linux-kernel - Re: [PATCH 3/4] MIPS: GCW0: Adjust pinctrl related code in device tree.

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Message-Id: <9US3VQ.SK89X0OFZC2Z2@opendingux.net>
Date:   Tue, 22 Jun 2021 13:46:57 +0100
From:   Paul Cercueil <paul@...ndingux.net>
To:     周琰杰 <zhouyanjie@...yeetech.com>
Cc:     tsbogend@...ha.franken.de, robh+dt@...nel.org,
        linux-mips@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dongsheng.qiu@...enic.com,
        aric.pzqi@...enic.com, rick.tyliu@...enic.com,
        sihui.liu@...enic.com, jun.jiang@...enic.com,
        sernia.zhou@...mail.com
Subject: Re: [PATCH 3/4] MIPS: GCW0: Adjust pinctrl related code in device
 tree.

Hi Zhou,

Le mar., juin 22 2021 at 15:37:24 +0800, 周琰杰 (Zhou Yanjie) 
<zhouyanjie@...yeetech.com> a écrit :
> Change the "lcd-24bit" in the pinctrl groups to "lcd-8bit",
> "lcd-16bit", "lcd-18bit", "lcd-24bit", since the pinctrl
> driver has done the necessary splitting of the lcd group,
> and it is convenient to further streamline the lcd-24bit
> group in the subsequent pinctrl driver.
> 
> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
> ---
>  arch/mips/boot/dts/ingenic/gcw0.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/mips/boot/dts/ingenic/gcw0.dts 
> b/arch/mips/boot/dts/ingenic/gcw0.dts
> index f4c04f2..dec3ba6f 100644
> --- a/arch/mips/boot/dts/ingenic/gcw0.dts
> +++ b/arch/mips/boot/dts/ingenic/gcw0.dts
> @@ -393,7 +393,7 @@
>  &pinctrl {
>  	pins_lcd: lcd {
>  		function = "lcd";
> -		groups = "lcd-24bit";
> +		groups = "lcd-8bit", "lcd-16bit", "lcd-18bit", "lcd-24bit";

No, I'm pretty sure this won't work, since "lcd-24bit" contains pins 
that are also contained by the other groups.

-Paul

>  	};
> 
>  	pins_uart2: uart2 {
> --
> 2.7.4
>