From: Johan Hovold <johan+linaro@kernel.org>
Date: Fri, 7 Mar 2025 17:12:21 +0000 (+0100)
Subject: arm64: dts: qcom: x1e80100-crd: add support for volume-up key
X-Git-Tag: v6.16-rc1~97^2~20^2~115^2~39
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9eca3fd5c336afc3b90804ec008f54ce59320aee;p=thirdparty%2Flinux.git

arm64: dts: qcom: x1e80100-crd: add support for volume-up key

Add support for the keypad volume-up key on the debug extension board.

This is useful to have when testing PMIC interrupt handling, and the key
can also be used to wake up from deep suspend states (CX shutdown).

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20250307171222.7470-2-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/x1-crd.dtsi b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
index 53f329c320190..f74c576f1c134 100644
--- a/arch/arm64/boot/dts/qcom/x1-crd.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
@@ -52,9 +52,16 @@
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		pinctrl-0 = <&hall_int_n_default>;
+		pinctrl-0 = <&hall_int_n_default>, <&kypd_vol_up_n>;
 		pinctrl-names = "default";
 
+		key-vol-up {
+			label = "volume_up";
+			gpios = <&pm8550_gpios 6 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_VOLUMEUP>;
+			wakeup-source;
+		};
+
 		switch-lid {
 			gpios = <&tlmm 92 GPIO_ACTIVE_LOW>;
 			linux,input-type = <EV_SW>;
@@ -1240,6 +1247,14 @@
 };
 
 &pm8550_gpios {
+	kypd_vol_up_n: kypd-vol-up-n-state {
+		pins = "gpio6";
+		function = "normal";
+		power-source = <1>; /* 1.8 V */
+		bias-pull-up;
+		input-enable;
+	};
+
 	rtmr0_default: rtmr0-reset-n-active-state {
 		pins = "gpio10";
 		function = "normal";