From patchwork Tue Jan 28 12:07:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin GAIGNARD X-Patchwork-Id: 1230308 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=st.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=st.com header.i=@st.com header.a=rsa-sha256 header.s=STMicroelectronics header.b=Dn7uHddz; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 486QNP12fJz9sPn for ; Tue, 28 Jan 2020 23:07:33 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726034AbgA1MHb (ORCPT ); Tue, 28 Jan 2020 07:07:31 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:1774 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726010AbgA1MHb (ORCPT ); Tue, 28 Jan 2020 07:07:31 -0500 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 00SBw5kg018195; Tue, 28 Jan 2020 13:07:09 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=STMicroelectronics; bh=BI//wb5fPPLjSkwvNcKt9uKWn+48xiSr4KOhhmCaYTU=; b=Dn7uHddzkXN1yTpnUkL/D5G9WHI7Ki7DpPHxr3B3sBG6izAEdrztv+8ul3bAeDexK30a wTG6lZH76Yd/u2zbNlhUVBIQJry/aTA3Qoy/hCauAA2l2D/DEkD2u/+JwOKFYGPFKOhF bRO6TwvIrv91YG5CoHESmi5cQOFZ5imWq8hXkyRRuKZGJHGjrcSjgRgXwVqQIuBLc7mv RYgYy/E6P+acKQwoZp5XtNU1zIpJwDy+r6fWxRrggqXet5oe30KPPrV2wiztr3S0JxbG LAotDOuMY1Jh6xcchOo4vQV8ndLY3uFTsGFc+9EAA2S3skIY5FUyNFQLS9diADjlWjaZ zQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2xrc135r11-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Jan 2020 13:07:09 +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 87CAC10002A; Tue, 28 Jan 2020 13:07:04 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag3node3.st.com [10.75.127.9]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 6D6772A4D97; Tue, 28 Jan 2020 13:07:04 +0100 (CET) Received: from localhost (10.75.127.44) by SFHDAG3NODE3.st.com (10.75.127.9) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 28 Jan 2020 13:07:03 +0100 From: Benjamin Gaignard To: , , , , , , , , CC: , , , , Benjamin Gaignard Subject: [PATCH v3 0/2] clockevent: add low power STM32 timer Date: Tue, 28 Jan 2020 13:07:00 +0100 Message-ID: <20200128120702.26166-1-benjamin.gaignard@st.com> X-Mailer: git-send-email 2.15.0 MIME-Version: 1.0 X-Originating-IP: [10.75.127.44] X-ClientProxiedBy: SFHDAG6NODE2.st.com (10.75.127.17) To SFHDAG3NODE3.st.com (10.75.127.9) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-01-28_03:2020-01-24,2020-01-28 signatures=0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This series add low power timer as boadcast clockevent device. Low power timer could runs even when CPUs are in idle mode and could wakeup them. version 3: - fix timer set sequence - don't forget to free irq on remove function - use devm_kzalloc to simplify errors handling in probe function version 2: - stm32 clkevent driver is now a child of the stm32 lp timer node - add a probe function and adpat the driver to use regmap provide by it parent - stop using timer_of helpers - document the bindings inside stm32 lptimer yaml Benjamin Gaignard (2): dt-bindings: mfd: Document STM32 low power clkevent bindings clocksource: Add Low Power STM32 timers driver .../devicetree/bindings/mfd/st,stm32-lptimer.yaml | 14 ++ drivers/clocksource/Kconfig | 4 + drivers/clocksource/Makefile | 1 + drivers/clocksource/timer-stm32-lp.c | 248 +++++++++++++++++++++ 4 files changed, 267 insertions(+) create mode 100644 drivers/clocksource/timer-stm32-lp.c