linux-kernel - [PATCH 1/2] arm64: dts: qcom: ipq5332: enable GPIO based LEDs and Buttons

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Message-ID: <20230615142803.26975-2-quic_sridsn@quicinc.com>
Date:   Thu, 15 Jun 2023 19:58:02 +0530
From:   Sridharan S N <quic_sridsn@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Sridharan S N <quic_sridsn@...cinc.com>
Subject: [PATCH 1/2] arm64: dts: qcom: ipq5332: enable GPIO based LEDs and Buttons

Add support for wlan-2g LED on GPIO 36 and wps buttons on GPIO 35.

Signed-off-by: Sridharan S N <quic_sridsn@...cinc.com>
---
Changes in V3:
	- added leds and gpio-keys nodes in rdp-common.dtsi

Changes in V2:
	- Used the hypen in node name instead of underscore
	- Dropped the status property

 .../boot/dts/qcom/ipq5332-rdp-common.dtsi     | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq5332-rdp-common.dtsi
index 97dc0e5c15f0..a8671a4ac2e4 100644
--- a/arch/arm64/boot/dts/qcom/ipq5332-rdp-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp-common.dtsi
@@ -19,6 +19,31 @@
 	chosen {
 		stdout-path = "serial0";
 	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-0 = <&gpio_keys_default>;
+		pinctrl-names = "default";
+
+		button-wps {
+			label = "wps";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&tlmm 35 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-0 = <&gpio_leds_default>;
+		pinctrl-names = "default";
+
+		led-0 {
+			gpios = <&tlmm 36 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "phy0tx";
+			default-state = "off";
+		};
+	};
 };
 
 &blsp1_i2c1 {
@@ -52,6 +77,20 @@
 /* PINCTRL */
 
 &tlmm {
+	gpio_keys_default: gpio-keys-default-state {
+		pins = "gpio35";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-up;
+	};
+
+	gpio_leds_default: gpio-leds-default-state {
+		pins = "gpio36";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-down;
+	};
+
 	i2c_1_pins: i2c-1-state {
 		pins = "gpio29", "gpio30";
 		function = "blsp1_i2c0";
-- 
2.17.1