From patchwork Sun Mar 27 23:38:02 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chanwoo Choi X-Patchwork-Id: 8677251 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1DB869F3D1 for ; Sun, 27 Mar 2016 23:43:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 43A09201B9 for ; Sun, 27 Mar 2016 23:43:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5ACE520218 for ; Sun, 27 Mar 2016 23:43:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753866AbcC0Xnb (ORCPT ); Sun, 27 Mar 2016 19:43:31 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:33801 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752665AbcC0XiU (ORCPT ); Sun, 27 Mar 2016 19:38:20 -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 <0O4Q02X021NR7RB0@mailout2.samsung.com>; Mon, 28 Mar 2016 08:38:15 +0900 (KST) Received: from epcpsbgm2new.samsung.com ( [172.20.52.112]) by epcpsbgr2.samsung.com (EPCPMTA) with SMTP id 42.54.04785.7EE68F65; Mon, 28 Mar 2016 08:38:15 +0900 (KST) X-AuditID: cbfee68e-f79d96d0000012b1-e3-56f86ee72752 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2new.samsung.com (EPCPMTA) with SMTP id E4.B2.06699.7EE68F65; Mon, 28 Mar 2016 08:38:15 +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 <0O4Q0044Y1NPUV30@mmp1.samsung.com>; Mon, 28 Mar 2016 08:38:15 +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, m.reichl@fivetechno.de, tjakobi@math.uni-bielefeld.de, inki.dae@samsung.com, 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 v6 13/21] ARM: dts: Add DMC bus frequency for exynos3250-rinato/monk Date: Mon, 28 Mar 2016 08:38:02 +0900 Message-id: <1459121890-4601-14-git-send-email-cw00.choi@samsung.com> X-Mailer: git-send-email 1.8.0 In-reply-to: <1459121890-4601-1-git-send-email-cw00.choi@samsung.com> References: <1459121890-4601-1-git-send-email-cw00.choi@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrPIsWRmVeSWpSXmKPExsWyRsSkQPd53o8wgz0LDC2uf3nOajH/yDlW i/43C1ktzr1ayWgx6f4EFovXLwwt+h+/ZrY42/SG3WLT42usFpd3zWGz+Nx7hNFixvl9TBbr Nt5it7h9mdfi5ZEfjBZLr19ksrjduILNYsL0tSwWZ05fYrVo3XuE3aJt9QdWB1GPNfPWMHq0 NPeweVzu62XyuHWn3mPnrLvsHiuXf2Hz2LSqk81j85J6j3/H2D22XG1n8ejbsorR4/MmuQCe KC6blNSczLLUIn27BK6MrqnuBbt4Kpa/fM3YwHiYq4uRk0NCwERi5tcFbBC2mMSFe+uBbC4O IYEVjBLdZyewwhRtbV7NBGILCSxllGh4zAlR9IVR4vmzQ4wgCTYBLYn9L26ATRIRSJF4/PAk 2CRmgSPMElM33gDrFhYIk+hcdZsFxGYRUJWY0PALrIFXwFVi1+keRohtchIf9jxiB7E5geLN X+cyQmx2kdj2chk7yFAJgZUcEie737NBDBKQ+Db5ENBQDqCErMSmA8wQcyQlDq64wTKBUXgB I8MqRtHUguSC4qT0IiO94sTc4tK8dL3k/NxNjMB4Pf3vWd8OxpsHrA8xCnAwKvHwHrD+ESbE mlhWXJl7iNEUaMNEZinR5HxgUsgriTc0NjOyMDUxNTYytzRTEudNkPoZLCSQnliSmp2aWpBa FF9UmpNafIiRiYNTqoGx/hXjiay2i0d27t1RxfhMpTcze7J/Nzub+NRJnu1xIk9sZ008ncSV pXsu8/FcVk3r9OppKklrZDbs3HC+5sVGj6jTj08dE3hwjO86442ZM0L5yrda+bn8mVYywetx uL7Vc52X+uXvjNq+uM6+GHdK9ke+w+oZLkdtzkTOP5pZWuv2P3dFpl2WEktxRqKhFnNRcSIA KVD+8tICAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFuphleLIzCtJLcpLzFFi42I5/e+xgO7zvB9hBm/eallc//Kc1WL+kXOs Fv1vFrJanHu1ktFi0v0JLBavXxha9D9+zWxxtukNu8Wmx9dYLS7vmsNm8bn3CKPFjPP7mCzW bbzFbnH7Mq/FyyM/GC2WXr/IZHG7cQWbxYTpa1kszpy+xGrRuvcIu0Xb6g+sDqIea+atYfRo ae5h87jc18vkcetOvcfOWXfZPVYu/8LmsWlVJ5vH5iX1Hv+OsXtsudrO4tG3ZRWjx+dNcgE8 UQ2MNhmpiSmpRQqpecn5KZl56bZK3sHxzvGmZgaGuoaWFuZKCnmJuam2Si4+AbpumTlAvyop lCXmlAKFAhKLi5X07TBNCA1x07WAaYzQ9Q0JgusxMkADCWsYM7qmuhfs4qlY/vI1YwPjYa4u Rk4OCQETia3Nq5kgbDGJC/fWs4HYQgJLGSUaHnN2MXIB2V8YJZ4/O8QIkmAT0JLY/+IGWJGI QIrE44cn2UCKmAWOMEtM3XgDbJKwQJhE56rbLCA2i4CqxISGX2ANvAKuErtO9zBCbJOT+LDn ETuIzQkUb/46lxFis4vEtpfL2Ccw8i5gZFjFKJFakFxQnJSea5SXWq5XnJhbXJqXrpecn7uJ EZwSnknvYDy8y/0QowAHoxIPb4bljzAh1sSy4srcQ4wSHMxKIrxVaUAh3pTEyqrUovz4otKc 1OJDjKZAh01klhJNzgemq7ySeENjEzMjSyNzQwsjY3Mlcd7H/9eFCQmkJ5akZqemFqQWwfQx cXBKNTAmKFxRq6zj5LX44PX7qSHHmlXfQz5ekHjA5/7FszOZ2Xjicc3CbWKrdy2Xns6YZP9j udmfA48dfQqi2d1TRNqcOP5uVr/Y1HPm/Xrefdc778fESETKLmi095/gLTJZqqrkTUmImIjD 68UipZ3Xo+Ykrl1t1e8k66Px72TexkT52/IGgjkek5VYijMSDbWYi4oTAXEFlMEfAwAA 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=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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>; };