diff options
| author | Nathan Morrisson <nmorrisson@phytec.com> | 2024-04-19 22:31:14 +0300 |
|---|---|---|
| committer | Nishanth Menon <nm@ti.com> | 2024-04-29 22:35:29 +0300 |
| commit | 954b585eace0bcb6070444fdbc8ee8c5148e3ee9 (patch) | |
| tree | d0bec68c675aefc2ab79058336983f066305bf49 /arch/arm64/boot | |
| parent | 04c6dd3466d7c19315c20b349e543d41c4420817 (diff) | |
| download | linux-954b585eace0bcb6070444fdbc8ee8c5148e3ee9.tar.xz | |
arm64: dts: ti: am64-phyboard-electra: Add overlay to enable a GPIO fan
The phyBOARD-Electra 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/20240419193114.3090084-1-nmorrisson@phytec.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Diffstat (limited to 'arch/arm64/boot')
| -rw-r--r-- | arch/arm64/boot/dts/ti/Makefile | 4 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-gpio-fan.dtso | 50 |
2 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 9a722c2473fb..fd91cf40af6d 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -48,6 +48,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am642-hummingboard-t.dtb dtb-$(CONFIG_ARCH_K3) += k3-am642-hummingboard-t-pcie.dtb dtb-$(CONFIG_ARCH_K3) += k3-am642-hummingboard-t-usb3.dtb dtb-$(CONFIG_ARCH_K3) += k3-am642-phyboard-electra-rdk.dtb +dtb-$(CONFIG_ARCH_K3) += k3-am642-phyboard-electra-gpio-fan.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am642-sk.dtb dtb-$(CONFIG_ARCH_K3) += k3-am642-tqma64xxl-mbax4xxl.dtb dtb-$(CONFIG_ARCH_K3) += k3-am64-tqma64xxl-mbax4xxl-sdcard.dtbo @@ -131,6 +132,8 @@ k3-am62p5-sk-csi2-tevi-ov5640-dtbs := k3-am62p5-sk.dtb \ k3-am62x-sk-csi2-tevi-ov5640.dtbo k3-am642-evm-icssg1-dualemac-dtbs := \ k3-am642-evm.dtb k3-am642-evm-icssg1-dualemac.dtbo +k3-am642-phyboard-electra-gpio-fan-dtbs := \ + k3-am642-phyboard-electra-rdk.dtb k3-am642-phyboard-electra-gpio-fan.dtbo k3-am642-tqma64xxl-mbax4xxl-sdcard-dtbs := \ k3-am642-tqma64xxl-mbax4xxl.dtb k3-am64-tqma64xxl-mbax4xxl-sdcard.dtbo k3-am642-tqma64xxl-mbax4xxl-wlan-dtbs := \ @@ -174,6 +177,7 @@ DTC_FLAGS_k3-am62-lp-sk += -@ DTC_FLAGS_k3-am62a7-sk += -@ DTC_FLAGS_k3-am62p5-sk += -@ DTC_FLAGS_k3-am642-evm += -@ +DTC_FLAGS_k3-am642-phyboard-electra-rdk += -@ DTC_FLAGS_k3-am642-tqma64xxl-mbax4xxl += -@ DTC_FLAGS_k3-am6548-iot2050-advanced-m2 += -@ DTC_FLAGS_k3-am68-sk-base-board += -@ diff --git a/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-gpio-fan.dtso b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-gpio-fan.dtso new file mode 100644 index 000000000000..5057658061b4 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-gpio-fan.dtso @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0-only OR MIT +/* + * Copyright (C) 2024 PHYTEC America LLC + * Author: Nathan Morrisson <nmorrisson@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 28 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 = < + AM64X_IOPAD(0x070, PIN_OUTPUT, 7) /* (V18) GPMC0_AD13.GPIO0_28 */ + >; + }; +}; + +&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>; + }; + }; + }; +}; |