From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <1462776844-2152-1-git-send-email-wni@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1462776844-2152-1-git-send-email-wni-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: edubezval-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, rui.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org Cc: MLongnecker-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org, mikko.perttunen-/1wQRMveznE@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Wei Ni List-Id: devicetree@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 { -- 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