/*
 * Copyright 2014 Gateworks Corporation
 *
 * 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.
 *
 *     You should have received a copy of the GNU General Public
 *     License along with this file; if not, write to the Free
 *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
 *     MA 02110-1301 USA
 *
 * 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.
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/media/tda1997x.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/sound/fsl-imx-audmux.h>

/ {
	/* these are used by bootloader for disabling nodes */
	aliases {
		led0 = &led0;
		nand = &gpmi;
		ssi0 = &ssi1;
		usb0 = &usbh1;
		usb1 = &usbotg;
	};

	chosen {
		bootargs = "console=ttymxc1,115200";
	};

	gpio-keys {
		compatible = "gpio-keys";

		user-pb {
			label = "user_pb";
			gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
			linux,code = <BTN_0>;
		};

		user-pb1x {
			label = "user_pb1x";
			linux,code = <BTN_1>;
			interrupt-parent = <&gsc>;
			interrupts = <0>;
		};

		key-erased {
			label = "key-erased";
			linux,code = <BTN_2>;
			interrupt-parent = <&gsc>;
			interrupts = <1>;
		};

		eeprom-wp {
			label = "eeprom_wp";
			linux,code = <BTN_3>;
			interrupt-parent = <&gsc>;
			interrupts = <2>;
		};

		tamper {
			label = "tamper";
			linux,code = <BTN_4>;
			interrupt-parent = <&gsc>;
			interrupts = <5>;
		};

		switch-hold {
			label = "switch_hold";
			linux,code = <BTN_5>;
			interrupt-parent = <&gsc>;
			interrupts = <7>;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_leds>;

		led0: user1 {
			label = "user1";
			gpios = <&gpio4 7 GPIO_ACTIVE_LOW>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
	};

	memory@10000000 {
		device_type = "memory";
		reg = <0x10000000 0x20000000>;
	};

	reg_5p0v: regulator-5p0v {
		compatible = "regulator-fixed";
		regulator-name = "5P0V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	reg_usb_h1_vbus: regulator-usb-h1-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb_h1_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	reg_usb_otg_vbus: regulator-usb-otg-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb_otg_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	sound-digital {
		compatible = "simple-audio-card";
		simple-audio-card,name = "tda1997x-audio";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&sound_codec>;
		simple-audio-card,frame-master = <&sound_codec>;

		sound_cpu: simple-audio-card,cpu {
			sound-dai = <&ssi1>;
		};

		sound_codec: simple-audio-card,codec {
			sound-dai = <&hdmi_receiver>;
		};
	};
};

&audmux {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_audmux>; /* AUD5<->tda1997x */
	status = "okay";

	ssi1 {
		fsl,audmux-port = <0>;
		fsl,port-config = <
			(IMX_AUDMUX_V2_PTCR_TFSDIR |
			IMX_AUDMUX_V2_PTCR_TFSEL(4+8) | /* RXFS */
			IMX_AUDMUX_V2_PTCR_TCLKDIR |
			IMX_AUDMUX_V2_PTCR_TCSEL(4+8) | /* RXC */
			IMX_AUDMUX_V2_PTCR_SYN)
			IMX_AUDMUX_V2_PDCR_RXDSEL(4)
		>;
	};

	aud5 {
		fsl,audmux-port = <4>;
		fsl,port-config = <
			IMX_AUDMUX_V2_PTCR_SYN
			IMX_AUDMUX_V2_PDCR_RXDSEL(0)>;
	};
};

&can1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flexcan1>;
	status = "okay";
};

&gpmi {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_gpmi_nand>;
	status = "okay";
};

&hdmi {
	ddc-i2c-bus = <&i2c3>;
	status = "okay";
};

&i2c1 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	status = "okay";

	gsc: gsc@20 {
		compatible = "gw,gsc";
		reg = <0x20>;
		interrupt-parent = <&gpio1>;
		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
		interrupt-controller;
		#interrupt-cells = <1>;
		#size-cells = <0>;

		adc {
			compatible = "gw,gsc-adc";
			#address-cells = <1>;
			#size-cells = <0>;

			channel@0 {
				gw,mode = <0>;
				reg = <0x00>;
				label = "temp";
			};

			channel@2 {
				gw,mode = <1>;
				reg = <0x02>;
				label = "vdd_vin";
			};

			channel@5 {
				gw,mode = <1>;
				reg = <0x05>;
				label = "vdd_3p3";
			};

			channel@8 {
				gw,mode = <1>;
				reg = <0x08>;
				label = "vdd_bat";
			};

			channel@b {
				gw,mode = <1>;
				reg = <0x0b>;
				label = "vdd_5p0";
			};

			channel@e {
				gw,mode = <1>;
				reg = <0xe>;
				label = "vdd_arm";
			};

			channel@11 {
				gw,mode = <1>;
				reg = <0x11>;
				label = "vdd_soc";
			};

			channel@14 {
				gw,mode = <1>;
				reg = <0x14>;
				label = "vdd_3p0";
			};

			channel@17 {
				gw,mode = <1>;
				reg = <0x17>;
				label = "vdd_1p5";
			};

			channel@1d {
				gw,mode = <1>;
				reg = <0x1d>;
				label = "vdd_1p8a";
			};

			channel@20 {
				gw,mode = <1>;
				reg = <0x20>;
				label = "vdd_1p0b";
			};
		};
	};

	gsc_gpio: gpio@23 {
		compatible = "nxp,pca9555";
		reg = <0x23>;
		gpio-controller;
		#gpio-cells = <2>;
		interrupt-parent = <&gsc>;
		interrupts = <4>;
	};

	eeprom1: eeprom@50 {
		compatible = "atmel,24c02";
		reg = <0x50>;
		pagesize = <16>;
	};

	eeprom2: eeprom@51 {
		compatible = "atmel,24c02";
		reg = <0x51>;
		pagesize = <16>;
	};

	eeprom3: eeprom@52 {
		compatible = "atmel,24c02";
		reg = <0x52>;
		pagesize = <16>;
	};

	eeprom4: eeprom@53 {
		compatible = "atmel,24c02";
		reg = <0x53>;
		pagesize = <16>;
	};

	rtc: ds1672@68 {
		compatible = "dallas,ds1672";
		reg = <0x68>;
	};
};

&i2c2 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";

	ltc3676: pmic@3c {
		compatible = "lltc,ltc3676";
		reg = <0x3c>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic>;
		interrupt-parent = <&gpio1>;
		interrupts = <8 IRQ_TYPE_EDGE_FALLING>;

		regulators {
			/* VDD_SOC (1+R1/R2 = 1.635) */
			reg_vdd_soc: sw1 {
				regulator-name = "vddsoc";
				regulator-min-microvolt = <674400>;
				regulator-max-microvolt = <1308000>;
				lltc,fb-voltage-divider = <127000 200000>;
				regulator-ramp-delay = <7000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VDD_DDR (1+R1/R2 = 2.105) */
			reg_vdd_ddr: sw2 {
				regulator-name = "vddddr";
				regulator-min-microvolt = <868310>;
				regulator-max-microvolt = <1684000>;
				lltc,fb-voltage-divider = <221000 200000>;
				regulator-ramp-delay = <7000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VDD_ARM (1+R1/R2 = 1.635) */
			reg_vdd_arm: sw3 {
				regulator-name = "vddarm";
				regulator-min-microvolt = <674400>;
				regulator-max-microvolt = <1308000>;
				lltc,fb-voltage-divider = <127000 200000>;
				regulator-ramp-delay = <7000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VDD_3P3 (1+R1/R2 = 1.281) */
			reg_3p3: sw4 {
				regulator-name = "vdd3p3";
				regulator-min-microvolt = <1880000>;
				regulator-max-microvolt = <3647000>;
				lltc,fb-voltage-divider = <200000 56200>;
				regulator-ramp-delay = <7000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VDD_1P8a (1+R1/R2 = 2.505): HDMI In core */
			reg_1p8a: ldo2 {
				regulator-name = "vdd1p8a";
				regulator-min-microvolt = <1816125>;
				regulator-max-microvolt = <1816125>;
				lltc,fb-voltage-divider = <301000 200000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VDD_1P8b: HDMI In analog */
			reg_1p8b: ldo3 {
				regulator-name = "vdd1p8b";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
			};

			/* VDD_HIGH (1+R1/R2 = 4.17) */
			reg_3p0: ldo4 {
				regulator-name = "vdd3p0";
				regulator-min-microvolt = <3023250>;
				regulator-max-microvolt = <3023250>;
				lltc,fb-voltage-divider = <634000 200000>;
				regulator-boot-on;
				regulator-always-on;
			};
		};
	};
};

&i2c3 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c3>;
	status = "okay";

	gpio_exp: pca9555@24 {
		compatible = "nxp,pca9555";
		reg = <0x24>;
		gpio-controller;
		#gpio-cells = <2>;
	};

	hdmi_receiver: hdmi-receiver@48 {
		compatible = "nxp,tda19971";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_tda1997x>;
		reg = <0x48>;
		interrupt-parent = <&gpio1>;
		interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
		DOVDD-supply = <&reg_3p3>;
		AVDD-supply = <&reg_1p8b>;
		DVDD-supply = <&reg_1p8a>;
		#sound-dai-cells = <0>;
		nxp,audout-format = "i2s";
		nxp,audout-layout = <0>;
		nxp,audout-width = <16>;
		nxp,audout-mclk-fs = <128>;
		/*
		 * The 8bpp YUV422 semi-planar mode outputs CbCr[11:4]
		 * and Y[11:4] across 16bits in the same cycle
		 * which we map to VP[15:08]<->CSI_DATA[19:12]
		 */
		nxp,vidout-portcfg =
			/*G_Y_11_8<->VP[15:12]<->CSI_DATA[19:16]*/
			< TDA1997X_VP24_V15_12 TDA1997X_G_Y_11_8 >,
			/*G_Y_7_4<->VP[11:08]<->CSI_DATA[15:12]*/
			< TDA1997X_VP24_V11_08 TDA1997X_G_Y_7_4 >,
			/*R_CR_CBCR_11_8<->VP[07:04]<->CSI_DATA[11:08]*/
			< TDA1997X_VP24_V07_04 TDA1997X_R_CR_CBCR_11_8 >,
			/*R_CR_CBCR_7_4<->VP[03:00]<->CSI_DATA[07:04]*/
			< TDA1997X_VP24_V03_00 TDA1997X_R_CR_CBCR_7_4 >;

		port {
			tda1997x_to_ipu1_csi0_mux: endpoint {
				remote-endpoint = <&ipu1_csi0_mux_from_parallel_sensor>;
				bus-width = <16>;
				hsync-active = <1>;
				vsync-active = <1>;
				data-active = <1>;
			};
		};
	};
};

&ipu1_csi0_from_ipu1_csi0_mux {
	bus-width = <16>;
};

&ipu1_csi0_mux_from_parallel_sensor {
	remote-endpoint = <&tda1997x_to_ipu1_csi0_mux>;
	bus-width = <16>;
};

&ipu1_csi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ipu1_csi0>;
};

&pcie {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pcie>;
	reset-gpio = <&gpio1 0 GPIO_ACTIVE_LOW>;
	status = "okay";
};

&pwm2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm2>; /* MX6_DIO1 */
	status = "disabled";
};

&pwm3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm3>; /* MX6_DIO2 */
	status = "disabled";
};

&ssi1 {
	status = "okay";
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2>;
	status = "okay";
};

&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart3>;
	status = "okay";
};

&usbotg {
	vbus-supply = <&reg_usb_otg_vbus>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usbotg>;
	disable-over-current;
	status = "okay";
};

&usbh1 {
	vbus-supply = <&reg_usb_h1_vbus>;
	status = "okay";
};

&wdog1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_wdog>;
	fsl,ext-reset-output;
};

&iomuxc {
	pinctrl_audmux: audmuxgrp {
		fsl,pins = <
			MX6QDL_PAD_DISP0_DAT19__AUD5_RXD	0x130b0
			MX6QDL_PAD_DISP0_DAT14__AUD5_RXC	0x130b0
			MX6QDL_PAD_DISP0_DAT13__AUD5_RXFS	0x130b0
		>;
	};

	pinctrl_flexcan1: flexcan1grp {
		fsl,pins = <
			MX6QDL_PAD_KEY_ROW2__FLEXCAN1_RX	0x1b0b1
			MX6QDL_PAD_KEY_COL2__FLEXCAN1_TX	0x1b0b1
			MX6QDL_PAD_GPIO_9__GPIO1_IO09		0x4001b0b0 /* CAN_STBY */
		>;
	};

	pinctrl_gpio_leds: gpioledsgrp {
		fsl,pins = <
			MX6QDL_PAD_KEY_ROW0__GPIO4_IO07   0x1b0b0
		>;
	};

	pinctrl_gpmi_nand: gpminandgrp {
		fsl,pins = <
			MX6QDL_PAD_NANDF_CLE__NAND_CLE		0xb0b1
			MX6QDL_PAD_NANDF_ALE__NAND_ALE		0xb0b1
			MX6QDL_PAD_NANDF_WP_B__NAND_WP_B	0xb0b1
			MX6QDL_PAD_NANDF_RB0__NAND_READY_B	0xb000
			MX6QDL_PAD_NANDF_CS0__NAND_CE0_B	0xb0b1
			MX6QDL_PAD_SD4_CMD__NAND_RE_B		0xb0b1
			MX6QDL_PAD_SD4_CLK__NAND_WE_B		0xb0b1
			MX6QDL_PAD_NANDF_D0__NAND_DATA00	0xb0b1
			MX6QDL_PAD_NANDF_D1__NAND_DATA01	0xb0b1
			MX6QDL_PAD_NANDF_D2__NAND_DATA02	0xb0b1
			MX6QDL_PAD_NANDF_D3__NAND_DATA03	0xb0b1
			MX6QDL_PAD_NANDF_D4__NAND_DATA04	0xb0b1
			MX6QDL_PAD_NANDF_D5__NAND_DATA05	0xb0b1
			MX6QDL_PAD_NANDF_D6__NAND_DATA06	0xb0b1
			MX6QDL_PAD_NANDF_D7__NAND_DATA07	0xb0b1
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D21__I2C1_SCL		0x4001b8b1
			MX6QDL_PAD_EIM_D28__I2C1_SDA		0x4001b8b1
			MX6QDL_PAD_GPIO_4__GPIO1_IO04		0xb0b1
		>;
	};

	pinctrl_i2c2: i2c2grp {
		fsl,pins = <
			MX6QDL_PAD_KEY_COL3__I2C2_SCL		0x4001b8b1
			MX6QDL_PAD_KEY_ROW3__I2C2_SDA		0x4001b8b1
		>;
	};

	pinctrl_i2c3: i2c3grp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_3__I2C3_SCL		0x4001b8b1
			MX6QDL_PAD_GPIO_6__I2C3_SDA		0x4001b8b1
		>;
	};

	pinctrl_ipu1_csi0: ipu1_csi0grp {
		fsl,pins = <
			MX6QDL_PAD_CSI0_DAT4__IPU1_CSI0_DATA04		0x1b0b0
			MX6QDL_PAD_CSI0_DAT5__IPU1_CSI0_DATA05		0x1b0b0
			MX6QDL_PAD_CSI0_DAT6__IPU1_CSI0_DATA06		0x1b0b0
			MX6QDL_PAD_CSI0_DAT7__IPU1_CSI0_DATA07		0x1b0b0
			MX6QDL_PAD_CSI0_DAT8__IPU1_CSI0_DATA08		0x1b0b0
			MX6QDL_PAD_CSI0_DAT9__IPU1_CSI0_DATA09		0x1b0b0
			MX6QDL_PAD_CSI0_DAT10__IPU1_CSI0_DATA10		0x1b0b0
			MX6QDL_PAD_CSI0_DAT11__IPU1_CSI0_DATA11		0x1b0b0
			MX6QDL_PAD_CSI0_DAT12__IPU1_CSI0_DATA12		0x1b0b0
			MX6QDL_PAD_CSI0_DAT13__IPU1_CSI0_DATA13		0x1b0b0
			MX6QDL_PAD_CSI0_DAT14__IPU1_CSI0_DATA14		0x1b0b0
			MX6QDL_PAD_CSI0_DAT15__IPU1_CSI0_DATA15		0x1b0b0
			MX6QDL_PAD_CSI0_DAT16__IPU1_CSI0_DATA16		0x1b0b0
			MX6QDL_PAD_CSI0_DAT17__IPU1_CSI0_DATA17		0x1b0b0
			MX6QDL_PAD_CSI0_DAT18__IPU1_CSI0_DATA18		0x1b0b0
			MX6QDL_PAD_CSI0_DAT19__IPU1_CSI0_DATA19		0x1b0b0
			MX6QDL_PAD_CSI0_MCLK__IPU1_CSI0_HSYNC		0x1b0b0
			MX6QDL_PAD_CSI0_PIXCLK__IPU1_CSI0_PIXCLK	0x1b0b0
			MX6QDL_PAD_CSI0_VSYNC__IPU1_CSI0_VSYNC		0x1b0b0
		>;
	};

	pinctrl_pcie: pciegrp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_0__GPIO1_IO00		0x1b0b0 /* PCIE RST */
		>;
	};

	pinctrl_pmic: pmicgrp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_8__GPIO1_IO08		0x0001b0b0 /* PMIC_IRQ# */
		>;
	};

	pinctrl_pwm2: pwm2grp {
		fsl,pins = <
			MX6QDL_PAD_SD1_DAT2__PWM2_OUT		0x1b0b1
		>;
	};

	pinctrl_pwm3: pwm3grp {
		fsl,pins = <
			MX6QDL_PAD_SD1_DAT1__PWM3_OUT		0x1b0b1
		>;
	};

	pinctrl_tda1997x: tda1997xgrp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_7__GPIO1_IO07		0x1b0b0
		>;
	};

	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX6QDL_PAD_SD4_DAT7__UART2_TX_DATA	0x1b0b1
			MX6QDL_PAD_SD4_DAT4__UART2_RX_DATA	0x1b0b1
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D24__UART3_TX_DATA	0x1b0b1
			MX6QDL_PAD_EIM_D25__UART3_RX_DATA	0x1b0b1
		>;
	};

	pinctrl_usbotg: usbotggrp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_1__USB_OTG_ID		0x17059
		>;
	};

	pinctrl_wdog: wdoggrp {
		fsl,pins = <
			MX6QDL_PAD_DISP0_DAT8__WDOG1_B		0x1b0b0
		>;
	};
};