From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 84D3EC432BE for ; Mon, 2 Aug 2021 00:41:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 70CDB60FF2 for ; Mon, 2 Aug 2021 00:41:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232260AbhHBAlL (ORCPT ); Sun, 1 Aug 2021 20:41:11 -0400 Received: from foss.arm.com ([217.140.110.172]:57294 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232215AbhHBAlH (ORCPT ); Sun, 1 Aug 2021 20:41:07 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D456611D4; Sun, 1 Aug 2021 17:40:58 -0700 (PDT) Received: from localhost.localdomain (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id BB0DA3F66F; Sun, 1 Aug 2021 17:40:56 -0700 (PDT) From: Andre Przywara To: Maxime Ripard , Chen-Yu Tsai , Jernej Skrabec Cc: Rob Herring , Icenowy Zheng , Samuel Holland , linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Ondrej Jirman , Alessandro Zummo , Alexandre Belloni , linux-rtc@vger.kernel.org Subject: [PATCH v9 07/11] rtc: sun6i: Add Allwinner H616 support Date: Mon, 2 Aug 2021 01:39:48 +0100 Message-Id: <20210802003952.19942-8-andre.przywara@arm.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20210802003952.19942-1-andre.przywara@arm.com> References: <20210802003952.19942-1-andre.przywara@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The H616 RTC changes its day storage to the newly introduced linear day scheme, so pair the new compatible string with this feature flag. The clock part is missing an external 32768 Hz oscillator input pin, for future expansion we must thus ignore any provided clock for now. Signed-off-by: Andre Przywara Reviewed-by: Jernej Skrabec --- drivers/rtc/rtc-sun6i.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c index fe1bee3a4ec6..77db4f0a042c 100644 --- a/drivers/rtc/rtc-sun6i.c +++ b/drivers/rtc/rtc-sun6i.c @@ -392,6 +392,23 @@ static void __init sun50i_h6_rtc_clk_init(struct device_node *node) CLK_OF_DECLARE_DRIVER(sun50i_h6_rtc_clk, "allwinner,sun50i-h6-rtc", sun50i_h6_rtc_clk_init); +static const struct sun6i_rtc_clk_data sun50i_h616_rtc_data = { + .rc_osc_rate = 16000000, + .fixed_prescaler = 32, + .has_prescaler = 1, + .has_out_clk = 1, + .export_iosc = 1, + .no_ext_losc = 1, +}; + +static void __init sun50i_h616_rtc_clk_init(struct device_node *node) +{ + sun6i_rtc_clk_init(node, &sun50i_h616_rtc_data); +} + +CLK_OF_DECLARE_DRIVER(sun50i_h616_rtc_clk, "allwinner,sun50i-h616-rtc", + sun50i_h616_rtc_clk_init); + /* * The R40 user manual is self-conflicting on whether the prescaler is * fixed or configurable. The clock diagram shows it as fixed, but there @@ -797,6 +814,8 @@ static const struct of_device_id sun6i_rtc_dt_ids[] = { { .compatible = "allwinner,sun8i-v3-rtc" }, { .compatible = "allwinner,sun50i-h5-rtc" }, { .compatible = "allwinner,sun50i-h6-rtc" }, + { .compatible = "allwinner,sun50i-h616-rtc", + .data = (void *)RTC_LINEAR_DAY }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, sun6i_rtc_dt_ids); -- 2.17.6