From patchwork Mon Aug 14 16:12:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugeniy Paltsev X-Patchwork-Id: 801242 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=65.50.211.133; helo=bombadil.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ihg9wjz3"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xWLHV43ydz9sPr for ; Tue, 15 Aug 2017 02:12:54 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=cFSFp8sN5Mm8ZZYbaFs8vwH0MkCNRJ54Lze4fIYbbMA=; b=ihg9wjz3O7/hqb44cVZXO8XVNS yttmcIg132c+2F1SwB3AJrv/yzTE9BEQBOIPj95FGnNRi2P30rmIaEHt4D8KA5dJ0DItwZJyIDVSr 1KbE8LGv/om8Di/0YtTDJPyu+lmmF/2BFuc8Lal0SxTi2ilVB1HorEWR8CkhO1a7bDMjgeqyEaCON jeEKakrPEM/ZN3PCBuAJTVqU7lHHv4cSlARH/7AjMBGCH8brHeeExb6CifAcxSnrPP3YReBGL84ii rwD1FhZscoyxjN3eJugT0TtgcSniVx/zucTR4FipB6eyGTDLcK1Lc3CDNZSZKaIBHTxNxmjb9NQad 9Q8eVi2Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dhHz3-00036O-4F; Mon, 14 Aug 2017 16:12:53 +0000 Received: from us01smtprelay-2.synopsys.com ([198.182.60.111] helo=smtprelay.synopsys.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dhHyx-0002pi-6B for linux-snps-arc@lists.infradead.org; Mon, 14 Aug 2017 16:12:50 +0000 Received: from mailhost.synopsys.com (mailhost1.synopsys.com [10.12.238.239]) by smtprelay.synopsys.com (Postfix) with ESMTP id B65D210C15AA; Mon, 14 Aug 2017 09:12:27 -0700 (PDT) Received: from mailhost.synopsys.com (localhost [127.0.0.1]) by mailhost.synopsys.com (Postfix) with ESMTP id 9EE44C1E; Mon, 14 Aug 2017 09:12:27 -0700 (PDT) Received: from localhost.internal.synopsys.com (unknown [10.121.8.106]) by mailhost.synopsys.com (Postfix) with ESMTP id B2F64BF1; Mon, 14 Aug 2017 09:12:25 -0700 (PDT) From: Eugeniy Paltsev To: linux-snps-arc@lists.infradead.org Subject: [PATCH 3/5] ARC: AXS103: DTS: Add core pll node to manage cpu frequency Date: Mon, 14 Aug 2017 19:12:11 +0300 Message-Id: <20170814161213.17522-4-Eugeniy.Paltsev@synopsys.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170814161213.17522-1-Eugeniy.Paltsev@synopsys.com> References: <20170814161213.17522-1-Eugeniy.Paltsev@synopsys.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170814_091247_501160_B1521D36 X-CRM114-Status: UNSURE ( 6.08 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [198.182.60.111 listed in list.dnswl.org] -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Vineet Gupta , Alexey Brodkin , linux-kernel@vger.kernel.org, Rob Herring , Eugeniy Paltsev MIME-Version: 1.0 Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Add core pll node (core_clk) to manage cpu frequency. core_clk represents pll itself. input_clk represents clock signal source (basically xtal) which comes to pll input. Signed-off-by: Eugeniy Paltsev --- arch/arc/boot/dts/axc003.dtsi | 11 +++++++++-- arch/arc/boot/dts/axc003_idu.dtsi | 11 +++++++++-- 2 files changed, 18 insertions(+), 4 deletions(-) diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi index cc9239e..dca7e39 100644 --- a/arch/arc/boot/dts/axc003.dtsi +++ b/arch/arc/boot/dts/axc003.dtsi @@ -24,10 +24,17 @@ ranges = <0x00000000 0x0 0xf0000000 0x10000000>; - core_clk: core_clk { + input_clk: input-clk { #clock-cells = <0>; compatible = "fixed-clock"; - clock-frequency = <90000000>; + clock-frequency = <33333333>; + }; + + core_clk: core-clk@80 { + compatible = "snps,axs10x-arc-pll-clock"; + reg = <0x80 0x10>, <0x100 0x10>; + #clock-cells = <0>; + clocks = <&input_clk>; }; core_intc: archs-intc@cpu { diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi index 4ebb2170..5b56bef 100644 --- a/arch/arc/boot/dts/axc003_idu.dtsi +++ b/arch/arc/boot/dts/axc003_idu.dtsi @@ -24,10 +24,17 @@ ranges = <0x00000000 0x0 0xf0000000 0x10000000>; - core_clk: core_clk { + input_clk: input-clk { #clock-cells = <0>; compatible = "fixed-clock"; - clock-frequency = <100000000>; + clock-frequency = <33333333>; + }; + + core_clk: core-clk@80 { + compatible = "snps,axs10x-arc-pll-clock"; + reg = <0x80 0x10>, <0x100 0x10>; + #clock-cells = <0>; + clocks = <&input_clk>; }; core_intc: archs-intc@cpu {