From patchwork Wed Feb 26 05:12:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ran Bi X-Patchwork-Id: 204224 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=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MIME_BASE64_TEXT, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=no 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 0D92DC4BA0F for ; Wed, 26 Feb 2020 05:13:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA997222C2 for ; Wed, 26 Feb 2020 05:13:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="eU5YNAOT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726555AbgBZFNY (ORCPT ); Wed, 26 Feb 2020 00:13:24 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:55509 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726039AbgBZFNX (ORCPT ); Wed, 26 Feb 2020 00:13:23 -0500 X-UUID: 8928d4acef9e406a97c878aa3c898b50-20200226 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=nEHARF1NYyw5mdbN6rF7aICK/jenBfECNzSSvcS+Ztw=; b=eU5YNAOTRLWIoo4qBOCYQovlbUkbBzMA+IJUaXX90cv/wHNWsXQGYlra7HpJa9rAl1D2ty5pA4bFGWMrTwhBaepkANfaSNjzHrTkDNEPX8M90/ZqT0zlj65AvGLpOkc+qiTN2/YA+SKzfjXg1jtsV680YTWdNQNENnS1V69G6/U=; X-UUID: 8928d4acef9e406a97c878aa3c898b50-20200226 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 2127894363; Wed, 26 Feb 2020 13:13:17 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 26 Feb 2020 13:11:59 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 26 Feb 2020 13:13:23 +0800 From: Ran Bi To: Alexandre Belloni , Rob Herring , Matthias Brugger CC: Alessandro Zummo , Mark Rutland , Mauro Carvalho Chehab , "David S . Miller" , Greg Kroah-Hartman , Jonathan Cameron , Linus Walleij , Nicolas Ferre , , , , , , , YT Shen , Eddie Huang , Yingjoe Chen , Flora Fu , Sean Wang , Ran Bi Subject: [PATCH v3 0/4] Add Support for MediaTek MT2712 RTC Date: Wed, 26 Feb 2020 13:12:59 +0800 Message-ID: <20200226051303.22560-1-ran.bi@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patchset add support to MT2712 RTC. MT2712 RTC is a SoC based RTC with different architecture compared to MT7622 RTC. Changes in V3: 1. change struct mt2712_rtc 2. use 100 as year offset 3. change irq handle thread 4. remove useless rtc time check 5. not modify struct rtc_time in set_time/set_alarm functions 6. modify rtc init function 7. add power lost flag for get_time/set_time functions 8. add .alarm_irq_enable callback 9. set rtc->range_min and rtc->range_max to do range checking 10. use fixed driver name Changes in V2: 1. change minimum year from 1968 to 2000 2. fix lock usage 3. stop to calculate useless day of week 4. stop to set default date after init 5. change the prefix of functions 6. use devm_request_threaded_irq() to replace request_threaded_irq() 7. add mt2712 rtc related files into MAINTAINERS Ran Bi (4): bindings: rtc: add bindings for MT2712 RTC rtc: add support for the MediaTek MT2712 RTC arm64: dts: add RTC nodes for MT2712 MAINTAINERS: add MT2712 RTC files .../devicetree/bindings/rtc/rtc-mt2712.txt | 14 + MAINTAINERS | 2 + arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 6 + drivers/rtc/Kconfig | 10 + drivers/rtc/Makefile | 1 + drivers/rtc/rtc-mt2712.c | 422 ++++++++++++++++++ 6 files changed, 455 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/rtc-mt2712.txt create mode 100644 drivers/rtc/rtc-mt2712.c -- 2.25.0