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ARM: dts: imx6dl-yapp4: Enable the MPR121 touchkey controller on Hydra

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Add the touch keyboard present on Hydra board. The controller
is connected only using I2C lines. The interrupt line is not
available hence we use the polling mode.

Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Michal Vokáč 2019-10-03 08:12:56 +02:00 committed by Shawn Guo
parent 7e28fc4759
commit 764b5b5e70
2 changed files with 17 additions and 0 deletions
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13
arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
View File

@ -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 +331,18 @@
vcc-supply = <&sw2_reg>;
status = "disabled";
};
touchkeys: keys@5a {
compatible = "fsl,mpr121-touchkey";
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>;
poll-interval = <50>;
status = "disabled";
};
};
&iomuxc {

4
arch/arm/boot/dts/imx6dl-yapp4-hydra.dts
View File

@ -45,6 +45,10 @@
status = "okay";
};
&touchkeys {
status = "okay";
};
&usdhc3 {
status = "okay";
};