From patchwork Mon Sep 7 16:11:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 257235 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=-13.2 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=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 CD339C2BB84 for ; Mon, 7 Sep 2020 16:24:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C8982080A for ; Mon, 7 Sep 2020 16:24:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599495873; bh=IvIoj2K7TIRgwMp4PonToROYopW9M5mo7TeBE51xjo0=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=DJTXt7CV9DYvmEnBd3P30aj8SBzCsIvHSinRXYrjrk9bzFrxH1Ib83kOHEm+lSCaT 7TzgoD+lLeCx+8/2XuPfqVenwbKuWbaCaA7ODtOST/XTQVTM8UIVroNcTYVlT7F0eq tq0jiHEmw8Gw+2HLelNPkZeqlj+NtvSeE+6L9GCI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730558AbgIGQYV (ORCPT ); Mon, 7 Sep 2020 12:24:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:33208 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729924AbgIGQNK (ORCPT ); Mon, 7 Sep 2020 12:13:10 -0400 Received: from kozik-lap.mshome.net (unknown [194.230.155.174]) (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 AE70221775; Mon, 7 Sep 2020 16:13:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599495190; bh=IvIoj2K7TIRgwMp4PonToROYopW9M5mo7TeBE51xjo0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=nAA805Fqp3EYfc9xrjR3f18Q6EcfDrLkpSJ0h2oGbmmVqtFRrdA4GXxl0ndhqjxDs LiDEMZm+2eokreabKhc1ESbH/NZVLBv7Ih4ocMKXz2k3Gm06fRoHkuu2GU/R5+RDde T9K4fsf4K9f3Po0qyFcoQj/+XglB1tXFqqpMDUH8= From: Krzysztof Kozlowski To: Kukjin Kim , Krzysztof Kozlowski , Rob Herring , Jonathan Cameron , Lars-Peter Clausen , Peter Meerwald-Stadler , Jonathan Bakker , =?utf-8?q?Pawe=C5=82_Chmi?= =?utf-8?q?el?= , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org Subject: [PATCH 10/25] ARM: dts: s5pv210: add RTC 32 KHz clock in Aquilla Date: Mon, 7 Sep 2020 18:11:26 +0200 Message-Id: <20200907161141.31034-11-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200907161141.31034-1-krzk@kernel.org> References: <20200907161141.31034-1-krzk@kernel.org> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org The S3C RTC requires 32768 Hz clock as input which is provided by PMIC. However there is no such clock provider but rather a regulator driver which registers the clock as a regulator. This is an old driver which will not be updated so add a workaround - a fixed-clock to fill missing clock phandle reference in S3C RTC. This fixes dtbs_check warnings: rtc@e2800000: clocks: [[2, 145]] is too short rtc@e2800000: clock-names: ['rtc'] is too short Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/s5pv210-aquila.dts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/s5pv210-aquila.dts b/arch/arm/boot/dts/s5pv210-aquila.dts index 14969b6529e8..eaeb0e921aaa 100644 --- a/arch/arm/boot/dts/s5pv210-aquila.dts +++ b/arch/arm/boot/dts/s5pv210-aquila.dts @@ -32,6 +32,13 @@ 0x40000000 0x18000000>; }; + pmic_ap_clk: clock-0 { + /* Workaround for missing clock on PMIC */ + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + regulators { compatible = "simple-bus"; #address-cells = <1>; @@ -228,6 +235,11 @@ regulator-always-on; }; + ap32khz_reg: EN32KHz-AP { + regulator-name = "32KHz AP"; + regulator-always-on; + }; + vichg_reg: ENVICHG { regulator-name = "VICHG"; }; @@ -326,6 +338,11 @@ status = "okay"; }; +&rtc { + clocks = <&clocks CLK_RTC>, <&pmic_ap_clk>; + clock-names = "rtc", "rtc_src"; +}; + &sdhci0 { bus-width = <4>; non-removable;