From patchwork Wed Sep 8 15:54:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivier MOYSAN X-Patchwork-Id: 12481439 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE3C1C433F5 for ; Wed, 8 Sep 2021 15:55:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97C5D61154 for ; Wed, 8 Sep 2021 15:55:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349714AbhIHP4i (ORCPT ); Wed, 8 Sep 2021 11:56:38 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:55196 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1348440AbhIHP4i (ORCPT ); Wed, 8 Sep 2021 11:56:38 -0400 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.0.43) with SMTP id 188FpQ8Y005816; Wed, 8 Sep 2021 17:55:01 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=selector1; bh=7TLj7ZXyvA+kH3uJOs8jc9e81SnMhHsdELVRMPZwfY8=; b=Rocm8JSEPqLdyePXHzcUHU3azuoYxcXr/3KbWBFav05S/Kt44qmctxLmYkDVt+kzkmCH cHmYtzquNmB/T8CLVoL4ucou0DpNVo1Qu5K83Mpq3pv50q8lDxPdg0w5UnxIWNCDT3Cs /iKMpsaCBCg+Ldu9ZoVWGy8BGTzagDARczD3GKsBSNoN7TSbWfL14rQ2EtzKzUCWGR0s bisJ7JLPmDOIme1e3Kx0b4DpGP/33DFEmwdd4HwPPi9AREBEjJMOHoNS6iaJlrpYu0hz LBojazNBUZ+0l887Lp0ptpFAIiCmZjFLBsyxs2nE0dFhrP+83lf9iQpNIdvg+itXhpah kQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 3axtha2b7v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 08 Sep 2021 17:55:01 +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 7DF7210002A; Wed, 8 Sep 2021 17:54:58 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag1node3.st.com [10.75.127.3]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id D411F229A66; Wed, 8 Sep 2021 17:54:58 +0200 (CEST) Received: from localhost (10.75.127.49) by SFHDAG1NODE3.st.com (10.75.127.3) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Wed, 8 Sep 2021 17:54:58 +0200 From: Olivier Moysan To: Alexandre Torgue , Arnaud Pouliquen , Fabrice Gasnier , Jonathan Cameron , Lars-Peter Clausen , Maxime Coquelin , Olivier Moysan , Rob Herring CC: , , , , , Subject: [PATCH 0/7] add internal channels support Date: Wed, 8 Sep 2021 17:54:45 +0200 Message-ID: <20210908155452.25458-1-olivier.moysan@foss.st.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.75.127.49] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) To SFHDAG1NODE3.st.com (10.75.127.3) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-09-08_06,2021-09-07_02,2020-04-07_01 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org This patchset adds support of ADC2 internal channels VDDCORE, VREFINT and VBAT on STM32MP15x SoCs. The generic IIO channel bindings is also introduced here to provide this feature. The legacy channel binding is kept for backward compatibility. Olivier Moysan (7): dt-bindings: iio: adc: add generic channel binding dt-bindings: iio: adc: add nvmem support for vrefint internal channel iio: adc stm32-adc: split channel init into several routines iio: adc: stm32-adc: add support of generic channels binding iio: adc: stm32-adc: add support of internal channels iio: adc: stm32-adc: add vrefint calibration support iio: adc: stm32-adc: use generic binding for sample-time .../bindings/iio/adc/st,stm32-adc.yaml | 108 ++++- drivers/iio/adc/stm32-adc-core.h | 8 + drivers/iio/adc/stm32-adc.c | 418 ++++++++++++++++-- 3 files changed, 482 insertions(+), 52 deletions(-)