udoo touchscreen dts

    reg_lcd0_pwr: regulator@1 {
      compatible = "regulator-fixed";
      regulator-name = "lcd0 panel";
      regulator-min-microvolt = <3300000>;
      regulator-max-microvolt = <3300000>;
      gpio = <&gpio1 2 0>;
      enable-active-high;
      regulator-boot-on;
      regulator-always-on;
    };

    reg_lcd0_backlight: regulator@2 {
      compatible = "regulator-fixed";
      regulator-name = "lcd0 backlight";
      regulator-min-microvolt = <3300000>;
      regulator-max-microvolt = <3300000>;
      gpio = <&gpio1 4 0>;
      enable-active-high;
      regulator-boot-on;
      regulator-always-on;
    };

&ldb {
  /* from kernel_unico_master/arch/arm/mach-mx6/board-mx6_seco_UDOO.c */
  ipu_id = <1>;
  disp_id = <0>;
  ext_ref = <1>;
  mode = "sep0";
  sec_ipu_id = <1>;
  sec_disp_id = <1>;
  status = "okay";

  lvds0: lvds-channel@0 {
    fsl,data-mapping = "spwg";
    fsl,data-width = <18>;
    status = "okay";

    display-timings {
      native-mode = <&timing0>;
      timing0: 800x480 {  /* 60 Hz */
        /* from u-boot-unico/board/udoo/udoo.c */
        /* Rif. 800x480 Panel UMSH-8596MD-20T  */
        clock-frequency = <65000000>;
        hactive = <800>;
        vactive = <480>;
        hback-porch = <220>;
        hfront-porch = <40>;
        vback-porch = <21>;
        vfront-porch = <7>;
        hsync-len = <60>;
        vsync-len = <10>;
        de-active = <0>;
        pixelclk-active = <1>;
        interlaced = <0>;
      };

      timing1: 1024x768 { /* 60 Hz */
        /* from u-boot-unico/board/udoo/udoo.c                */
        /* Rif. Panel 1024x768 - UMSH-8596MD-15T - G156XW01V0 */
        clock-frequency = <65000000>;
        hactive = <1024>;
        vactive = <768>;
        hback-porch = <220>;
        hfront-porch = <40>;
        vback-porch = <21>;
        vfront-porch = <7>;
        hsync-len = <60>;
        vsync-len = <10>;
        de-active = <0>;
        pixelclk-active = <1>;
        interlaced = <0>;
      };

      timing2: 1366x768 { /* 59 Hz */
        /* from u-boot-unico/board/udoo/udoo.c   */
        /* Rif. 1366x768 Panel CHIMEI M156B3-LA1 */
        clock-frequency = <72000000>;
        hactive = <1368>;
        vactive = <768>;
        hback-porch = <93>;
        hfront-porch = <33>;
        vback-porch = <22>;
        vfront-porch = <7>;
        hsync-len = <40>;
        vsync-len = <4>;
        de-active = <0>;
        pixelclk-active = <1>;
        interlaced = <0>;
      };
    };
  };
};

&i2c2 {
  clock-frequency = <100000>;
  pinctrl-names = "default";
  pinctrl-0 = <&pinctrl_i2c2_2>;
  status = "okay";
};

&i2c3 {
  pinctrl-names = "default";
  pinctrl-0 = <&pinctrl_i2c3_5>;
  status = "okay";

  touchscreen: st1232@55 {
    compatible = "sitronix,st1232";
    reg = <0x55>;
      // MX6QDL_PAD_SD2_DAT2__GPIO1_IO13
    interrupt-parent = <&gpio1>;    // need ?
      /* Interrupts are specified by two parts:
       * 1) GPIO pin number (0..15)
       * 2) Triggering (1 - edge rising
       *                2 - edge falling
       *                4 - level active high
       *                8 - level active low)
       */
    interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
      // MX6QDL_PAD_SD2_DAT0__GPIO1_IO15   0x80000000  /* touch reset    */
    gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
  };
};