linux-kernel - Re: [PATCH 4/5] ARM: dts: imx6ul.dtsi: add TSC support

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Message-ID: <20150727112847.GF9169@leverpostej>
Date:	Mon, 27 Jul 2015 12:28:47 +0100
From:	Mark Rutland <mark.rutland@....com>
To:	Haibo Chen <haibo.chen@...escale.com>
Cc:	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	Pawel Moll <Pawel.Moll@....com>,
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Subject: Re: [PATCH 4/5] ARM: dts: imx6ul.dtsi: add TSC support

On Mon, Jul 27, 2015 at 12:26:46PM +0100, Haibo Chen wrote:
> Add imx6ul touchscreen controller support.
> 
> TSC module need ADC2 module to measure the touchscreen
> coordinate value. This patch put TSC and ADC2 together,
> make ADC2 module only be used for TSC, can't be used as
> a normal ADC.
> 
> Signed-off-by: Haibo Chen <haibo.chen@...escale.com>
> ---
>  arch/arm/boot/dts/imx6ul.dtsi | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi
> index dc0f5b4..33aac1f 100644
> --- a/arch/arm/boot/dts/imx6ul.dtsi
> +++ b/arch/arm/boot/dts/imx6ul.dtsi
> @@ -484,6 +484,17 @@
>  			reg = <0x02100000 0x100000>;
>  			ranges;
>  
> +			tsc: tsc@...40000 {
> +				compatible = "fsl,imx6ul-tsc";
> +				reg = <0x02040000 0x4000>, <0x0219c000 0x4000>;
> +				interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
> +					     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6UL_CLK_IPG>,
> +					 <&clks IMX6UL_CLK_ADC2>;
> +				clock-names = "tsc", "adc";

These clocks weren't even in the example in the binding documentation.

Mark.
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