On Wed, Jan 05, 2022 at 12:04:34PM +0100, Oleksij Rempel wrote:
> Hi Shawn,
>
> sorry for the delay, I just came back to work.
>
> On Mon, Dec 06, 2021 at 09:06:28AM +0800, Shawn Guo wrote:
> > On Mon, Nov 22, 2021 at 01:43:10PM +0100, Oleksij Rempel wrote:
> > > The tsc2046 is an ADC used as touchscreen controller. To share as mach
> > > code as possible, we should use it as actual ADC + virtual tochscreen
> > > controller.
> > > With this patch we make use of the new kernel IIO and HID infrastructure.
> > >
> > > Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> >
> > One space is enough in subject "victgo: make".
>
> done.
>
> > > ---
> > > arch/arm/boot/dts/imx6dl-plym2m.dts | 55 ++++++++++++++++++++---------
> > > arch/arm/boot/dts/imx6dl-prtvt7.dts | 53 ++++++++++++++++++++-------
> > > arch/arm/boot/dts/imx6dl-victgo.dts | 55 +++++++++++++++++++++--------
> > > 3 files changed, 120 insertions(+), 43 deletions(-)
> > >
> > > diff --git a/arch/arm/boot/dts/imx6dl-plym2m.dts b/arch/arm/boot/dts/imx6dl-plym2m.dts
> > > index 60fe5f14666e..e2afedae85cb 100644
> > > --- a/arch/arm/boot/dts/imx6dl-plym2m.dts
> > > +++ b/arch/arm/boot/dts/imx6dl-plym2m.dts
> > > @@ -101,6 +101,17 @@ reg_12v0: regulator-12v0 {
> > > regulator-min-microvolt = <12000000>;
> > > regulator-max-microvolt = <12000000>;
> > > };
> > > +
> > > + touchscreen {
> > > + compatible = "resistive-adc-touch";
> > > + io-channels = <&adc 1>, <&adc 3>, <&adc 4>, <&adc 5>;
> > > + io-channel-names = "y", "z1", "z2", "x";
> > > + touchscreen-min-pressure = <64687>;
> > > + touchscreen-inverted-x;
> > > + touchscreen-inverted-y;
> > > + touchscreen-x-plate-ohms = <300>;
> > > + touchscreen-y-plate-ohms = <800>;
> > > + };
> > > };
> > >
> > > &can1 {
> > > @@ -129,26 +140,38 @@ &ecspi2 {
> > > pinctrl-0 = <&pinctrl_ecspi2>;
> > > status = "okay";
> > >
> > > - touchscreen@0 {
> > > - compatible = "ti,tsc2046";
> > > + adc: adc@0 {
> >
> > Isn't label name "adc" too generic?
>
> I do not have strong opinion about this. Currently we have no
> restrictions for the node names:
> Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml
> Documentation/devicetree/bindings/iio/adc/adc.yaml
>
> I can name it touchscreen-adc@0 or something like this. What are your
> preferences?
I wasn't talking about node name but label.
Shawn
