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Date: Fri, 26 Apr 2019 10:30:20 +0200 From: Michal Vokáč <michal.vokac@...ft.com> To: Dmitry Torokhov <dmitry.torokhov@...il.com>, Rob Herring <robh+dt@...nel.org> Cc: Mark Rutland <mark.rutland@....com>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, Fabio Estevam <festevam@...il.com>, linux-input@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Pengutronix Kernel Team <kernel@...gutronix.de>, Michal Vokáč <michal.vokac@...ft.com> Subject: [RFC PATCH 4/4] ARM: dts: imx6dl-yapp4: Enable MPR121 touch keypad on Hydra 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@...ft.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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