From 44a201df71739a3c5ef3c40e58ebaccfd052d430 Mon Sep 17 00:00:00 2001 From: Anand Moon Date: Fri, 21 Oct 2022 05:09:03 +0000 Subject: arm64: dts: meson: Enable active coling using gpio-fan on Odroid N2/N2+ Odroid N2/N2+ support active cooling via gpio-fan controller. Add fan controls and tip point for cpu and ddr thermal sensor on this boards. Signed-off-by: Anand Moon Link: https://lore.kernel.org/r/20221021050906.1158-1-linux.amoon@gmail.com Signed-off-by: Neil Armstrong --- .../boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi index fd3fa82e4c330..667d2b7749244 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi @@ -39,6 +39,14 @@ reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>; }; + fan: gpio-fan { + compatible = "gpio-fan"; + gpios = <&gpio_ao GPIOAO_10 GPIO_ACTIVE_HIGH>; + /* Using Dummy Speed */ + gpio-fan,speed-map = <0 0>, <1 1>; + #cooling-cells = <2>; + }; + leds { compatible = "gpio-leds"; @@ -410,6 +418,40 @@ clock-latency = <50000>; }; +&cpu_thermal { + trips { + cpu_active: cpu-active { + temperature = <60000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "active"; + }; + }; + + cooling-maps { + map { + trip = <&cpu_active>; + cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; + +&ddr_thermal { + trips { + ddr_active: ddr-active { + temperature = <60000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "active"; + }; + }; + + cooling-maps { + map { + trip = <&ddr_active>; + cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; + &ext_mdio { external_phy: ethernet-phy@0 { /* Realtek RTL8211F (0x001cc916) */ -- cgit