From patchwork Mon Sep 7 16:11:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11761493 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E2E6C13B1 for ; Mon, 7 Sep 2020 16:24:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C14462080A for ; Mon, 7 Sep 2020 16:24:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599495853; bh=yx/xrKwi3d342OuVJ6+t5DVvoWKbXVtqclPlrgpbk3Y=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=k2HcbbtW3ukj9ecHy9dCW59sKfSjfP2DcHMvmSA25BMiK9AFJcSHDA77gWwJHQD3q Zbfg1zJOKgJSrI72ysXDIVBSj0OvkvLOrAW3OEBdjlt60cqNPpaINfAuOUhByAOPXX owSYyMVO48yoiOQnLYQrp/YDaI8nVbrJDGrCnX/Q= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730393AbgIGQYB (ORCPT ); Mon, 7 Sep 2020 12:24:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:33292 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729937AbgIGQNS (ORCPT ); Mon, 7 Sep 2020 12:13:18 -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 39503207DE; Mon, 7 Sep 2020 16:13:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599495197; bh=yx/xrKwi3d342OuVJ6+t5DVvoWKbXVtqclPlrgpbk3Y=; h=From:To:Subject:Date:In-Reply-To:References:From; b=AvZnRTKZawYE3HQooBh8Fj2d4hN/5dCV9Kt4ZgIPQouJdeq/+bazDiPaEgGeCW4V2 ZAPxuKbRNKpo88YfNvxNxs0DB2HO8xoKg2K9Yvv9rJ/EMc0EeuadiOKjDZxKkZJb3v EoDlBPgID3PfgjjKpnCeqwOFOa7Y0cgpEF6mPfNc= 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_Chmiel?= , 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 12/25] ARM: dts: s5pv210: add RTC 32 KHz clock in Goni Date: Mon, 7 Sep 2020 18:11:28 +0200 Message-Id: <20200907161141.31034-13-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-goni.dts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/s5pv210-goni.dts b/arch/arm/boot/dts/s5pv210-goni.dts index fbbd93707404..c8714bf0b6e4 100644 --- a/arch/arm/boot/dts/s5pv210-goni.dts +++ b/arch/arm/boot/dts/s5pv210-goni.dts @@ -33,6 +33,13 @@ 0x50000000 0x08000000>; }; + 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>; @@ -224,6 +231,11 @@ regulator-max-microvolt = <1200000>; regulator-always-on; }; + + ap32khz_reg: EN32KHz-AP { + regulator-name = "32KHz AP"; + regulator-always-on; + }; }; }; }; @@ -308,6 +320,11 @@ status = "okay"; }; +&rtc { + clocks = <&clocks CLK_RTC>, <&pmic_ap_clk>; + clock-names = "rtc", "rtc_src"; +}; + &sdhci0 { bus-width = <4>; non-removable;