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 X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 77D5AC432C0 for ; Mon, 2 Dec 2019 21:57:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4643820718 for ; Mon, 2 Dec 2019 21:57:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726087AbfLBV5n (ORCPT ); Mon, 2 Dec 2019 16:57:43 -0500 Received: from hera.iit.uni-miskolc.hu ([193.6.5.4]:46596 "EHLO hera.iit.uni-miskolc.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725825AbfLBV5n (ORCPT ); Mon, 2 Dec 2019 16:57:43 -0500 X-Greylist: delayed 315 seconds by postgrey-1.27 at vger.kernel.org; Mon, 02 Dec 2019 16:57:42 EST Received: from localhost (localhost [127.0.0.1]) by hera.iit.uni-miskolc.hu (Postfix) with ESMTP id 084AD1B3D; Mon, 2 Dec 2019 22:52:22 +0100 (CET) X-Virus-Scanned: Kamavis at iit.uni-miskolc.hu Received: from hera.iit.uni-miskolc.hu ([127.0.0.1]) by localhost (hera.iit.uni-miskolc.hu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YMw1GiuZXysi; Mon, 2 Dec 2019 22:52:13 +0100 (CET) Received: from titan.hitronhub.home (unknown [IPv6:2a02:8109:a180:2298:f5f6:6861:31b7:8595]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: szucst@iit.uni-miskolc.hu) by hera.iit.uni-miskolc.hu (Postfix) with ESMTPSA id C589D1B36; Mon, 2 Dec 2019 22:52:12 +0100 (CET) From: =?UTF-8?q?Tam=C3=A1s=20Sz=C5=B1cs?= To: Rob Herring , Mark Rutland , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Tam=C3=A1s=20Sz=C5=B1cs?= Subject: [PATCH v2 0/1] arm64: tegra: enable SDIO on Jetson Nano M.2 Key E Date: Mon, 2 Dec 2019 22:51:59 +0100 Message-Id: <20191202215200.9656-1-tszucs@protonmail.ch> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org It turns out SDMMC3 on the Jetson Nano module is wired to respective pins of the carrier's M.2 Key E socket. However, it is not enabled. I see no reason why. This block is functional and has a fixed 1.8 V I/O supply. Perfect for SDIO cards nowdays. I think it would make sense to enable this feature. PCIe could be used for something else. Kind regards, Tamas Tamás Szűcs (1): arm64: tegra: Enable SDIO on Jetson Nano M.2 Key E arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) -- 2.20.1