From: jacob-chen@iotwrt.com (Jacob Chen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 5/5] ARM: dts: rockchip: enable adc key for rk3288-evb
Date: Sat, 1 Jul 2017 10:02:47 +0800 [thread overview]
Message-ID: <1498874567-11219-6-git-send-email-jacob-chen@iotwrt.com> (raw)
In-Reply-To: <1498874567-11219-1-git-send-email-jacob-chen@iotwrt.com>
rk3288-evb have many tablet-used adc buttons.
Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>
---
arch/arm/boot/dts/rk3288-evb.dtsi | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi
index 9cee856..835ddb8 100644
--- a/arch/arm/boot/dts/rk3288-evb.dtsi
+++ b/arch/arm/boot/dts/rk3288-evb.dtsi
@@ -48,6 +48,43 @@
reg = <0x0 0x80000000>;
};
+ adc-keys {
+ compatible = "adc-keys";
+ io-channels = <&saradc 1>;
+ io-channel-names = "buttons";
+ keyup-threshold-microvolt = <1800000>;
+
+ button-up {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ press-threshold-microvolt = <100000>;
+ };
+
+ button-down {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ press-threshold-microvolt = <300000>;
+ };
+
+ menu {
+ label = "Menu";
+ linux,code = <KEY_MENU>;
+ press-threshold-microvolt = <640000>;
+ };
+
+ esc {
+ label = "Esc";
+ linux,code = <KEY_ESC>;
+ press-threshold-microvolt = <1000000>;
+ };
+
+ home {
+ label = "Home";
+ linux,code = <KEY_HOME>;
+ press-threshold-microvolt = <1300000>;
+ };
+ };
+
backlight: backlight {
compatible = "pwm-backlight";
brightness-levels = <
--
2.7.4
next prev parent reply other threads:[~2017-07-01 2:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-01 2:02 [PATCH 0/5] some devicetree changes for rk3288 boards Jacob Chen
2017-07-01 2:02 ` [PATCH 1/5] ARM: dts: rockchip: enable ARM Mali GPU on rk3288-tinker Jacob Chen
2017-07-01 2:02 ` [PATCH 2/5] ARM: dts: rockchip: enable ARM Mali GPU on rk3288-evb Jacob Chen
2017-07-01 2:02 ` [PATCH 3/5] ARM: dts: rockchip: enable ARM Mali GPU on rk3288-fennec Jacob Chen
2017-07-01 2:02 ` [PATCH 4/5] ARM: dts: rockchip: enable saradc for rk3288-evb Jacob Chen
2017-07-01 11:06 ` Heiko Stuebner
2017-07-01 12:55 ` chen
2017-07-01 2:02 ` Jacob Chen [this message]
2017-07-01 19:26 ` [PATCH 0/5] some devicetree changes for rk3288 boards Heiko Stuebner
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