From patchwork Wed May 10 12:02:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan McDowell X-Patchwork-Id: 680758 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 01550C7EE22 for ; Wed, 10 May 2023 12:02:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236366AbjEJMCT (ORCPT ); Wed, 10 May 2023 08:02:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235752AbjEJMCS (ORCPT ); Wed, 10 May 2023 08:02:18 -0400 X-Greylist: delayed 61 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Wed, 10 May 2023 05:02:17 PDT 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 5ED444ED7; Wed, 10 May 2023 05:02:17 -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=z8H44rBFTZY4TjUWBjN6TrB1XXhRt5aeYvbMpCw9dXc=; b=umz3uG+c8l/FBlg+yh4/xaC1Zx cx6v/g0gitksL1b15tseps4BYnsdNDLhiF7OoeQaBLwqIGYqgmh1f941M6ml9nOgqWxrKDCbOfuTo pAW/eBRHbKiYv+l13qFHxsF3bNiKbvSyiQvMcfyEm2EtGVCYVENtoIWhHjlCh79gbhHdCbONx1DVX KdSy96olRByAMPO4wVSLv28Zu6lJVwnefohEone4TyJ+3BL46inO5h8cQq+nJahXJEtPCIBEmP5hU cRTB25iF6ihoYrci9Hn+PVP1csBmRi5Cp103GdHjFldUKVNIQBxSwPPA3YZTcAUVT7qmDrAC/RcZe DUJp0voQ==; 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 1pwiWF-007uiT-CU; Wed, 10 May 2023 13:02:07 +0100 Date: Wed, 10 May 2023 13:02:02 +0100 From: Jonathan McDowell To: Rob Herring , Krzysztof Kozlowski , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Linus Walleij , Bartosz Golaszewski , Conor Dooley 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 v2 4/5] ARM: dts: sun5i: Add port E pinmux settings for mmc2 Message-ID: <7949169f581cab37175602188f44bc26e79a45c0.1683719613.git.noodles@earth.li> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-gpio@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",