linux-kernel - [PATCH] ARM: dts: exynos: Add power button for Odroid XU3/4

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Mon,  6 Mar 2017 11:52:09 +0900
From:   Brian Kim <brian.kim@...dkernel.com>
To:     linux.amoon@...il.com, l.majewski@...sung.com, krzk@...nel.org,
        robh+dt@...nel.org, kgene@...nel.org, mark.rutland@....com,
        javier@....samsung.com
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: [PATCH] ARM: dts: exynos: Add power button for Odroid XU3/4

The power button on Odroid XU3/4 is connected with the PWRON pin of
s2mps11 PMIC. The s2mps11 sends low signal to GPIO input in exynos 5422
via ONOB pin.

This patch adds devicetree bindings for the power button of Odroid
XU3/4.

Signed-off-by: Brian Kim <brian.kim@...dkernel.com>
---
 arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
index 05b9afdd..671d87f 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
@@ -13,6 +13,7 @@
 */
 
 #include <dt-bindings/clock/samsung,s2mps11.h>
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/sound/samsung-i2s.h>
@@ -42,6 +43,22 @@
 		};
 	};
 
+	gpio_keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&gpio_power_key>;
+
+		power_key {
+			interrupt-parent = <&gpx0>;
+			interrupts = <3 0>;
+			gpios = <&gpx0 3 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_POWER>;
+			label = "power key";
+			debounce-interval = <10>;
+			wakeup-source;
+		};
+	};
+
 	emmc_pwrseq: pwrseq {
 		pinctrl-0 = <&emmc_nrst_pin>;
 		pinctrl-names = "default";
@@ -557,6 +574,11 @@
 };
 
 &pinctrl_0 {
+	gpio_power_key: power_key {
+		samsung,pins = "gpx0-3";
+		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+	};
+
 	hdmi_hpd_irq: hdmi-hpd-irq {
 		samsung,pins = "gpx3-7";
 		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
-- 
2.7.4