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arm64: dts: imx8mp-phyboard-pollux-rdk: add gpio-fan

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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>
This commit is contained in:
Yannic Moog 2024-09-24 09:53:04 +02:00 • committed by Shawn Guo
parent 2d74caa74a
commit 194a741645
1 changed files with 36 additions and 0 deletions
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36
arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
View file

@ -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