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ARM: dts: rskrza1: Add input switches 

Add support for input switches SW1-3 on the Renesas RZ/A1 RSK+RZA1
development board.

Note that this uses the IRQ interrupts, as the RZ/A1 GPIO controller
does not include interrupt support.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Geert Uytterhoeven 2019-05-02 14:32:20 +02:00 committed by Simon Horman
parent bd6ed46743
commit 35b81a037b
1 changed files with 38 additions and 0 deletions
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38
arch/arm/boot/dts/r7s72100-rskrza1.dts
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@ -8,6 +8,7 @@
/dts-v1/;
#include "r7s72100.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/r7s72100-pinctrl.h>
/ {
@ -28,6 +29,37 @@
reg = <0x08000000 0x02000000>;
};
keyboard {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&keyboard_pins>;
key-1 {
interrupt-parent = <&irqc>;
interrupts = <3 IRQ_TYPE_EDGE_BOTH>;
linux,code = <KEY_1>;
label = "SW1";
wakeup-source;
};
key-2 {
interrupt-parent = <&irqc>;
interrupts = <2 IRQ_TYPE_EDGE_BOTH>;
linux,code = <KEY_2>;
label = "SW2";
wakeup-source;
};
key-3 {
interrupt-parent = <&irqc>;
interrupts = <5 IRQ_TYPE_EDGE_BOTH>;
linux,code = <KEY_3>;
label = "SW3";
wakeup-source;
};
};
lbsc {
#address-cells = <1>;
#size-cells = <1>;
@ -101,6 +133,12 @@
<RZA1_PINMUX(1, 7, 1)>; /* RIIC3SDA */
};
keyboard_pins: keyboard {
pinmux = <RZA1_PINMUX(1, 9, 3)>, /* IRQ3 */
<RZA1_PINMUX(1, 8, 3)>, /* IRQ2 */
<RZA1_PINMUX(1, 11, 3)>; /* IRQ5 */
};
/* Serial Console */
scif2_pins: serial2 {
pinmux = <RZA1_PINMUX(3, 0, 6)>, /* TxD2 */