diff options
| author | Nathan Morrisson <nmorrisson@phytec.com> | 2024-02-12 16:52:48 -0800 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2024-02-15 19:42:40 +0530 |
| commit | d8280f30a9cd1e4c88f42764d548da3d529a52a8 (patch) | |
| tree | 008c474431fbc9c5cd718cb439995c922d752e60 | |
| parent | 7f25d6926d178734db17cfc12f0b1841e82914da (diff) | |
arm64: dts: ti: am62-phyboard-lyra: Add overlay to enable a GPIO fan
The phyBOARD-Lyra has a GPIO fan header. This overlay enables the fan
header and sets the fan to turn on at 65C.
Signed-off-by: Nathan Morrisson <nmorrisson@phytec.com>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20240213005248.1027842-1-nmorrisson@phytec.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
| -rw-r--r-- | arch/arm64/boot/dts/ti/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am62x-phyboard-lyra-gpio-fan.dtso | 50 |
2 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 75033b6e8693..d24ec2c74f51 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -22,6 +22,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dahlia.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dev.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-mallow.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-yavia.dtb +dtb-$(CONFIG_ARCH_K3) += k3-am62x-phyboard-lyra-gpio-fan.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am62-lp-sk.dtb # Boards with AM62Ax SoC @@ -92,6 +93,8 @@ k3-am625-beagleplay-csi2-ov5640-dtbs := k3-am625-beagleplay.dtb \ k3-am625-beagleplay-csi2-ov5640.dtbo k3-am625-beagleplay-csi2-tevi-ov5640-dtbs := k3-am625-beagleplay.dtb \ k3-am625-beagleplay-csi2-tevi-ov5640.dtbo +k3-am625-phyboard-lyra-gpio-fan-dtbs := k3-am625-phyboard-lyra-rdk.dtb \ + k3-am62x-phyboard-lyra-gpio-fan.dtbo k3-am625-sk-csi2-imx219-dtbs := k3-am625-sk.dtb \ k3-am62x-sk-csi2-imx219.dtbo k3-am625-sk-csi2-ov5640-dtbs := k3-am625-sk.dtb \ diff --git a/arch/arm64/boot/dts/ti/k3-am62x-phyboard-lyra-gpio-fan.dtso b/arch/arm64/boot/dts/ti/k3-am62x-phyboard-lyra-gpio-fan.dtso new file mode 100644 index 000000000000..f0b2fd4165a7 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am62x-phyboard-lyra-gpio-fan.dtso @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0-only OR MIT +/* + * Copyright (C) 2024 PHYTEC America LLC + * Author: Garrett Giordano <ggiordano@phytec.com> + */ + +/dts-v1/; +/plugin/; + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/thermal/thermal.h> +#include "k3-pinctrl.h" + +&{/} { + fan: gpio-fan { + compatible = "gpio-fan"; + gpio-fan,speed-map = <0 0 8600 1>; + gpios = <&main_gpio0 40 GPIO_ACTIVE_LOW>; + #cooling-cells = <2>; + pinctrl-names = "default"; + pinctrl-0 = <&gpio_fan_pins_default>; + }; +}; + +&main_pmx0 { + gpio_fan_pins_default: gpio-fan-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x0a4, PIN_OUTPUT, 7) /* (M22) GPMC0_DIR.GPIO0_40 */ + >; + }; +}; + +&thermal_zones { + main0_thermal: main0-thermal { + trips { + main0_thermal_trip0: main0-thermal-trip { + temperature = <65000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "active"; + }; + }; + + cooling-maps { + map0 { + trip = <&main0_thermal_trip0>; + cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; +}; |