arm64: dts: qcom: sm8450-nagara: Add GPIO keys

With PMIC GPIOs now available, set up required pin settings and add
gpio-keys.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221229103212.984324-4-konrad.dybcio@linaro.org

diff --git a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
index e92890e..3c32ca9 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
@@ -27,6 +27,41 @@
                stdout-path = "serial0:115200n8";
        };
 
+       gpio-keys {
+               compatible = "gpio-keys";
+               label = "gpio-keys";
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&focus_n &snapshot_n &vol_down_n>;
+
+               key-camera-focus {
+                       label = "Camera Focus";
+                       linux,code = <KEY_CAMERA_FOCUS>;
+                       gpios = <&pm8350b_gpios 8 GPIO_ACTIVE_LOW>;
+                       debounce-interval = <15>;
+                       linux,can-disable;
+                       wakeup-source;
+               };
+
+               key-camera-snapshot {
+                       label = "Camera Snapshot";
+                       linux,code = <KEY_CAMERA>;
+                       gpios = <&pm8350b_gpios 5 GPIO_ACTIVE_LOW>;
+                       debounce-interval = <15>;
+                       linux,can-disable;
+                       wakeup-source;
+               };
+
+               key-volume-down {
+                       label = "Volume Down";
+                       linux,code = <KEY_VOLUMEDOWN>;
+                       gpios = <&pm8350_gpios 6 GPIO_ACTIVE_LOW>;
+                       debounce-interval = <15>;
+                       linux,can-disable;
+                       wakeup-source;
+               };
+       };
+
        reserved-memory {
                adsp_mem: memory@85700000 {
                        reg = <0x0 0x85700000 0x0 0x2800000>;
@@ -550,6 +585,32 @@
                          "NC",
                          "NC",
                          "PM8350_OPTION"; /* GPIO_10 */
+
+       vol_down_n: vol-down-n-state {
+               pins = "gpio6";
+               function = "normal";
+               power-source = <1>;
+               bias-pull-up;
+               input-enable;
+       };
+};
+
+&pm8350b_gpios {
+       snapshot_n: snapshot-n-state {
+               pins = "gpio5";
+               function = "normal";
+               power-source = <0>;
+               bias-pull-up;
+               input-enable;
+       };
+
+       focus_n: focus-n-state {
+               pins = "gpio8";
+               function = "normal";
+               power-source = <0>;
+               bias-pull-up;
+               input-enable;
+       };
 };
 
 &pm8450_gpios {