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

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Date:   Sun, 10 Jun 2018 13:36:04 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Eugen Hristev <eugen.hristev@...rochip.com>
Cc:     <ludovic.desroches@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-iio@...r.kernel.org>, <linux-input@...r.kernel.org>,
        <nicolas.ferre@...rochip.com>, <dmitry.torokhov@...il.com>,
        <robh@...nel.org>
Subject: Re: [PATCH v7 9/9] ARM: dts: at91: sama5d2: Add resistive touch
 device

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

> Add generic resistive touch device which is connected to ADC block
> inside the SAMA5D2 SoC
> 
> Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
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@...38000 {
>  				compatible = "atmel,sama5d2-pinctrl";
>  				reg = <0xfc038000 0x600>;