diff options
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx93-phyboard-nash-pwm-fan.dtso')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx93-phyboard-nash-pwm-fan.dtso | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx93-phyboard-nash-pwm-fan.dtso b/arch/arm64/boot/dts/freescale/imx93-phyboard-nash-pwm-fan.dtso new file mode 100644 index 000000000000..d1adf04d56d9 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx93-phyboard-nash-pwm-fan.dtso @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (C) 2025 PHYTEC Messtechnik GmbH + * Author: Primoz Fiser <primoz.fiser@norik.com> + */ + +#include <dt-bindings/pwm/pwm.h> +#include "imx93-pinfunc.h" + +/dts-v1/; +/plugin/; + +&{/} { + fan0: pwm-fan { + compatible = "pwm-fan"; + #cooling-cells = <2>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_fan>; + cooling-levels = <1 90 150 200 255>; + pwms = <&tpm6 1 40000 PWM_POLARITY_INVERTED>; + }; + + thermal-zones { + cpu-thermal { + trips { + cpu_low: cpu-low { + hysteresis = <3000>; + temperature = <50000>; + type = "active"; + }; + + cpu_med: cpu-med { + hysteresis = <3000>; + temperature = <58000>; + type = "active"; + }; + + cpu_high: cpu-high { + hysteresis = <3000>; + temperature = <65000>; + type = "active"; + }; + }; + + cooling-maps { + map1 { + cooling-device = <&fan0 1 1>; + trip = <&cpu_low>; + }; + + map2 { + cooling-device = <&fan0 2 2>; + trip = <&cpu_med>; + }; + + map3 { + cooling-device = <&fan0 4 4>; + trip = <&cpu_high>; + }; + }; + }; + }; +}; + +&tpm6 { + status = "okay"; +}; + +&iomuxc { + pinctrl_fan: fangrp { + fsl,pins = < + MX93_PAD_GPIO_IO23__TPM6_CH1 0x31e + >; + }; +}; |