linux/arch/arm/boot/dts/am335x-phycore-som.dtsi

/*
 * Copyright (C) 2015 Phytec Messtechnik GmbH
 * Author: Teresa Remmet <t.remmet@phytec.de>
 *
 * 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.
 */

#include "am33xx.dtsi"
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "Phytec AM335x phyCORE";
	compatible = "phytec,am335x-phycore-som", "ti,am33xx";

	aliases {
		rtc0 = &i2c_rtc;
		rtc1 = &rtc;
	};

	cpus {
		cpu@0 {
			cpu0-supply = <&vdd1_reg>;
		};
	};

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

	regulators {
		compatible = "simple-bus";

		vcc5v: fixedregulator0 {
			compatible = "regulator-fixed";
			regulator-name = "vcc5v";
			regulator-min-microvolt = <5000000>;
			regulator-max-microvolt = <5000000>;
			regulator-boot-on;
			regulator-always-on;
		};
	};
};

/* Crypto Module */
&aes {
	status = "okay";
};

&sham {
	status = "okay";
};

/* Ethernet */
&am33xx_pinmux {
	ethernet0_pins: pinmux_ethernet0 {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_crs.rmii1_crs_dv */
			AM33XX_IOPAD(0x910, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_rxerr.rmii1_rxerr */
			AM33XX_IOPAD(0x914, PIN_OUTPUT | MUX_MODE1)		/* mii1_txen.rmii1_txen */
			AM33XX_IOPAD(0x924, PIN_OUTPUT | MUX_MODE1)		/* mii1_txd1.rmii1_txd1 */
			AM33XX_IOPAD(0x928, PIN_OUTPUT | MUX_MODE1)		/* mii1_txd0.rmii1_txd0 */
			AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_rxd1.rmii1_rxd1 */
			AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_rxd0.rmii1_rxd0 */
			AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* rmii1_refclk.rmii1_refclk */
		>;
	};

	mdio_pins: pinmux_mdio {
		pinctrl-single,pins = <
			/* MDIO */
			AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)	/* mdio_data.mdio_data */
			AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)			/* mdio_clk.mdio_clk */
		>;
	};
};

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

&davinci_mdio {
	pinctrl-names = "default";
	pinctrl-0 = <&mdio_pins>;
	status = "okay";
};

&mac {
	slaves = <1>;
	pinctrl-names = "default";
	pinctrl-0 = <&ethernet0_pins>;
	status = "okay";
};

&phy_sel {
	rmii-clock-ext;
};

/* I2C Busses */
&am33xx_pinmux {
	i2c0_pins: pinmux_i2c0 {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x988, PIN_INPUT | MUX_MODE0)	/* i2c0_sda.i2c0_sda */
			AM33XX_IOPAD(0x98c, PIN_INPUT | 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 = "atmel,24c32";
		pagesize = <32>;
		reg = <0x52>;
		status = "disabled";
	};

	i2c_rtc: rtc@68 {
		compatible = "rv4162";
		reg = <0x68>;
		status = "disabled";
	};
};

/* NAND memory */
&am33xx_pinmux {
		nandflash_pins: pinmux_nandflash {
			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(0x870, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_wait0.gpmc_wait0 */
			AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)		/* gpmc_csn0.gpmc_csn0 */
			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_be0n_cle.gpmc_be0n_cle */
		>;
	};
};

&elm {
	status = "okay";
};

&gpmc {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&nandflash_pins>;
	ranges = <0 0 0x08000000 0x1000000>;   /* CS0: NAND */
	nandflash: nand@0,0 {
		compatible = "ti,omap2-nand";
		reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
		interrupt-parent = <&gpmc>;
		interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
			     <1 IRQ_TYPE_NONE>;	/* termcount */
		rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
		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,bus-turnaround-ns = <0>;
		gpmc,cycle2cycle-delay-ns = <50>;
		gpmc,cycle2cycle-diffcsen;
		gpmc,clk-activation-ns = <0>;
		gpmc,wr-access-ns = <30>;
		gpmc,wr-data-mux-bus-ns = <0>;

		ti,elm-id = <&elm>;

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

		partition@0 {
			label = "xload";
			reg = <0x0 0x20000>;
		};
		partition@1 {
			label = "xload_backup1";
			reg = <0x20000 0x20000>;
		};
		partition@2 {
			label = "xload_backup2";
			reg = <0x40000 0x20000>;
		};
		partition@3 {
			label = "xload_backup3";
			reg = <0x60000 0x20000>;
		};
		partition@4 {
			label = "barebox";
			reg = <0x80000 0x80000>;
		};
		partition@5 {
			label = "bareboxenv";
			reg = <0x100000 0x40000>;
		};
		partition@6 {
			label = "oftree";
			reg = <0x140000 0x40000>;
		};
		partition@7 {
			label = "kernel";
			reg = <0x180000 0x800000>;
		};
		partition@8 {
			label = "root";
			reg = <0x980000 0x0>;
		};
	};
};

/* Power */
#include "tps65910.dtsi"

&tps {
	vcc1-supply = <&vcc5v>;
	vcc2-supply = <&vcc5v>;
	vcc3-supply = <&vcc5v>;
	vcc4-supply = <&vcc5v>;
	vcc5-supply = <&vcc5v>;
	vcc6-supply = <&vcc5v>;
	vcc7-supply = <&vcc5v>;
	vccio-supply = <&vcc5v>;

	regulators {
		vrtc_reg: regulator@0 {
			regulator-always-on;
		};

		vio_reg: regulator@1 {
			regulator-always-on;
		};

		vdd1_reg: regulator@2 {
			/* VDD_MPU voltage limits 0.95V - 1.325V with +/-4% tolerance */
			regulator-name = "vdd_mpu";
			regulator-min-microvolt = <912500>;
			regulator-max-microvolt = <1378000>;
			regulator-boot-on;
			regulator-always-on;
		};

		vdd2_reg: regulator@3 {
			/* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
			regulator-name = "vdd_core";
			regulator-min-microvolt = <912500>;
			regulator-max-microvolt = <1150000>;
			regulator-boot-on;
			regulator-always-on;
		};

		vdd3_reg: regulator@4 {
			regulator-always-on;
		};

		vdig1_reg: regulator@5 {
			regulator-name = "vdig1_1p8v";
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <1800000>;
		};

		vdig2_reg: regulator@6 {
			regulator-always-on;
		};

		vpll_reg: regulator@7 {
			regulator-always-on;
		};

		vdac_reg: regulator@8 {
			regulator-always-on;
		};

		vaux1_reg: regulator@9 {
			regulator-always-on;
		};

		vaux2_reg: regulator@10 {
			regulator-always-on;
		};

		vaux33_reg: regulator@11 {
			regulator-always-on;
		};

		vmmc_reg: regulator@12 {
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			regulator-always-on;
		};
	};
};

/* SPI Busses */
&am33xx_pinmux {
	spi0_pins: pinmux_spi0 {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x950, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* spi0_clk.spi0_clk */
			AM33XX_IOPAD(0x954, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* spi0_d0.spi0_d0 */
			AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0)	/* spi0_d1.spi0_d1 */
			AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE0)	/* spi0_cs0.spi0_cs0 */
		>;
	};
};

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

	serial_flash: m25p80@0 {
		compatible = "jedec,spi-nor";
		spi-max-frequency = <48000000>;
		reg = <0x0>;
		m25p,fast-read;
		status = "disabled";
		#address-cells = <1>;
		#size-cells = <1>;

		partition@0 {
			label = "xload";
			reg = <0x0 0x20000>;
		};
		partition@1 {
			label = "barebox";
			reg = <0x20000 0x80000>;
		};
		partition@2 {
			label = "bareboxenv";
			reg = <0xa0000 0x20000>;
		};
		partition@3 {
			label = "oftree";
			reg = <0xc0000 0x20000>;
		};
		partition@4 {
			label = "kernel";
			reg = <0xe0000 0x0>;
		};
	};
};