From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [PATCH 3/5] arm64: dts: exynos5433: Add PPMU dt node Date: Tue, 6 Dec 2016 21:07:56 +0200 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 Return-path: Content-Disposition: inline In-Reply-To: <1480663087-4590-4-git-send-email-cw00.choi-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Chanwoo Choi Cc: krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, javier-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org, kgene-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, s.nawrocki-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, tomasz.figa-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, myungjoo.ham-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@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 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html