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

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Message-ID: <8CB1EDA4-E4B7-486D-8BCD-884E0025C6EA@aosc.io>
Date:   Thu, 02 May 2019 15:46:17 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     linux-arm-kernel@...ts.infradead.org,
        Maxime Ripard <maxime.ripard@...tlin.com>
CC:     devicetree@...r.kernel.org, Chen-Yu Tsai <wens@...e.org>,
        linux-sunxi@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: allwinner: h6: add PIO VCC bank supplies for Pine H64



于 2019年5月2日 GMT+08:00 下午3:43:03, Maxime Ripard <maxime.ripard@...tlin.com> 写到:
>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.

Okay, I will include them in the next revision.

>
>> 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

But this patch is needed for eMMC to be functional again in HS200 mode, so I hope
it can get applied before this get fixed.

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

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