From patchwork Tue Apr 5 18:47:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 1613589 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256 header.s=gm1 header.b=ovTLWGBm; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4KY1Jk53Pmz9s0r for ; Wed, 6 Apr 2022 07:40:06 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229484AbiDEVlF (ORCPT ); Tue, 5 Apr 2022 17:41:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1573374AbiDES7u (ORCPT ); Tue, 5 Apr 2022 14:59:50 -0400 Received: from mslow1.mail.gandi.net (mslow1.mail.gandi.net [217.70.178.240]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 03748CD33E for ; Tue, 5 Apr 2022 11:57:49 -0700 (PDT) Received: from relay12.mail.gandi.net (unknown [IPv6:2001:4b98:dc4:8::232]) by mslow1.mail.gandi.net (Postfix) with ESMTP id 72A33CAA59 for ; Tue, 5 Apr 2022 18:47:27 +0000 (UTC) Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 9DC36200004; Tue, 5 Apr 2022 18:47:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1649184439; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=AlS3iJ+EMBIdu3DwukTkmu3d5S17/P8BS9spNb/Ba7A=; b=ovTLWGBmZBlXw85uPL5X6YZwA+kKi9xhS4WzLGT+Ktdp5ydyX1i+EiNrA6fGk2LH/8NNwH k1dxdAJx6sXCstShEpnRSdnXhujo5MVJ4LtLn2hjEGZJv9SMPpd6ZuvpzzViZ90RE0lzDp xA8SOqFrIEM/WJBP8/pkzO3iEJNIZcq23FifHctf0V3K5YRrV/oRmc0+034G+2D91qS3NC +rOFdsAy1yVujV17FVbdPFd/IWLc4BYllOIKytXLXKU10V5O227K8HiRECHHkEmFZtD5KZ LHIwXL0wFcUMk2TRUUB24mkSP+s0B3H7mfyxgJzXciQJJgNnC6Owsk4m+MBb9w== From: Miquel Raynal To: Alessandro Zummo , Alexandre Belloni Cc: Rob Herring , devicetree@vger.kernel.org, Krzysztof Kozlowski , linux-renesas-soc@vger.kernel.org, Magnus Damm , Gareth Williams , Phil Edworthy , Geert Uytterhoeven , Stephen Boyd , Michael Turquette , linux-clk@vger.kernel.org, Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Thomas Petazzoni , Herve Codina , Clement Leger , linux-rtc@vger.kernel.org, Miquel Raynal Subject: [PATCH 0/7] RZN1 RTC support Date: Tue, 5 Apr 2022 20:47:09 +0200 Message-Id: <20220405184716.1578385-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=unavailable 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-rtc@vger.kernel.org Hello, This small series adds support for the RZN1 RTC. Despite its limitations, I found useful to at least have alarm and offset support. This depends on the previous sysctrl/dma/uart changes on the sysctrl side. Cheers, Miquèl Michel Pollet (1): rtc: rzn1: Add new RTC driver Miquel Raynal (6): dt-bindings: rtc: rzn1: Describe the RZN1 RTC soc: renesas: rzn1-sysc: Export a function to enable/disable the RTC rtc: rzn1: Add alarm support rtc: rzn1: Add oscillator offset support MAINTAINERS: Add myself as maintainer of the RZN1 RTC driver ARM: dts: r9a06g032: Describe the RTC .../bindings/rtc/renesas,rzn1-rtc.yaml | 69 +++ MAINTAINERS | 8 + arch/arm/boot/dts/r9a06g032.dtsi | 12 + drivers/clk/renesas/r9a06g032-clocks.c | 49 ++ drivers/rtc/Kconfig | 7 + drivers/rtc/Makefile | 1 + drivers/rtc/rtc-rzn1.c | 436 ++++++++++++++++++ include/linux/soc/renesas/r9a06g032-sysctrl.h | 2 + 8 files changed, 584 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/renesas,rzn1-rtc.yaml create mode 100644 drivers/rtc/rtc-rzn1.c