Thread (20 messages) 20 messages, 4 authors, 2016-02-09

Re: [PATCH v2 07/10] ARM64: dts: rockchip: Add power key to GeekBox

From: Julien Chauveau <hidden>
Date: 2016-02-08 16:26:15
Also in: linux-arm-kernel, linux-rockchip, lkml

Hello Andreas,
quoted hunk ↗ jump to hunk
Le 8 févr. 2016 à 03:17, Andreas Färber [off-list ref] a écrit :

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
v2: New

arch/arm64/boot/dts/rockchip/rk3368-geekbox.dts | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3368-geekbox.dts b/arch/arm64/boot/dts/rockchip/rk3368-geekbox.dts
index e84383fd6f10..fe5aa785cfda 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368-geekbox.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3368-geekbox.dts
@@ -70,6 +70,22 @@
		pinctrl-0 = <&ir_int>;
	};

+	keys: gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwr_key>;
+		#address-cells = <1>;
+		#size-cells = <0>;
I think #address-cells and #size-cells are not necessary.
+
+		button@0 {
+			reg = <0>;
reg can be removed too.
+			gpio-key,wakeup = <1>;
You should use the new "wakeup-source » property.
+			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+			label = "GPIO Power";
+			linux,code = <116>;
#include <dt-bindings/input/input.h>
and use KEY_POWER instead of 116
quoted hunk ↗ jump to hunk
+		};
+	};
+
	leds: gpio-leds {
		compatible = "gpio-leds";
@@ -265,6 +281,12 @@
		};
	};

+	keys {
+		pwr_key: pwr-key {
+			rockchip,pins = <0 2 RK_FUNC_GPIO &pcfg_pull_up>;
Is there a reason you want to enable the internal pull-up resistor on this pin?

The schematic shows there's already an external pull-up resistor so the internal one should not be needed.

+		};
+	};
+
	pmic {
		pmic_sleep: pmic-sleep {
			rockchip,pins = <0 0 RK_FUNC_2 &pcfg_pull_none>;
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