linux-kernel - Re: [PATCH] arm64: dts: allwinner: h6: add PIO VCC bank supplies for Pine H64

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Message-ID: <20190502074303.g3px63n4v4o7xade@flea>
Date:   Thu, 2 May 2019 09:43:03 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Chen-Yu Tsai <wens@...e.org>, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH] arm64: dts: allwinner: h6: add PIO VCC bank supplies for
 Pine H64

Hi,

On Wed, Apr 24, 2019 at 02:25:43PM +0800, Icenowy Zheng wrote:
> The Allwinner H6 SoC features tweakable VCC for PC, PD, PG, PL and PM
> banks.
>
> This patch adds supplies for PC and PD banks on Pine H64 board. PG and
> PM banks are used for Wi-Fi and should be added when Wi-Fi is added

Not really. The regulator is still there, whether we use it or not. If
it's not used, then it will be left disabled so it doesn't really
change anything.

> PL bank is where PMIC is attached, and currently if a PMIC regulator
> is added for it a dependency loop will happen.

I guess we should fix that somehow

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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