diff options
Diffstat (limited to 'SOURCES/mmc-sdhci-iproc-Enable-eMMC-DDR-3.3V-support-for-bcm2711.patch')
-rw-r--r-- | SOURCES/mmc-sdhci-iproc-Enable-eMMC-DDR-3.3V-support-for-bcm2711.patch | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/SOURCES/mmc-sdhci-iproc-Enable-eMMC-DDR-3.3V-support-for-bcm2711.patch b/SOURCES/mmc-sdhci-iproc-Enable-eMMC-DDR-3.3V-support-for-bcm2711.patch deleted file mode 100644 index 6f5cf82..0000000 --- a/SOURCES/mmc-sdhci-iproc-Enable-eMMC-DDR-3.3V-support-for-bcm2711.patch +++ /dev/null @@ -1,98 +0,0 @@ -From patchwork Fri Aug 28 21:47:14 2020 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -X-Patchwork-Submitter: Stefan Wahren <stefan.wahren@i2se.com> -X-Patchwork-Id: 11743769 -Return-Path: <SRS0=IgIp=CG=vger.kernel.org=linux-mmc-owner@kernel.org> -Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org - [172.30.200.123]) - by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9294E913 - for <patchwork-linux-mmc@patchwork.kernel.org>; - Fri, 28 Aug 2020 21:48:59 +0000 (UTC) -Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) - by mail.kernel.org (Postfix) with ESMTP id 83F242078A - for <patchwork-linux-mmc@patchwork.kernel.org>; - Fri, 28 Aug 2020 21:48:59 +0000 (UTC) -Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand - id S1726418AbgH1Vs7 (ORCPT - <rfc822;patchwork-linux-mmc@patchwork.kernel.org>); - Fri, 28 Aug 2020 17:48:59 -0400 -Received: from mout.kundenserver.de ([217.72.192.73]:41343 "EHLO - mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org - with ESMTP id S1726379AbgH1Vs5 (ORCPT - <rfc822;linux-mmc@vger.kernel.org>); Fri, 28 Aug 2020 17:48:57 -0400 -Received: from localhost.localdomain ([37.4.249.236]) by - mrelayeu.kundenserver.de (mreue107 [212.227.15.183]) with ESMTPSA (Nemesis) - id 1MzQTm-1kXpKC3Jq4-00vObT; Fri, 28 Aug 2020 23:48:40 +0200 -From: Stefan Wahren <stefan.wahren@i2se.com> -To: Adrian Hunter <adrian.hunter@intel.com>, - Ulf Hansson <ulf.hansson@linaro.org>, - Ray Jui <rjui@broadcom.com>, - Scott Branden <sbranden@broadcom.com> -Cc: Florian Fainelli <f.fainelli@gmail.com>, - Nicolas Saenz Julienne <nsaenzjulienne@suse.de>, - Matthias Brugger <mbrugger@suse.com>, - bcm-kernel-feedback-list@broadcom.com, linux-mmc@vger.kernel.org, - linux-arm-kernel@lists.infradead.org, - Stefan Wahren <stefan.wahren@i2se.com> -Subject: [PATCH] mmc: sdhci-iproc: Enable eMMC DDR 3.3V support for bcm2711 -Date: Fri, 28 Aug 2020 23:47:14 +0200 -Message-Id: <1598651234-29826-1-git-send-email-stefan.wahren@i2se.com> -X-Mailer: git-send-email 2.7.4 -X-Provags-ID: V03:K1:kiziRvARXQvcShivifQ3e8jFQc5NDvS/jk5DcBO1+kY24pjuxcW - pNMzHbKjpwEkD+6H3B4dmClTpiU+4kjeXUo3zfO/VqTahci/RQgw2Jjg5ClfAO20vRj4cmp - eqHXUd9TKy5yr6xa9AzDep/tDWw/ZAMYe72C6NEC+QVodXdoe7JDC+duHvIEy7khM7PY+GF - NzqIu6pdSVbj1v16NZ+sA== -X-Spam-Flag: NO -X-UI-Out-Filterresults: notjunk:1;V03:K0:eelQECZEP/o=:AtkwbFez+YK2lUaKrnCAex - dIlTU0COpkkpKB5Qb0bMKrb8/w/SPJ2rMBPQOKwEd9/tUzoKWo+ZbAPQPpEnEcUM5QKbnzw+7 - qB1kFvhlFgAjX6S2VYE4TsPxy/Dk93b1KLbB3TpK4iOUqvcYMDP11kGtwphrPqzjB+yWqwO6y - KgxT+VLe4SNkCYaD9JES6M1Hj770HNy3DMUeor3ZbWVQqJsm02Xd9jnX8ThCwNQM0x9NSolVQ - 25RoD6I8fehNYcceOQKKGQTSKFw5NMv66cwKfnVYhvG9mj1Fix4xF1ssUx+PIaAKz9IPtf88l - ls9Dj7R5z6+Jfpg2yCxV8pPeg1/NewyDH1Bmv2XVIVVZa3o3Ffms2jaDcGuRIJzYvAGzwhj+z - G+spv31CNuWsBbUeimVwPoWruWAapA+EIOp57iNo95TYAamLRoBF+aIc4DiCyoVKiHvWl7mOh - iDs2nI+sgIn+GWEfuSGJNNmNXiOSRr8PyVRuQELwCvbnkr1JmZqzYOdiYlIdE60pjRs0VVnSZ - xYhbUBsbEC/lXnNUb5fF1o3qlK742HPj1nJQ3lQOdh1rcqOG20kRgACUeVAbq1NMG3DNsuHRS - xsYTKTMMWPPeSrsGrGwEWQurcjWiskZ8QvmiCkaJHzyxpEWZfmqH30xnyIVdeVakqbob0ddv6 - VLEnvtryHj/lA4fHtioyBJ4A5CpKR2At7wnlKOICKyaHniUfMlssMuxexvZkbh5Tk/TR7aW7A - krPi5wigbGYz2Pf0BiIjJOix9EDYS3+e2oyn6oFZX2gJcfDBT48tMcVYK3IOk6vnwvvmszY/k - jexjMPuNFqHptYGNN/TyrXxKulWcZQdCYcksDfKHCrY0TIrxu44YkbhUl22nDy4LRXZQU6h -Sender: linux-mmc-owner@vger.kernel.org -Precedence: bulk -List-ID: <linux-mmc.vger.kernel.org> -X-Mailing-List: linux-mmc@vger.kernel.org - -The emmc2 interface on the bcm2711 supports DDR modes for eMMC devices -running at 3.3V. This allows to run eMMC module with 3.3V signaling voltage -at DDR52 mode on the Raspberry Pi 4 using a SD adapter: - - clock: 52000000 Hz - actual clock: 50000000 Hz - vdd: 21 (3.3 ~ 3.4 V) - bus mode: 2 (push-pull) - chip select: 0 (don't care) - power mode: 2 (on) - bus width: 2 (4 bits) - timing spec: 8 (mmc DDR52) - signal voltage: 0 (3.30 V) - driver type: 0 (driver type B) - -Link: https://github.com/raspberrypi/linux/issues/3802 -Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> ---- - drivers/mmc/host/sdhci-iproc.c | 1 + - 1 file changed, 1 insertion(+) - -diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c -index e2d8dfe..b540aa6 100644 ---- a/drivers/mmc/host/sdhci-iproc.c -+++ b/drivers/mmc/host/sdhci-iproc.c -@@ -283,6 +283,7 @@ static const struct sdhci_pltfm_data sdhci_bcm2711_pltfm_data = { - - static const struct sdhci_iproc_data bcm2711_data = { - .pdata = &sdhci_bcm2711_pltfm_data, -+ .mmc_caps = MMC_CAP_3_3V_DDR, - }; - - static const struct of_device_id sdhci_iproc_of_match[] = { |