linux-kernel - [PATCH v2 3/3] arm64: dts: qcom: sdm845-oneplus: add tri-state-key

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Message-Id: <20230209232556.91554-1-soyer@irl.hu>
Date:   Fri, 10 Feb 2023 00:25:56 +0100
From:   Gergo Koteles <soyer@....hu>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Caleb Connolly <caleb@...nolly.tech>,
        Gergo Koteles <soyer@....hu>
Subject: [PATCH v2 3/3] arm64: dts: qcom: sdm845-oneplus: add tri-state-key

The tri-state-key is a sound profile switch found on the OnePlus 6,
Android maps the states to "mute", "vibrate" and "ring". Expose them as
ABS_SND_PROFILE events.
The previous GPIO numbers were wrong. Update them to the correct
ones.

Co-developed-by: Caleb Connolly <caleb@...nolly.tech>
Signed-off-by: Caleb Connolly <caleb@...nolly.tech>
Signed-off-by: Gergo Koteles <soyer@....hu>
---
 .../boot/dts/qcom/sdm845-oneplus-common.dtsi  | 39 ++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
index 64638ea94db7..e45d4fdead82 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
@@ -52,6 +52,43 @@ key-vol-up {
 		};
 	};
 
+	tri-state-key {
+		compatible = "gpio-keys";
+		label = "Tri-state key";
+		pinctrl-names = "default";
+		pinctrl-0 = <&tri_state_key_default>;
+		state-top {
+			label = "Tri-state key top";
+			linux,input-type = <EV_ABS>;
+			linux,code = <ABS_SND_PROFILE>;
+			linux,input-value = <0>;
+			gpios = <&tlmm 126 GPIO_ACTIVE_LOW>;
+			debounce-interval = <50>;
+			linux,can-disable;
+		};
+
+		state-middle {
+			label = "Tri-state key middle";
+			linux,input-type = <EV_ABS>;
+			linux,code = <ABS_SND_PROFILE>;
+			linux,input-value = <1>;
+			gpios = <&tlmm 52 GPIO_ACTIVE_LOW>;
+			debounce-interval = <50>;
+			linux,can-disable;
+
+		};
+
+		state-bottom {
+			label = "Tri-state key bottom";
+			linux,input-type = <EV_ABS>;
+			linux,code = <ABS_SND_PROFILE>;
+			linux,input-value = <2>;
+			gpios = <&tlmm 24 GPIO_ACTIVE_LOW>;
+			debounce-interval = <50>;
+			linux,can-disable;
+		};
+	};
+
 	reserved-memory {
 		/*
 		 * The rmtfs_mem needs to be guarded due to "XPU limitations"
@@ -754,7 +791,7 @@ &tlmm {
 	gpio-reserved-ranges = <0 4>, <81 4>;
 
 	tri_state_key_default: tri-state-key-default-state {
-		pins = "gpio40", "gpio42", "gpio26";
+		pins = "gpio126", "gpio52", "gpio24";
 		function = "gpio";
 		drive-strength = <2>;
 		bias-disable;
-- 
2.39.1