ARM: dts: qcom: apq8074-dragonboard: add gpio keys

Add device nodes for gpio-keys (volume-up, general key) device nodes.

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230531012627.3813060-3-dmitry.baryshkov@linaro.org

diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
index baa372a..d021cf7 100644 (file)
--- a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
+++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
@@ -1,6 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
 #include "qcom-msm8974.dtsi"
 #include "qcom-pm8841.dtsi"
 #include "qcom-pm8941.dtsi"
@@ -21,6 +23,26 @@
                stdout-path = "serial0:115200n8";
        };
 
+       gpio-keys {
+               compatible = "gpio-keys";
+               autorepeat;
+
+               pinctrl-0 = <&msm_keys_default>;
+               pinctrl-names = "default";
+
+               button-volup {
+                       label = "Volume Up";
+                       linux,code = <KEY_VOLUMEUP>;
+                       gpios = <&pm8941_gpios 5 GPIO_ACTIVE_LOW>;
+               };
+
+               button-general {
+                       label = "General";
+                       linux,code = <KEY_PROG1>;
+                       gpios = <&pm8941_gpios 23 GPIO_ACTIVE_LOW>;
+               };
+       };
+
        reserved-memory {
                mpss_region: mpss@ac00000 {
                        reg = <0x0ac00000 0x2500000>;
@@ -91,6 +113,18 @@
        status = "okay";
 };
 
+&pm8941_gpios {
+        msm_keys_default: pm8941-gpio-keys-state {
+               pins = "gpio5", "gpio23";
+               function = "normal";
+               input-enable;
+               drive-push-pull;
+               bias-pull-up;
+               qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
+               power-source = <PM8941_GPIO_S3>; /* 1.8V */
+        };
+};
+
 &pm8941_lpg {
        qcom,power-source = <1>;
        status = "okay";