diff options
| author | Yannic Moog <y.moog@phytec.de> | 2024-09-24 09:53:04 +0200 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2024-10-17 16:46:22 +0800 |
| commit | 194a741645a4f1cbcd8e5acd9e93664141c97aca (patch) | |
| tree | fa42d4a891d4eb56e47f501c25967eba47b2f0f3 | |
| parent | 2d74caa74a0ac946893b52bed97fe586a5814dd6 (diff) | |
arm64: dts: imx8mp-phyboard-pollux-rdk: add gpio-fan
A GPIO fan may be connected to Pollux fan header. The fan should
activate at 60°C and stay active until critical SoC temperature is
reached and the board shuts down.
Signed-off-by: Yannic Moog <y.moog@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts index 50debe821c42..9b551a50533f 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts @@ -9,6 +9,7 @@ #include <dt-bindings/phy/phy-imx8-pcie.h> #include <dt-bindings/leds/leds-pca9532.h> #include <dt-bindings/pwm/pwm.h> +#include <dt-bindings/thermal/thermal.h> #include "imx8mp-phycore-som.dtsi" / { @@ -32,6 +33,16 @@ pwms = <&pwm3 0 50000 0>; }; + fan0: fan { + compatible = "gpio-fan"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_fan>; + gpio-fan,speed-map = <0 0 + 13000 1>; + gpios = <&gpio5 4 GPIO_ACTIVE_HIGH>; + #cooling-cells = <2>; + }; + panel1_lvds: panel-lvds { compatible = "edt,etml1010g3dra"; backlight = <&backlight_lvds>; @@ -111,6 +122,25 @@ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; + + thermal-zones { + soc-thermal { + trips { + active1: trip2 { + temperature = <60000>; + hysteresis = <2000>; + type = "active"; + }; + }; + + cooling-maps { + map1 { + trip = <&active1>; + cooling-device = <&fan0 1 THERMAL_NO_LIMIT>; + }; + }; + }; + }; }; /* TPM */ @@ -377,6 +407,12 @@ >; }; + pinctrl_fan: fan0grp { + fsl,pins = < + MX8MP_IOMUXC_SPDIF_RX__GPIO5_IO04 0x16 + >; + }; + pinctrl_flexcan1: flexcan1grp { fsl,pins = < MX8MP_IOMUXC_SAI5_RXD2__CAN1_RX 0x154 |