BB-BONE-CTE-00A0

/*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
/plugin/;

/ {
	compatible = "ti,beaglebone-black";
	part-number = "BB-BONE-CTE";
	version = "00A0";

	/* state the resources this cape uses */
	exclusive-use =
		/* the pin header uses */
		"P8.45",	/* lcd: lcd_data0 */
		"P8.46",	/* lcd: lcd_data1 */
		"P8.43",	/* lcd: lcd_data2 */
		"P8.44",	/* lcd: lcd_data3 */
		"P8.41",	/* lcd: lcd_data4 */
		"P8.42",	/* lcd: lcd_data5 */
		"P8.39",	/* lcd: lcd_data6 */
		"P8.40",	/* lcd: lcd_data7 */
		"P8.37",	/* lcd: lcd_data8 */
		"P8.38",	/* lcd: lcd_data9 */
		"P8.36",	/* lcd: lcd_data10 */
		"P8.34",	/* lcd: lcd_data11 */
		"P8.35",	/* lcd: lcd_data12 */
		"P8.33",	/* lcd: lcd_data13 */
		"P8.31",	/* lcd: lcd_data14 */
		"P8.32",	/* lcd: lcd_data15 */
		"P8.27",	/* lcd: lcd_vsync RS or D/C*/
		"P8.29",	/* lcd: lcd_hsync WR*/
		"P8.28",	/* lcd: lcd_pclk RD*/
		"P8.30",	/* lcd: lcd_ac_bias_en CS*/
		"P9.14",	/* pwm: ehrpwm1a */
		/* the hardware IP uses */
		"gpio1_27",
		"lcd",
		"ehrpwm1a";

	fragment@0 {
		target = <&am33xx_pinmux>;
		__overlay__ {

			pwm_bl_pins: pinmux_pwm_bl_pins {
				pinctrl-single,pins = <
					0x48 0x06       /* gpmc_a2.ehrpwm1a, OMAP_MUX_MODE6 | AM33XX_PIN_OUTPUT */
				>;
			};

			bone_cte_lcd_pins: pinmux_bone_cte_lcd_pins { /* was nxp_hdmi_bonelt_pins: nxp_hdmi_bonelt_pins */
				pinctrl-single,pins = <
					0xa0 0x08       /* lcd_data0.lcd_data0, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xa4 0x08       /* lcd_data1.lcd_data1, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xa8 0x08       /* lcd_data2.lcd_data2, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xac 0x08       /* lcd_data3.lcd_data3, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xb0 0x08       /* lcd_data4.lcd_data4, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xb4 0x08       /* lcd_data5.lcd_data5, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xb8 0x08       /* lcd_data6.lcd_data6, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xbc 0x08       /* lcd_data7.lcd_data7, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xc0 0x08       /* lcd_data8.lcd_data8, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xc4 0x08       /* lcd_data9.lcd_data9, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xc8 0x08       /* lcd_data10.lcd_data10, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xcc 0x08       /* lcd_data11.lcd_data11, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xd0 0x08       /* lcd_data12.lcd_data12, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xd4 0x08       /* lcd_data13.lcd_data13, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xd8 0x08       /* lcd_data14.lcd_data14, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xdc 0x08       /* lcd_data15.lcd_data15, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT | AM33XX_PULL_DISA */
					0xe0 0x00       /* lcd_vsync.lcd_vsync, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
					0xe4 0x00       /* lcd_hsync.lcd_hsync, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
					0xe8 0x00       /* lcd_pclk.lcd_pclk, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
					0xec 0x00       /* lcd_ac_bias_en.lcd_ac_bias_en, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
				>;
			};
		};
	};

	/* not sure what this is for */
	fragment@1 {
		target = <&epwmss1>;
		__overlay__ {
			status = "okay";
		};
	};

	fragment@2 {
		target = <&ehrpwm1>;
		__overlay__ {
			status = "okay";
		};
	};

	fragment@3 {
		target = <&ocp>;
		__overlay__ {

			/* avoid stupid warning */
			#address-cells = <1>;
			#size-cells = <1>;

			backlight {   /* not changed for cte screen, if it needs to be changed*/
				compatible      = "pwm-backlight";
				pinctrl-names   = "default";
				pinctrl-0       = <&pwm_bl_pins>;
				status = "okay";

				pwms = <&ehrpwm1 0 500000 0>;
				pwm-names = "LCD7";
				brightness-levels = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100>;
				default-brightness-level = <101>; /* index to the array above */
			};

			/* this is touchscreen code that can be used later
			tscadc {
				compatible = "ti,ti-tscadc";
				reg = <0x44e0d000 0x1000>;

				interrupt-parent = <&intc>;
				interrupts = <16>;
				ti,hwmods = "adc_tsc";
				status = "okay";

				tsc {
					ti,wires = <4>;
					ti,x-plate-resistance = <200>;
					ti,coordinate-readouts = <5>;
					ti,wire-config = <0x00 0x11 0x22 0x33>;
				};

				adc {
					ti,adc-channels = <4 5 6 7>;
				};
			};
			*/

			panel {    /* these values need to be changed for the CTE shield */
				compatible = "tilcdc,panel";
				pinctrl-names = "default";
				pinctrl-0 = <&bone_cte_lcd_pins>;
				panel-info {
					ac-bias           = <255>;
					ac-bias-intrpt    = <0>;
					dma-burst-sz      = <16>;
					bpp               = <16>;
					fdd               = <0x80>;
					tft-alt-mode      = <0>;
					stn-565-mode      = <0>;
					mono-8bit-mode    = <0>;
					sync-edge         = <0>;
					sync-ctrl         = <1>;
					raster-order      = <0>;
					fifo-th           = <0>;
				};
				display-timings {
					native-mode = <&timing0>;
					timing0: 800x480 {
						hactive         = <800>; /*maybe 799 though*/
						vactive         = <480>; /*maybe 479 */
						hback-porch     = <40>; /* possibly 46*/
						hfront-porch    = <40>; /* possibly 48*/
						hsync-len       = <48>; /* maybe 15?*/
						vback-porch     = <30>; /* possibly 16*/
						vfront-porch    = <13>; /* possibly 16*/
						vsync-len       = <3>;
						clock-frequency = <30000000>; /* might have to be set to 10000000 or 120000000*/
						hsync-active    = <0>;
						vsync-active    = <0>;
					};
				};
			};

			fb {
				compatible = "ti,am33xx-tilcdc";
				reg = <0x4830e000 0x1000>;
				interrupt-parent = <&intc>;
				interrupts = <36>;
				ti,hwmods = "lcdc";
				ti,allow-non-reduced-blanking-modes;
				/*ti,allow-non-audio-modes; this line in the hdmin, but not lcd7*/
			};

		};
	};
};