From patchwork Mon Sep 7 16:11:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11761387 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 767D213B1 for ; Mon, 7 Sep 2020 16:13:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 54BDC20757 for ; Mon, 7 Sep 2020 16:13:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599495203; bh=INsnJaELqRYsET4RRsxOzKJWpIsKuNPsUd4VuZL+kig=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=HfjLVG7PYqpqs5uZ56oWoh0ZwQ6+acyzShPjOuDI20G0Dp46WANowNJGacIZ6AuAd AVcn3fh73jnfAJMiNUMBHsrWWsJSVesJIRxz3xiPJIiyo3PDZILkWP8ogBvRPVUZ42 I10tPwXzKnFv3MPYVLLcT5BL767Cw2w+dAQ1TPHA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730390AbgIGQNS (ORCPT ); Mon, 7 Sep 2020 12:13:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:33244 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730386AbgIGQNO (ORCPT ); Mon, 7 Sep 2020 12:13:14 -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 0A703206E6; Mon, 7 Sep 2020 16:13:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599495193; bh=INsnJaELqRYsET4RRsxOzKJWpIsKuNPsUd4VuZL+kig=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Z/xvc2E0pU0W7wifdwH6nXDDK8ZLaQVF/rtfD7l3/YbRIIv4MmQjtHbOq1pzT0vxg S3VFMWnUnNWGIJsMdsvlMyL81ZbDWE+ONNyxX1HXCnqttgNUzDX9gpj/uNgNXc3yOf 0I/Ce/wW1oqj/gjsaKhJcOpIpkjvCoHujfUXs1Xk= 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 11/25] ARM: dts: s5pv210: add RTC 32 KHz clock in Aries family Date: Mon, 7 Sep 2020 18:11:27 +0200 Message-Id: <20200907161141.31034-12-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-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@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-aries.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi index 6ba23562da46..86c3b26fd21e 100644 --- a/arch/arm/boot/dts/s5pv210-aries.dtsi +++ b/arch/arm/boot/dts/s5pv210-aries.dtsi @@ -47,6 +47,13 @@ }; }; + pmic_ap_clk: clock-0 { + /* Workaround for missing clock on PMIC */ + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + bt_codec: bt_sco { compatible = "linux,bt-sco"; #sound-dai-cells = <0>; @@ -825,6 +832,11 @@ samsung,pwm-outputs = <1>; }; +&rtc { + clocks = <&clocks CLK_RTC>, <&pmic_ap_clk>; + clock-names = "rtc", "rtc_src"; +}; + &sdhci1 { #address-cells = <1>; #size-cells = <0>;