From patchwork Mon May 9 06:54:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Ni X-Patchwork-Id: 619730 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3r3Cl34NBCz9snl for ; Mon, 9 May 2016 16:53:19 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751371AbcEIGxE (ORCPT ); Mon, 9 May 2016 02:53:04 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:18297 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750975AbcEIGw7 (ORCPT ); Mon, 9 May 2016 02:52:59 -0400 Received: from hqnvupgp07.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com id ; Sun, 08 May 2016 23:52:47 -0700 Received: from HQMAIL101.nvidia.com ([172.20.187.10]) by hqnvupgp07.nvidia.com (PGP Universal service); Sun, 08 May 2016 23:51:31 -0700 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Sun, 08 May 2016 23:51:31 -0700 Received: from HQMAIL107.nvidia.com (172.20.187.13) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1130.7; Mon, 9 May 2016 06:52:58 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server id 15.0.1130.7 via Frontend Transport; Mon, 9 May 2016 06:52:58 +0000 Received: from niwei-dev.nvidia.com (Not Verified[10.19.224.146]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7, 5, 5, 8150) id ; Sun, 08 May 2016 23:52:58 -0700 From: Wei Ni To: , , , CC: , , , , , , , Wei Ni Subject: [PATCH v4 11/11] arm64: tegra: set hot trips for Tegra210 Date: Mon, 9 May 2016 14:54:04 +0800 Message-ID: <1462776844-2152-12-git-send-email-wni@nvidia.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1462776844-2152-1-git-send-email-wni@nvidia.com> References: <1462776844-2152-1-git-send-email-wni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 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 e55589c8a561..b364153ae7e9 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -808,7 +808,9 @@ soctherm: thermal-sensor@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>; @@ -816,6 +818,15 @@ resets = <&tegra_car 78>; reset-names = "soctherm"; #thermal-sensor-cells = <1>; + + throttle-cfgs { + throttle_heavy: nvidia,heavy { + nvidia,priority = <100>; + nvidia,cpu-throt-percent = <85>; + + #cooling-cells = <2>; + }; + }; }; thermal-zones { @@ -832,13 +843,19 @@ 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 { @@ -876,13 +893,19 @@ 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 {