From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752819AbcLFTII (ORCPT ); Tue, 6 Dec 2016 14:08:08 -0500 Received: from mail-wj0-f195.google.com ([209.85.210.195]:34543 "EHLO mail-wj0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751932AbcLFTIE (ORCPT ); Tue, 6 Dec 2016 14:08:04 -0500 Date: Tue, 6 Dec 2016 21:07:56 +0200 From: Krzysztof Kozlowski To: Chanwoo Choi Cc: krzk@kernel.org, javier@osg.samsung.com, kgene@kernel.org, robh+dt@kernel.org, s.nawrocki@samsung.com, tomasz.figa@gmail.com, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/5] arm64: dts: exynos5433: Add PPMU dt node Message-ID: <20161206190756.GA12683@kozik-lap> References: <1480663087-4590-1-git-send-email-cw00.choi@samsung.com> <1480663087-4590-4-git-send-email-cw00.choi@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1480663087-4590-4-git-send-email-cw00.choi@samsung.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 02, 2016 at 04:18:05PM +0900, Chanwoo Choi wrote: > This patch adds PPMU (Platform Performance Monitoring Unit) Device-tree node > to measure the utilization of each IP in Exynos SoC. > > - PPMU_D{0|1}_CPU are used to measure the utilization of MIF (Memory Interface) > block with VDD_MIF power source. > - PPMU_D{0|1}_GENERAL are used to measure the utilization of INT(Internal) > block with VDD_INT power source. > > Signed-off-by: Chanwoo Choi > --- > arch/arm64/boot/dts/exynos/exynos5433.dtsi | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi > index 64226d5ae471..8c4ee84d5232 100644 > --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi > +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi > @@ -599,6 +599,30 @@ > clock-names = "fin_pll", "mct"; > }; > > + ppmu_d0_cpu: ppmu@10480000 { > + compatible = "samsung,exynos-ppmu-v2"; > + reg = <0x10480000 0x2000>; > + status = "disabled"; Why these are disabled? They have some external dependencies? Best regards, Krzysztof > + }; > + > + ppmu_d0_general: ppmu@10490000 { > + compatible = "samsung,exynos-ppmu-v2"; > + reg = <0x10490000 0x2000>; > + status = "disabled"; > + }; > + > + ppmu_d1_cpu: ppmu@104b0000 { > + compatible = "samsung,exynos-ppmu-v2"; > + reg = <0x104b0000 0x2000>; > + status = "disabled"; > + }; > + > + ppmu_d1_general: ppmu@104c0000 { > + compatible = "samsung,exynos-ppmu-v2"; > + reg = <0x104c0000 0x2000>; > + status = "disabled"; > + }; > + > pinctrl_alive: pinctrl@10580000 { > compatible = "samsung,exynos5433-pinctrl"; > reg = <0x10580000 0x1a20>, <0x11090000 0x100>; > -- > 1.9.1 >