From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753197AbcLGEXz (ORCPT ); Tue, 6 Dec 2016 23:23:55 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:39717 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751672AbcLGEXw (ORCPT ); Tue, 6 Dec 2016 23:23:52 -0500 MIME-version: 1.0 Content-type: text/plain; charset=utf-8 X-AuditID: cbfee61b-f796f6d000004092-78-58478c4180f2 Content-transfer-encoding: 8BIT Message-id: <58478C41.5090500@samsung.com> Date: Wed, 07 Dec 2016 13:12:49 +0900 From: Chanwoo Choi Organization: Samsung Electronics User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 To: Krzysztof Kozlowski Cc: 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 References: <1480663087-4590-1-git-send-email-cw00.choi@samsung.com> <1480663087-4590-4-git-send-email-cw00.choi@samsung.com> <20161206190756.GA12683@kozik-lap> In-reply-to: <20161206190756.GA12683@kozik-lap> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrBIsWRmVeSWpSXmKPExsVy+t9jQV3HHvcIg73LNSzmHznHavHm7Rom i/7Hr5ktzp/fwG5xtukNu8Wmx9dYLS7vmsNmMeP8PiaL240r2Cxa9x5htzj8pp3VYtWuP4wO PB47Z91l99i0qpPNY/OSeo8t/UBe35ZVjB6fN8kFsEW52WSkJqakFimk5iXnp2TmpdsqhYa4 6VooKeQl5qbaKkXo+oYEKSmUJeaUAnlGBmjAwTnAPVhJ3y7BLWPPsg1MBesEKt4v5WhgbODt YuTkkBAwkWhqe8sGYYtJXLi3HswWEpjFKLHogDKIzSsgKPFj8j2WLkYODmYBeYkjl7IhTHWJ KVNyuxi5gKofMEq8nXSfHaJcS6LrWisTiM0ioCrx+O8pZhCbDSi+/8UNsPH8AooSV388ZgSZ IyoQIdF9ohIkLCKgKXH973dWkJnMAuuZJKZ0TgCrFxZwlGg+94kVYtkPRok5X3exgjRzCuhL /PgfNYFRcBaSS2chXDoL4dIFjMyrGCVSC5ILipPSc43yUsv1ihNzi0vz0vWS83M3MYJj9Zn0 DsbDu9wPMQpwMCrx8EZwuEcIsSaWFVfmHmKU4GBWEuEN7AIK8aYkVlalFuXHF5XmpBYfYjQF enUis5Rocj4wjeSVxBuamJuYGxtYmFtamhgpifM2zn4WLiSQnliSmp2aWpBaBNPHxMEp1cBY rLT73KSdcyabLdLeE6phnbNs0RxGw4+ipxZNZhSR/bNU63KmU/GGkt/Zy7vez4qZ8CWsOtb/ Vsn7nuJAM4XuD7MlHbXCmN2SrjbcbLrKtljqocyu2U8VLpv2bPA/LHLxP9OEPi1u3S05p4qv nnu38pN8oMKLBBllhUUZG175ztR8WMfy75G5EktxRqKhFnNRcSIAt4NjbOsCAAA= X-MTR: 20000000000000000@CPGS Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2016년 12월 07일 04:07, Krzysztof Kozlowski wrote: > 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? There is no any dependency. If you want to remain it always enabled, I'm OK. Best Regards, Chanwoo Choi > > 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 >> > > >