From patchwork Tue Oct 17 09:40:31 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 826887 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yGVZr1fmqz9s3T for ; Tue, 17 Oct 2017 20:41:56 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934822AbdJQJkl (ORCPT ); Tue, 17 Oct 2017 05:40:41 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:52168 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S934809AbdJQJkk (ORCPT ); Tue, 17 Oct 2017 05:40:40 -0400 X-UUID: 9d65aac19da54b9691ee51d29398ec4d-20171017 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 2124909113; Tue, 17 Oct 2017 17:40:37 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Tue, 17 Oct 2017 17:40:36 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Tue, 17 Oct 2017 17:40:36 +0800 From: To: , , , CC: , , , , Sean Wang Subject: [PATCH v2 0/4] rtc: mediatek: add support for SoC based RTC on MT7622 Date: Tue, 17 Oct 2017 17:40:31 +0800 Message-ID: X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org From: Sean Wang Changes since v1: - Rename to rtc-mt7622.c from rtc-mediatek.c - Use [readl,writel]_relaxed instead of __raw_* version - Remove redundant register reading in mtk_rtc_get_alarm_or_time() - Stop alarm when alarm is really expired in mtk_rtc_alarmirq() - Extend the maximum year the RTC/Alarm can count/support using year rebasing - Remove unnesscary log which is already done in core layer This patchset introduces support for MediaTek SoC based real time clock (RTC) Currently, the driver is already tested successfully with hwclock and wakealarm on MT7622 SoC. And it should also be workable on other similar MediaTek SoCs. And patch 3 is a distinct patch used to distinguish between either SoC based or PMIC based RTC to avoid confusion for the RTC selection for the target SoC. Sean Wang (4): dt-bindings: rtc: mediatek: add bindings for MediaTek SoC based RTC rtc: mediatek: add driver for RTC on MT7622 SoC rtc: mediatek: enhance the description for MediaTek PMIC based RTC rtc: mediatek: update MAINTAINERS entry with MediaTek RTC driver .../devicetree/bindings/rtc/rtc-mediatek.txt | 21 ++ MAINTAINERS | 3 + drivers/rtc/Kconfig | 18 +- drivers/rtc/Makefile | 1 + drivers/rtc/rtc-mt7622.c | 418 +++++++++++++++++++++ 5 files changed, 457 insertions(+), 4 deletions(-) create mode 100644 Documentation/devicetree/bindings/rtc/rtc-mediatek.txt create mode 100644 drivers/rtc/rtc-mt7622.c