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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Nov 06, 2020 at 12:24:12PM +0100, Jonathan Neusch=E4fer wrote: > 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 Neusch=E4fer > --- > = > 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/im= x50-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 =3D <&pinctrl_i2c1>; > status =3D "okay"; > = > - /* TODO: ektf2132 touch controller at 0x15 */ > + touchscreen@15 { > + reg =3D <0x15>; > + compatible =3D "elan,ektf2132"; > + pinctrl-names =3D "default"; > + pinctrl-0 =3D <&pinctrl_ts>; > + power-gpios =3D <&gpio4 9 GPIO_ACTIVE_HIGH>; > + interrupts-extended =3D <&gpio5 13 IRQ_TYPE_EDGE_FALLING>; It needs include of . DTC arch/arm/boot/dts/imx50-kobo-aura.dtb Error: ../arch/arm/boot/dts/imx50-kobo-aura.dts:128.36-37 syntax error FATAL ERROR: Unable to parse input tree scripts/Makefile.lib:326: recipe for target 'arch/arm/boot/dts/imx50-kobo-a= ura.dtb' failed make[2]: *** [arch/arm/boot/dts/imx50-kobo-aura.dtb] Error 1 Patch dropped. Shawn > + }; > }; > = > &i2c2 { > @@ -240,6 +247,13 @@ MX50_PAD_SD3_D7__ESDHC3_DAT7 0x1d4 > >; > }; > = > + pinctrl_ts: tsgrp { > + fsl,pins =3D < > + MX50_PAD_CSPI_MOSI__GPIO4_9 0x0 > + MX50_PAD_SD2_D5__GPIO5_13 0x0 > + >; > + }; > + > pinctrl_uart2: uart2grp { > fsl,pins =3D < > MX50_PAD_UART2_TXD__UART2_TXD_MUX 0x1e4 > -- > 2.28.0 > = _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel