linux-kernel - Re: [PATCH] MIPS: DTS: CI20: fix otg power gpio

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Message-ID: <d2d59f33dca05239b73b4221262086bfb1ce9e98.camel@crapouillou.net>
Date:   Sun, 29 Jan 2023 18:08:46 +0000
From:   Paul Cercueil <paul@...pouillou.net>
To:     "H. Nikolaus Schaller" <hns@...delico.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        周琰杰 <zhouyanjie@...yeetech.com>
Cc:     linux-mips@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, letux-kernel@...nphoenux.org
Subject: Re: [PATCH] MIPS: DTS: CI20: fix otg power gpio

Hi Nikolaus,

Le dimanche 29 janvier 2023 à 18:48 +0100, H. Nikolaus Schaller a
écrit :
> According to schematics it is PF15 and not PF14 (MIC_SW_EN).
> Seems as if it was hidden and not noticed during testing since
> there is no sound DT node.
> 
> Fixes: 158c774d3c64 ("MIPS: Ingenic: Add missing nodes for Ingenic
> SoCs and boards.")
> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>

Looking at the schematics it looks like you are correct. So:
Acked-by: Paul Cercueil <paul@...pouillou.net>

I'm curious though, it is connected to the "SYS_POWER_IND" trace in the
schematic, which seems to also switch the main led between red and
blue, is that the case?

Cheers,
-Paul

> ---
>  arch/mips/boot/dts/ingenic/ci20.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/mips/boot/dts/ingenic/ci20.dts
> b/arch/mips/boot/dts/ingenic/ci20.dts
> index 9819abb2465dd..a276488c0f752 100644
> --- a/arch/mips/boot/dts/ingenic/ci20.dts
> +++ b/arch/mips/boot/dts/ingenic/ci20.dts
> @@ -115,7 +115,7 @@ otg_power: fixedregulator@2 {
>                 regulator-min-microvolt = <5000000>;
>                 regulator-max-microvolt = <5000000>;
>  
> -               gpio = <&gpf 14 GPIO_ACTIVE_LOW>;
> +               gpio = <&gpf 15 GPIO_ACTIVE_LOW>;
>                 enable-active-high;
>         };
>  };