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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 3BE76C433E6 for ; Sun, 30 Aug 2020 14:11:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 16E222087D for ; Sun, 30 Aug 2020 14:11:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598796692; bh=xcU4Jo/kDMY8kA69z7qrLRBuuBBFyNvu7a/iY6erYKs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=eXI1AsSeN86xeZr+mvu5sixLF+yIYN7tuAEyc0ZicSgLNJOwPQxqrydVjCL5iqxlN dDCKiEvz9vSkZyskFDqQ1DjeQg/GI5XKbF1O19b0S2IhLfukfW4VELqHoZT4eJLq5W bv9G9AjH3ExBSPR/KJSy7vaU31tEmDwIO5ctUwiE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726178AbgH3OL0 (ORCPT ); Sun, 30 Aug 2020 10:11:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:55002 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728894AbgH3NyN (ORCPT ); Sun, 30 Aug 2020 09:54:13 -0400 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 Cc: Marek Szyprowski , Bartlomiej Zolnierkiewicz , Sylwester Nawrocki 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> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.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