Am Dienstag, 18. Oktober 2022, 21:51:19 CEST schrieb Anand Moon:
> 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 {
I suspect this node name shall be 'ddr-active', not 'cpu-active'.
Best regards,
Alexander
> + 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
