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