From: "Jernej Škrabec" <jernej.skrabec@siol.net>
To: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/2] dt-bindings: arm: sunxi: add OrangePi 3 with eMMC
Date: Thu, 16 Jan 2020 00:10:58 +0100 [thread overview]
Message-ID: <4200557.LvFx2qVVIh@jernej-laptop> (raw)
In-Reply-To: <CAL_JsqK-KBd9PF7nKK976vVYjRwfm-ZxJSnEbhiWC=X3AnvpeA@mail.gmail.com>
Hi!
Dne sreda, 15. januar 2020 ob 22:57:31 CET je Rob Herring napisal(a):
> On Wed, Jan 15, 2020 at 1:42 PM Jernej Skrabec <jernej.skrabec@siol.net>
wrote:
> > OrangePi 3 can optionally have eMMC. Add a compatible for it.
>
> Is this just a population option or a different board layout? If the
> former, I don't think you need a new compatible, just add/enable a
> node for the eMMC.
I have only board with eMMC but I imagine it's the former. Even so, current
approach with Allwinner boards is to have two different board DT files, one for
each variant. This can be seen from Documentation/devicetree/bindings/arm/
sunxi.yaml which has a lot of compatibles ending with "-emmc". I guess reason
for that is to avoid having MMC controller being powered on for no reason.
Best regards,
Jernej
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next prev parent reply other threads:[~2020-01-15 23:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-15 19:42 [PATCH 0/2] arm64: dts: allwinner: h6: Introduce OrangePi 3 eMMC board Jernej Skrabec
2020-01-15 19:42 ` [PATCH 1/2] dt-bindings: arm: sunxi: add OrangePi 3 with eMMC Jernej Skrabec
2020-01-15 21:57 ` Rob Herring
2020-01-15 23:10 ` Jernej Škrabec [this message]
2020-01-16 12:29 ` Maxime Ripard
2020-01-16 16:33 ` Jernej Škrabec
2020-01-17 18:25 ` Maxime Ripard
2020-01-15 19:42 ` [PATCH 2/2] arm64: dts: allwinner: h6: Introduce OrangePi 3 eMMC variant Jernej Skrabec
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