Message ID | 20240209002916.1284433-1-nmorrisson@phytec.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [v2] arm64: dts: ti: am62-phyboard-lyra: Add overlay to enable a GPIO fan | expand |
Hi Nathan, Am 09.02.24 um 01:29 schrieb Nathan Morrisson: > 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> > --- > v2: > - Change overlay name from k3-am62-... to k3-am62x-... > - Add compile time test > > arch/arm64/boot/dts/ti/Makefile | 3 ++ > .../ti/k3-am62x-phyboard-lyra-gpio-fan.dtso | 51 +++++++++++++++++++ > 2 files changed, 54 insertions(+) > create mode 100644 arch/arm64/boot/dts/ti/k3-am62x-phyboard-lyra-gpio-fan.dtso > > diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile > index 52c1dc910308..bfeb496d5039 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 > @@ -87,6 +88,8 @@ 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..9c05748bdd9d > --- /dev/null > +++ b/arch/arm64/boot/dts/ti/k3-am62x-phyboard-lyra-gpio-fan.dtso > @@ -0,0 +1,51 @@ > +// 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>; > + status = "okay"; There is no need to set the status. If no status is present, it also indicates that the node is activated. With this change, Reviewed-by: Wadim Egorov <w.egorov@phytec.de> > + }; > +}; > + > +&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>; > + }; > + }; > + }; > +};
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 52c1dc910308..bfeb496d5039 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 @@ -87,6 +88,8 @@ 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..9c05748bdd9d --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am62x-phyboard-lyra-gpio-fan.dtso @@ -0,0 +1,51 @@ +// 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>; + status = "okay"; + }; +}; + +&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>; + }; + }; + }; +};
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> --- v2: - Change overlay name from k3-am62-... to k3-am62x-... - Add compile time test arch/arm64/boot/dts/ti/Makefile | 3 ++ .../ti/k3-am62x-phyboard-lyra-gpio-fan.dtso | 51 +++++++++++++++++++ 2 files changed, 54 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am62x-phyboard-lyra-gpio-fan.dtso