linux-kernel - Re: [PATCH] arm: dts: aspeed: Blueridge and Rainer: Add VRM presence GPIOs

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Message-ID: <d4196567fc62a24922794b02adad1b6c47750760.camel@codeconstruct.com.au>
Date: Mon, 11 Nov 2024 10:15:40 +1030
From: Andrew Jeffery <andrew@...econstruct.com.au>
To: Eddie James <eajames@...ux.ibm.com>, linux-aspeed@...ts.ozlabs.org
Cc: joel@....id.au, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org,  devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm: dts: aspeed: Blueridge and Rainer: Add VRM
 presence GPIOs

On Fri, 2024-11-08 at 08:58 -0600, Eddie James wrote:
> Add GPIO line names to the GPIO expander to describe DCM and
> VRM presence detection lines.
> 
> Signed-off-by: Eddie James <eajames@...ux.ibm.com>
> ---
>  arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-blueridge.dts | 4 ++--
>  arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-rainier.dts   | 4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-blueridge.dts
> b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-blueridge.dts
> index 5f9a46c2abb8..d504ae84db89 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-blueridge.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-blueridge.dts
> @@ -1232,8 +1232,8 @@ led-controller@60 {
>                 #gpio-cells = <2>;
>  
>                 gpio-line-names =
> -                       "", "", "", "", "", "", "", "",
> -                       "", "", "", "", "", "", "power-config-full-
> load", "";
> +                       "", "", "", "", "", "", "P10_DCM0_PRES",
> "P10_DCM1_PRES",
> +                       "", "", "", "", "PRESENT_VRM_DCM0_N",
> "PRESENT_VRM_DCM1_N", "power-config-full-load", "";
>         };

This ends up generating checkpatch warnings about long lines when I
apply it.

I did a quick, incomplete and random survey of some other devicetrees,
and perhaps exploding out like in [1] might help.

[1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d85b2ad35a2ab

>  
>         led-controller@61 {
> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-rainier.dts
> b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-rainier.dts
> index a4aec3010456..eefc69d0d032 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-rainier.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-rainier.dts
> @@ -1280,8 +1280,8 @@ pca_pres3: pca9552@60 {
>                 #gpio-cells = <2>;
>  
>                 gpio-line-names =
> -                       "", "", "", "", "", "", "", "",
> -                       "", "", "", "", "", "", "power-config-full-
> load", "";
> +                       "", "", "", "", "", "", "P10_DCM0_PRES",
> "P10_DCM1_PRES",
> +                       "", "", "", "", "PRESENT_VRM_DCM0_N",
> "PRESENT_VRM_DCM1_N", "power-config-full-load", "";

Similarly here.

Andrew