>  	adc at 1d {
> @@ -1122,20 +1126,50 @@ eeprom at 51 {
>  		reg = <0x51>;
>  	};
>  
> -	i2c-mux at 71 {
> -		compatible = "nxp,pca9846";
> +	i2c-mux at 73 {
> +		compatible = "nxp,pca9544";
>  		#address-cells = <1>;
>  		#size-cells = <0>;
>  
>  		idle-state = <0>;
>  		i2c-mux-idle-disconnect;
> -		reg = <0x71>;
> +		reg = <0x73>;
>  
>  		i2c at 0 {
>  			#address-cells = <1>;
>  			#size-cells = <0>;
>  			reg = <0>;
>  
> +			adc at 35 {
> +				compatible = "maxim,max11617";
> +				reg = <0x35>;
> +			};
> +		};
> +
> +		i2c at 1 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0>;
> +
> +			adc at 35 {
> +				compatible = "maxim,max11617";
> +				reg = <0x35>;
> +			};
> +		};
> +	};
> +
> +	i2c-mux at 74 {
> +		compatible = "nxp,pca9546";
> +		reg = <0x74>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		i2c-mux-idle-disconnect;
> +
> +		imux30: i2c at 0 {
> +			reg = <0>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
>  			adc at 1f {
>  				compatible = "ti,adc128d818";
>  				reg = <0x1f>;
> @@ -1152,6 +1186,8 @@ pwm at 20{
>  			gpio at 22{
>  				compatible = "ti,tca6424";
>  				reg = <0x22>;
> +				gpio-controller;
> +				#gpio-cells = <2>;

This seems unrelated. Such changes should be in their own patch with a
`Fixes:` tag.

>  			};
>  
>  			pwm at 23{
> @@ -1181,10 +1217,10 @@ gpio at 61 {
>  			};
>  		};
>  
> -		i2c at 1 {
> +		imux31: i2c at 1 {
> +			reg = <1>;
>  			#address-cells = <1>;
>  			#size-cells = <0>;
> -			reg = <0>;
>  
>  			adc at 1f {
>  				compatible = "ti,adc128d818";
> @@ -1202,6 +1238,8 @@ pwm at 20{
>  			gpio at 22{
>  				compatible = "ti,tca6424";
>  				reg = <0x22>;
> +				gpio-controller;
> +				#gpio-cells = <2>;

This should go in the same patch as the instance above.

>  			};
>  
>  			pwm at 23{
> @@ -1231,38 +1269,6 @@ gpio at 61 {
>  			};
>  		};
>  	};
> -
> -	i2c-mux at 73 {
> -		compatible = "nxp,pca9544";
> -		#address-cells = <1>;
> -		#size-cells = <0>;
> -
> -		idle-state = <0>;
> -		i2c-mux-idle-disconnect;
> -		reg = <0x73>;
> -
> -		i2c at 0 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			reg = <0>;
> -
> -			adc at 35 {
> -				compatible = "maxim,max11617";
> -				reg = <0x35>;
> -			};
> -		};
> -
> -		i2c at 1 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			reg = <0>;
> -
> -			adc at 35 {
> -				compatible = "maxim,max11617";
> -				reg = <0x35>;
> -			};
> -		};
> -	};
>  };
>  
>  &i2c15 {



More information about the Linux-aspeed mailing list