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.brandt@xxxxxxxxxxx>
---
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 4baf4a965090..6049145c120c 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 */
--
2.16.1
