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| author | Anand Moon <linux.amoon@gmail.com> | 2022-10-21 08:09:03 +0300 |
|---|---|---|
| committer | Neil Armstrong <neil.armstrong@linaro.org> | 2022-10-25 17:46:04 +0300 |
| commit | 44a201df71739a3c5ef3c40e58ebaccfd052d430 (patch) | |
| tree | 5957da39b378bd059d1a31d406cdcff24b7ba5f5 | |
| parent | ce759829b8fffac891780611b54a6be26a2d5a5f (diff) | |
| download | linux-44a201df71739a3c5ef3c40e58ebaccfd052d430.tar.xz | |
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 <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>
| -rw-r--r-- | arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 42 |
1 files changed, 42 insertions, 0 deletions
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 fd3fa82e4c33..667d2b774924 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) */ |