linux-kernel - Re: [PATCH v6 16/20] ARM: dts: aspeed: Add IBM P11 Fuji BMC system

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Date: Tue, 28 May 2024 09:47:15 -0500
From: Eddie James <eajames@...ux.ibm.com>
To: Ninad Palsule <ninad@...ux.ibm.com>, linux-fsi@...ts.ozlabs.org
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        lakshmiy@...ibm.com, linux-i2c@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-aspeed@...ts.ozlabs.org,
        andrew@...econstruct.com.au, joel@....id.au, robh@...nel.org,
        conor+dt@...nel.org, krzk+dt@...nel.org, andi.shyti@...nel.org,
        broonie@...nel.org
Subject: Re: [PATCH v6 16/20] ARM: dts: aspeed: Add IBM P11 Fuji BMC system


On 5/28/24 09:08, Ninad Palsule wrote:
>
> Hi Eddie,
>
>> +
>> +		led@6 {
>> +			reg = <6>;
>> +			default-state = "keep";
>> +			label = "opencapi-connector5";
>> +			retain-state-shutdown;
>> +			type = <PCA955X_TYPE_LED>;
>> +		};
> is led@7 not connected?


Correct.


>> +
>> +		led@8 {
>> +			reg = <8>;
>> +			default-state = "keep";
>> +			label = "vrm4";
>> +			retain-state-shutdown;
>> +			type = <PCA955X_TYPE_LED>;
>> +		};
>> +
>> +		led@9 {
>> +			reg = <9>;
>> +			default-state = "keep";
>> +			label = "vrm5";
>> +			retain-state-shutdown;
>> +			type = <PCA955X_TYPE_LED>;
>> +		};
>> +
>> +		led@10 {
>> +			reg = <10>;
>> +			default-state = "keep";
>> +			label = "vrm6";
>> +			retain-state-shutdown;
>> +			type = <PCA955X_TYPE_LED>;
>> +		};
>> +
>> +		led@11 {
>> +			reg = <11>;
>> +			default-state = "keep";
>> +			label = "vrm7";
>> +			retain-state-shutdown;
>> +			type = <PCA955X_TYPE_LED>;
>> +		};
>> +
>> +		led@12 {
>> +			reg = <12>;
>> +			default-state = "keep";
>> +			label = "vrm12";
>> +			retain-state-shutdown;
>> +			type = <PCA955X_TYPE_LED>;
>> +		};
> curious about label jump from vrm7 to vrm12.


vrm0-3 and 8-11 are on the previous pca chip. I believe this is correct 
based on the wiring in the spec, though the numberings are really just 
convention established by the guy who managed the LEDs on the system.


>> +			cfam4_i2c10: i2c-bus@a {
>> +				reg = <10>;	/* OP3A */
>> +				#address-cells = <1>;
>> +				#size-cells = <0>;
>> +
>> It will be more readable to have "reg" value in hex too. I have seen similar stuff in this FSI nodes. It will be consistent with other places.
>> +
>
> Reviewed-by: Ninad Palsule <ninad@...ux.ibm.com>
>

Sure, thanks!

Eddie