Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751758AbcDKECw (ORCPT ); Mon, 11 Apr 2016 00:02:52 -0400 Received: from mailout1.samsung.com ([203.254.224.24]:41183 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751314AbcDKD6K (ORCPT ); Sun, 10 Apr 2016 23:58:10 -0400 X-AuditID: cbfee68f-f79c86d0000012ad-80-570b20c97d89 From: Chanwoo Choi To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, k.kozlowski@samsung.com, kgene@kernel.org, s.nawrocki@samsung.com, tomasz.figa@gmail.com 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 v9 12/20] ARM: dts: Add DMC bus frequency for exynos3250-rinato/monk Date: Mon, 11 Apr 2016 12:57:50 +0900 Message-id: <1460347078-15175-13-git-send-email-cw00.choi@samsung.com> X-Mailer: git-send-email 1.8.0 In-reply-to: <1460347078-15175-1-git-send-email-cw00.choi@samsung.com> References: <1460347078-15175-1-git-send-email-cw00.choi@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrBIsWRmVeSWpSXmKPExsWyRsSkQPekAne4wZ0duhbXvzxntZh/5Byr Rf+bhawW516tZLSYdH8Ci8XrF4YW/Y9fM1ucbXrDbrHp8TVWi8u75rBZfO49wmgx4/w+Jot1 G2+xW9y+zGvx8sgPRoul1y8yWdxuXMFmMWH6WhaLM6cvsVq07j3CbnH4TTurRdvqD6wWq3b9 YXQQ91gzbw2jR0tzD5vH5b5eJo9bd+o9ds66y+6xcvkXNo9NqzrZPDYvqff4d4zdY8vVdhaP vi2rGD0+b5IL4InisklJzcksSy3St0vgyuia6l6wi6di+cvXjA2Mh7m6GDk4JARMJN5eDehi 5AQyxSQu3FvP1sXIxSEksIJR4uySViaIhInE+0kLoBKzGCWW9P5jB0kICXxhlOj8lgRiswlo Sex/cQOsSERgKqPE51NtLCAOs8ARZompG2+AjRIWCJP4tnYvK4jNIqAq8ffnB7BJvAJuEp8W 9bBBrJOT+LDnEVicEyS+vp0V5FQhAVeJZ5/rQGZKCBzgkLjdfZMZYo6AxLfJh1gg3pGV2HSA GWKMpMTBFTdYJjAKL2BkWMUomlqQXFCclF5krFecmFtcmpeul5yfu4kRGMGn/z3r38F494D1 IUYBDkYlHl6Ha1zhQqyJZcWVuYcYTYE2TGSWEk3OB6aJvJJ4Q2MzIwtTE1NjI3NLMyVx3oVS P4OFBNITS1KzU1MLUovii0pzUosPMTJxcEo1MGYJSJiw8c94kbJAt6nscUzxxKtqmzYq8v8v bPvyq3ebkOzmyjL12MhFPw5PYM6deET/UTOTt9sG31fnr56YqOy+7+AHT6Ovke+/HexbzbJM wEd4q6mk7WMjfXbu/fu6t/L96Htrl9tSPels9efD8iL3jutplwZavXVS2LBn2RbdYH1JjqD0 fiWW4oxEQy3mouJEAHOVc43bAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprGKsWRmVeSWpSXmKPExsVy+t9jQd2TCtzhBpfvqVlc//Kc1WL+kXOs Fv1vFrJanHu1ktFi0v0JLBavXxha9D9+zWxxtukNu8Wmx9dYLS7vmsNm8bn3CKPFjPP7mCzW bbzFbnH7Mq/FyyM/GC2WXr/IZHG7cQWbxYTpa1kszpy+xGrRuvcIu8XhN+2sFm2rP7BarNr1 h9FB3GPNvDWMHi3NPWwel/t6mTxu3an32DnrLrvHyuVf2Dw2repk89i8pN7j3zF2jy1X21k8 +rasYvT4vEkugCeqgdEmIzUxJbVIITUvOT8lMy/dVsk7ON453tTMwFDX0NLCXEkhLzE31VbJ xSdA1y0zB+hrJYWyxJxSoFBAYnGxkr4dpgmhIW66FjCNEbq+IUFwPUYGaCBhDWNG11T3gl08 FctfvmZsYDzM1cXIySEhYCLxftICNghbTOLCvfVANheHkMAsRoklvf/YQRJCAl8YJTq/JYHY bAJaEvtf3AArEhGYyijx+VQbC4jDLHCEWWLqxhtMIFXCAmES39buZQWxWQRUJf7+/AA2iVfA TeLToh6odXISH/Y8AotzgsTXtwPVcwBtc5V49rluAiPvAkaGVYwSqQXJBcVJ6blGeanlesWJ ucWleel6yfm5mxjBaeKZ9A7Gw7vcDzEKcDAq8fC+uMwVLsSaWFZcmXuIUYKDWUmE94Esd7gQ b0piZVVqUX58UWlOavEhRlOguyYyS4km5wNTWF5JvKGxiZmRpZG5oYWRsbmSOO/j/+vChATS E0tSs1NTC1KLYPqYODilGhiXrH8zu7Fh5a3pqmb9i04sdFDdrK6nY32pdcL+if1LrnyQWl2b /nhGNbviBr6Wnxeyzctk59Tc+mf+9TC/xftMl7yokrDO00vMXn2KXL58+Zx/FT1nS1Rk7c8Y yGTUTTS7wH5hm+IMbctDMdcP+s5s3zSj6zPnxTgmJolbRk1Xtuz/+pEr70OMEktxRqKhFnNR cSIAk814kykDAAA= 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 Content-Length: 1539 Lines: 53 This patch adds the DMC (Dynamic Memory Controller) bus frequency node which includes the devfreq-events and regulator properties. The bus frequency support the DVFS (Dynamic Voltage Frequency Scaling) feature with ondemand governor. The devfreq-events (ppmu_dmc0*) can monitor the utilization of DMC bus on runtime and the buck1_reg (VDD_MIF power line) supplies the power to the DMC block. Signed-off-by: Chanwoo Choi Reviewed-by: Krzysztof Kozlowski Acked-by: MyungJoo Ham --- arch/arm/boot/dts/exynos3250-monk.dts | 6 ++++++ arch/arm/boot/dts/exynos3250-rinato.dts | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts index 9e2840b59ae8..1fd7ecb5c415 100644 --- a/arch/arm/boot/dts/exynos3250-monk.dts +++ b/arch/arm/boot/dts/exynos3250-monk.dts @@ -156,6 +156,12 @@ }; }; +&bus_dmc { + devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>; + vdd-supply = <&buck1_reg>; + status = "okay"; +}; + &cpu0 { cpu0-supply = <&buck2_reg>; }; diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts index 1f102f3a1ab1..5175bd7e015f 100644 --- a/arch/arm/boot/dts/exynos3250-rinato.dts +++ b/arch/arm/boot/dts/exynos3250-rinato.dts @@ -147,6 +147,12 @@ }; }; +&bus_dmc { + devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>; + vdd-supply = <&buck1_reg>; + status = "okay"; +}; + &cpu0 { cpu0-supply = <&buck2_reg>; }; -- 1.9.1