Commit b9639a8b authored by Jonathan Neuschäfer's avatar Jonathan Neuschäfer Committed by Shawn Guo
Browse files

ARM: dts: imx50-kobo-aura: Enable eKTF2132 touchscreen 



The Kobo Aura has an eKTF2132 touchscreen controller.

Although the vendor kernel toggles a reset pin (GPIO5-12) during the
startup sequence, the touchscreen works without it.

Signed-off-by: default avatarJonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 21658d51

arch/arm/boot/dts/imx50-kobo-aura.dts

+16 −1
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
/dts-v1/;

#include "imx50.dtsi"

#include <dt-bindings/input/input.h>

#include <dt-bindings/interrupt-controller/irq.h>



/ {

	model = "Kobo Aura (N514)";
@@ -119,7 +120,14 @@ 
	pinctrl-0 = <&pinctrl_i2c1>;

	status = "okay";



	/* TODO: ektf2132 touch controller at 0x15 */

	touchscreen@15 {

		reg = <0x15>;

		compatible = "elan,ektf2132";

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_ts>;

		power-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;

		interrupts-extended = <&gpio5 13 IRQ_TYPE_EDGE_FALLING>;

	};

};



&i2c2 {
@@ -225,6 +233,13 @@ 
		>;

	};



	pinctrl_ts: tsgrp {

		fsl,pins = <

			MX50_PAD_CSPI_MOSI__GPIO4_9		0x0

			MX50_PAD_SD2_D5__GPIO5_13		0x0

		>;

	};



	pinctrl_uart2: uart2grp {

		fsl,pins = <

			MX50_PAD_UART2_TXD__UART2_TXD_MUX	0x1e4