From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752623AbbKZNsW (ORCPT ); Thu, 26 Nov 2015 08:48:22 -0500 Received: from mailout4.samsung.com ([203.254.224.34]:40834 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751501AbbKZNsA (ORCPT ); Thu, 26 Nov 2015 08:48:00 -0500 X-AuditID: cbfee68f-f79666d0000076bb-bc-56570d7db90e From: Chanwoo Choi To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, kgene@kernel.org, k.kozlowski@samsung.com Cc: 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, 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, devicetree@vger.kernel.org Subject: [RFC PATCH 12/15] ARM: dts: Add support of bus frequency using VDD_INT for exynos3250-rinato Date: Thu, 26 Nov 2015 22:47:36 +0900 Message-id: <1448545659-32287-13-git-send-email-cw00.choi@samsung.com> X-Mailer: git-send-email 1.8.0 In-reply-to: <1448545659-32287-1-git-send-email-cw00.choi@samsung.com> References: <1448545659-32287-1-git-send-email-cw00.choi@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprCIsWRmVeSWpSXmKPExsWyRsSkULeWNzzM4PN1Q4vrX56zWsw/co7V ov/NQlaLc69WMlq8fmFo0f/4NbPF2aY37BaXd81hs/jce4TRYsb5fUwWty/zWiy9fhHIaFzB ZjFh+loWi9a9R9gt2lZ/YHUQ8Fgzbw2jR0tzD5vH5b5eJo+Vy7+weWxa1cnm8e8Yu0ffllWM Hp83yQVwRHHZpKTmZJalFunbJXBlzF0TUrCEu+Lr1lvMDYyTObsYOTkkBEwkpjXfZIWwxSQu 3FvP1sXIxSEksIJRou38GSaYorWbFzNBJJYySmxt/sIO4XxhlDh79gIbSBWbgJbE/hc3wGwR gRSJvzdnM4IUMQscYpI48+4IUDsHh7BAukTDcgWQGhYBVYkzD1aAbeAVcJPYvXkVG8Q2OYkP ex6xg9icQPFTVyYxgthCAq4Skz/2gJ0nIfCVXWLnqVZ2iEECEt8mH2IBmS8hICux6QAzxBxJ iYMrbrBMYBRewMiwilE0tSC5oDgpvchYrzgxt7g0L10vOT93EyMwsk7/e9a/g/HuAetDjAIc jEo8vAW2YWFCrIllxZW5hxhNgTZMZJYSTc4Hxm9eSbyhsZmRhamJqbGRuaWZkjjvQqmfwUIC 6YklqdmpqQWpRfFFpTmpxYcYmTg4pRoYt/LWXdy96FmvB2PY7rsmzpdOfnU/7yzx9tLxNJsj sxamrlNwEDmtptI/Y5rzqnc64rtb/zr+XvqyzGDvdb7CCcY1awUPLp55SEHl099Pkz4IW3F5 BJpUGQi8CvKV9N1d0XxsRx/nGtvV7Ne/7P2V+7Mlw1F20saYc3y7zx7hnz7FJC6CT60vXoml OCPRUIu5qDgRAAPpc6qnAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrIIsWRmVeSWpSXmKPExsVy+t9jAd1a3vAwg8lPtS2uf3nOajH/yDlW i/43C1ktzr1ayWjx+oWhRf/j18wWZ5vesFtc3jWHzeJz7xFGixnn9zFZ3L7Ma7H0+kUgo3EF m8WE6WtZLFr3HmG3aFv9gdVBwGPNvDWMHi3NPWwel/t6mTxWLv/C5rFpVSebx79j7B59W1Yx enzeJBfAEdXAaJORmpiSWqSQmpecn5KZl26r5B0c7xxvamZgqGtoaWGupJCXmJtqq+TiE6Dr lpkD9ICSQlliTilQKCCxuFhJ3w7ThNAQN10LmMYIXd+QILgeIwM0kLCGMWPumpCCJdwVX7fe Ym5gnMzZxcjJISFgIrF282ImCFtM4sK99WxdjFwcQgJLGSW2Nn9hh3C+MEqcPXuBDaSKTUBL Yv+LG2C2iECKxN+bsxlBipgFDjFJnHl3BGgUB4ewQLpEw3IFkBoWAVWJMw9WgG3gFXCT2L15 FRvENjmJD3sesYPYnEDxU1cmMYLYQgKuEpM/9rBNYORdwMiwilEitSC5oDgpPdcwL7Vcrzgx t7g0L10vOT93EyM4ep9J7WA8uMv9EKMAB6MSD2+BbViYEGtiWXFl7iFGCQ5mJRHeWyzhYUK8 KYmVValF+fFFpTmpxYcYTYEOm8gsJZqcD0wseSXxhsYmZkaWRuaGFkbG5krivBf2+4UJCaQn lqRmp6YWpBbB9DFxcEo1MBpOuRsq4VhgeN7mU53TpAVVImdDMmKmvteaxrf15I0XC1n92x4E Wex2YPc/WebnnMsfulF8qVTlXS7Pla5NGr53F0scuXNav9dtxXdDNu/kR9vyapbbxOX1ZD1b bPnA5suKZTFBDAtap0kejtbI2bvNeqHF76K9F+Ycnfj+d0rfq0cyAUcmXlZiKc5INNRiLipO BACDLCGK9AIAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds the bus device-tree node of INT (internal) block to enable the bus frequency. The following sub-blocks share the VDD_INT power source: - LEFTBUS (parent device) - RIGHTBUS - PERIL - LCD0 - FSYS - MCUISP / ISP The LEFTBUS is parent device with devfreq ondemand governor and the rest devices has the dependency on LEFTBUS bus. Signed-off-by: Chanwoo Choi --- arch/arm/boot/dts/exynos3250-rinato.dts | 36 +++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts index 61477943015b..9fc90d83968c 100644 --- a/arch/arm/boot/dts/exynos3250-rinato.dts +++ b/arch/arm/boot/dts/exynos3250-rinato.dts @@ -681,6 +681,42 @@ 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"; +}; + &xusbxti { clock-frequency = <24000000>; }; -- 1.9.1