/*
 * Copyright (c) 2016 Fuzhou Rockchip Electronics Co., Ltd
 * Copyright (c) 2017 Theobroma Systemd Design und Consulting GmbH
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This file is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

/*
 * Theobroma Systems RK3399-Q7 "Puma" with MIPI-DSI enabled instead of HDMI
 */
#include "rk3399-puma.dts"

/ {
	backlight: backlight {
		compatible = "gpio-backlight";
		// GPIO4_C2 = Q7_LVDS_BLT_CTRL. Set high to enable the backlight. Use PWM to regulate brightness.
		gpios = <&gpio4 18 GPIO_ACTIVE_HIGH>;
		default-on;
	};
};

&hdmi {
        status = "disabled";
};

&route_hdmi {
        status = "disabled";
};

&route_mipi {
	status = "okay";
	// default in rk3399-linux.dtsi: connect = <&vopb_out_mipi>;
};

&mipi_dsi {
	status = "okay";
	panel {
		compatible ="simple-panel-dsi";
		reg = <0>;
		backlight = <&backlight>;
		// GPIO2_A2 = SEL_EDP_1V8. Set low to switch the hardware mux from eDP to DSI.
		enable-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
		// GPIO4_D6 = LVDS_PPEN. Set low to send the panel into reset.
		reset-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>;
		// Keep reset low for X milliseconds
		reset-delay-ms = <10>;

		dsi,flags = <(MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
				MIPI_DSI_MODE_VIDEO_SYNC_PULSE)>;
		dsi,format = <MIPI_DSI_FMT_RGB888>;
		dsi,lanes = <4>;
		status = "okay";

		panel-init-sequence = [
			15 01 02 cd aa
			15 01 02 30 00
			15 01 02 5e 03
			15 01 02 32 00
			15 01 02 33 25
			15 01 02 65 08
			15 01 02 3a 10
			15 01 02 36 49
			15 01 02 67 82
			15 01 02 69 27
			15 01 02 6c 27
			15 01 02 6d 14
			39 01 09 55 09 09 09 09 09 09 09 09
			39 01 11 56 09 09 09 09 09 09 09 09 09 09 09 09 09 09 09 09
			15 01 02 6b 00
			15 01 02 58 08
			15 01 02 73 30
			15 01 02 74 10
			15 01 02 77 00
			15 01 02 68 00
			15 01 02 28 28
			39 01 05 57 00 00 09 09
			15 01 02 41 46
			15 01 02 4e 50
			15 01 02 4f 55
			15 01 02 63 04
			39 01 14 53 1f 1a 17 13 12 12 14 15 15 10 0d 0b 0b 0c 0d 0a 08 03 00
			39 01 14 54 1f 1a 17 13 12 12 14 15 15 10 0d 0b 0b 0c 0d 0a 08 03 00
			15 01 02 29 10
			15 01 02 2e 03
			15 01 02 78 67
			15 01 02 76 36
			15 01 02 47 18
			15 01 02 2d 31
			15 01 02 50 d0
			15 01 02 48 66
			15 01 02 3f 00
			15 01 02 31 01
			15 01 02 4d 00
		];


		display-timings {
			native-mode = <&timing0>;
			timing0: timing0 {
				clock-frequency = <71900000>;
				hactive = <800>;
				vactive = <1280>;
				hback-porch = <24>;
				hfront-porch = <72>;
				vback-porch = <10>;
				vfront-porch = <12>;
				hsync-len = <24>;
				vsync-len = <2>;
				hsync-active = <0>;
				vsync-active = <0>;
				de-active = <1>;
				pixelclk-active = <1>;
			};
		};
	};
};

&i2c1 {
	gsl1680 {
		compatible = "silead,gsl1680";
		reg = <0x40>;
		// GPIO2_B3 = CSI_MCLK = gpio2 23
		interrupt-parent = <&gpio2>;
		interrupts = <23 IRQ_TYPE_LEVEL_LOW>; // TODO THIS IS PROBABLY WRONG
		// GPIO1_C7 = LVDS_BLEN = gpio1 23
		power-gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
		touchscreen-size-x = <1720>;
		touchscreen-size-y = <1150>;
		touchscreen-swapped-x-y;
		touchscreen-inverted-x;
		touchscreen-inverted-y;

		silead,max-fingers = <5>;
		// Place into /lib/firmware/silead
		firmware-name = "elcom-plain.fw";
	};
};