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arm64: dts: renesas: rzg3s-smarc: Add gpio keys

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RZ SMARC Carrier II board has 3 user buttons called USER_SW1, USER_SW2,
USER_SW3. Add a DT node in device tree to propertly instantiate the
gpio-keys driver for these buttons.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20231227130810.2744550-1-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Claudiu Beznea
2023-12-27 15:08:10 +02:00
committed by Geert Uytterhoeven
parent 6613476e22
commit 347c80f7c7
1 changed files with 53 additions and 0 deletions
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arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
+53
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@@ -6,6 +6,7 @@
*/
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
/ {
@@ -14,6 +15,37 @@
mmc1 = &sdhi1;
};
keys {
compatible = "gpio-keys";
key-1 {
interrupts = <RZG2L_GPIO(18, 0) IRQ_TYPE_EDGE_FALLING>;
interrupt-parent = <&pinctrl>;
linux,code = <KEY_1>;
label = "USER_SW1";
wakeup-source;
debounce-interval = <20>;
};
key-2 {
interrupts = <RZG2L_GPIO(0, 1) IRQ_TYPE_EDGE_FALLING>;
interrupt-parent = <&pinctrl>;
linux,code = <KEY_2>;
label = "USER_SW2";
wakeup-source;
debounce-interval = <20>;
};
key-3 {
interrupts = <RZG2L_GPIO(0, 3) IRQ_TYPE_EDGE_FALLING>;
interrupt-parent = <&pinctrl>;
linux,code = <KEY_3>;
label = "USER_SW3";
wakeup-source;
debounce-interval = <20>;
};
};
vcc_sdhi1: regulator-vcc-sdhi1 {
compatible = "regulator-fixed";
regulator-name = "SDHI1 Vcc";
@@ -35,6 +67,27 @@
};
&pinctrl {
key-1-gpio-hog {
gpio-hog;
gpios = <RZG2L_GPIO(18, 0) GPIO_ACTIVE_LOW>;
input;
line-name = "key-1-gpio-irq";
};
key-2-gpio-hog {
gpio-hog;
gpios = <RZG2L_GPIO(0, 1) GPIO_ACTIVE_LOW>;
input;
line-name = "key-2-gpio-irq";
};
key-3-gpio-hog {
gpio-hog;
gpios = <RZG2L_GPIO(0, 3) GPIO_ACTIVE_LOW>;
input;
line-name = "key-3-gpio-irq";
};
scif0_pins: scif0 {
pinmux = <RZG2L_PORT_PINMUX(6, 3, 1)>, /* RXD */
<RZG2L_PORT_PINMUX(6, 4, 1)>; /* TXD */