diff options
| author | Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2020-11-13 00:30:54 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2020-11-16 16:27:20 +0800 |
| commit | b9639a8b5ef1fa90fc0152db15588a9fe601c4b0 (patch) | |
| tree | a0e448c4e85b14be178e04046b642f0a2b9f18f7 /arch/arm | |
| parent | 21658d51cf1ea88c04652a3852a190bb905cd91e (diff) | |
| download | lwn-b9639a8b5ef1fa90fc0152db15588a9fe601c4b0.tar.gz lwn-b9639a8b5ef1fa90fc0152db15588a9fe601c4b0.zip | |
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: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/imx50-kobo-aura.dts | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/imx50-kobo-aura.dts b/arch/arm/boot/dts/imx50-kobo-aura.dts index 53b3995d37e7..97cfd970fe74 100644 --- a/arch/arm/boot/dts/imx50-kobo-aura.dts +++ b/arch/arm/boot/dts/imx50-kobo-aura.dts @@ -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 |