From patchwork Fri Dec 2 13:57:02 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 9458467 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1F98560585 for ; Fri, 2 Dec 2016 14:03:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1357D2856B for ; Fri, 2 Dec 2016 14:03:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 07FB22856D; Fri, 2 Dec 2016 14:03:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id BD1FB2856B for ; Fri, 2 Dec 2016 14:03:04 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1cCoOu-0006hN-Bu; Fri, 02 Dec 2016 14:01:20 +0000 Received: from 00178001.pphosted.com ([62.209.51.94] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1cCoM6-0002g0-8i for linux-arm-kernel@lists.infradead.org; Fri, 02 Dec 2016 13:58:57 +0000 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id uB2DqcHr026904; Fri, 2 Dec 2016 14:57:52 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-.pphosted.com with ESMTP id 26y0r45ptc-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 02 Dec 2016 14:57:52 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id DA8F931; Fri, 2 Dec 2016 13:57:51 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id C2E0E2D11; Fri, 2 Dec 2016 13:57:51 +0000 (GMT) Received: from localhost (10.48.0.167) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.294.0; Fri, 2 Dec 2016 14:57:51 +0100 From: Fabrice Gasnier To: , , , , Subject: [PATCH 3/3] ARM: dts: stm32: enable ADC on stm32f429i-eval board Date: Fri, 2 Dec 2016 14:57:02 +0100 Message-ID: <1480687022-12851-4-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1480687022-12851-1-git-send-email-fabrice.gasnier@st.com> References: <1480687022-12851-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 X-Originating-IP: [10.48.0.167] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-12-02_10:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161202_055827_075299_1729ADA1 X-CRM114-Status: UNSURE ( 6.98 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Enable analog to digital converter on stm32f429i-eval board. It has on-board potentimeter wired to ADC3 in8 analog pin and uses fixed regulator to provide reference voltage. Signed-off-by: Fabrice Gasnier --- arch/arm/boot/dts/stm32429i-eval.dts | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts index 13c7cd2..6be0a24 100644 --- a/arch/arm/boot/dts/stm32429i-eval.dts +++ b/arch/arm/boot/dts/stm32429i-eval.dts @@ -65,6 +65,20 @@ serial0 = &usart1; }; + regulators { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + reg_vref: regulator@0 { + compatible = "regulator-fixed"; + reg = <0>; + regulator-name = "vref"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + }; + leds { compatible = "gpio-leds"; green { @@ -123,3 +137,14 @@ pinctrl-names = "default"; status = "okay"; }; + +&adc { + pinctrl-names = "default"; + pinctrl-0 = <&adc3_in8_pin>; + vref-supply = <®_vref>; + status = "okay"; + adc3: adc@200 { + st,adc-channels = <8>; + status = "okay"; + }; +};