Re: [PATCH v7 9/9] ARM: dts: at91: sama5d2: Add resistive touch device

From: Jonathan Cameron
Date: Sun Jun 10 2018 - 08:36:16 EST


On Tue, 22 May 2018 10:52:39 +0300
Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx> wrote:

> Add generic resistive touch device which is connected to ADC block
> inside the SAMA5D2 SoC
>
> Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
As with the previous patch, the driver side of things is working it's
way through the IIO tree, but will be the next merge window, not the
current one.

Thanks,

Jonathan

> ---
> Changes in v5:
> - renamed touchscreen-threshold-pressure to touchscreen-min-pressure
>
> arch/arm/boot/dts/sama5d2.dtsi | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
> index f06ba99..a44f325 100644
> --- a/arch/arm/boot/dts/sama5d2.dtsi
> +++ b/arch/arm/boot/dts/sama5d2.dtsi
> @@ -1442,6 +1442,16 @@
> status = "disabled";
> };
>
> + resistive_touch: resistive-touch {
> + compatible = "resistive-adc-touch";
> + io-channels = <&adc AT91_SAMA5D2_ADC_X_CHANNEL>,
> + <&adc AT91_SAMA5D2_ADC_Y_CHANNEL>,
> + <&adc AT91_SAMA5D2_ADC_P_CHANNEL>;
> + io-channel-names = "x", "y", "pressure";
> + touchscreen-min-pressure = <50000>;
> + status = "disabled";
> + };
> +
> pioA: pinctrl@fc038000 {
> compatible = "atmel,sama5d2-pinctrl";
> reg = <0xfc038000 0x600>;