From mboxrd@z Thu Jan  1 00:00:00 1970
From: Simon Horman <horms@verge.net.au>
Subject: Re: [PATCH V3] arm64: dts: r8a77990: ebisu: Add and enable SDHI
 device nodes
Date: Wed, 9 Jan 2019 13:32:59 +0100
Message-ID: <20190109123259.cpql62omcvypafdu@verge.net.au>
References: <20181106204647.18051-1-marek.vasut+renesas@gmail.com>
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To: Marek Vasut <marek.vasut@gmail.com>
Cc: devicetree@vger.kernel.org, Takeshi Kihara <takeshi.kihara.df@renesas.com>, Geert Uytterhoeven <geert+renesas@glider.be>, Wolfram Sang <wsa@the-dreams.de>, Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>, linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Marek Vasut <marek.vasut+renesas@gmail.com>
List-Id: devicetree@vger.kernel.org

On Wed, Jan 09, 2019 at 01:02:00PM +0100, Marek Vasut wrote:
> On 1/9/19 11:57 AM, Wolfram Sang wrote:
> >> [    3.373714] renesas_sdhi_internal_dmac ee100000.sd: mmc0 base at 0xee100000 max clock rate 200 MHz
> >> [    3.456829] renesas_sdhi_internal_dmac ee120000.sd: mmc1 base at 0xee120000 max clock rate 200 MHz
> > 
> > No mmc2 initialized. That should work regardless of eMMC. Probably
> > something wrong in the DT somewhere.
> 
> Weird, it worked in next-20181102 with these patches, I just rechecked:
> 
> 7818a9f06df1 mmc: renesas_sdhi: Whitelist R8A77990 SDHI
> a05a906776f8 pinctrl: sh-pfc: r8a77990: Add voltage switch operations
> for SDHI
> 2cc9d3a293e9 pinctrl: sh-pfc: r8a77990: Add SDHI pins, groups and functions
> 6b8d151613b7 pinctrl: sh-pfc: r8a77990: Add Audio SSI pins, groups and
> functions
> 9167b22938f7 pinctrl: sh-pfc: r8a77990: Add Audio clock pins, groups and
> functions
> 000cc50fc942 arm64: dts: r8a77990-ebisu: Enable HS200 of SDHI3
> d3f59bbbf7ce arm64: dts: r8a77990-ebisu: Enable eMMC of SDHI3
> 5928c59bff8d arm64: dts: r8a77990-ebisu: Enable UHS-I of SDHI0 and SDHI1
> dae32a3172b8 arm64: dts: r8a77990-ebisu: Enable SD card of SDHI0 and SDHI1
> 8feef039c6c6 arm64: dts: r8a77990: Add SDHI device nodes
> 25e9471b6a27 (tag: next-20181102) Add linux-next specific files for 20181102
> 
> I'll let you know once I figure it out.

Could it be related to potentially old U-Boot etc.. on the board I am using?