From patchwork Wed Oct 12 14:22:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivier Moysan X-Patchwork-Id: 13005097 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 C40E5C433FE for ; Wed, 12 Oct 2022 14:25:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230008AbiJLOZC (ORCPT ); Wed, 12 Oct 2022 10:25:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229976AbiJLOYo (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 EC57AD73C1; Wed, 12 Oct 2022 07:24:31 -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 29CAd0eq013878; Wed, 12 Oct 2022 16:24:14 +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=9QM4dlOR7Sq01+DhfzlHRCEo1YysnpmwPf5g7j4qHHo=; b=n2xwg0Tx3GO+pr91tyWMn/vVMyhht5LYD0yqm3NBXdaxkBRiqxaZe/xeyckA8WyzhgPL XY4NEfRwV29gupojBAuPY8ATC01EtqCLqUaLx0aENIHKUY7rfbP7yVgY037hzyVqImLK +fxAY+AEl0bTP+RL1xq7SkG9ncMG5WqB2nO/QIgKLhUUrrw2lRtAnbksR2oJcjA7MHl3 edFKKa2GllrU6j1ubbJNZqcIeNGCCewtxHgfh2h3xkRf1X0MWk753vgrMywlwvpScfTs Yud7MShskqAuicS8F+gfr3OjtrwJVhX6r99OGuT3JwZ3c5Gx/O1YY0XsMAXdIotyfJ42 oA== 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 3k31gq3kjf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Oct 2022 16:24:14 +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 DA13D100034; Wed, 12 Oct 2022 16:24:09 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id D4B0222FA28; Wed, 12 Oct 2022 16:24:09 +0200 (CEST) Received: from localhost (10.75.127.47) 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 16:24:09 +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 7/8] ARM: dts: stm32: add dummy vdd_adc regulator on stm32mp135f-dk Date: Wed, 12 Oct 2022 16:22:04 +0200 Message-ID: <20221012142205.13041-8-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: [10.75.127.47] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) 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 Add a dummy fixed regulator vdd-adc for STM32 ADC, on STM32MP135F-DK board, while SCMI regulators are not available. This patch will have to be removed when SCMI regulator support is added to STM32MP13. This patch intends to allow ADC enabling on STM32MP13. With this patch the ADC can probe but it cannot return valid conversion data, as it's regulator is not actually enabled. Signed-off-by: Olivier Moysan --- arch/arm/boot/dts/stm32mp135f-dk.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts index de341d17e87d..348adeec7fdc 100644 --- a/arch/arm/boot/dts/stm32mp135f-dk.dts +++ b/arch/arm/boot/dts/stm32mp135f-dk.dts @@ -66,6 +66,14 @@ vdd_sd: vdd-sd { regulator-max-microvolt = <2900000>; regulator-always-on; }; + + vdd_adc: vdd-adc { + compatible = "regulator-fixed"; + regulator-name = "vdd_adc"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; }; &i2c1 {