From patchwork Thu Jan 21 05:26:34 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 8078221 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id AA751BEEE5 for ; Thu, 21 Jan 2016 05:37:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A3A8A205B7 for ; Thu, 21 Jan 2016 05:37:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D02B1205B5 for ; Thu, 21 Jan 2016 05:37:30 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aM7uX-0007kl-JF; Thu, 21 Jan 2016 05:35:57 +0000 Received: from smtp.csie.ntu.edu.tw ([140.112.30.61]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aM7t3-0005TD-Pm for linux-arm-kernel@lists.infradead.org; Thu, 21 Jan 2016 05:34:29 +0000 Received: from mirror2.csie.ntu.edu.tw (mirror2.csie.ntu.edu.tw [140.112.30.76]) (Authenticated sender: b93043) by smtp.csie.ntu.edu.tw (Postfix) with ESMTPSA id EC5C424F73; Thu, 21 Jan 2016 13:33:30 +0800 (CST) Received: by mirror2.csie.ntu.edu.tw (Postfix, from userid 1000) id BA7665F9D7; Thu, 21 Jan 2016 13:33:30 +0800 (CST) From: Chen-Yu Tsai To: Ulf Hansson , Maxime Ripard Subject: [PATCH RFC 07/15] mmc: sunxi: Enable eMMC HS-DDR (MMC_CAP_1_8V_DDR) support Date: Thu, 21 Jan 2016 13:26:34 +0800 Message-Id: <1453354002-28366-8-git-send-email-wens@csie.org> X-Mailer: git-send-email 2.7.0.rc3 In-Reply-To: <1453354002-28366-1-git-send-email-wens@csie.org> References: <1453354002-28366-1-git-send-email-wens@csie.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160120_213426_349595_96DC6B2B X-CRM114-Status: UNSURE ( 8.63 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.2 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mmc@vger.kernel.org, linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org, Hans de Goede , Chen-Yu Tsai , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Now that clock delay settings for 8 bit DDR are correct, and vqmmc support is available, we can enable MMC_CAP_1_8V_DDR support. This enables MMC HS-DDR at up to 52 MHz, even if signal voltage switching is not available. Signed-off-by: Chen-Yu Tsai --- drivers/mmc/host/sunxi-mmc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index d05928091b34..f3a7f36e38c2 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -1145,6 +1145,7 @@ static int sunxi_mmc_probe(struct platform_device *pdev) mmc->f_min = 400000; mmc->f_max = 50000000; mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED | + MMC_CAP_1_8V_DDR | MMC_CAP_ERASE | MMC_CAP_SDIO_IRQ; ret = mmc_of_parse(mmc);