From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail142-35.mail.alibaba.com (mail142-35.mail.alibaba.com [198.11.142.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E4EB92C82 for ; Wed, 22 Dec 2021 03:12:38 +0000 (UTC) X-Alimail-AntiSpam:AC=CONTINUE;BC=0.1124211|-1;CH=green;DM=|CONTINUE|false|;DS=CONTINUE|ham_system_inform|0.0614957-0.00474604-0.933758;FP=3273083516590370965|1|1|5|0|-1|-1|-1;HT=ay29a033018047193;MF=michael@allwinnertech.com;NM=1;PH=DS;RN=11;RT=11;SR=0;TI=SMTPD_---.MMijYBS_1640142430; Received: from sunxibot.allwinnertech.com(mailfrom:michael@allwinnertech.com fp:SMTPD_---.MMijYBS_1640142430) by smtp.aliyun-inc.com(10.147.40.44); Wed, 22 Dec 2021 11:07:11 +0800 From: Michael Wu To: ulf.hansson@linaro.org, mripard@kernel.org, wens@csie.org, samuel@sholland.org, andre.przywara@arm.com Cc: jernej.skrabec@gmail.com, linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Michael Wu Subject: [PATCH 1/3] mmc:sunxi-mmc:add support on discrete device power supply Date: Wed, 22 Dec 2021 11:06:34 +0800 Message-Id: <20211222030634.33816-1-michael@allwinnertech.com> X-Mailer: git-send-email 2.29.0 Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Because some platform has no regulator, only use discrete devices to supply power,For this situation, to use sd/mmc card, we add ocr manually Signed-off-by: Michael Wu --- drivers/mmc/host/sunxi-mmc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index 2702736a1c57..afeefead6501 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -1300,6 +1300,14 @@ static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host, if (ret) return ret; + /** + * Some platforms has no regulator. Discrete devices are used instead. + * To support sd/mmc card, we need to add ocr manually. + */ + if (!host->mmc->ocr_avail) + host->mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; + + host->reg_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(host->reg_base)) return PTR_ERR(host->reg_base); -- 2.29.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9AD36C433F5 for ; Wed, 22 Dec 2021 03:08:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=dFdNEzPydktBAJTsg/Yh2G5DiGExObM3d7rpy1Z8Qkg=; b=sa43ty+hVpxLrM dJXqO8GwpgjNAc9IWgosd2rWGoFbzAOX/xqMyAaUS+PX7Azxl29m0pP+680jPJIMd1PuFKyTKVcmb GrpFV4O7MNjocZ2wgMVhyIcrqVpHY3LVamZvZui8SKWjS6JkjfW4jyug3duu9dft44sQxF3iIMNRC T9IPZ7E/27irEKoDxz8ZxlgnZYW0qudLpD9Pf6BxX9X8Cw2Fq7ueTNVHRACPXQAdr4nlgCfqgfxN8 ENXY6Mrd9812O+SSqD/l1ZrxxWf3NRonADXO9wM6tHFSonBsLk2jj56hW5bpJ+51br+rzwGakpWsA CuBKSFWbcQaXdo3k7gnw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzryN-0093Ju-Tw; Wed, 22 Dec 2021 03:07:24 +0000 Received: from out28-172.mail.aliyun.com ([115.124.28.172]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzryK-0093II-7i for linux-arm-kernel@lists.infradead.org; Wed, 22 Dec 2021 03:07:22 +0000 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.1124211|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.0614957-0.00474604-0.933758; FP=3273083516590370965|1|1|5|0|-1|-1|-1; HT=ay29a033018047193; MF=michael@allwinnertech.com; NM=1; PH=DS; RN=11; RT=11; SR=0; TI=SMTPD_---.MMijYBS_1640142430; Received: from sunxibot.allwinnertech.com(mailfrom:michael@allwinnertech.com fp:SMTPD_---.MMijYBS_1640142430) by smtp.aliyun-inc.com(10.147.40.44); Wed, 22 Dec 2021 11:07:11 +0800 From: Michael Wu To: ulf.hansson@linaro.org, mripard@kernel.org, wens@csie.org, samuel@sholland.org, andre.przywara@arm.com Cc: jernej.skrabec@gmail.com, linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Michael Wu Subject: [PATCH 1/3] mmc:sunxi-mmc:add support on discrete device power supply Date: Wed, 22 Dec 2021 11:06:34 +0800 Message-Id: <20211222030634.33816-1-michael@allwinnertech.com> X-Mailer: git-send-email 2.29.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211221_190720_483630_5412C611 X-CRM114-Status: UNSURE ( 8.63 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Because some platform has no regulator, only use discrete devices to supply power,For this situation, to use sd/mmc card, we add ocr manually Signed-off-by: Michael Wu --- drivers/mmc/host/sunxi-mmc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index 2702736a1c57..afeefead6501 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -1300,6 +1300,14 @@ static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host, if (ret) return ret; + /** + * Some platforms has no regulator. Discrete devices are used instead. + * To support sd/mmc card, we need to add ocr manually. + */ + if (!host->mmc->ocr_avail) + host->mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; + + host->reg_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(host->reg_base)) return PTR_ERR(host->reg_base); -- 2.29.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel