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Subject[RFC PATCH v2 4/4] ARM: dts: imx6dl-yapp4: Enable MPR121 touch keypad on Hydra
Date
Enable the I2C connected touch keypad on Hydra board.
Use the polled binding as the interrupt line is not available.

Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
---
arch/arm/boot/dts/imx6dl-yapp4-common.dtsi | 12 ++++++++++++
arch/arm/boot/dts/imx6dl-yapp4-hydra.dts | 4 ++++
2 files changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
index e8d800fec637..65a670e5bd4f 100644
--- a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
+++ b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
@@ -4,6 +4,7 @@

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/input/input.h>
#include <dt-bindings/pwm/pwm.h>

/ {
@@ -330,6 +331,17 @@
vcc-supply = <&sw2_reg>;
status = "disabled";
};
+
+ touchkeys: keys@5a {
+ compatible = "fsl,mpr121-touchkey-polled";
+ reg = <0x5a>;
+ vdd-supply = <&sw2_reg>;
+ autorepeat;
+ linux,keycodes = <KEY_1>, <KEY_2>, <KEY_3>, <KEY_4>, <KEY_5>,
+ <KEY_6>, <KEY_7>, <KEY_8>, <KEY_9>,
+ <KEY_BACKSPACE>, <KEY_0>, <KEY_ENTER>;
+ status = "disabled";
+ };
};

&iomuxc {
diff --git a/arch/arm/boot/dts/imx6dl-yapp4-hydra.dts b/arch/arm/boot/dts/imx6dl-yapp4-hydra.dts
index f97927064750..84c275bfdd38 100644
--- a/arch/arm/boot/dts/imx6dl-yapp4-hydra.dts
+++ b/arch/arm/boot/dts/imx6dl-yapp4-hydra.dts
@@ -45,6 +45,10 @@
status = "okay";
};

+&touchkeys {
+ status = "okay";
+};
+
&usdhc3 {
status = "okay";
};
--
2.1.4
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