From patchwork Thu Mar 24 04:25:22 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chanwoo Choi X-Patchwork-Id: 8657611 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C4A92C0553 for ; Thu, 24 Mar 2016 04:31:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0B2FB20376 for ; Thu, 24 Mar 2016 04:31:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4EE0F20340 for ; Thu, 24 Mar 2016 04:31:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932355AbcCXE3W (ORCPT ); Thu, 24 Mar 2016 00:29:22 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:42767 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751639AbcCXEZm (ORCPT ); Thu, 24 Mar 2016 00:25:42 -0400 Received: from epcpsbgr2.samsung.com (u142.gpu120.samsung.co.kr [203.254.230.142]) by mailout2.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0O4J02UF20AMETE0@mailout2.samsung.com>; Thu, 24 Mar 2016 13:25:34 +0900 (KST) Received: from epcpsbgm2new.samsung.com ( [172.20.52.115]) by epcpsbgr2.samsung.com (EPCPMTA) with SMTP id 62.D7.04972.E3C63F65; Thu, 24 Mar 2016 13:25:34 +0900 (KST) X-AuditID: cbfee68e-f793c6d00000136c-72-56f36c3efc86 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2new.samsung.com (EPCPMTA) with SMTP id 6B.17.09068.E3C63F65; Thu, 24 Mar 2016 13:25:34 +0900 (KST) Received: from chan.10.32.193.11 ([10.113.62.212]) by mmp1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0O4J007XC0AJOI80@mmp1.samsung.com>; Thu, 24 Mar 2016 13:25:34 +0900 (KST) From: Chanwoo Choi To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, k.kozlowski@samsung.com, kgene@kernel.org Cc: rjw@rjwysocki.net, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux@arm.linux.org.uk, linux.amoon@gmail.com, tjakobi@math.uni-bielefeld.de, cw00.choi@samsung.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH v5 13/21] ARM: dts: Add DMC bus frequency for exynos3250-rinato/monk Date: Thu, 24 Mar 2016 13:25:22 +0900 Message-id: <1458793530-31897-14-git-send-email-cw00.choi@samsung.com> X-Mailer: git-send-email 1.8.0 In-reply-to: <1458793530-31897-1-git-send-email-cw00.choi@samsung.com> References: <1458793530-31897-1-git-send-email-cw00.choi@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrAIsWRmVeSWpSXmKPExsWyRsSkWNcu53OYwZSXchbXvzxntZh/5Byr Rf+bhawW516tZLR4/cLQov/xa2aLs01v2C02Pb7GanF51xw2i8+9RxgtZpzfx2SxbuMtdovb l3ktll6/yGRxu3EFm8WE6WtZLM6cvsRq0br3CLtF2+oPrA7CHmvmrWH0aGnuYfO43NfL5LFz 1l12j5XLv7B5bFrVyeaxeUm9x79j7B5brrazePRtWcXo8XmTXAB3FJdNSmpOZllqkb5dAldG 11T3gl08FctfvmZsYDzM1cXIySEhYCJx7OUSNghbTOLCvfVANheHkMAKRolTN++wwRTtOj+J HSKxlFHi2NvJ7CAJIYEvjBIT/rCA2GwCWhL7X9wAaxARSJF4/PAk2CRmgSnMEsunN4MVCQuE Sby+exasiEVAVWLTt23MIDavgJvEu7b7jBDb5CQ+7HkEtoATKD61oYkFYpmrxNPHm1ghaqZy SOw5ZwIxR0Di2+RDQDUcQHFZiU0HmCFKJCUOrrjBMoFReAEjwypG0dSC5ILipPQiI73ixNzi 0rx0veT83E2MwIg8/e9Z3w7GmwesDzEKcDAq8fA2cHwOE2JNLCuuzD3EaAq0YSKzlGhyPjDu 80riDY3NjCxMTUyNjcwtzZTEeROkfgYLCaQnlqRmp6YWpBbFF5XmpBYfYmTi4JRqYJzp3el0 TYh7anD13tldAVPU0rxatTZ//D1V54XilDdq/WFayUk2slpLJn24YcploethPN2xovv1O0ml /SsY/jqx26j/2ZyTcvW+7MLzWTvv7brU9Xuv6dtt6z7ZSHDXv1VKFfJf+3+O3f3uSa8vXNv3 stam+7GV8gLH2E2l576/O1CQ/WR5524lluKMREMt5qLiRADNRww8wwIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrHIsWRmVeSWpSXmKPExsVy+t9jAV27nM9hBm1PJSyuf3nOajH/yDlW i/43C1ktzr1ayWjx+oWhRf/j18wWZ5vesFtsenyN1eLyrjlsFp97jzBazDi/j8li3cZb7Ba3 L/NaLL1+kcniduMKNosJ09eyWJw5fYnVonXvEXaLttUfWB2EPdbMW8Po0dLcw+Zxua+XyWPn rLvsHiuXf2Hz2LSqk81j85J6j3/H2D22XG1n8ejbsorR4/MmuQDuqAZGm4zUxJTUIoXUvOT8 lMy8dFsl7+B453hTMwNDXUNLC3MlhbzE3FRbJRefAF23zByg75QUyhJzSoFCAYnFxUr6dpgm hIa46VrANEbo+oYEwfUYGaCBhDWMGV1T3Qt28VQsf/masYHxMFcXIyeHhICJxK7zk9ghbDGJ C/fWs3UxcnEICSxllDj2djJYQkjgC6PEhD8sIDabgJbE/hc32EBsEYEUiccPT4I1MAtMYZZY Pr0ZrEhYIEzi9d2zYEUsAqoSm75tYwaxeQXcJN613WeE2CYn8WHPI7AFnEDxqQ1NLBDLXCWe Pt7EOoGRdwEjwypGidSC5ILipPRco7zUcr3ixNzi0rx0veT83E2M4Lh/Jr2D8fAu90OMAhyM Sjy8N7g+hwmxJpYVV+YeYpTgYFYS4V0fDhTiTUmsrEotyo8vKs1JLT7EaAp02ERmKdHkfGBK yiuJNzQ2MTOyNDI3tDAyNlcS5338f12YkEB6YklqdmpqQWoRTB8TB6dUA6NqYZpx5rTVrmLK mtVvc4oKuivdOVx23Pc6Hmn+McR0zcfXPpqRjvpWNS9K1taFneRWlVJOVa7ubSi4cJTdI1h6 Vv/xp82aYjO8L33/3Gmwoi+u1Xq3e87jYw/YGztuTuE7oSP3x7bw7jOxzZUrhfsXPpG/JT5p Z9/K6+luZQvv3knNZBIyVWIpzkg01GIuKk4EAILSbzARAwAA DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the DMC (Dynamic Memory Controller) bus frequency node which includes the devfreq-events and regulator properties. The bus frequency support the DVFS (Dynamic Voltage Frequency Scaling) feature with ondemand governor. The devfreq-events (ppmu_dmc0*) can monitor the utilization of DMC bus on runtime and the buck1_reg (VDD_MIF power line) supplies the power to the DMC block. Signed-off-by: Chanwoo Choi Reviewed-by: Krzysztof Kozlowski Acked-by: MyungJoo Ham --- arch/arm/boot/dts/exynos3250-monk.dts | 6 ++++++ arch/arm/boot/dts/exynos3250-rinato.dts | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts index 9e2840b59ae8..1fd7ecb5c415 100644 --- a/arch/arm/boot/dts/exynos3250-monk.dts +++ b/arch/arm/boot/dts/exynos3250-monk.dts @@ -156,6 +156,12 @@ }; }; +&bus_dmc { + devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>; + vdd-supply = <&buck1_reg>; + status = "okay"; +}; + &cpu0 { cpu0-supply = <&buck2_reg>; }; diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts index 1f102f3a1ab1..5175bd7e015f 100644 --- a/arch/arm/boot/dts/exynos3250-rinato.dts +++ b/arch/arm/boot/dts/exynos3250-rinato.dts @@ -147,6 +147,12 @@ }; }; +&bus_dmc { + devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>; + vdd-supply = <&buck1_reg>; + status = "okay"; +}; + &cpu0 { cpu0-supply = <&buck2_reg>; };