From patchwork Wed Oct 12 14:22:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivier Moysan X-Patchwork-Id: 13005108 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CCC37C433FE for ; Wed, 12 Oct 2022 14:26:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=kB8eE7l91yN9kGerfS/5p0DZ8NxULTLP4AGu48eZ27g=; b=eG5MKDw+A+tsb1 O1zDQkNufvQQlUfo1Gf2LvH63l6Go1foXBadW+YPBuqbtSoK2h8v7uUNIoYekgrV3Keqh8AZZAv1y MYSoHHiotfbV1q708SGQch0A4VRDn79Ub6r2TwLI5r+YkFcLiQc5sp/a9y2i12qqzuXTlcAjsxtij YMCb6QVTJrpJ3ko65EQ/XHbKRKx4oZ/8NS45icmOLfogqrBx7IUwpKfIuDLoWscQSVfk2D8ZKa5Dq vWSuM8TDj1D3yy9P+AtjYYguQH5TisdLYFx4KWgU9WoFkFpuMXAPBrhrrJShaUQbt5oHrYGUoMFy7 vftO5KZK4HyAe1gRDMow==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oicfm-008MSQ-6k; Wed, 12 Oct 2022 14:25:26 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oicei-008LuF-46 for linux-arm-kernel@lists.infradead.org; Wed, 12 Oct 2022 14:24:21 +0000 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 29CAd1I5013940; Wed, 12 Oct 2022 16:24:15 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=selector1; bh=isiHWGkB7Zp0J3xZU0OT68bWWrLfWPTeUDUFSGCGSYU=; b=zrq/1NEgoGc0ZzWh9haQmgGiDLmDA1is/Kd+eGlrA35MXE58xP1K20femMpdj9h0DVb6 uwkkaoVoaWEvjLntubkf6omtwjxZbe3Tx0vQI+oFloseVN0YGT+gJEWYROIEHBah1PFN J5cY2mNQNfHv3MlpZSqlFynhUbpnegdkr2AHe86n6PwPguPtd/CVb5YpkilY7JnZMsDd ueQaNuDyfmIxhQdr/ggBeau+91Wzm1eh0oA7vhHcNCNS3g63D3H9wpJrPZcaQa4qAQGY wZbppJbx9rKG7gPNfNXRdLq9H+qGMMiqmEGR5Wndm1TYoIF5MR/4jroiI/cMGGLIdqN/ QQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3k31gq3kjm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Oct 2022 16:24:15 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 8C05010002A; Wed, 12 Oct 2022 16:24:10 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 8750522FA28; Wed, 12 Oct 2022 16:24:10 +0200 (CEST) Received: from localhost (10.75.127.119) by SHFDAG1NODE1.st.com (10.75.129.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2375.31; Wed, 12 Oct 2022 16:24:10 +0200 From: Olivier Moysan To: Rob Herring , Alexandre Torgue , Andy Shevchenko , Fabrice Gasnier , Jonathan Cameron , Lars-Peter Clausen , Maxime Coquelin , Olivier Moysan CC: , , , , Subject: [PATCH v4 8/8] ARM: dts: stm32: add adc support on stm32mp135f-dk Date: Wed, 12 Oct 2022 16:22:05 +0200 Message-ID: <20221012142205.13041-9-olivier.moysan@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221012142205.13041-1-olivier.moysan@foss.st.com> References: <20221012142205.13041-1-olivier.moysan@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.119] X-ClientProxiedBy: GPXDAG2NODE6.st.com (10.75.127.70) To SHFDAG1NODE1.st.com (10.75.129.69) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-10-12_07,2022-10-12_01,2022-06-22_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221012_072420_515671_B427F7A0 X-CRM114-Status: GOOD ( 14.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Configure ADC support on stm32mp135f-dk. ADC can be used for USB Type-C CC1 & CC2 pins wired to in6 & in12. Signed-off-by: Olivier Moysan --- arch/arm/boot/dts/stm32mp135f-dk.dts | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts index 348adeec7fdc..967df1944822 100644 --- a/arch/arm/boot/dts/stm32mp135f-dk.dts +++ b/arch/arm/boot/dts/stm32mp135f-dk.dts @@ -76,6 +76,31 @@ vdd_adc: vdd-adc { }; }; +&adc_1 { + pinctrl-names = "default"; + pinctrl-0 = <&adc1_usb_cc_pins_a>; + vdda-supply = <&vdd_adc>; + vref-supply = <&vdd_adc>; + status = "okay"; + adc1: adc@0 { + status = "okay"; + /* + * Type-C USB_PWR_CC1 & USB_PWR_CC2 on in6 & in12. + * Use at least 5 * RC time, e.g. 5 * (Rp + Rd) * C: + * 5 * (5.1 + 47kOhms) * 5pF => 1.3us. + * Use arbitrary margin here (e.g. 5us). + */ + channel@6 { + reg = <6>; + st,min-sample-time-ns = <5000>; + }; + channel@12 { + reg = <12>; + st,min-sample-time-ns = <5000>; + }; + }; +}; + &i2c1 { pinctrl-names = "default", "sleep"; pinctrl-0 = <&i2c1_pins_a>;