linux/arch/arm/boot/dts/am335x-nano.dts

/*
 * Copyright (C) 2013 Newflow Ltd - http://www.newflow.co.uk/
 *
 * 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 "am33xx.dtsi"

/ {
	model = "Newflow AM335x NanoBone";
	compatible = "ti,am33xx";

	cpus {
		cpu@0 {
			cpu0-supply = <&dcdc2_reg>;
		};
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x10000000>; /* 256 MB */
	};

	leds {
		compatible = "gpio-leds";

		led0 {
			label = "nanobone:green:usr1";
			gpios = <&gpio1 5 0>;
			default-state = "off";
		};
	};
};

&am33xx_pinmux {
	pinctrl-names = "default";
	pinctrl-0 = <&misc_pins>;

	misc_pins: misc_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x95c, PIN_OUTPUT | MUX_MODE7)	/* spi0_cs0.gpio0_5 */
		>;
	};

	gpmc_pins: gpmc_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad0.gpmc_ad0 */
			AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad1.gpmc_ad1 */
			AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad2.gpmc_ad2 */
			AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad3.gpmc_ad3 */
			AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad4.gpmc_ad4 */
			AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad5.gpmc_ad5 */
			AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad6.gpmc_ad6 */
			AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad7.gpmc_ad7 */
			AM33XX_IOPAD(0x820, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad8.gpmc_ad8 */
			AM33XX_IOPAD(0x824, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad9.gpmc_ad9 */
			AM33XX_IOPAD(0x828, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad10.gpmc_ad10 */
			AM33XX_IOPAD(0x82c, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad11.gpmc_ad11 */
			AM33XX_IOPAD(0x830, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad12.gpmc_ad12 */
			AM33XX_IOPAD(0x834, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad13.gpmc_ad13 */
			AM33XX_IOPAD(0x838, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad14.gpmc_ad14 */
			AM33XX_IOPAD(0x83c, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad15.gpmc_ad15 */

			AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_wait0.gpmc_wait0 */
			AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)		/* gpmc_csn0.gpmc_csn0 */
			AM33XX_IOPAD(0x880, PIN_OUTPUT | MUX_MODE0)		/* gpmc_csn1.gpmc_csn1 */
			AM33XX_IOPAD(0x884, PIN_OUTPUT | MUX_MODE0)		/* gpmc_csn2.gpmc_csn2 */
			AM33XX_IOPAD(0x888, PIN_OUTPUT | MUX_MODE0)		/* gpmc_csn3.gpmc_csn3 */

			AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)		/* gpmc_advn_ale.gpmc_advn_ale */
			AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)		/* gpmc_oen_ren.gpmc_oen_ren */
			AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)		/* gpmc_wen.gpmc_wen */
			AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)		/* gpmc_ben0_cle.gpmc_ben0_cle */

			AM33XX_IOPAD(0x8a4, PIN_OUTPUT | MUX_MODE1)		/* lcd_data1.gpmc_a1 */
			AM33XX_IOPAD(0x8a8, PIN_OUTPUT | MUX_MODE1)		/* lcd_data2.gpmc_a2 */
			AM33XX_IOPAD(0x8ac, PIN_OUTPUT | MUX_MODE1)		/* lcd_data3.gpmc_a3 */
			AM33XX_IOPAD(0x8b0, PIN_OUTPUT | MUX_MODE1)		/* lcd_data4.gpmc_a4 */
			AM33XX_IOPAD(0x8b4, PIN_OUTPUT | MUX_MODE1)		/* lcd_data5.gpmc_a5 */
			AM33XX_IOPAD(0x8b8, PIN_OUTPUT | MUX_MODE1)		/* lcd_data6.gpmc_a6 */
			AM33XX_IOPAD(0x8bc, PIN_OUTPUT | MUX_MODE1)		/* lcd_data7.gpmc_a7 */

			AM33XX_IOPAD(0x8e0, PIN_OUTPUT | MUX_MODE1)		/* lcd_vsync.gpmc_a8 */
			AM33XX_IOPAD(0x8e4, PIN_OUTPUT | MUX_MODE1)		/* lcd_hsync.gpmc_a9 */
			AM33XX_IOPAD(0x8e8, PIN_OUTPUT | MUX_MODE1)		/* lcd_pclk.gpmc_a10 */
		>;
	};

	i2c0_pins: i2c0_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x988, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* i2c0_sda.i2c0_sda */
			AM33XX_IOPAD(0x98c, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* i2c0_scl.i2c0_scl */
		>;
	};

	uart0_pins: uart0_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)	/* uart0_rxd.uart0_rxd */
			AM33XX_IOPAD(0x974, PIN_OUTPUT | MUX_MODE0)		/* uart0_txd.uart0_txd */
		>;
	};

	uart1_pins: uart1_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x978, PIN_OUTPUT | MUX_MODE7)		/* uart1_ctsn.uart1_ctsn */
			AM33XX_IOPAD(0x97c, PIN_OUTPUT | MUX_MODE7)		/* uart1_rtsn.uart1_rtsn */
			AM33XX_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0)	/* uart1_rxd.uart1_rxd */
			AM33XX_IOPAD(0x984, PIN_OUTPUT | MUX_MODE0)		/* uart1_txd.uart1_txd */
		>;
	};

	uart2_pins: uart2_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x8c0, PIN_INPUT_PULLUP | MUX_MODE7)	/* lcd_data8.gpio2[14] */
			AM33XX_IOPAD(0x8c4, PIN_OUTPUT | MUX_MODE7)		/* lcd_data9.gpio2[15] */
			AM33XX_IOPAD(0x950, PIN_INPUT | MUX_MODE1)		/* spi0_sclk.uart2_rxd */
			AM33XX_IOPAD(0x954, PIN_OUTPUT | MUX_MODE1)		/* spi0_d0.uart2_txd */
		>;
	};

	uart3_pins: uart3_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x8c8, PIN_INPUT_PULLUP | MUX_MODE6)	/* lcd_data10.uart3_ctsn */
			AM33XX_IOPAD(0x8cc, PIN_OUTPUT | MUX_MODE6)		/* lcd_data11.uart3_rtsn */
			AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE1)		/* spi0_cs1.uart3_rxd */
			AM33XX_IOPAD(0x964, PIN_OUTPUT | MUX_MODE1)		/* ecap0_in_pwm0_out.uart3_txd */
		>;
	};

	uart4_pins: uart4_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x8d0, PIN_INPUT_PULLUP | MUX_MODE6)	/* lcd_data12.uart4_ctsn */
			AM33XX_IOPAD(0x8d4, PIN_OUTPUT | MUX_MODE6)		/* lcd_data13.uart4_rtsn */
			AM33XX_IOPAD(0x968, PIN_INPUT | MUX_MODE1)		/* uart0_ctsn.uart4_rxd */
			AM33XX_IOPAD(0x96c, PIN_OUTPUT | MUX_MODE1)		/* uart0_rtsn.uart4_txd */
		>;
	};

	uart5_pins: uart5_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x8d8, PIN_INPUT | MUX_MODE4)		/* lcd_data14.uart5_rxd */
			AM33XX_IOPAD(0x944, PIN_OUTPUT | MUX_MODE3)		/* rmiii1_refclk.uart5_txd */
		>;
	};

	mmc1_pins: mmc1_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat0.mmc0_dat0 */
			AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat1.mmc0_dat1 */
			AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat2.mmc0_dat2 */
			AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_dat3.mmc0_dat3 */
			AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_clk.mmc0_clk */
			AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc0_cmd.mmc0_cmd */
			AM33XX_IOPAD(0x9e8, PIN_INPUT_PULLUP | MUX_MODE7)	/* emu1.gpio3[8] */
			AM33XX_IOPAD(0x9a0, PIN_INPUT_PULLUP | MUX_MODE7)	/* mcasp0_aclkr.gpio3[18] */
		>;
	};
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;
	status = "okay";
};

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_pins>;
	status = "okay";
	rts-gpio = <&gpio0 13 GPIO_ACTIVE_HIGH>;
	rs485-rts-active-high;
	rs485-rx-during-tx;
	rs485-rts-delay = <1 1>;
	linux,rs485-enabled-at-boot-time;
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart2_pins>;
	status = "okay";
	rts-gpio = <&gpio2 15 GPIO_ACTIVE_HIGH>;
	rs485-rts-active-high;
	rs485-rts-delay = <1 1>;
	linux,rs485-enabled-at-boot-time;
};

&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart3_pins>;
	status = "okay";
};

&uart4 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart4_pins>;
	status = "okay";
};

&uart5 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart5_pins>;
	status = "okay";
};

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

	gpio@20 {
		compatible = "microchip,mcp23017";
		gpio-controller;
		#gpio-cells = <2>;
		reg = <0x20>;
	};

	tps: tps@24 {
		reg = <0x24>;
	};

	eeprom@53 {
		compatible = "microchip,24c02";
		reg = <0x53>;
		pagesize = <8>;
	};

	rtc@68 {
		compatible = "dallas,ds1307";
		reg = <0x68>;
	};
};

&elm {
	status = "okay";
};

&gpmc {
	compatible = "ti,am3352-gpmc";
	ti,hwmods = "gpmc";
	status = "okay";
	gpmc,num-waitpins = <2>;
	pinctrl-names = "default";
	pinctrl-0 = <&gpmc_pins>;

	#address-cells = <2>;
	#size-cells = <1>;
	ranges = <0 0 0x08000000 0x08000000>;	/* CS0: NOR 128M */

	nor@0,0 {
		reg = <0 0x00000000 0x08000000>;
		compatible = "cfi-flash";
		linux,mtd-name = "spansion,s29gl010p11t";
		bank-width = <2>;

		gpmc,mux-add-data = <2>;

		gpmc,sync-clk-ps = <0>;
		gpmc,cs-on-ns = <0>;
		gpmc,cs-rd-off-ns = <160>;
		gpmc,cs-wr-off-ns = <160>;
		gpmc,adv-on-ns = <10>;
		gpmc,adv-rd-off-ns = <30>;
		gpmc,adv-wr-off-ns = <30>;
		gpmc,oe-on-ns = <40>;
		gpmc,oe-off-ns = <160>;
		gpmc,we-on-ns = <40>;
		gpmc,we-off-ns = <160>;
		gpmc,rd-cycle-ns = <160>;
		gpmc,wr-cycle-ns = <160>;
		gpmc,access-ns = <150>;
		gpmc,page-burst-access-ns = <10>;
		gpmc,cycle2cycle-samecsen;
		gpmc,cycle2cycle-delay-ns = <20>;
		gpmc,wr-data-mux-bus-ns = <70>;
		gpmc,wr-access-ns = <80>;

		#address-cells = <1>;
		#size-cells = <1>;

		/*
		MTD partition table
		===================
		+------------+-->0x00000000-> U-Boot start
		|            |
		|            |-->0x000BFFFF-> U-Boot end
		|            |-->0x000C0000-> ENV1 start
		|            |
		|            |-->0x000DFFFF-> ENV1 end
		|            |-->0x000E0000-> ENV2 start
		|            |
		|            |-->0x000FFFFF-> ENV2 end
		|            |-->0x00100000-> Kernel start
		|            |
		|            |-->0x004FFFFF-> Kernel end
		|            |-->0x00500000-> File system start
		|            |
		|            |-->0x01FFFFFF-> File system end
		|            |-->0x02000000-> User data start
		|            |
		|            |-->0x03FFFFFF-> User data end
		|            |-->0x04000000-> Data storage start
		|            |
		+------------+-->0x08000000-> NOR end (Free end)
		*/
		partition@0 {
			label = "boot";
			reg = <0x00000000 0x000c0000>; /* 768KB */
		};

		partition@1 {
			label = "env1";
			reg = <0x000c0000 0x00020000>; /* 128KB */
		};

		partition@2 {
			label = "env2";
			reg = <0x000e0000 0x00020000>; /* 128KB */
		};

		partition@3 {
			label = "kernel";
			reg = <0x00100000 0x00400000>; /* 4MB */
		};

		partition@4 {
			label = "rootfs";
			reg = <0x00500000 0x01b00000>; /* 27MB */
		};

		partition@5 {
			label = "user";
			reg = <0x02000000 0x02000000>; /* 32MB */
		};

		partition@6 {
			label = "data";
			reg = <0x04000000 0x04000000>; /* 64MB */
		};
	};
};

&mac {
	dual_emac;
	status = "okay";
};

&davinci_mdio {
	status = "okay";
};

&cpsw_emac0 {
	phy_id = <&davinci_mdio>, <0>;
	phy-mode = "mii";
	dual_emac_res_vlan = <1>;
};

&cpsw_emac1 {
	phy_id = <&davinci_mdio>, <1>;
	phy-mode = "mii";
	dual_emac_res_vlan = <2>;
};

&mmc1 {
	status = "okay";
	vmmc-supply = <&ldo4_reg>;
	pinctrl-names = "default";
	pinctrl-0 = <&mmc1_pins>;
	bus-width = <4>;
	cd-gpios = <&gpio3 8 0>;
	wp-gpios = <&gpio3 18 0>;
};

#include "tps65217.dtsi"

&tps {
	regulators {
		dcdc1_reg: regulator@0 {
			/* +1.5V voltage with ±4% tolerance */
			regulator-min-microvolt = <1450000>;
			regulator-max-microvolt = <1550000>;
			regulator-boot-on;
			regulator-always-on;
		};

		dcdc2_reg: regulator@1 {
			/* VDD_MPU voltage limits 0.95V - 1.1V with ±4% tolerance */
			regulator-name = "vdd_mpu";
			regulator-min-microvolt = <915000>;
			regulator-max-microvolt = <1140000>;
			regulator-boot-on;
			regulator-always-on;
		};

		dcdc3_reg: regulator@2 {
			/* VDD_CORE voltage limits 0.95V - 1.1V with ±4% tolerance */
			regulator-name = "vdd_core";
			regulator-min-microvolt = <915000>;
			regulator-max-microvolt = <1140000>;
			regulator-boot-on;
			regulator-always-on;
		};

		ldo1_reg: regulator@3 {
			/* +1.8V voltage with ±4% tolerance */
			regulator-min-microvolt = <1750000>;
			regulator-max-microvolt = <1870000>;
			regulator-boot-on;
			regulator-always-on;
		};

		ldo2_reg: regulator@4 {
			/* +3.3V voltage with ±4% tolerance */
			regulator-min-microvolt = <3175000>;
			regulator-max-microvolt = <3430000>;
			regulator-boot-on;
			regulator-always-on;
		};

		ldo3_reg: regulator@5 {
			/* +1.8V voltage with ±4% tolerance */
			regulator-min-microvolt = <1750000>;
			regulator-max-microvolt = <1870000>;
			regulator-boot-on;
			regulator-always-on;
		};

		ldo4_reg: regulator@6 {
			/* +3.3V voltage with ±4% tolerance */
			regulator-min-microvolt = <3175000>;
			regulator-max-microvolt = <3430000>;
			regulator-boot-on;
			regulator-always-on;
		};
	};
};