From patchwork Fri Apr 8 04:25:07 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chanwoo Choi X-Patchwork-Id: 8780061 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 D3FE59FDCC for ; Fri, 8 Apr 2016 04:28:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EEE3E202B8 for ; Fri, 8 Apr 2016 04:28:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AD858202A1 for ; Fri, 8 Apr 2016 04:28:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757603AbcDHE1p (ORCPT ); Fri, 8 Apr 2016 00:27:45 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:45419 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755715AbcDHEZ0 (ORCPT ); Fri, 8 Apr 2016 00:25:26 -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 <0O5A00C6ZSA3Y120@mailout2.samsung.com>; Fri, 08 Apr 2016 13:25:15 +0900 (KST) Received: from epcpsbgm2new.samsung.com ( [172.20.52.115]) by epcpsbgr2.samsung.com (EPCPMTA) with SMTP id D5.82.04785.BA237075; Fri, 8 Apr 2016 13:25:15 +0900 (KST) X-AuditID: cbfee68e-f79d96d0000012b1-14-570732aba9fd Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2new.samsung.com (EPCPMTA) with SMTP id 40.E6.06699.AA237075; Fri, 8 Apr 2016 13:25:15 +0900 (KST) Received: from chan.10.32.193.11 ([10.113.62.212]) by mmp2.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0O5A00DKDS9YHX20@mmp2.samsung.com>; Fri, 08 Apr 2016 13:25:14 +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 v8 18/20] ARM: dts: Add support of bus frequency using VDD_INT for exynos3250-rinato Date: Fri, 08 Apr 2016 13:25:07 +0900 Message-id: <1460089509-16260-19-git-send-email-cw00.choi@samsung.com> X-Mailer: git-send-email 1.8.0 In-reply-to: <1460089509-16260-1-git-send-email-cw00.choi@samsung.com> References: <1460089509-16260-1-git-send-email-cw00.choi@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrIIsWRmVeSWpSXmKPExsWyRsSkWHe1EXu4QcsGPovrX56zWsw/co7V ov/NQlaLc69WMlpMuj+BxeL1C0OL/sevmS3ONr1ht9j0+BqrxeVdc9gsPvceYbSYcX4fk8W6 jbfYLW5f5rV4eeQHo8XS6xeZLG43rmCzmDB9LYvFmdOXWC1a9x5ht2hb/YHVQdRjzbw1jB4t zT1sHpf7epk8bt2p99g56y67x8rlX9g8Nq3qZPPYvKTe498xdo8tV9tZPPq2rGL0+LxJLoAn issmJTUnsyy1SN8ugSvjwoKTzAXreSo2HXzK3MDYwtXFyMkhIWAisWnZSRYIW0ziwr31bF2M XBxCAisYJTp62lhgiqZ1rWSGSMxilFh9cDErhPOFUaJt7UI2kCo2AS2J/S9ugNkiAikSjx+e BBvFLHCEWWLqxhtMIAlhgTSJV1svMoLYLAKqEvfONIHZvAJuEkuX7GaGWCcn8WHPI3YQmxMo PvnKJLC4kICrxI3N08HOkBDYwiHx+E0XC8QgAYlvkw8B2RxACVmJTQeg5khKHFxxg2UCo/AC RoZVjKKpBckFxUnpRUZ6xYm5xaV56XrJ+bmbGIExe/rfs74djDcPWB9iFOBgVOLhvfCeLVyI NbGsuDL3EKMp0IaJzFKiyfnAxJBXEm9obGZkYWpiamxkbmmmJM6bIPUzWEggPbEkNTs1tSC1 KL6oNCe1+BAjEwenVANj9+7LFyLZJyfGnfr+eZ5O1jyTAjUt2flCXu6Lj5/4H9dz+aRZrsR8 hheNE7YwPFjSbd5i1ZlzpEyjy//46u8f7ke93nbpyHHBlkN1Sw5bCFjwebtejjAwn5VzgjXn O4dmg3iNWJVadTl//ofHx7VOfDC59PfI7ZcShw+83MI+019iebfX+Up2JZbijERDLeai4kQA XQ+aiNQCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupjleLIzCtJLcpLzFFi42I5/e+xoO5qI/Zwg8fz2S2uf3nOajH/yDlW i/43C1ktzr1ayWgx6f4EFovXLwwt+h+/ZrY42/SG3WLT42usFpd3zWGz+Nx7hNFixvl9TBbr Nt5it7h9mdfi5ZEfjBZLr19ksrjduILNYsL0tSwWZ05fYrVo3XuE3aJt9QdWB1GPNfPWMHq0 NPeweVzu62XyuHWn3mPnrLvsHiuXf2Hz2LSqk81j85J6j3/H2D22XG1n8ejbsorR4/MmuQCe qAZGm4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNLC3MlhbzE3FRbJRefAF23zBygX5UU yhJzSoFCAYnFxUr6dpgmhIa46VrANEbo+oYEwfUYGaCBhDWMGRcWnGQuWM9TsengU+YGxhau LkZODgkBE4lpXSuZIWwxiQv31rN1MXJxCAnMYpRYfXAxK4TzhVGibe1CNpAqNgEtif0vboDZ IgIpEo8fngTrYBY4wiwxdeMNJpCEsECaxKutFxlBbBYBVYl7Z5rAbF4BN4mlS3ZDrZOT+LDn ETuIzQkUn3xlElhcSMBV4sbm6cwTGHkXMDKsYpRILUguKE5KzzXKSy3XK07MLS7NS9dLzs/d xAhOC8+kdzAe3uV+iFGAg1GJh/fCe7ZwIdbEsuLK3EOMEhzMSiK8rvrs4UK8KYmVValF+fFF pTmpxYcYTYEOm8gsJZqcD0xZeSXxhsYmZkaWRuaGFkbG5krivI//rwsTEkhPLEnNTk0tSC2C 6WPi4JRqYMx6vekOq6RMi9BBU/u2ps2HdDPcHs21/KTvsqqS9/TCpYqTfgfl7tvwuN1pUpFw bv6OlCVfnj7+lx8SmmU00fzxkZ1rA8wlXeyKT/T+/rVD6Wvl3MKa41sTLD/ez30k/nCzbU2R tfAj542338WHW+zNUO/brDTb9alK4ev4Gx1he90nvTl1JkKJpTgj0VCLuag4EQBGavo1IQMA AA== 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 bus device-tree nodes of INT (internal) block to enable the bus frequency scaling. The following sub-blocks share the VDD_INT power source: - LEFTBUS (parent device) - RIGHTBUS - PERIL - LCD0 - FSYS - MCUISP / ISP - MFC The LEFTBUS is parent device with devfreq ondemand governor and the rest of devices depend on the LEFTBUS device. Signed-off-by: Chanwoo Choi Reviewed-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos3250-rinato.dts | 41 +++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts index 9710e79e10a0..09444897b416 100644 --- a/arch/arm/boot/dts/exynos3250-rinato.dts +++ b/arch/arm/boot/dts/exynos3250-rinato.dts @@ -154,6 +154,47 @@ status = "okay"; }; +&bus_leftbus { + devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>; + vdd-supply = <&buck3_reg>; + status = "okay"; +}; + +&bus_rightbus { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_lcd0 { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_fsys { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_mcuisp { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_isp { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_peril { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_mfc { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + &cpu0 { cpu0-supply = <&buck2_reg>; };