projects / packages / kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| da5d2fbd JP |
1 | From 44a201df71739a3c5ef3c40e58ebaccfd052d430 Mon Sep 17 00:00:00 2001 |
| 2 | From: Anand Moon <linux.amoon@gmail.com> | |
| 3 | Date: Fri, 21 Oct 2022 05:09:03 +0000 | |
| 4 | Subject: arm64: dts: meson: Enable active coling using gpio-fan on Odroid | |
| 5 | N2/N2+ | |
| 6 | ||
| 7 | Odroid N2/N2+ support active cooling via gpio-fan controller. | |
| 8 | Add fan controls and tip point for cpu and ddr thermal sensor | |
| 9 | on this boards. | |
| 10 | ||
| 11 | Signed-off-by: Anand Moon <linux.amoon@gmail.com> | |
| 12 | Link: https://lore.kernel.org/r/20221021050906.1158-1-linux.amoon@gmail.com | |
| 13 | Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> | |
| 14 | --- | |
| 15 | .../boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 42 ++++++++++++++++++++++ | |
| 16 | 1 file changed, 42 insertions(+) | |
| 17 | ||
| 18 | diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | |
| 19 | index fd3fa82e4c330..667d2b7749244 100644 | |
| 20 | --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | |
| 21 | +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | |
| 22 | @@ -39,6 +39,14 @@ | |
| 23 | reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>; | |
| 24 | }; | |
| 25 | ||
| 26 | + fan: gpio-fan { | |
| 27 | + compatible = "gpio-fan"; | |
| 28 | + gpios = <&gpio_ao GPIOAO_10 GPIO_ACTIVE_HIGH>; | |
| 29 | + /* Using Dummy Speed */ | |
| 30 | + gpio-fan,speed-map = <0 0>, <1 1>; | |
| 31 | + #cooling-cells = <2>; | |
| 32 | + }; | |
| 33 | + | |
| 34 | leds { | |
| 35 | compatible = "gpio-leds"; | |
| 36 | ||
| 37 | @@ -410,6 +418,40 @@ | |
| 38 | clock-latency = <50000>; | |
| 39 | }; | |
| 40 | ||
| 41 | +&cpu_thermal { | |
| 42 | + trips { | |
| 43 | + cpu_active: cpu-active { | |
| 44 | + temperature = <60000>; /* millicelsius */ | |
| 45 | + hysteresis = <2000>; /* millicelsius */ | |
| 46 | + type = "active"; | |
| 47 | + }; | |
| 48 | + }; | |
| 49 | + | |
| 50 | + cooling-maps { | |
| 51 | + map { | |
| 52 | + trip = <&cpu_active>; | |
| 53 | + cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; | |
| 54 | + }; | |
| 55 | + }; | |
| 56 | +}; | |
| 57 | + | |
| 58 | +&ddr_thermal { | |
| 59 | + trips { | |
| 60 | + ddr_active: ddr-active { | |
| 61 | + temperature = <60000>; /* millicelsius */ | |
| 62 | + hysteresis = <2000>; /* millicelsius */ | |
| 63 | + type = "active"; | |
| 64 | + }; | |
| 65 | + }; | |
| 66 | + | |
| 67 | + cooling-maps { | |
| 68 | + map { | |
| 69 | + trip = <&ddr_active>; | |
| 70 | + cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; | |
| 71 | + }; | |
| 72 | + }; | |
| 73 | +}; | |
| 74 | + | |
| 75 | &ext_mdio { | |
| 76 | external_phy: ethernet-phy@0 { | |
| 77 | /* Realtek RTL8211F (0x001cc916) */ | |
| 78 | -- | |
| 79 | cgit | |
| 80 |