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arm64: dts: meson: Enable active coling using gpio-fan on Odroid N2/N2+

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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 <linux.amoon@gmail.com>
Link: https://lore.kernel.org/r/20221021050906.1158-1-linux.amoon@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
This commit is contained in:
Anand Moon
2022-10-21 05:09:03 +00:00
committed by Neil Armstrong
parent ce759829b8
commit 44a201df71
1 changed files with 42 additions and 0 deletions
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42
arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
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@@ -39,6 +39,14 @@ emmc_pwrseq: emmc-pwrseq {
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 @@ &cpu103 {
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) */