From patchwork Tue Dec 29 21:17:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 354010 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 85988C4332E for ; Tue, 29 Dec 2020 21:19:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6F601221F8 for ; Tue, 29 Dec 2020 21:19:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726683AbgL2VTT (ORCPT ); Tue, 29 Dec 2020 16:19:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726608AbgL2VS6 (ORCPT ); Tue, 29 Dec 2020 16:18:58 -0500 Received: from mail-ed1-x533.google.com (mail-ed1-x533.google.com [IPv6:2a00:1450:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB39AC0617A0; Tue, 29 Dec 2020 13:17:48 -0800 (PST) Received: by mail-ed1-x533.google.com with SMTP id u19so13755956edx.2; Tue, 29 Dec 2020 13:17:48 -0800 (PST) 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=CykdsuJQmQKkcyjb49a1JcXvtyqlA5qLyewWUhGJatc=; b=Ohl4jfx2A5dpZwbMxVpRgu8m7894QhOi/n6CTAgjMm6OTHnOgXWJUkkiJuytlEAGyH Dgd/k1N/j3eKtB0tTFNZTXE+LF5KheppyzS+EjImz2YQpBNCGxxdT3Mn+Ucp0FmGOXPX 9oNE4hp5d9rXkbevcaUClW93uVwcgSrOdoZxuAfwRVoybVpIdZM8VXvWQzcnEngWDmYV RtWdvHBfDt6T4MeOwm5jW2r5Wrnd/073S8Cbu20v7VcHI6qj371M09QsAxBDyGDR0pnC CLDNJDnuoHUAFbAC3eAL3JnvKvLQmKmbcenjXdslGA+UX6yazCo+lTnM83b45MTR/js/ 02ng== 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=CykdsuJQmQKkcyjb49a1JcXvtyqlA5qLyewWUhGJatc=; b=O2O16Ubxtcm8bY7X/Jq5bASmoy6nKpkwvJODzJXOwEtzSo01Hr1Ue+h9bycCCgVTNm 11ox8KaNq5melH/1MIx3NpE8BJsB1EZJSeM0KFxoCFbiVdsgj5VkGClubWhLi2dSESjx 5JSvUye/nl1u2krLJnZ4S5emPoqIskWJrSGZAka3fEirlIhdGwiazYS19ZiBX2dZ2x4P 62PKtxu/FzRep6NEx9DS9g5/UHT3VA14SH1UXDav1WU92vgieL7xk7v7ECTP0GyiiV9w zGVr6B/+pWpH6XVtkxngPbgDYuMBYpms/M8kWbAK/9mm8yPl92/IUvBPq6ituc8d0XMG miVg== X-Gm-Message-State: AOAM531nJ8j/vpZDUvZaog/Dd/q7txHdu2N9nfyNRKrEUoOJGqf2zhIs PEDzpNCKgXkMOSewJdMk6BQ= X-Google-Smtp-Source: ABdhPJyOP1XT6qZjOJMPpM7fvNEOZHLtUYO59wQfCu/v917GtH9SA9vStTFc+4L6epFMk4FSjA0zQQ== X-Received: by 2002:aa7:c886:: with SMTP id p6mr48059849eds.207.1609276667450; Tue, 29 Dec 2020 13:17:47 -0800 (PST) Received: from localhost.localdomain ([188.24.159.61]) by smtp.gmail.com with ESMTPSA id u9sm37354553edd.54.2020.12.29.13.17.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Dec 2020 13:17:46 -0800 (PST) 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-actions@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 11/13] arm: dts: owl-s500-roseapplepi: Add uSD support Date: Tue, 29 Dec 2020 23:17:26 +0200 Message-Id: <47ee9695e89198ec2fbc4ab6188f1d0ad0424b2f.1609263738.git.cristian.ciocaltea@gmail.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: References: MIME-Version: 1.0 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 Reviewed-by: Manivannan Sadhasivam --- Changes in v3: - None 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..fe9ae3619422 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_pins: mmc0-pins { + 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_pins>; + 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 {