From patchwork Tue May 16 17:48:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan McDowell X-Patchwork-Id: 683623 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B5FBC7EE24 for ; Tue, 16 May 2023 17:49:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231919AbjEPRtC (ORCPT ); Tue, 16 May 2023 13:49:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231925AbjEPRsa (ORCPT ); Tue, 16 May 2023 13:48:30 -0400 Received: from the.earth.li (the.earth.li [IPv6:2a00:1098:86:4d:c0ff:ee:15:900d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C230F272C; Tue, 16 May 2023 10:48:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=earth.li; s=the; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject: Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=EaPNEMUKyDQN26JSwTClLnrKV94BnN1/m1X9svWJsHE=; b=fgGNK20tVf6lKE/XBJsbvivEtj f89o+cJwIwkH8VRHgHAUUGq3Vdtdlzw4kD/LL1wTKVZtD32nazepzwJX8E3+R1aPcx/0u1YqRuerx RI4EuyoFxt7aMdiH6pYF8whMsbbYQHMB8cV/wxkccMzGq4gUUd2iqI6LpP25AbYCWySEVqCX1srIR ZXMDP2LtqAhjXtGCKaIdg4ankggG6DTN2rD9lST4EG+N4tZ3k0qqKcgKQBgSgHHgSg4JztVt9PTXZ 0IxXjmqrNhQj0jWyR4WG0HJep1xDiaLj4StaaP8Ay1KBm10CLWJmDwW9GuiKeZIzK4NF+qIjznFJX PFIhpBdA==; Received: from [2001:4d48:ad59:1403::16a3] (helo=earth.li) by the.earth.li with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1pyymR-00GMvT-7Y; Tue, 16 May 2023 18:48:11 +0100 Date: Tue, 16 May 2023 18:48:05 +0100 From: Jonathan McDowell To: Rob Herring , Krzysztof Kozlowski , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Linus Walleij , Bartosz Golaszewski , Conor Dooley , andy.shevchenko@gmail.com Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH v3 4/5] ARM: dts: sun5i: Add port E pinmux settings for mmc2 Message-ID: <644b0a6aee41d205eb51d35365265ed63669707b.1684258957.git.noodles@earth.li> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org These alternate pins for mmc2 are brought out to the 40 pin U14 header on the C.H.I.P and can be used to add an external MMC device with a 4 bit interface. See https://byteporter.com/ntc-chip-micro-sd-slot/ for further details on how. Signed-off-by: Jonathan McDowell Reviewed-by: Jernej Skrabec --- arch/arm/boot/dts/sun5i.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/sun5i.dtsi b/arch/arm/boot/dts/sun5i.dtsi index 250d6b87ab4d..ab7f675aeec4 100644 --- a/arch/arm/boot/dts/sun5i.dtsi +++ b/arch/arm/boot/dts/sun5i.dtsi @@ -517,6 +517,15 @@ mmc2_4bit_pc_pins: mmc2-4bit-pc-pins { bias-pull-up; }; + /omit-if-no-ref/ + mmc2_4bit_pe_pins: mmc2-4bit-pe-pins { + pins = "PE4", "PE5", "PE6", "PE7", + "PE8", "PE9"; + function = "mmc2"; + drive-strength = <30>; + bias-pull-up; + }; + mmc2_8bit_pins: mmc2-8bit-pins { pins = "PC6", "PC7", "PC8", "PC9", "PC10", "PC11", "PC12", "PC13",