ExynosAutov9 SADK board has 3 keys to test external GPIO interrupt.
To support this, add 3 gpio-key(Wakeup, Volume Down, Volume Up) node.
Signed-off-by: Jaewon Kim <jaewon02.kim@xxxxxxxxxxx>
---
.../boot/dts/exynos/exynosautov9-sadk.dts | 51 +++++++++++++++++++
1 file changed, 51 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
index bc1815f6ada2..de2c1de51a76 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
+++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
@@ -9,6 +9,7 @@
/dts-v1/;
#include "exynosautov9.dtsi"
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
/ {
model = "Samsung ExynosAuto v9 SADK board";
@@ -32,6 +33,31 @@ memory@80000000 {
<0xa 0x00000000 0x2 0x00000000>;
};
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&key_wakeup &key_volup &key_voldown>;
+
+ key-wakeup {
+ label = "Wakeup";
+ linux,code = <KEY_WAKEUP>;
+ gpios = <&gpa0 0 GPIO_ACTIVE_LOW>;
+ wakeup-source;
+ };
+
+ key-volume-down {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ gpios = <&gpg2 0 GPIO_ACTIVE_LOW>;
+ };
+
+ key-volume-up {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ gpios = <&gpg1 5 GPIO_ACTIVE_LOW>;
+ };
+ };
+
ufs_0_fixed_vcc_reg: regulator-0 {
compatible = "regulator-fixed";
regulator-name = "ufs-vcc";
@@ -49,6 +75,31 @@ ufs_1_fixed_vcc_reg: regulator-1 {
};
};
+&pinctrl_alive {
+ key_wakeup: key-wakeup-pins {
+ samsung,pins = "gpa0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+};
+
+&pinctrl_peric1 {
+ key_voldown: key-voldown-pins {
+ samsung,pins = "gpg2-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ key_volup: key-volup-pins {
+ samsung,pins = "gpg1-5";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+};
+
&pwm {
pinctrl-names = "default";
pinctrl-0 = <&pwm_tout3>;
--
2.42.0
