From: Marek Vasut <marek.vasut@gmail.com>
To: Wolfram Sang <wsa@the-dreams.de>, Simon Horman <horms@verge.net.au>
Cc: linux-mmc@vger.kernel.org,
Marek Vasut <marek.vasut+renesas@gmail.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: renesas: salvator: Switch eMMC bus to 1V8
Date: Sun, 4 Nov 2018 21:38:59 +0100 [thread overview]
Message-ID: <bf989a63-0c88-62d9-1d09-d5cc3176b985@gmail.com> (raw)
In-Reply-To: <20181031131409.GB1487@kunai>
On 10/31/2018 02:14 PM, Wolfram Sang wrote:
>
>> But can we discuss this in the context of describing the hardware?
>
> The SDHI node needs two kinds of pinmux settings, one for normal speeds
> and one for highspeeds. They might differ in supplied voltage, i.e. 3v3
> and 1v8. This eMMC always works with 1v8, so both settings needed by the
> SDHI node are the same currently. That might change if we add new
> features to pinmux nodes like TDSEL/capacity support. My guess is that
> this is not so likely to happen so I suggested using just one node.
>
> But it has a taste of bike-shedding to it :)
V2 is out, including the deduplication.
--
Best regards,
Marek Vasut
prev parent reply other threads:[~2018-11-05 6:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-27 16:34 [PATCH 1/2] arm64: dts: renesas: ulcb: Switch eMMC bus to 1V8 Marek Vasut
2018-10-27 16:34 ` [PATCH 2/2] arm64: dts: renesas: salvator: " Marek Vasut
2018-10-28 21:34 ` Wolfram Sang
2018-10-29 8:01 ` Marek Vasut
2018-10-29 8:57 ` Wolfram Sang
2018-10-31 12:46 ` Simon Horman
2018-10-31 13:03 ` Marek Vasut
2018-10-31 13:14 ` Wolfram Sang
2018-11-04 20:38 ` Marek Vasut [this message]
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