compatible 4D4C overlay - 7/28/20

/*
 * 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/;

&{/chosen} {
	overlays {
		BB-BONE-4D4C-01-00A1 = __TIMESTAMP__;
	};
};


&ocp {
	P8_45_pinmux { pinctrl-0 = <&P8_45_lcd_pin>;};	/* lcd: lcd_data0 */
	P8_46_pinmux { pinctrl-0 = <&P8_46_lcd_pin>;};	/* lcd: lcd_data1 */
	P8_43_pinmux { pinctrl-0 = <&P8_43_lcd_pin>;};	/* lcd: lcd_data2 */
	P8_44_pinmux { pinctrl-0 = <&P8_44_lcd_pin>;};	/* lcd: lcd_data3 */
	P8_41_pinmux { pinctrl-0 = <&P8_41_lcd_pin>;};	/* lcd: lcd_data4 */
	P8_42_pinmux { pinctrl-0 = <&P8_42_lcd_pin>;};	/* lcd: lcd_data5 */
	P8_39_pinmux { pinctrl-0 = <&P8_39_lcd_pin>;};	/* lcd: lcd_data6 */
	P8_40_pinmux { pinctrl-0 = <&P8_40_lcd_pin>;};	/* lcd: lcd_data7 */
	P8_37_pinmux { pinctrl-0 = <&P8_37_lcd_pin>;};	/* lcd: lcd_data8 */
	P8_38_pinmux { pinctrl-0 = <&P8_38_lcd_pin>;};	/* lcd: lcd_data9 */
	P8_36_pinmux { pinctrl-0 = <&P8_36_lcd_pin>;};	/* lcd: lcd_data10 */
	P8_34_pinmux { pinctrl-0 = <&P8_34_lcd_pin>;};	/* lcd: lcd_data11 */
	P8_35_pinmux { pinctrl-0 = <&P8_35_lcd_pin>;};	/* lcd: lcd_data12 */
	P8_33_pinmux { pinctrl-0 = <&P8_33_lcd_pin>;};	/* lcd: lcd_data13 */
	P8_31_pinmux { pinctrl-0 = <&P8_31_lcd_pin>;};	/* lcd: lcd_data14 */
	P8_32_pinmux { pinctrl-0 = <&P8_32_lcd_pin>;};	/* lcd: lcd_data15 */

	P8_27_pinmux { pinctrl-0 = <&P8_27_lcd_pin>;};	/* lcd: lcd_vsync */
	P8_29_pinmux { pinctrl-0 = <&P8_29_lcd_pin>;};	/* lcd: lcd_hsync */
	P8_28_pinmux { pinctrl-0 = <&P8_28_lcd_pin>;};	/* lcd: lcd_pclk */
	P8_30_pinmux { pinctrl-0 = <&P8_30_lcd_pin>;};	/* lcd: lcd_ac_bias_en */

	P9_27_pinmux { pinctrl-0 = <&P9_27_gpio_pin>;};	/* lcd: gpio3_19 DISPEN */

	P9_14_pinmux { pinctrl-0 = <&P9_14_pwm_pin>;};	/* pwm: ehrpwm1a PWM_BL */

	P9_18_pinmux { pinctrl-0 = <&P9_18_i2c_pin>;};	/* i2c1_sda */
	P9_17_pinmux { pinctrl-0 = <&P9_17_i2c_pin>;};	/* i2c1_scl */
	P9_26_pinmux { pinctrl-0 = <&P9_26_gpio_input_pin>;};	/* touch interrupt on gpio0_14 */
};

&bone_pwmss_1 {
	status = "okay";
};

&bone_pwm_1{
	status = "okay";
};

// &bone_i2c_1 {
// 	// configuration start
// 	clock-frequency = <100000>;
// 	#address-cells = <1>;
// 	#size-cells = <0>;
// 	polytouch: edt-ft5x06@38 {
// 		compatible = "edt,edt-ft5x06";
// 		reg = <0x38>;
// 		interrupt-parent = <&gpio0>;
// 		interrupts = <14 2>;
// 		touchscreen-size-y = <480>;
// 		touchscreen-size-x = <272>;
// 		touchscreen-swapped-x-y;
// 	};
// };

// Black
// &lcdc {
// 	status = "okay";
// };

// AI
&dss {
	status = "okay";
	port {
		#address-cells = <1>;
		#size-cells = <0>;
		dpi_out: endpoint@0 {
			data-lines = <16>;
			remote-endpoint = <&lcd_in>;
		};
	};
};


&{/} {

	aliases {
		display0 = &lcd0;
	};

	lcd0_bl: backlight {
		status = "okay";
		compatible = "pwm-backlight";
		pwms = <&bone_pwm_1 0 500000 0>;
		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 = <100>;
	};

	// panel {
	lcd0: display@0 {
		label = "lcd";
		status = "okay";
		// Black
		// compatible = "ti,tilcdc,panel";

		// AI
		compatible = "panel-dpi";

		backlight = <&lcd0_bl>;

		port {
			lcd_in: endpoint {
				remote-endpoint = <&dpi_out>;
			};
		};

		panel-info {
			ac-bias           = <255>;
			ac-bias-intrpt    = <0>;
			dma-burst-sz      = <16>;
			bpp               = <16>;
			fdd               = <0x80>;
			sync-edge         = <0>;
			sync-ctrl         = <1>;
			raster-order      = <0>;
			fifo-th           = <0>;
		};

		display-timings {
			native-mode = <&timing0>;
			/* www.newhavendisplay.com/app_notes/OTA5180A.pdf */
			timing0: 480x272 {
				clock-frequency = <9200000>;
				hactive = <480>;
				vactive = <272>;
				hfront-porch = <8>;
				hback-porch = <47>;
				hsync-len = <41>;
				vback-porch = <2>;
				vfront-porch = <3>;
				vsync-len = <10>;
				hsync-active = <0>;
				vsync-active = <0>;
				de-active = <1>;
				pixelclk-active = <0>;
			};
		};
	};

	// fb {
	// 	compatible = "ti,am33xx-tilcdc";
	// 	reg = <0x4830e000 0x1000>;
	// 	interrupt-parent = <&intc>;
	// 	interrupts = <36>;
	// 	ti,hwmods = "lcdc";
	// };
};