From patchwork Thu Jun 25 23:34:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 198463 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=-10.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 A752AC433E0 for ; Thu, 25 Jun 2020 23:34:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 81B9420768 for ; Thu, 25 Jun 2020 23:34:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="l/N1volu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725935AbgFYXe5 (ORCPT ); Thu, 25 Jun 2020 19:34:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725930AbgFYXeh (ORCPT ); Thu, 25 Jun 2020 19:34:37 -0400 Received: from mail-ej1-x641.google.com (mail-ej1-x641.google.com [IPv6:2a00:1450:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1B88C08C5DB; Thu, 25 Jun 2020 16:34:36 -0700 (PDT) Received: by mail-ej1-x641.google.com with SMTP id rk21so7633146ejb.2; Thu, 25 Jun 2020 16:34:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=fWdpO4GnBs7BEt8G3PHlb+jDJVr2O1LVzT1H9YOtCB0=; b=l/N1voluvfY5KulvQYX4NBS5Fnr1UcFA79PNCheJwzmUcMrzwT26S1XhVzKXRUi3EC EHKNzGeVAjmY2YVIZkHrOmk+nJNLKWfor/ZHgNIR946wbXmmx2fJqry8UpVhO9qPTb3h qRcDdYLrm6vJQDprbd7wwWa7pIGTju7JSxcYykjMPGA+eDN9PJI5wa2DvgaiGzlIB89e a7icQ64ksBpUPoZd4WzT5rS7zcaFu6O97cEafVU/2sR1/PPzuvKnBNGfLUgdennMAI30 NbnE809GtF8GD4qtnPyDBfFr60ky0Q+Q5fQrE8OrK8H2e5G782iIzfrpV35/zz6QI761 Nsjw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=fWdpO4GnBs7BEt8G3PHlb+jDJVr2O1LVzT1H9YOtCB0=; b=aF7aXUGQw999on1tcSi3J/DdL6KABwDrhM8OALTwd1W5drHDKzMlQ6mPUl2d7ZqkWv xRLGHLMSROotSsr1NcWMwitrS0sso94f5Ozz8BJNEjF5+qoPwYwyjwbj0NINCGRx7Evi VckS4p94l99MnLHP+C9SzvX5jA/zYAOW+Acq+gBj99GTyUy0R7vPKL3TkFNz/UL5znsI qFVxaE3ckDV8PB8jC9sY18HPhkLvm2r6OuID3jVJVFlGj3fuUk7Urp35fr7c1ZRBs09/ 77FvDJVegBnZl9rb0oC41Ya07f2VtAoB/vJmfLApFgh9rsDeasg8L1UDg6opnzsdpmsM TlHg== X-Gm-Message-State: AOAM532aOCdV7engQgUEOL4cpxFJ59JSjVmeerJq3WTyK3b/NCVI8801 tLEwJ6xgNPCrGSyO7u2DWec= X-Google-Smtp-Source: ABdhPJwjKmxIjrokXff6nUkVfnswmEOAIDkK+2CuPK482Wjo/DRn6nylKDQMf++BY0EuGJ68xEeGpg== X-Received: by 2002:a17:906:c259:: with SMTP id bl25mr163087ejb.303.1593128075498; Thu, 25 Jun 2020 16:34:35 -0700 (PDT) Received: from localhost.localdomain ([188.24.137.55]) by smtp.gmail.com with ESMTPSA id u2sm13699184edq.29.2020.06.25.16.34.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jun 2020 16:34:35 -0700 (PDT) From: Cristian Ciocaltea To: Rob Herring , =?utf-8?q?Andreas_F=C3=A4rber?= , Manivannan Sadhasivam Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-actions@lists.infradead.org Subject: [PATCH 09/10] arm: dts: owl-s500-roseapplepi: Add uSD support Date: Fri, 26 Jun 2020 02:34:21 +0300 Message-Id: <521e5024f355c006d7abc8fe30d5cae63a9601f1.1593124368.git.cristian.ciocaltea@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: References: MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add uSD support for RoseapplePi SBC using a fixed regulator as a temporary solution until PMIC support becomes available. Signed-off-by: Cristian Ciocaltea --- arch/arm/boot/dts/owl-s500-roseapplepi.dts | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/arm/boot/dts/owl-s500-roseapplepi.dts b/arch/arm/boot/dts/owl-s500-roseapplepi.dts index 800edf5d2d12..0a916b6c83a8 100644 --- a/arch/arm/boot/dts/owl-s500-roseapplepi.dts +++ b/arch/arm/boot/dts/owl-s500-roseapplepi.dts @@ -14,6 +14,7 @@ / { model = "Roseapple Pi"; aliases { + mmc0 = &mmc0; serial2 = &uart2; }; @@ -25,6 +26,55 @@ memory@0 { device_type = "memory"; reg = <0x0 0x80000000>; /* 2GB */ }; + + /* Fixed regulator used in the absence of PMIC */ + sd_vcc: sd-vcc { + compatible = "regulator-fixed"; + regulator-name = "fixed-3.1V"; + regulator-min-microvolt = <3100000>; + regulator-max-microvolt = <3100000>; + regulator-always-on; + }; +}; + +&pinctrl { + mmc0_default: mmc0_default { + pinmux { + groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp", + "sd0_cmd_mfp", "sd0_clk_mfp"; + function = "sd0"; + }; + + drv_pinconf { + groups = "sd0_d0_d3_drv", "sd0_cmd_drv", "sd0_clk_drv"; + drive-strength = <8>; + }; + + bias0_pinconf { + pins = "sd0_d0", "sd0_d1", "sd0_d2", + "sd0_d3", "sd0_cmd"; + bias-pull-up; + }; + + bias1_pinconf { + pins = "sd0_clk"; + bias-pull-down; + }; + }; +}; + +/* uSD */ +&mmc0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_default>; + no-sdio; + no-mmc; + no-1-8-v; + cd-gpios = <&pinctrl 117 GPIO_ACTIVE_LOW>; + bus-width = <4>; + vmmc-supply = <&sd_vcc>; + vqmmc-supply = <&sd_vcc>; }; &twd_timer {