From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi | 53 ++++++++++++++++++++
1 file changed, 53 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
index 214520137230..deb2ad37bb2e 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
@@ -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 @@ aliases {
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 @@ vccq_sdhi1: regulator-vccq-sdhi1 {
};
&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 */
--
2.39.2
