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 6F4C0C433E7 for ; Sun, 30 Aug 2020 13:55:36 +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 3C2642071B for ; Sun, 30 Aug 2020 13:55:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="CvQkNU8m"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="dPorNLpJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C2642071B 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=C/Eaqt5R3ZnmJbnVo4dOCJaPp6DIdH263CRba+Pv7Dg=; b=CvQkNU8mrLOrawY2wH2ecVF1Ge qGqbi2FyT+lPOwojDbiB0wtuTPUsKyZ23n/BCd+17LSsi4M6rYE0QDyBW+81HBBuafjwzpOXU+5lb 2eI10ZEjwDw7g3GVQ+kJCxppqnvWsJEXswQZkjHZFVsnaD4WAaGXDSek/rib1R6Q8tBdrP7g1ztTT iJ+zTebBptu7CZsaQ/CdGgDeDHHrTQccA7AkaLA/6oavNcm98Q+iE7Ovq90w/nx+GmJ545fL0MeV1 0c/dX5PB/bI1iOaSSD7Bfl5o/CekEXUynQqrQYpIljBMobteaPtk7haHxAGRtxfwOw4vsjWINAlQO febbTlhA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kCNmZ-0004wF-LI; Sun, 30 Aug 2020 13:54:07 +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 1kCNmW-0004vJ-1v for linux-arm-kernel@lists.infradead.org; Sun, 30 Aug 2020 13:54:05 +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 D8C302087D; Sun, 30 Aug 2020 13:54:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598795643; bh=BJu2ygEsYuHqBLXUZVb62si7DnFLg02WRfhJZMLE0UI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dPorNLpJOPZEfol6g1uhSKyL6ir4bsR56fQH0IekTnhwGqn+NC2t98/ep8mo0ssRn vuWC9pqPgKt1iChhUQOFz2QG6c0erlx0bdoSNisEtKH+G4eag7uHF4kwvCwVOZ2vvB ambJwAqajcYm44zGT5ayAqcCIGKEGfr3nvhCVC5U= 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 03/33] ARM: dts: exynos: Correct S3C RTC bindings and enable it in Galaxy I9100 Date: Sun, 30 Aug 2020 15:51:30 +0200 Message-Id: <20200830135200.24304-3-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_095404_194170_A2D25587 X-CRM114-Status: GOOD ( 15.90 ) 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 (Maxim MAX8997). 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: 1. Enable the "clock" regulator in PMIC, 2. Add a fixed-clock to fill missing clock phandle reference in S3C RTC. This allows to enable the S3C RTC and fixes dtbs_check warnings: arch/arm/boot/dts/exynos4210-i9100.dt.yaml: rtc@10070000: clocks: [[5, 346]] is too short arch/arm/boot/dts/exynos4210-i9100.dt.yaml: rtc@10070000: clock-names: ['rtc'] is too short Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos4210-i9100.dts | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/boot/dts/exynos4210-i9100.dts b/arch/arm/boot/dts/exynos4210-i9100.dts index 6fa57d1fa1d7..d63274c8539d 100644 --- a/arch/arm/boot/dts/exynos4210-i9100.dts +++ b/arch/arm/boot/dts/exynos4210-i9100.dts @@ -209,6 +209,13 @@ compatible = "samsung,clock-xusbxti"; clock-frequency = <24000000>; }; + + pmic_ap_clk: pmic-ap-clk { + /* Workaround for missing clock on max8997 PMIC */ + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + }; }; thermal-zones { @@ -568,6 +575,11 @@ regulator-max-microvolt = <4100000>; regulator-always-on; }; + + EN32KHZ_AP { + regulator-name = "EN32KHZ_AP"; + regulator-always-on; + }; }; }; }; @@ -688,6 +700,12 @@ }; }; +&rtc { + status = "okay"; + clocks = <&clock CLK_RTC>, <&pmic_ap_clk>; + clock-names = "rtc", "rtc_src"; +}; + &sdhci_0 { status = "okay"; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel