linux-vybrid_public/arch/arm/boot/dts/am33xx.dtsi

/*
 * Device Tree Source for AM33XX SoC
 *
 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2.  This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

/include/ "skeleton.dtsi"

/ {
	compatible = "ti,am33xx";

	aliases {
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
		serial3 = &uart4;
		serial4 = &uart5;
		serial5 = &uart6;
	};

	cpus {
		cpu@0 {
			compatible = "arm,cortex-a8";

			/*
			 * To consider voltage drop between PMIC and SoC,
			 * tolerance value is reduced to 2% from 4% and
			 * voltage value is increased as a precaution.
			 */
			operating-points = <
				/* kHz    uV */
				720000  1285000
				600000  1225000
				500000  1125000
				275000  1125000
			>;
			voltage-tolerance = <2>; /* 2 percentage */
			clock-latency = <300000>; /* From omap-cpufreq driver */
		};
	};

	/*
	 * The soc node represents the soc top level view. It is uses for IPs
	 * that are not memory mapped in the MPU view or for the MPU itself.
	 */
	soc {
		compatible = "ti,omap-infra";
		mpu {
			compatible = "ti,omap3-mpu";
			ti,hwmods = "mpu";
		};
	};

	/*
	 * XXX: Use a flat representation of the AM33XX interconnect.
	 * The real AM33XX interconnect network is quite complex.Since
	 * that will not bring real advantage to represent that in DT
	 * for the moment, just use a fake OCP bus entry to represent
	 * the whole bus hierarchy.
	 */
	ocp {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;
		ti,hwmods = "l3_main";

		intc: interrupt-controller@48200000 {
			compatible = "ti,omap2-intc";
			interrupt-controller;
			#interrupt-cells = <1>;
			ti,intc-size = <128>;
			reg = <0x48200000 0x1000>;
		};

		gpio1: gpio@44e07000 {
			compatible = "ti,omap4-gpio";
			ti,hwmods = "gpio1";
			gpio-controller;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <1>;
			reg = <0x44e07000 0x1000>;
			interrupt-parent = <&intc>;
			interrupts = <96>;
		};

		gpio2: gpio@4804c000 {
			compatible = "ti,omap4-gpio";
			ti,hwmods = "gpio2";
			gpio-controller;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <1>;
			reg = <0x4804c000 0x1000>;
			interrupt-parent = <&intc>;
			interrupts = <98>;
		};

		gpio3: gpio@481ac000 {
			compatible = "ti,omap4-gpio";
			ti,hwmods = "gpio3";
			gpio-controller;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <1>;
			reg = <0x481ac000 0x1000>;
			interrupt-parent = <&intc>;
			interrupts = <32>;
		};

		gpio4: gpio@481ae000 {
			compatible = "ti,omap4-gpio";
			ti,hwmods = "gpio4";
			gpio-controller;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <1>;
			reg = <0x481ae000 0x1000>;
			interrupt-parent = <&intc>;
			interrupts = <62>;
		};

		uart1: serial@44e09000 {
			compatible = "ti,omap3-uart";
			ti,hwmods = "uart1";
			clock-frequency = <48000000>;
			reg = <0x44e09000 0x2000>;
			interrupt-parent = <&intc>;
			interrupts = <72>;
			status = "disabled";
		};

		uart2: serial@48022000 {
			compatible = "ti,omap3-uart";
			ti,hwmods = "uart2";
			clock-frequency = <48000000>;
			reg = <0x48022000 0x2000>;
			interrupt-parent = <&intc>;
			interrupts = <73>;
			status = "disabled";
		};

		uart3: serial@48024000 {
			compatible = "ti,omap3-uart";
			ti,hwmods = "uart3";
			clock-frequency = <48000000>;
			reg = <0x48024000 0x2000>;
			interrupt-parent = <&intc>;
			interrupts = <74>;
			status = "disabled";
		};

		uart4: serial@481a6000 {
			compatible = "ti,omap3-uart";
			ti,hwmods = "uart4";
			clock-frequency = <48000000>;
			reg = <0x481a6000 0x2000>;
			interrupt-parent = <&intc>;
			interrupts = <44>;
			status = "disabled";
		};

		uart5: serial@481a8000 {
			compatible = "ti,omap3-uart";
			ti,hwmods = "uart5";
			clock-frequency = <48000000>;
			reg = <0x481a8000 0x2000>;
			interrupt-parent = <&intc>;
			interrupts = <45>;
			status = "disabled";
		};

		uart6: serial@481aa000 {
			compatible = "ti,omap3-uart";
			ti,hwmods = "uart6";
			clock-frequency = <48000000>;
			reg = <0x481aa000 0x2000>;
			interrupt-parent = <&intc>;
			interrupts = <46>;
			status = "disabled";
		};

		i2c1: i2c@44e0b000 {
			compatible = "ti,omap4-i2c";
			#address-cells = <1>;
			#size-cells = <0>;
			ti,hwmods = "i2c1";
			reg = <0x44e0b000 0x1000>;
			interrupt-parent = <&intc>;
			interrupts = <70>;
			status = "disabled";
		};

		i2c2: i2c@4802a000 {
			compatible = "ti,omap4-i2c";
			#address-cells = <1>;
			#size-cells = <0>;
			ti,hwmods = "i2c2";
			reg = <0x4802a000 0x1000>;
			interrupt-parent = <&intc>;
			interrupts = <71>;
			status = "disabled";
		};

		i2c3: i2c@4819c000 {
			compatible = "ti,omap4-i2c";
			#address-cells = <1>;
			#size-cells = <0>;
			ti,hwmods = "i2c3";
			reg = <0x4819c000 0x1000>;
			interrupt-parent = <&intc>;
			interrupts = <30>;
			status = "disabled";
		};

		wdt2: wdt@44e35000 {
			compatible = "ti,omap3-wdt";
			ti,hwmods = "wd_timer2";
			reg = <0x44e35000 0x1000>;
			interrupt-parent = <&intc>;
			interrupts = <91>;
		};
	};
};