/*
 * Copyright (C) 2015 AC Squared Enterprises, Inc.
 * Author: Allen Curtis <ajcurtis@ac2enterprises.com>
 */


/dts-v1/;

/*#include "am335x-phycore-som.dtsi"*/
#include "am33xx.dtsi"

/ {
	model = "Avenu Ellipsys X5";
	compatible = "avenu,ellipsys", "phytec,am335x-phycore-som", "ti,am33xx";

	aliases {
		rtc2 = &i2c_em3027; /* also part of the kernel configuration */
	};

	cpus {
		cpu@0 {
			cpu0-supply = <&vcc3v3>;
		};
	};

	memory {
		device_type = "memory";
		reg = <0x80000000 0x20000000>; /* 512 MB */
	};

	backlight: lcd_backlight {
		compatible = "gpio-leds";
	};

	user_leds: leds {
		compatible = "gpio-leds";
	};

	panel: panel {
		compatible = "ti,tilcdc,panel";
		pinctrl-names = "default";
		pinctrl-0 = <&lcd_pins>;
		status = "okay";

		panel-info {
			ac-bias = <255>;
			ac-bias-intrpt = <0>;
			dma-burst-sz = <16>;
			bpp = <32>;
			fdd = <0x80>;
			sync-edge = <0>;
			sync-ctrl = <1>;
			raster-order = <0>;
			fifo-th = <0>;
			invert-pxl-clk = <1>;
		};

		display-timings {
			native-mode = <&timing0>;
			timing0: ETM0700G0DH6 {
				clock-frequency	= <30000000>;
				hactive = <800>;
				vactive = <480>;
				hfront-porch = <40>;
				hback-porch = <88>;
				hsync-len = <48>;
				vback-porch = <32>;
				vfront-porch = <13>;
				vsync-len = <3>;
				hsync-active = <0>;
				vsync-active = <0>;
			};
		};
	};
        vbat: fixedregulator@0 {
                compatible = "regulator-fixed";
                regulator-name = "vbat";
                regulator-min-microvolt = <5000000>;
                regulator-max-microvolt = <5000000>;
                regulator-boot-on;
        };
	vcc3v3: fixedregulator@1 {
		compatible = "regulator-fixed";
		regulator-name = "vcc3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		regulator-boot-on;
	};
	lcd_3v3: fixedregulator-lcd {
		compatible = "regulator-fixed";
		regulator-name = "lcd_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
	};
};

/* I2C Busses */
&am33xx_pinmux {
	i2c0_pins: pinmux_i2c0 {
		pinctrl-single,pins = <
			0x188 (PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_sda.i2c0_sda */
			0x18c (PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_scl.i2c0_scl */
		>;
	};
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	clock-frequency = <400000>;
	status = "okay";

	tps: pmic@2d {
		reg = <0x2d>;
	};

	i2c_eeprom: eeprom@52 {
		compatible = "at,24c32";
		pagesize = <32>;
		reg = <0x52>;
		status = "disabled";
	};

	i2c_rtc: rtc@68 {
		compatible = "mc,rv4162c7";
		reg = <0x68>;
		status = "disabled";
	};
};

/* Ellipsys RTC */
&i2c0 {
	i2c_em3027: rtc2@56 {
		compatible = "em,em3027";
		reg = <0x56>;
		status = "ok";
	};
};

/* SPI Busses */
&am33xx_pinmux {
	spi0_pins: pinmux_spi0 {
		pinctrl-single,pins = <
			0x150 (PIN_INPUT_PULLDOWN | MUX_MODE0)	/* spi0_clk.spi0_clk */
			0x154 (PIN_INPUT_PULLDOWN | MUX_MODE0)	/* spi0_d0.spi0_d0 */
			0x158 (PIN_INPUT_PULLUP | MUX_MODE0)	/* spi0_d1.spi0_d1 */
			0x15c (PIN_INPUT_PULLUP | MUX_MODE0)	/* spi0_cs0.spi0_cs0 */
			0x160 (PIN_INPUT_PULLUP | MUX_MODE0)	/* spi0_cs1.spi0_cs1 */
		>;
	};
};

&spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_pins>;
	status = "okay";

	serial_flash: m25p80@0 {
		compatible = "m25p80";
		spi-max-frequency = <48000000>;
		reg = <0x0>;
		#address-cells = <1>;
		#size-cells = <1>;
		m25p,fast-read;
	};

	ellipsys_spi: stm32f100@1 {
        compatible = "spidev";
/*        compatible = "avenu,ellipsys";*/
		spi-max-frequency = <1000000>;
		reg = <0x1>;
		#address-cells = <1>;
		#size-cells = <1>;
	};		
};
/* UARTs */
&am33xx_pinmux {
	uart0_pins: pinmux_uart0 {
		pinctrl-single,pins = <
			0x170 (PIN_INPUT_PULLUP | MUX_MODE0)    /* uart0_rxd.uart0_rxd */
			0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
		>;
	};

	uart1_pins: pinmux_uart1 {
		pinctrl-single,pins = <
			0x180 (PIN_INPUT_PULLUP | MUX_MODE0)	/* uart1_rxd.uart1_rxd */
			0x184 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* uart1_txd.uart1_txd */
			0x178 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* uart1_ctsn.uart1_ctsn */
			0x17c (PIN_INPUT | MUX_MODE0)		/* uart1_rtsn.uart1_rtsn */
		>;
	};
};
&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;
	status = "okay";
};
&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_pins>;
	status = "okay";
};

&serial_flash {
	label = "user";
/*	status = "disabled";*/
};

/* NAND */
&am33xx_pinmux {
		nandflash_pins: pinmux_nandflash {
			pinctrl-single,pins = <
			0x0 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad0.gpmc_ad0 */
			0x4 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad1.gpmc_ad1 */
			0x8 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad2.gpmc_ad2 */
			0xc (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad3.gpmc_ad3 */
			0x10 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad4.gpmc_ad4 */
			0x14 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad5.gpmc_ad5 */
			0x18 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad6.gpmc_ad6 */
			0x1c (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad7.gpmc_ad7 */
			0x70 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_wait0.gpmc_wait0 */
			0x7c (PIN_OUTPUT | MUX_MODE0)		/* gpmc_csn0.gpmc_csn0 */
			0x90 (PIN_OUTPUT | MUX_MODE0)		/* gpmc_advn_ale.gpmc_advn_ale */
			0x94 (PIN_OUTPUT | MUX_MODE0)		/* gpmc_oen_ren.gpmc_oen_ren */
			0x98 (PIN_OUTPUT | MUX_MODE0)		/* gpmc_wen.gpmc_wen */
			0x9c (PIN_OUTPUT | MUX_MODE0)		/* gpmc_be0n_cle.gpmc_be0n_cle */
		>;
	};
};

&elm {
	status = "okay";
};

&gpmc {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&nandflash_pins>;
	ranges = <0 0 0x08000000 0x10000000>;   /* CS0: NAND */
	nandflash: nand@0,0 {
		reg = <0 0 0>; /* CS0, offset 0 */
		nand-bus-width = <8>;
		ti,nand-ecc-opt = "bch8";
		gpmc,device-nand = "true";
		gpmc,device-width = <1>;
		gpmc,sync-clk-ps = <0>;
		gpmc,cs-on-ns = <0>;
		gpmc,cs-rd-off-ns = <30>;
		gpmc,cs-wr-off-ns = <30>;
		gpmc,adv-on-ns = <0>;
		gpmc,adv-rd-off-ns = <30>;
		gpmc,adv-wr-off-ns = <30>;
		gpmc,we-on-ns = <0>;
		gpmc,we-off-ns = <20>;
		gpmc,oe-on-ns = <10>;
		gpmc,oe-off-ns = <30>;
		gpmc,access-ns = <30>;
		gpmc,rd-cycle-ns = <30>;
		gpmc,wr-cycle-ns = <30>;
		gpmc,wait-on-read = "true";
		gpmc,wait-on-write = "true";
		gpmc,bus-turnaround-ns = <0>;
		gpmc,cycle2cycle-delay-ns = <50>;
		gpmc,cycle2cycle-diffcsen;
		gpmc,clk-activation-ns = <0>;
		gpmc,wait-monitoring-ns = <0>;
		gpmc,wr-access-ns = <30>;
		gpmc,wr-data-mux-bus-ns = <0>;

		elm_id = <&elm>;

		#address-cells = <1>;
		#size-cells = <1>;
	};
};
&nandflash {
	partition@0 {
		label = "spl";
		reg = <0x0 0x200000>;
	};

	partition@1 {
		label = "u-boot";
		reg = <0x200000 0x100000>;
	};

	partition@2 {
		label = "u-boot-env";
		reg = <0x300000 0x100000>;
	};

	partition@3 {
		label = "dtb";
		reg = <0x400000 0x100000>;
	};

	partition@4 {
		label = "splash";
		reg = <0x500000 0x400000>;
	};

	partition@5 {
		label = "kernel";
		reg = <0x900000 0x600000>;
	};

	partition@6 {
		label = "rootfs";
		/*
		 * setting size to 0x0 here, size will be extended to
		 * end of nand flash while booting.
		 */
		reg = <0xf00000 0x0>;
	};
};

/* MCU GPIOs */
&am33xx_pinmux {
	pinctrl-names = "default";
	/* pinctrl-0 = <&interlock_gpio_pins &user_buttons_pins &spi_flowctl_gpio_pins>; */
	pinctrl-0 = <&interlock_gpio_pins &spi_flowctl_gpio_pins>;

	mcu_reset_gpio_pins: pinmux_mcu_reset_gpio {
		pinctrl-single,pins = <
			/* only drive this when rebooting the MCU */
			0x16C (PIN_INPUT_PULLUP | MUX_MODE7)	/* BootMode0.gpio1_9 */
			0x194 (PIN_INPUT_PULLUP | MUX_MODE7)	/* BootMode0.gpio3_19 */
		>;
	};

	mcu_boot0_gpio_pins: pinmux_mcu_boot0_gpio {
		pinctrl-single,pins = <
			/* only drive this when rebooting the MCU */
			0x16C (PIN_INPUT_PULLUP | MUX_MODE7)	/* uart0_rtsn.gpio1_9 */
		>;
	};

	spi_flowctl_gpio_pins: pinmux_spi_flowctl_gpio {
		pinctrl-single,pins = <
			0x134 (PIN_INPUT_PULLUP | MUX_MODE7)	/* gpio2_18 */
			0x12C (PIN_INPUT_PULLUP | MUX_MODE7)	/* gpio3_9 */
		>;
	};

	interlock_gpio_pins: pinmux_interlock_gpio {
		pinctrl-single,pins = <
			0x11C (PIN_INPUT_PULLUP | MUX_MODE7)	/* From MCU,gpio0_16 */
			0x80 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)  /* To MCU,gpio1_30 */
		>;
	};

/* Buttons are handled by the MCU right now
	user_buttons_pins: pinmux_user_buttons {
		pinctrl-single,pins = <
			0x1E4 (PIN_INPUT_PULLUP | MUX_MODE7)	// emu0.gpio3_7 
			0x1E8 (PIN_INPUT_PULLUP | MUX_MODE7)	// emu1.gpio3_8 
		>;
	};
*/
};

/* USB */
&usb {
	pinctrl-names = "default";
	pinctrl-0 = <&usb_pins>;
	status = "okay";
};
&am33xx_pinmux {
	usb_pins: pinmux_usb_pins {
		pinctrl-single,pins = <
			0x21c (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* usb0_drvvbus.usb0_drvvbus */
			/* 0x234 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	 usb1_drvvbus.usb1_drvvbus */
	/* NOT SURE WHAT THESE GPIOs are USED FOR */
			/* 0x80 (PIN_INPUT_PULLUP | MUX_MODE7)	 gpmc_csn1.gpio1_30 */
			/* 0x84 (PIN_INPUT_PULLUP | MUX_MODE7)	 gpmc_csn2.gpio1_31 */
		>;
	};
};
&cppi41dma {
	status = "okay";
};
&ctrl_mod {
	status = "okay";
};
&usb0 {
	dr_mode = "host";
	status = "okay";
};
&usb0_phy {
	status = "okay";
};

/* MMC */
&am33xx_pinmux {
	mmc1_pins: pinmux_mmc1_pins {
		pinctrl-single,pins = <
			0x0f0 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat3 */
			0x0f4 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat2 */
			0x0f8 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat1 */
			0x0fc (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat0 */
			0x100 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_clk */
			0x104 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_cmd */
			/* pullup already wired,  function: SD0_WP write protect */
			0x1a0 (PIN_INPUT_PULLDOWN | MUX_MODE4)	/* mcasp0_aclkr.mmc0_sdwp_mux1 */
			/* pullup already wired, function: nSD0_CD card detect */
			0x044 (PIN_INPUT | MUX_MODE7)    /* gpmc_a1.gpio1[17] */
		>;
	};
};

&mmc1 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc1_pins>;
	vmmc-supply = <&vcc3v3>;
	bus-width = <4>;
	cd-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

/* LCD Panel */
&am33xx_pinmux {
	lcd_pins: pinmux_lcd {
		pinctrl-single,pins = <
			0xA0 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data0.lcd_data0 */
			0xA4 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data1.lcd_data1 */
			0xA8 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data2.lcd_data2 */
			0xAC (PIN_OUTPUT | MUX_MODE0)	/* lcd_data3.lcd_data3 */
			0xB0 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data4.lcd_data4 */
			0xB4 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data5.lcd_data5 */
			0xB8 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data6.lcd_data6 */
			0xBC (PIN_OUTPUT | MUX_MODE0)	/* lcd_data7.lcd_data7 */
			0xC0 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data8.lcd_data8 */
			0xC4 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data9.lcd_data9 */
			0xC8 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data10.lcd_data10 */
			0xCC (PIN_OUTPUT | MUX_MODE0)	/* lcd_data11.lcd_data11 */
			0xD0 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data12.lcd_data12 */
			0xD4 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data13.lcd_data13 */
			0xD8 (PIN_OUTPUT | MUX_MODE0)	/* lcd_data14.lcd_data14 */
			0xDC (PIN_OUTPUT | MUX_MODE0)	/* lcd_data15.lcd_data15 */
			0x3C (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad15.lcd_data16 */
			0x38 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad14.lcd_data17 */
			0x34 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad13.lcd_data18 */
			0x30 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad12.lcd_data19 */
			0x2C (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad11.lcd_data20 */
			0x28 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad10.lcd_data21 */
			0x24 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad9.lcd_data22 */
			0x20 (PIN_OUTPUT | MUX_MODE1)	/* gpmc_ad8.lcd_data23 */
			0xE0 (PIN_OUTPUT | MUX_MODE0)	/* lcd_vsync.lcd_vsync */
			0xE4 (PIN_OUTPUT | MUX_MODE0)	/* lcd_hsync.lcd_hsync */
			0xE8 (PIN_OUTPUT | MUX_MODE0)	/* lcd_pclk.lcd_pclk */
			0xEC (PIN_OUTPUT | MUX_MODE0)	/* lcd_ac_bias_en.lcd_ac_bias_en */
		>;
	};
};
&lcdc {
		status = "okay";
};
&epwmss2 {
		status = "okay";
};
&ecap2 {
	status = "okay";
};

/* Backlight */
&am33xx_pinmux {
	backlight_pins: pinmux_backlight {
		pinctrl-single,pins = <
                	0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)  /* gpmc_a5.gpio0_28 */
                >;
	};
};
&backlight {
	pinctrl-0 = <&backlight_pins>;
	led0 {
		label = "backlight:user0";
		gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>;
	/* default trigger should be changed to "backlight" */
		linux,default-trigger = "none";
		default-state = "off";
	};
};