43 lines
1.4 KiB
Diff
43 lines
1.4 KiB
Diff
From 0a70fbc9a556737d3f70a1a194ba7be280b007c5 Mon Sep 17 00:00:00 2001
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Message-Id: <0a70fbc9a556737d3f70a1a194ba7be280b007c5.1619725559.git.stefan@agner.ch>
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In-Reply-To: <cdfb8eea4103e537898073dc3f7bf8f75cec5efb.1619725559.git.stefan@agner.ch>
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References: <cdfb8eea4103e537898073dc3f7bf8f75cec5efb.1619725559.git.stefan@agner.ch>
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From: Stefan Agner <stefan@agner.ch>
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Date: Mon, 11 Jan 2021 11:20:48 +0100
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Subject: [PATCH 4/8] arm64: dts: meson: g12b: add power button support
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Add power button support on J2 pin 11 (GPIOX_3 on the SoC side). The
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GPIO is low active, e.g. when connecting with pin 9 (GND) a power
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button press is triggered.
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Signed-off-by: Stefan Agner <stefan@agner.ch>
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---
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arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 11 +++++++++++
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1 file changed, 11 insertions(+)
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diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
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index 41b2f9c96b5f..4b6bb7e74e25 100644
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--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
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+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
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@@ -39,6 +39,17 @@ emmc_pwrseq: emmc-pwrseq {
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reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
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};
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+ gpio-keys-polled {
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+ compatible = "gpio-keys-polled";
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+ poll-interval = <100>;
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+
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+ power-button {
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+ label = "power";
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+ linux,code = <KEY_POWER>;
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+ gpios = <&gpio GPIOX_3 GPIO_ACTIVE_LOW>;
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+ };
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+ };
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+
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leds {
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compatible = "gpio-leds";
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--
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2.31.1
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