Re: [PATCH v3 5/5] ARM: dts: imx6dl-yapp4: Enable the MPR121 touchkey controller on Hydra
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From: Michal Vokáč <hidden>
Date: 2019-10-16 06:07:26
On 03. 10. 19 8:12, Michal Vokáč wrote:
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 <redacted> ---
This should ideally go through the input tree with the rest of the changes that add support for the poll-interval. Shawn, can you ack this so Dmitry can take it, please? Thank you, Michal
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Changes since v2: - None Changes since v1: - Use poll-interval property name instead of linux,poll-interval. arch/arm/boot/dts/imx6dl-yapp4-common.dtsi | 13 +++++++++++++ arch/arm/boot/dts/imx6dl-yapp4-hydra.dts | 4 ++++ 2 files changed, 17 insertions(+)diff --git a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi index e8d800fec637..6507bfc0141a 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 +331,18 @@ 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 {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"; };