Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753248AbcD0DZF (ORCPT ); Tue, 26 Apr 2016 23:25:05 -0400 Received: from hqemgate15.nvidia.com ([216.228.121.64]:15578 "EHLO hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752688AbcD0DZB (ORCPT ); Tue, 26 Apr 2016 23:25:01 -0400 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Tue, 26 Apr 2016 20:24:29 -0700 From: Wei Ni To: , , , CC: , , , , , , , Wei Ni Subject: [PATCH v2 7/9] arm64: tegra: set hot trips for Tegra210 Date: Wed, 27 Apr 2016 11:25:52 +0800 Message-ID: <1461727554-15065-8-git-send-email-wni@nvidia.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1461727554-15065-1-git-send-email-wni@nvidia.com> References: <1461727554-15065-1-git-send-email-wni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2197 Lines: 90 Enable throttle function for SOC_THERM. Set "hot" trips for cpu and gpu thermal zones, which can trigger the SOC_THERM hardware throttle. Signed-off-by: Wei Ni --- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 41 +++++++++++++++++++++++++------- 1 file changed, 32 insertions(+), 9 deletions(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index e3cca58a4c86..332771ab38e8 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -804,7 +804,9 @@ soctherm: thermal-sensor@0,700e2000 { compatible = "nvidia,tegra210-soctherm"; - reg = <0x0 0x700e2000 0x0 0x1000>; + reg = <0x0 0x700e2000 0x0 0x600 /* SOC_THERM reg_base */ + 0x0 0x60006000 0x0 0x400>; /* CAR reg_base */ + reg-names = "soctherm-reg", "car-reg"; interrupts = ; clocks = <&tegra_car TEGRA210_CLK_TSENSOR>, <&tegra_car TEGRA210_CLK_SOC_THERM>; @@ -812,6 +814,15 @@ resets = <&tegra_car 78>; reset-names = "soctherm"; #thermal-sensor-cells = <1>; + + throttle-cfgs { + throttle_heavy: heavy { + priority = <100>; + cpu-throt-depth = <85>; + + #cooling-cells = <2>; + }; + }; }; thermal-zones { @@ -828,13 +839,19 @@ hysteresis = <0>; type = "critical"; }; + + cpu_throttle_trip: throttle-trip { + temperature = <98500>; + hysteresis = <1000>; + type = "hot"; + }; }; cooling-maps { - /* - * There are currently no cooling maps, - * because there are no cooling devices. - */ + map0 { + trip = <&cpu_throttle_trip>; + cooling-device = <&throttle_heavy 1 1>; + }; }; }; mem { @@ -872,13 +889,19 @@ hysteresis = <0>; type = "critical"; }; + + gpu_throttle_trip: throttle-trip { + temperature = <100000>; + hysteresis = <1000>; + type = "hot"; + }; }; cooling-maps { - /* - * There are currently no cooling maps, - * because there are no cooling devices. - */ + map0 { + trip = <&gpu_throttle_trip>; + cooling-device = <&throttle_heavy 1 1>; + }; }; }; pllx { -- 1.9.1