From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-f66.google.com ([209.85.221.66]:35305 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726086AbeKEGLI (ORCPT ); Mon, 5 Nov 2018 01:11:08 -0500 Subject: Re: [PATCH 2/2] arm64: dts: renesas: salvator: Switch eMMC bus to 1V8 To: Wolfram Sang , Simon Horman Cc: linux-mmc@vger.kernel.org, Marek Vasut , Geert Uytterhoeven , Yoshihiro Shimoda , linux-renesas-soc@vger.kernel.org References: <20181027163410.7417-1-marek.vasut+renesas@gmail.com> <20181027163410.7417-2-marek.vasut+renesas@gmail.com> <20181028213444.GA1096@kunai> <20181029085721.GC4101@kunai> <20181031124628.buaiuof5ssllalwo@verge.net.au> <20181031131409.GB1487@kunai> From: Marek Vasut Message-ID: Date: Sun, 4 Nov 2018 21:38:59 +0100 MIME-Version: 1.0 In-Reply-To: <20181031131409.GB1487@kunai> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-renesas-soc-owner@vger.kernel.org List-ID: 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