From patchwork Fri Apr 27 00:17:20 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 10367175 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A39A7601D3 for ; Fri, 27 Apr 2018 00:26:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 97BBE292AE for ; Fri, 27 Apr 2018 00:26:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8C8CF292B0; Fri, 27 Apr 2018 00:26:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3305A292AE for ; Fri, 27 Apr 2018 00:26:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757152AbeD0A00 (ORCPT ); Thu, 26 Apr 2018 20:26:26 -0400 Received: from vern.gendns.com ([206.190.152.46]:46219 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756641AbeD0AS1 (ORCPT ); Thu, 26 Apr 2018 20:18:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lechnology.com; s=default; h=References:In-Reply-To:Message-Id:Date:Subject :Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=BSdewBJgwoy33RDA6W5Mdyrf503fUu4Eyc9eaQVkorQ=; b=l8VHA6/bqX8A4MHzBiiHrcpbG ivrqK7YTLMqExuuN6l9VmTqZgbQc7Ide3C0EXhXihbXI+/XBlD0UIymHMRrqAUZMM1QKq8l3bJ5hh j8pNHHfQqctDmixE/33Za0hxUsZMVMJ7F9UedfNz7komQAz4SBZxh0X4o2aMyY3xQgNRjljhVX+UT 2rMDt22qagkFElxf5FQVDzHgiewPJXFtSDW4BleKTSNmO/JVwlU0qd0Kv2V8cct6DnKN01Wkz+qN/ SJ6CbcLYAe6Twuoi1Im8/sjUZ/CZ5QLkEGL5IPcZ4a+1ZtqMgyECkKnV/a1El9DX0VeRN0VfJrfNj yrTMPtMSQ==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:39016 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.89_1) (envelope-from ) id 1fBr5k-000iph-Qm; Thu, 26 Apr 2018 20:18:25 -0400 From: David Lechner To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Michael Turquette , Stephen Boyd , Rob Herring , Mark Rutland , Sekhar Nori , Kevin Hilman , Bartosz Golaszewski , Adam Ford , linux-kernel@vger.kernel.org, David Lechner Subject: [PATCH v9 02/27] clk: davinci: da850-pll: change PLL0 to CLK_OF_DECLARE Date: Thu, 26 Apr 2018 19:17:20 -0500 Message-Id: <20180427001745.4116-3-david@lechnology.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180427001745.4116-1-david@lechnology.com> References: <20180427001745.4116-1-david@lechnology.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP PLL0 on davinci/da850-type device needs to be registered early in boot because it is needed for clocksource/clockevent. Change the driver to use CLK_OF_DECLARE for this special case. Signed-off-by: David Lechner --- v9 changes: - new patch in v9 drivers/clk/davinci/pll-da850.c | 26 ++++++++++++++++++++++---- drivers/clk/davinci/pll.c | 4 +++- drivers/clk/davinci/pll.h | 2 +- 3 files changed, 26 insertions(+), 6 deletions(-) diff --git a/drivers/clk/davinci/pll-da850.c b/drivers/clk/davinci/pll-da850.c index 00a6ece7b524..743527de1da2 100644 --- a/drivers/clk/davinci/pll-da850.c +++ b/drivers/clk/davinci/pll-da850.c @@ -12,6 +12,8 @@ #include #include #include +#include +#include #include #include @@ -135,11 +137,27 @@ static const struct davinci_pll_sysclk_info *da850_pll0_sysclk_info[] = { NULL }; -int of_da850_pll0_init(struct device *dev, void __iomem *base, struct regmap *cfgchip) +void of_da850_pll0_init(struct device_node *node) { - return of_davinci_pll_init(dev, dev->of_node, &da850_pll0_info, - &da850_pll0_obsclk_info, - da850_pll0_sysclk_info, 7, base, cfgchip); + void __iomem *base; + struct regmap *cfgchip; + + base = of_iomap(node, 0); + if (!base) { + pr_err("%s: ioremap failed\n", __func__); + return; + } + + cfgchip = syscon_regmap_lookup_by_compatible("ti,da830-cfgchip"); + if (IS_ERR(cfgchip)) { + pr_warn("%s: failed to get cfgchip (%ld)\n", __func__, + PTR_ERR(cfgchip)); + cfgchip = NULL; + } + + of_davinci_pll_init(NULL, node, &da850_pll0_info, + &da850_pll0_obsclk_info, + da850_pll0_sysclk_info, 7, base, cfgchip); } static const struct davinci_pll_clk_info da850_pll1_info = { diff --git a/drivers/clk/davinci/pll.c b/drivers/clk/davinci/pll.c index 7c4d808b8fdb..7d55e7470005 100644 --- a/drivers/clk/davinci/pll.c +++ b/drivers/clk/davinci/pll.c @@ -794,8 +794,10 @@ static struct davinci_pll_platform_data *davinci_pll_get_pdata(struct device *de return pdata; } +/* needed in early boot for clocksource/clockevent */ +CLK_OF_DECLARE(da850_pll0, "ti,da850-pll0", of_da850_pll0_init); + static const struct of_device_id davinci_pll_of_match[] = { - { .compatible = "ti,da850-pll0", .data = of_da850_pll0_init }, { .compatible = "ti,da850-pll1", .data = of_da850_pll1_init }, { } }; diff --git a/drivers/clk/davinci/pll.h b/drivers/clk/davinci/pll.h index 92a0978a7d29..5fe59ca45638 100644 --- a/drivers/clk/davinci/pll.h +++ b/drivers/clk/davinci/pll.h @@ -126,7 +126,7 @@ int da830_pll_init(struct device *dev, void __iomem *base, struct regmap *cfgchi int da850_pll0_init(struct device *dev, void __iomem *base, struct regmap *cfgchip); int da850_pll1_init(struct device *dev, void __iomem *base, struct regmap *cfgchip); -int of_da850_pll0_init(struct device *dev, void __iomem *base, struct regmap *cfgchip); +void of_da850_pll0_init(struct device_node *node); int of_da850_pll1_init(struct device *dev, void __iomem *base, struct regmap *cfgchip); int dm355_pll1_init(struct device *dev, void __iomem *base, struct regmap *cfgchip);