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From: Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
To: Vicente Bergas <vicencb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH] arm64: dts: rockchip: add fan on Sapphire board
Date: Tue, 30 Oct 2018 15:08:02 +0100	[thread overview]
Message-ID: <1769372.HH4RfzZdQ7@phil> (raw)
In-Reply-To: <20180930155033.31105-1-vicencb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Am Sonntag, 30. September 2018, 17:50:33 CET schrieb Vicente Bergas:
> The Sapphire board has a 12V fan. So, adding it to the DTS.
> There is no power supply directly connected, it needs the baseboard to
> work.
> If the board is used standalone then a hardware modification is needed.
> On the Sapphire board there is an unpopulated resistor to connect it to
> VBUS_TYPEC, which is usually 5V (too low) and can range up to 20V
> (too high).
> I tested it for a week connected to VCC_SYS which is 8.4V and proved to
> be more than enough for the required cooling needs. This is the
> connection described in the comment.
> 
> Signed-off-by: Vicente Bergas <vicencb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

applied for 4.21 (or whatever it will get called)


Thanks
Heiko

      parent reply	other threads:[~2018-10-30 14:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-30 15:50 [PATCH] arm64: dts: rockchip: add fan on Sapphire board Vicente Bergas
     [not found] ` <20180930155033.31105-1-vicencb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-10-22 13:28   ` Vicente Bergas
2018-10-30 14:08   ` Heiko Stuebner [this message]

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