From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH v5 0/13] arm64: allwinner: a64: Enable MMC support Date: Mon, 30 Jan 2017 12:06:29 +0100 Message-ID: <20170130110629.i4q73p5svvd7nly2@lukather> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="bi5wtywif5bmdxgc" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Chen-Yu Tsai , Ulf Hansson Cc: Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, Andre Przywara List-Id: devicetree@vger.kernel.org --bi5wtywif5bmdxgc Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 27, 2017 at 10:38:32PM +0100, Maxime Ripard wrote: > Hi, >=20 > Here is a new attempt at getting the MMC controllers running, following t= he > work done by Andre. >=20 > This has been tested on a board with one SDIO device (a Marvell WiFi chip) > and a Kingston eMMC with 1.8V IOs. >=20 > For SDIO, the HS DDR mode works just fine. That serie also enables the > SDR104 mode to work on the devices that are capable of this. >=20 > For the eMMC, HS200 with the voltage switch works. HS400 doesn't at the > moment, but since it's significantly more complex, and at the same time > Allwinner recommends to limit its frequency to 100MHz, this doesn't have > any benefits. If there's any at some point, this can be added later. >=20 > Let me know what you think, > Maxime Applied the DT bits with Chen-Yu's Acked-by. Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com --bi5wtywif5bmdxgc Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIcBAEBCAAGBQJYjx41AAoJEBx+YmzsjxAgQ6EP/RxQXfQC5HXfdQXN7aGpTTc1 3rckLrjgL00SxHwjKw4jTTrBlWycGpmLO668z3xZ7dXkdPHkaR56161U78BqELop CYLGTjhPbZjvCvPugwZ/u7QlADiaTwVUhKwmkI5pxeU7ARtLRfhNYbyaUpZmyFXy rAPosMb1/D45dwvGC8pKxj1gHOB3O4c3gtr+1mpKkHFlKeJBa7VVsiUN6cBbNr3G rSWKzEHOD6+P7ICTvrv2Mxu6dgfE7TMX8fZH3dnYBAdFeN00XUCjVe6qZR+p7Ltf mr5Cf4WI/DKjOWubJnJaUSxkVqcc9TrndGpcHrXQfCzE+jpcuq3GuML9JTiKuZyD crjLG5i3X7p+Fcs+PZt63Ewca2K5/DggxCkYPBFIRalPlf/PidDTrCSFqFS5yere 6Uo1QIVEDEITu1JLtfxMNaH6HWV/1T8NuALVGeKyJ3aVJGiGZocituYtPod6EkK8 R8p1XxqPhvINHGJJ6eCdRcLa1Hzu3Y7DXHJnZFfkssQddutBM32uZsB1ePnrr4Iy VKh1iMCcHUVO/Nu4mmF9NrWXEdfm/W7eu2e5W8ldLj3rudFtxpXkdt+dgTfLwPxV CSx/011wP5XCELMCmPeUf10M2M/Oumiiy72D3DmulE5ekwasDQiduDbDFRaL/Srr NBDru2cOhgj7uYtTrGln =wzRI -----END PGP SIGNATURE----- --bi5wtywif5bmdxgc--