diff options
Diffstat (limited to 'arch/arm/boot/dts/overlays/gpio-ir-overlay.dts')
-rw-r--r-- | arch/arm/boot/dts/overlays/gpio-ir-overlay.dts | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/overlays/gpio-ir-overlay.dts b/arch/arm/boot/dts/overlays/gpio-ir-overlay.dts new file mode 100644 index 000000000000..162b6ce07dc9 --- /dev/null +++ b/arch/arm/boot/dts/overlays/gpio-ir-overlay.dts @@ -0,0 +1,49 @@ +// Definitions for ir-gpio module +/dts-v1/; +/plugin/; + +/ { + compatible = "brcm,bcm2835"; + + fragment@0 { + target-path = "/"; + __overlay__ { + gpio_ir: ir-receiver@12 { + compatible = "gpio-ir-receiver"; + pinctrl-names = "default"; + pinctrl-0 = <&gpio_ir_pins>; + + // pin number, high or low + gpios = <&gpio 18 1>; + + // parameter for keymap name + linux,rc-map-name = "rc-rc6-mce"; + + status = "okay"; + }; + }; + }; + + fragment@1 { + target = <&gpio>; + __overlay__ { + gpio_ir_pins: gpio_ir_pins@12 { + brcm,pins = <18>; // pin 18 + brcm,function = <0>; // in + brcm,pull = <2>; // up + }; + }; + }; + + __overrides__ { + // parameters + gpio_pin = <&gpio_ir>,"gpios:4", // pin number + <&gpio_ir>,"reg:0", + <&gpio_ir_pins>,"brcm,pins:0", + <&gpio_ir_pins>,"reg:0"; + gpio_pull = <&gpio_ir_pins>,"brcm,pull:0"; // pull-up/down state + invert = <&gpio_ir>,"gpios:8"; // 0 = active high input + + rc-map-name = <&gpio_ir>,"linux,rc-map-name"; // default rc map + }; +}; |