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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 E96FFC433E2 for ; Sun, 30 Aug 2020 13:56:06 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AF3AA21473 for ; Sun, 30 Aug 2020 13:56:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="j46h9WlE"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="LCiruBmX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AF3AA21473 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2QYwhNiJHSTev0uGV8Ei3bMXP07rPDKHcs/JK1DhbzQ=; b=j46h9WlEX0jamRuaO1qFr0UNGu P4AtDjpp677gX5bwMXPCu8vcmdx1fV3ex0OE968j/meheXQClSAg562H58aiBC1hI1hOxw0UnKXYj FENh+qWE9fyKmiaLaeXIA/w7NUQaOQ8LOwA+/W2lKFGzKYd0see5C7MgccSr84cij69/My5vKVrwc rOmRYYpBZPqulXZu5vVFkVbXQgFCqlFdIsWhM3GG3TPWlcewIO6Z+0k9PQokwJxYkSMC5AwaJxYr8 LPuw+dN1fpCS/Qpi/+6V4AIJZLme3hO9xx4xasiGjRiW5WsghqOyxHcoVHmPMaYcM/YI/DmZLe3wJ BmO1T2cA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kCNms-000527-Tx; Sun, 30 Aug 2020 13:54:26 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kCNmf-0004xV-5L for linux-arm-kernel@lists.infradead.org; Sun, 30 Aug 2020 13:54:13 +0000 Received: from localhost.localdomain (unknown [194.230.155.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CA250208DB; Sun, 30 Aug 2020 13:54:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598795652; bh=xcU4Jo/kDMY8kA69z7qrLRBuuBBFyNvu7a/iY6erYKs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LCiruBmXnYwvg2cVU8Xn7OssfHHByMYlgfi6SQps3vPUnCHQAMTgBSOlS4OWb+ZgK J+J2hVHlOu2KeypY4w2Q/tWXeUFap9hajLwsSHbvx/lgeiOp/WnAhqwY/ctE8ThsJL 1jty1OmRAcSdfBiVFWFA0FCLCOpfPIih6K3RgApI= From: Krzysztof Kozlowski To: Rob Herring , Kukjin Kim , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, "Denis GNUtoo Carikli" , Simon Shields Subject: [PATCH 06/33] ARM: dts: exynos: Correct S3C RTC bindings and enable it in Universal C210 Date: Sun, 30 Aug 2020 15:51:33 +0200 Message-Id: <20200830135200.24304-6-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200830135200.24304-1-krzk@kernel.org> References: <20200830135200.24304-1-krzk@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200830_095413_296518_C4C66690 X-CRM114-Status: GOOD ( 15.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sylwester Nawrocki , Bartlomiej Zolnierkiewicz , Marek Szyprowski MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The S3C RTC requires 32768 Hz clock as input which is provided by PMIC. However there is no clock provided for the PMIC and the driver registers the clock as regulator. This is an old driver which will not be updated so add a workaround - add a fixed-clock to fill missing clock phandle reference in S3C RTC. The "clock" regulator in PMIC is already present and enabled. This allows to enable the S3C RTC and fixes dtbs_check warnings: arch/arm/boot/dts/exynos4210-universal_c210.dt.yaml: rtc@10070000: clocks: [[5, 346]] is too short arch/arm/boot/dts/exynos4210-universal_c210.dt.yaml: rtc@10070000: clock-names: ['rtc'] is too short Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos4210-universal_c210.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts index 99ce53b120ac..9479e41bdc2a 100644 --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts @@ -39,6 +39,13 @@ compatible = "samsung,clock-xusbxti"; clock-frequency = <24000000>; }; + + pmic_ap_clk: pmic-ap-clk { + /* Workaround for missing clock on PMIC */ + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + }; }; vemmc_reg: voltage-regulator { @@ -537,6 +544,12 @@ status = "okay"; }; +&rtc { + status = "okay"; + clocks = <&clock CLK_RTC>, <&pmic_ap_clk>; + clock-names = "rtc", "rtc_src"; +}; + &sdhci_0 { bus-width = <8>; non-removable; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel