From patchwork Thu Jan 12 10:44:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivier MOYSAN X-Patchwork-Id: 42359 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:4e01:0:0:0:0:0 with SMTP id p1csp3814024wrt; Thu, 12 Jan 2023 02:55:40 -0800 (PST) X-Google-Smtp-Source: AMrXdXs1EgGwTjDyQXdATpSV8hqLaPZkM7J7A1mhIzv+lKAo/lJzfH/7OFfYhXpEq+QvXjLnu4bG X-Received: by 2002:a05:6402:448e:b0:48e:8971:d28e with SMTP id er14-20020a056402448e00b0048e8971d28emr42180577edb.15.1673520940064; Thu, 12 Jan 2023 02:55:40 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1673520940; cv=none; d=google.com; s=arc-20160816; b=BE7pnX2UV2hbJq0mpqx1oBLMCUm27zVsbAV3UGrYFSCzvHsBoh956s+2kdzf+QsteV FjL8VfWshG/UMmLvosThqv6hgrnXJdNxwq5dHEAwUUAwRdrAFxvDBqkfH4cHOq1Hl5Ai McnxQanWte8w72H1rbwFSgglg6J8beqGrIC+7DQzJCraYsGhEjviGe3DK7+9hsHRUA5Z kR8iRYIi4e9cxDN9ookkkx5KebHhf+C9Wv8kxcQ3+3WJknMIWXxZle3FtjltRuTHxQM0 fvj5XTAsBwrSoxyKJtHF8+lybk5DgaOX6WrAyjvA161iojpSN/M36FfBeaV5CF/cvr/W 9dmw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=qbOSelrgo9ly75B1lL3nGqofuIGQTzSwK46itLRhY8Q=; b=hBNBUWBJKWegemloI6EhsO4PTIniA64aqgL6Z7yTb4siLhV5JLETCKiBoyLTwLHMXy pTt0QvEpE/jf21ShiYIF5CCSKfPAEFpUX4aCVP50T3KZtgQ5yzWw+Qj5RIjnk6d6R58Y sBRaOfcOHUOfb2ry7Yr4JyqKS+A4jLE0R3wacwa/fTf0vz1SyWl4bTfH033SCSWL28RR YFqiUBjIzCS7u//W6wv6/mjqd0IWmDrLrBb17nXry+wL7f5qRGGuQZtdBClUV/gptjwT e/uMusW7PU4yWe5UWQLbN+fxfMe1s6UCM5f0nFPm1mMnaxi9h0cmDFI22iUICUgcy8Mx 93Nw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@foss.st.com header.s=selector1 header.b=YrU5GeLY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=foss.st.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id t35-20020a056402242300b00499b463ebaesi11252892eda.605.2023.01.12.02.55.15; Thu, 12 Jan 2023 02:55:40 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@foss.st.com header.s=selector1 header.b=YrU5GeLY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=foss.st.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235940AbjALKy7 (ORCPT + 99 others); Thu, 12 Jan 2023 05:54:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232658AbjALKyX (ORCPT ); Thu, 12 Jan 2023 05:54:23 -0500 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6715C5D42E; Thu, 12 Jan 2023 02:45:50 -0800 (PST) Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30C7tWiD003642; Thu, 12 Jan 2023 11:45:06 +0100 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=qbOSelrgo9ly75B1lL3nGqofuIGQTzSwK46itLRhY8Q=; b=YrU5GeLY1ekJUP8XoXw0SUa06tUY9KT9xrim9N8l3WcDarGrGsUodfsuKjE3j8jZBGjg egMqtvr+4yuNojbzzOpdOs4rjxpB2eMtHHUZx4JcwU34+WepF8UU3KMxxJZCcarnaw6m BIYsCUPRtH7RupMem5woeCSRfy8Z157EP3uhs71DYLwryppqYnj8Rx9R5HYdsn8AZWTW w8gQvnENoKkMvRiacq5d8AAWJt8lEFBlMv5Q+n9rHXI+omU3EyxJEaPcGWwv1cHhgEGS mns+P2coGHbv034OoEYYyTGoTUkXE49eoV8FCrtPN4HmNcADHQtBoHkN1KZT4btzAeaG iA== 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 3n1k64j6xd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Jan 2023 11:45:06 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 1043C100034; Thu, 12 Jan 2023 11:45:05 +0100 (CET) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 08651214B12; Thu, 12 Jan 2023 11:45:05 +0100 (CET) Received: from localhost (10.201.20.178) by SHFDAG1NODE1.st.com (10.75.129.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.13; Thu, 12 Jan 2023 11:45:04 +0100 From: Olivier Moysan To: Rob Herring , Krzysztof Kozlowski , Maxime Coquelin , Alexandre Torgue CC: Olivier Moysan , , , , Subject: [PATCH 01/10] ARM: dts: stm32: add adc internal channels to stm32mp15 Date: Thu, 12 Jan 2023 11:44:36 +0100 Message-ID: <20230112104446.1140551-2-olivier.moysan@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230112104446.1140551-1-olivier.moysan@foss.st.com> References: <20230112104446.1140551-1-olivier.moysan@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.20.178] X-ClientProxiedBy: EQNCAS1NODE4.st.com (10.75.129.82) To SHFDAG1NODE1.st.com (10.75.129.69) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2023-01-12_06,2023-01-12_01,2022-06-22_01 X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1754813893406130729?= X-GMAIL-MSGID: =?utf-8?q?1754813893406130729?= Add STM32 ADC2 internal channels VREFINT and VDDCORE to STM32MP15x SoCs. VBAT internal channel is not defined by default in SoC DT, and has be defined in board DT when needed, instead. This avoids unwanted current consumption on battery, when ADC conversions are performed on any other channels. The internal channels are defined in STM32MP15 SoC DT according to the generic IIO channel bindings. The STM32 driver does not support a mixed use of legacy and generic channels. When generic channels are defined, legacy channels are ignored. This involves that the board device trees using legacy bindings for ADC2, have to be reworked. Signed-off-by: Olivier Moysan --- arch/arm/boot/dts/stm32mp151.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi index 4e437d3f2ed6..dea1c53f2b1d 100644 --- a/arch/arm/boot/dts/stm32mp151.dtsi +++ b/arch/arm/boot/dts/stm32mp151.dtsi @@ -1093,6 +1093,8 @@ adc: adc@48003000 { adc1: adc@0 { compatible = "st,stm32mp1-adc"; #io-channel-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; reg = <0x0>; interrupt-parent = <&adc>; interrupts = <0>; @@ -1104,12 +1106,22 @@ adc1: adc@0 { adc2: adc@100 { compatible = "st,stm32mp1-adc"; #io-channel-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; reg = <0x100>; interrupt-parent = <&adc>; interrupts = <1>; dmas = <&dmamux1 10 0x400 0x01>; dma-names = "rx"; status = "disabled"; + channel@13 { + reg = <13>; + label = "vrefint"; + }; + channel@14 { + reg = <14>; + label = "vddcore"; + }; }; };