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@xxxxxxxxx>
---
.../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 fd3fa82e4c33..e61a4285a910 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 @@ 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: cpu-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) */
base-commit: aae703b02f92bde9264366c545e87cec451de471
--
2.38.0
