Messages in this thread Patch in this message | | | From | Jonathan Neuschäfer <> | Subject | [PATCH 3/3] ARM: dts: imx50-kobo-aura: Enable eKTF2132 touchscreen | Date | Fri, 6 Nov 2020 12:24:12 +0100 |
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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> ---
This patch requires "[PATCH] ARM: dts: imx50-kobo-aura: Add 'grp' suffix to pinctrl node names" in order to apply cleanly. (https://lore.kernel.org/lkml/20201031210729.2804471-1-j.neuschaefer@gmx.net/) --- arch/arm/boot/dts/imx50-kobo-aura.dts | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx50-kobo-aura.dts b/arch/arm/boot/dts/imx50-kobo-aura.dts index b2fbee60271f2..82ce8c43be867 100644 --- a/arch/arm/boot/dts/imx50-kobo-aura.dts +++ b/arch/arm/boot/dts/imx50-kobo-aura.dts @@ -120,7 +120,14 @@ &i2c1 { 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 { @@ -240,6 +247,13 @@ MX50_PAD_SD3_D7__ESDHC3_DAT7 0x1d4 >; };
+ 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 -- 2.28.0
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