/*
    ...
 * Copyright (C) 2014 Nest Labs, Inc.
 *
 * 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/;

#include <dt-bindings/gpio/gpio.h>
#include "imx6sx.dtsi"
#include <dt-bindings/interrupt-controller/arm-gic.h>

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

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

		HU-button {
			label = "HU Button";
			gpios = <&gpio2 18 GPIO_ACTIVE_HIGH>;
			linux,code = <28>; /* KEY_ENTER */
			gpio-key,wakeup;
		};
	};

	gpio-poweroff {
		compatible = "gpio-poweroff";
		gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>;
	};

	brcm_wifi {
		host-irq-gpio = <&gpio5 15 GPIO_ACTIVE_HIGH>;
		reg = <0x0 0>;
		compatible = "nestlabs,gpio-exporter";
		output-names = "reset";
		output-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
	};

    pwm-beeper {
		compatible = "pwm-beeper";
		pwms = <&pwm1>;
		enable-gpio = <&gpio1 5 GPIO_ACTIVE_LOW>;
	};


    em35x-gpios {
		compatible = "nestlabs,gpio-exporter";
		reg = <0x0 0>;
		output-names = "reset", "wake";
		output-gpios = <&gpio2 0 GPIO_ACTIVE_HIGH
				&gpio2 5 GPIO_ACTIVE_HIGH>;

		input-names = "irq";
		input-gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>;
	};

	aliases {
		serial-ble0 = &uart5;
		serial-sensormcu0 = &uart6;
	};

	ble0-da14580-gpios {
		reg = <0x0 0>;
		compatible = "nestlabs,gpio-exporter";
		output-names = "reset";
		output-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>;
	};

    sensor-mcu-gpios {
		compatible = "nestlabs,gpio-exporter";
		reg = <0x0 0>;
		output-names = "reset";
		output-gpios = <&gpio5 14 GPIO_ACTIVE_HIGH>;

		input-names = "detect#";
		input-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
	};

	battery: battery@0 {
		compatible = "adc-div-battery";
		io-channels = <&adc2 0>;
		divider-r1-ohm = <100000>;
		divider-r2-ohm = <301000>;
		vbatt-adc-input-enable-gpio = <&gpio6 16 GPIO_ACTIVE_HIGH>;
		delay-us = <8000>;
		status = "okay";
	};

	soc {
		aips-bus@02200000 {
			magwheel: adc@02280000 {
				compatible = "nestlabs,vf610-adc-magwheel";
				vref-supply = <&vgen5_reg>;
				reg = <0x02280000 0x4000>;
				interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
				nestlabs,adc-channels-used = <1 2>;
				nestlabs,adc-channel-midpoints = <1965 2038>;
				hall-sensor-enable-gpio = <&gpio7 2 GPIO_ACTIVE_LOW>;
				status = "okay";
			};
		};

		low_system_bus {
			compatible = "fsl,imx6sx-low_system_bus";
			clocks = <&clks IMX6SX_CLK_AHB>, <&clks IMX6SX_CLK_IPG>,
				<&clks IMX6SX_CLK_PERIPH>, <&clks IMX6SX_CLK_PERIPH_PRE>,
				<&clks IMX6SX_CLK_PERIPH_CLK2>, <&clks IMX6SX_CLK_PERIPH_CLK2_SEL>,
				<&clks IMX6SX_CLK_OSC>, <&clks IMX6SX_CLK_OCRAM_SEL>,
				<&clks IMX6SX_CLK_OCRAM>, <&clks IMX6SX_CLK_DISPLAY_PODF>,
				<&clks IMX6SX_CLK_ECSPI_SEL>, <&clks IMX6SX_CLK_UART_SEL>,
				<&clks IMX6SX_CLK_GPU_CORE_SEL>, <&clks IMX6SX_CLK_GPU_AXI_SEL>,
				<&clks IMX6SX_CLK_PLL2_BUS>;
				clock-names = "ahb", "ipg", "periph", "periph_pre", "periph_clk2",
					"periph_clk2_sel", "osc", "ocram_sel", "ocram", "display_podf",
					"ecspi_sel", "uart_sel", "gpu_core_sel", "gpu_axi_sel", "pll2";
		};

		busfreq {
			status = "disabled";
		};
	};

};

/* ADC2 for VBAT */
&adc2 {
	#io-channel-cells = <1>;
	vref-supply = <&vgen5_reg>;
	status = "okay";
};

/*lcd driver spi*/
&ecspi1 {
        fsl,spi-num-chipselects = <1>;
        cs-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_ecspi1_1>;
	/delete-property/ dmas;
        status = "okay";

	hx8369@0{
		compatible = "himax,hx8369";
		spi-max-frequency= <2000000>;
		gpios-reset = <&gpio3 27 GPIO_ACTIVE_LOW>;
		reg = <0>;
		spi-cpol;
		spi-cpha;
	};
};
/* Zigbee SPI */
&ecspi3 {
        fsl,spi-num-chipselects = <1>;
        cs-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>;
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_ecspi3_1>;
	/delete-property/ dmas;
        status = "okay";

        spidev_em35x@0 {
                compatible = "spidev";
                spi-max-frequency = <20000000>;
                reg = <0>;
        };
};

/* Power Controller */
&gpc {
	fsl,cpu_pupscr_sw2iso = <0xf>;
	fsl,cpu_pupscr_sw = <0xf>;
	fsl,cpu_pdnscr_iso2sw = <0x1>;
	fsl,cpu_pdnscr_iso = <0x1>;
	fsl,wdog-reset = <1>; /* watchdog select of reset source */
};

/* PWM1 for Piezo */
&pwm1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm1_0>;
	status = "okay";
};

/* I2C2 */
&i2c2 {
        clock-frequency = <100000>;
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_i2c2_1>;
        status = "okay";
        /* LM3530 (LED Driver) @ 0x63 */
        lm3695@63{
            compatible= "national,lm3695";
            reg = <0x63>;
            max-brightness = <2047>;
            default-brightness = <1800>;
            single-string;
            boost-freq;
            ramp-rise-time = <2000>;
            ramp-fall-time = <2000>;
            enable-gpio = <&gpio2 14 GPIO_ACTIVE_HIGH>;
            fb-device = "mxsfb";
        };
};

&i2c4 {
        clock-frequency = <100000>;
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_i2c4_3>;
        status = "okay";


	/* MMPF0200 (PMIC) @ 0x08 */
	pmic: pfuze200@08 {
		compatible = "fsl,pfuze200";
		reg = <0x08>;

		regulators {
			/* VDDCORE: VDD_ARM_IN */
			sw1a_reg: sw1ab {
				regulator-min-microvolt = <975000>;
				regulator-max-microvolt = <1350000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <6250>;
			};

			/* STANDBY VDDCORE: VDD_ARM_IN */
			sw1astby_reg: sw1abstby {
				regulator-min-microvolt = <975000>;
				regulator-max-microvolt = <975000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VDDSOC: VDD_SOC_IN */
			sw2_reg: sw2 {
				regulator-min-microvolt = <975000>;
				regulator-max-microvolt = <1350000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <6250>;
			};

			/* STANDBY VDDSOC: VDD_SOC_IN */
			sw2stby_reg: sw2stby {
				regulator-min-microvolt = <1125000>;
				regulator-max-microvolt = <1125000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* PP2V2_DDR: DDR */
			sw3a_reg: sw3a {
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* STANDBY PP2V2_DDR: DDR */
			sw3astby_reg: sw3astby {
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* PP1V8: NAND, Several Digital I/O Supplies (NVCC_KEY, NVCC_GPIO, etc) */
			sw3b_reg: sw3b {
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* STANDBY PP1V8: NAND, Several Digital I/O Supplies (NVCC_KEY, NVCC_GPIO, etc) */
			sw3bstby_reg: sw3bstby {
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VSNVS_3V0: Pullups for reset buttons and boot straps */
			snvs_reg: vsnvs {
				regulator-min-microvolt = <3000000>;
				regulator-max-microvolt = <3000000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* DDR_VREF: DDR */
			vref_reg: vrefddr {
				regulator-boot-on;
				regulator-always-on;
			};

			/* DISPLAY */
			vgen4_reg: vgen4 {
				regulator-min-microvolt = <2800000>;
				regulator-max-microvolt = <2800000>;
				regulator-always-on;
			};

			vgen5_reg: vgen5 {
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
			};

			vgen6_reg: vgen6 {
				regulator-min-microvolt = <3000000>;
				regulator-max-microvolt = <3000000>;
				regulator-always-on;
			};
		};
	};
};

/*lcd interface*/
&lcdif1 {
	pinctrl-names = "default","sleep";
	pinctrl-0 = <&pinctrl_lcdif_dat_0 &pinctrl_lcdif_ctrl_0>;
	pinctrl-1 = <&pinctrl_lcdif_dat_1 &pinctrl_lcdif_ctrl_1>; /*note: defined later per board */
	display = <&display>;
	status = "okay";
	disp-dev = "hx8357";

	display: display {
		native-mode = <&timing0>;
		bits-per-pixel = <32>;
		buffers = <2>;
		bus-width = <24>;
		display-timings {
			timing0: 480x640{
				clock-frequency = <19698480>; /*(480+6+6+10 pixels) * (480+9+2+163 lines) * 60 frames*/
				hactive = <480>;
				vactive = <640>;
				hback-porch = <6>;
				hfront-porch = <6>;
				vback-porch = <6>;
				vfront-porch = <6>;
				hsync-len = <10>;
				vsync-len = <2>;
				hsync-active = <0>;
				vsync-active = <0>;
				de-active = <1>;
				pixelclk-active = <1>;
			};
		};
	};
};

/* Pinmux Controller */
&iomuxc {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_hog>;

	pwm1 {
		pinctrl_pwm1_0: pwm1grp-0 {
			fsl,pins = <
				MX6SX_PAD_GPIO1_IO10__PWM1_OUT 0x110b0
			>;
		};
	};

	i2c4 {
		pinctrl_i2c4_3: i2c4grp-3 {
			fsl,pins = <
				MX6SX_PAD_USB_H_DATA__I2C4_SDA          0x4001b8b1
				MX6SX_PAD_USB_H_STROBE__I2C4_SCL        0x4001b8b1
			>;
		};
	};


	uart5 {
		pinctrl_uart5_2: uart5grp-2 {
			fsl,pins = <
				MX6SX_PAD_SD4_DATA4__UART5_RX    0x1b0b1
				MX6SX_PAD_SD4_DATA5__UART5_TX    0x1b0b1
				MX6SX_PAD_SD4_DATA7__UART5_CTS_B 0x1a0b1
				MX6SX_PAD_SD4_DATA6__UART5_RTS_B 0x1a0b1
			>;
		};
	};

	uart6 {
		pinctrl_uart6_1: uart6grp-1 {
			fsl,pins = <
				MX6SX_PAD_KEY_ROW1__UART6_RX	0x1b0b1
				MX6SX_PAD_KEY_COL1__UART6_TX	0x1b0b1
				MX6SX_PAD_KEY_ROW0__UART6_CTS_B	0x1b0b1
				MX6SX_PAD_KEY_COL0__UART6_RTS_B	0x1b0b1
			>;
		};
		pinctrl_uart6_1_sleep: uart6grp-1-sleep {
			fsl,pins = <
				MX6SX_PAD_KEY_ROW1__UART6_RX	0x1b0b1
				MX6SX_PAD_KEY_COL1__UART6_TX	0x1b0b1
				MX6SX_PAD_KEY_ROW0__GPIO2_IO_15	0x130b1
				MX6SX_PAD_KEY_COL0__UART6_RTS_B	0x1b0b1
			>;

		};
	};

	hog {
		pinctrl_hog: hoggrp {
			fsl,pins = <
				MX6SX_PAD_RGMII2_RD3__GPIO5_IO_15    0xc0000000 /* wifi OOB: interrupt to cpu */
				MX6SX_PAD_GPIO1_IO04__GPIO1_IO_4     0xc0000000	/* wifi OOB: reset from cpu */
				MX6SX_PAD_QSPI1B_SS0_B__GPIO4_IO_30  0xc0000000 /* ecspi3 SS0 cs GPIO */
				MX6SX_PAD_ENET1_RX_CLK__GPIO2_IO_4   0xc0000000 /* zb OOB: IRQ from zb */
				MX6SX_PAD_ENET1_COL__GPIO2_IO_0      0xc0000000 /* zb OOB: Reset from cpu */
				MX6SX_PAD_ENET1_TX_CLK__GPIO2_IO_5   0xc0000000 /* zb OOB: Wake from cpu */
				MX6SX_PAD_ENET1_CRS__GPIO2_IO_1      0x000000b0 /* zb OOB: PWR_EN, leave floating */
				MX6SX_PAD_RGMII2_RX_CTL__GPIO5_IO_16 0xc0000000 /* BLE Reset_L */
				MX6SX_PAD_RGMII2_RXC__GPIO5_IO_17    0xc0000000 /* BLE INT */

				MX6SX_PAD_KEY_COL4__GPIO2_IO_14         0xc0000000 /* LCD backlight_EN */
				MX6SX_PAD_QSPI1A_SS0_B__GPIO4_IO_22     0xc0000000 /* LCD CS */

				MX6SX_PAD_RGMII2_RD1__GPIO5_IO_13 0xc0000000 /* Backplate_detect */
				MX6SX_PAD_RGMII2_RD2__GPIO5_IO_14 0xc0000000 /* Backplate_reset_L */

				MX6SX_PAD_GPIO1_IO11__GPIO1_IO_11 0xc0000000 /* BATT_DISCONNECT */

				MX6SX_PAD_SD4_DATA2__GPIO6_IO_16  0xc0000000 /* ADC_VBATT_ENABLE */
				MX6SX_PAD_SD3_DATA0__GPIO7_IO_2   0xc0000000 /* SOC_HE_EN_L, this gpio is only connected in DVT and later HW*/
				MX6SX_PAD_GPIO1_IO05__GPIO1_IO_5  0xc0000000 /* Piezo EN */

				MX6SX_PAD_ENET1_MDIO__OSC32K_32K_OUT 0x10b0  /* CPU_32K_CLK_OUT */

				MX6SX_PAD_GPIO1_IO08__WDOG1_WDOG_B 0x80000000	/*Watchdog COLD_RST_REQ */
				MX6SX_PAD_SD3_DATA7__GPIO7_IO_9    0xc0000000   /* WARM_RST_REQ */
			>;
		};
	};

        ecspi1 {
                pinctrl_ecspi1_1: ecspi1grp-1 {
                        fsl,pins = <
                                MX6SX_PAD_QSPI1A_DATA1__ECSPI1_MISO 0x100b1
                                MX6SX_PAD_QSPI1A_DATA0__ECSPI1_MOSI 0x100b1
                                MX6SX_PAD_QSPI1A_SCLK__ECSPI1_SCLK 0x100b1
                        >;
                };
        };
        ecspi3 {
                pinctrl_ecspi3_1: ecspi3grp-1 {
                        fsl,pins = <
                                MX6SX_PAD_QSPI1B_DATA1__ECSPI3_MISO 0x100b1
                                MX6SX_PAD_QSPI1B_DATA0__ECSPI3_MOSI 0x100b1
                                MX6SX_PAD_QSPI1B_SCLK__ECSPI3_SCLK 0x100b1
                        >;
                };
        };
};

/* A9 Debug UART */
&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart1_2>;
	status = "okay";
};

/* M4 Debug UART */
&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2_1>;
	status = "okay";
};

/* Bluetooth UART */
&uart5 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart5_2>;
	fsl,uart-has-rtscts;
	fsl,uart-can-wake;
	fsl,uart-cpu-mode;
	status = "okay";
};

/* BP UART */
&uart6 {
	pinctrl-names = "default","sleep";
	pinctrl-0 = <&pinctrl_uart6_1>;
	pinctrl-1 = <&pinctrl_uart6_1_sleep>;
	fsl,uart-has-rtscts;
	fsl,uart-can-wake;
	fsl,uart-cpu-mode;
	status = "okay";
};

/* Debug USB (Device) */
&usbotg1 {
	pinctrl-names = "default";
	dr_mode = "peripheral";
	imx6-usb-charger-detection;
	status = "okay";
};

/* WIFI SDIO */
&usdhc2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usdhc2_1>;
	non-removable;
	keep-power-in-suspend;
	enable-sdio-wakeup;
	status = "okay";
};

/* GPMI NAND */
&gpmi {
	status = "okay";
	nand-on-flash-bbt; /* Need to reserve NAND_BBT_SCAN_MAXBLOCKS at end of NAND */

	partition@0-a {
		label = "nand0";
		reg = <0x0 0x20000000>;
	};

	partition@0-b {
		label = "u-boot";
		reg = <0x0 0x00400000>;
	};
	partition@00400000 {
		label = "ubipart";
		reg = <0x00400000 0x1F400000>;
	};

	partition@1F800000 {
		label = "oopsdata";
		reg = <0x1F800000 0x780000>;
	};
};

&cpu0 {
	operating-points = <
	/* kHz    uV */
	792000  1175000
	/* kHz    uV */
	396000  1075000
	>;
	fsl,soc-operating-points = <
	/* ARM kHz      SOC uV */
	792000            1225000
	/* ARM kHz      SOC uV */
	396000            1225000
	>;

	arm-supply = <&sw1a_reg>;
	soc-supply = <&sw2_reg>;
	pu-supply = <&pu_dummy>;
};

&gpc {
	fsl,ldo-bypass = <1>;
};