From: Chris Brandt <chris.bra...@renesas.com> Add support for input switch SW3 on the Renesas RZ/A2M EVB development board.
Note that this uses the IRQ interrupt, as the RZ/A2 GPIO controller does not include interrupt support Signed-off-by: Chris Brandt <chris.bra...@renesas.com> Reviewed-by: Geert Uytterhoeven <geert+rene...@glider.be> Signed-off-by: Simon Horman <horms+rene...@verge.net.au> --- arch/arm/boot/dts/r7s9210-rza2mevb.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/r7s9210-rza2mevb.dts b/arch/arm/boot/dts/r7s9210-rza2mevb.dts index 49c40065741b..d062d02865e7 100644 --- a/arch/arm/boot/dts/r7s9210-rza2mevb.dts +++ b/arch/arm/boot/dts/r7s9210-rza2mevb.dts @@ -9,6 +9,7 @@ /dts-v1/; #include "r7s9210.dtsi" #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> #include <dt-bindings/pinctrl/r7s9210-pinctrl.h> / { @@ -26,6 +27,21 @@ stdout-path = "serial0:115200n8"; }; + keyboard { + compatible = "gpio-keys"; + + pinctrl-names = "default"; + pinctrl-0 = <&keyboard_pins>; + + key-3 { + interrupt-parent = <&irqc>; + interrupts = <0 IRQ_TYPE_EDGE_BOTH>; + linux,code = <KEY_3>; + label = "SW3"; + wakeup-source; + }; + }; + lbsc { #address-cells = <1>; #size-cells = <1>; @@ -121,6 +137,10 @@ <RZA2_PINMUX(PORTL, 1, 5)>; /* IRQ5 */ }; + keyboard_pins: keyboard { + pinmux = <RZA2_PINMUX(PORTJ, 1, 6)>; /* IRQ0 */ + }; + /* Serial Console */ scif4_pins: serial4 { pinmux = <RZA2_PINMUX(PORT9, 0, 4)>, /* TxD4 */ -- 2.11.0