1* Freescale i.MX6UL Touch Controller 2 3Required properties: 4- compatible: must be "fsl,imx6ul-tsc". 5- reg: this touch controller address and the ADC2 address. 6- interrupts: the interrupt of this touch controller and ADC2. 7- clocks: the root clock of touch controller and ADC2. 8- clock-names; must be "tsc" and "adc". 9- xnur-gpio: the X- gpio this controller connect to. 10 This xnur-gpio returns to low once the finger leave the touch screen (The 11 last touch event the touch controller capture). 12 13Optional properties: 14- measure-delay-time: the value of measure delay time. 15 Before X-axis or Y-axis measurement, the screen need some time before 16 even potential distribution ready. 17 This value depends on the touch screen. 18- pre-charge-time: the touch screen need some time to precharge. 19 This value depends on the touch screen. 20- touchscreen-average-samples: Number of data samples which are averaged for 21 each read. Valid values are 1, 4, 8, 16 and 32. 22 23Example: 24 tsc: tsc@2040000 { 25 compatible = "fsl,imx6ul-tsc"; 26 reg = <0x02040000 0x4000>, <0x0219c000 0x4000>; 27 interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, 28 <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>; 29 clocks = <&clks IMX6UL_CLK_IPG>, 30 <&clks IMX6UL_CLK_ADC2>; 31 clock-names = "tsc", "adc"; 32 pinctrl-names = "default"; 33 pinctrl-0 = <&pinctrl_tsc>; 34 xnur-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>; 35 measure-delay-time = <0xfff>; 36 pre-charge-time = <0xffff>; 37 touchscreen-average-samples = <32>; 38 }; 39