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: 13005099 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 E72A4C4332F for ; Wed, 12 Oct 2022 14:25:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229909AbiJLOZF (ORCPT ); Wed, 12 Oct 2022 10:25:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229989AbiJLOYo (ORCPT ); Wed, 12 Oct 2022 10:24:44 -0400 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6B809D73E4; Wed, 12 Oct 2022 07:24:33 -0700 (PDT) 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 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.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>;