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

From: Mark Rutland
Date: Mon Jul 27 2015 - 07:29:25 EST


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@xxxxxxxxxxxxx>
> ---
> 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@02040000 {
> + 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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