linux-kernel - Re: [linux-sunxi] [PATCH] arm64: dts: allwinner: h6: beelink-gs1: Remove ext. 32 kHz osc reference

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Message-ID: <CAJiuCcc4hs781Hz_=tehcm4S2nci8e0DEJKeUY5ck=bpcgNUbg@mail.gmail.com>
Date:   Wed, 31 Mar 2021 15:43:37 +0200
From:   Clément Péron <peron.clem@...il.com>
To:     Jernej Skrabec <jernej.skrabec@...l.net>
Cc:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Rob Herring <robh+dt@...nel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [linux-sunxi] [PATCH] arm64: dts: allwinner: h6: beelink-gs1:
 Remove ext. 32 kHz osc reference

Hi Jernej,

On Tue, 30 Mar 2021 at 20:42, Jernej Skrabec <jernej.skrabec@...l.net> wrote:
>
> Although every Beelink GS1 seems to have external 32768 Hz oscillator,
> it works only on one from four tested. There are more reports of RTC
> issues elsewhere, like Armbian forum.
>
> One Beelink GS1 owner read RTC osc status register on Android which
> shipped with the box. Reported value indicated problems with external
> oscillator.
>
> In order to fix RTC and related issues (HDMI-CEC and suspend/resume with
> Crust) on all boards, switch to internal oscillator.
>
> Fixes: 32507b868119 ("arm64: dts: allwinner: h6: Move ext. oscillator to board DTs")
> Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>

Tested-by: Clément Péron <peron.clem@...il.com>

> ---
>  arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts | 4 ----
>  1 file changed, 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
> index 669d39fc716a..6249e9e02928 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
> @@ -289,10 +289,6 @@ sw {
>         };
>  };
>
> -&rtc {
> -       clocks = <&ext_osc32k>;
> -};
> -
>  &spdif {
>         status = "okay";
>  };
> --
> 2.31.0
>
> --
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