path: root/sys/boot/fdt/dts/bcm2835.dtsi

/*
 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@bluezbox.com>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */

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

	cpus {
		cpu@0 {
			compatible = "arm,1176jzf-s";
		};
	};


	SOC: axi {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		reg = <0x20000000 0x01000000>;
		ranges = <0 0x20000000 0x01000000>;

		intc: interrupt-controller {
			compatible = "broadcom,bcm2835-armctrl-ic",
				     "broadcom,bcm2708-armctrl-ic";
			reg = <0xB200 0x200>;

			interrupt-controller;
			#interrupt-cells = <1>;

			/* Bank 0
			 * 0: ARM_TIMER
			 * 1: ARM_MAILBOX
			 * 2: ARM_DOORBELL_0
			 * 3: ARM_DOORBELL_1
			 * 4: VPU0_HALTED
			 * 5: VPU1_HALTED
			 * 6: ILLEGAL_TYPE0
			 * 7: ILLEGAL_TYPE1
			 */

			/* Bank 1
			 * 0: TIMER0		16: DMA0
			 * 1: TIMER1		17: DMA1
			 * 2: TIMER2		18: VC_DMA2
			 * 3: TIMER3		19: VC_DMA3
			 * 4: CODEC0		20: DMA4
			 * 5: CODEC1		21: DMA5
			 * 6: CODEC2		22: DMA6
			 * 7: VC_JPEG		23: DMA7
			 * 8: ISP		24: DMA8
			 * 9: VC_USB		25: DMA9
			 * 10: VC_3D		26: DMA10
			 * 11: TRANSPOSER	27: DMA11
			 * 12: MULTICORESYNC0	28: DMA12
			 * 13: MULTICORESYNC1	29: AUX
			 * 14: MULTICORESYNC2	30: ARM
			 * 15: MULTICORESYNC3	31: VPUDMA
			 */

			/* Bank 2
			 * 0: HOSTPORT		16: SMI
			 * 1: VIDEOSCALER	17: GPIO0
			 * 2: CCP2TX		18: GPIO1
			 * 3: SDC		19: GPIO2
			 * 4: DSI0		20: GPIO3
			 * 5: AVE		21: VC_I2C
			 * 6: CAM0		22: VC_SPI
			 * 7: CAM1		23: VC_I2SPCM
			 * 8: HDMI0		24: VC_SDIO
			 * 9: HDMI1		25: VC_UART
			 * 10: PIXELVALVE1	26: SLIMBUS
			 * 11: I2CSPISLV	27: VEC
			 * 12: DSI1		28: CPG
			 * 13: PWA0		29: RNG
			 * 14: PWA1		30: VC_ARASANSDIO
			 * 15: CPR		31: AVSPMON
			 */
		};

		timer {
			compatible = "broadcom,bcm2835-system-timer", 
				     "broadcom,bcm2708-system-timer";
			reg = <0x3000 0x1000>;
			interrupts = <8 9 10 11>;
			interrupt-parent = <&intc>;

			clock-frequency = <1000000>;
		};

		armtimer {
			/* Not AMBA compatible */
			compatible = "broadcom,bcm2835-sp804", "arm,sp804";
			reg = <0xB400 0x24>;
			interrupts = <0>;
			interrupt-parent = <&intc>;
		};

		watchdog0 {
			compatible = "broadcom,bcm2835-wdt",
				     "broadcom,bcm2708-wdt";
			reg = <0x10001c 0x0c>; /* 0x1c, 0x20, 0x24 */
		};

		gpio: gpio {
			compatible = "broadcom,bcm2835-gpio",
				     "broadcom,bcm2708-gpio";
			reg = <0x200000 0xb0>;

			/* Unusual arrangement of interrupts 
			 * (determined by testing)
			 * 17: Bank 0 (GPIOs  0-31)
			 * 19: Bank 1 (GPIOs 32-53)
			 * 18: Bank 2
			 * 20: All banks (GPIOs 0-53)
			 */
			interrupts = <57 59 58 60>;
			interrupt-parent = <&intc>;

			gpio-controller;
			#gpio-cells = <2>;

			interrupt-controller;
			#interrupt-cells = <1>;

			pinctrl-names = "default";
			pinctrl-0 = <&pins_reserved>;

			/* Pins that can short 3.3V to GND in output mode: 46-47
			 * Pins used by VideoCore: 48-53
			 */
			broadcom,read-only = <46>, <47>, <48>, <49>, <50>, 
			                     <51>, <52>, <53>;

			/* BSC0 */
			pins_bsc0_a: bsc0_a {
				broadcom,pins = <0>, <1>;
			};

			pins_bsc0_b: bsc0_b {
				broadcom,pins = <28>, <29>;
			};

			pins_bsc0_c: bsc0_c {
				broadcom,pins = <44>, <45>;
			};

			/* BSC1 */
			pins_bsc1_a: bsc1_a {
				broadcom,pins = <2>, <3>;
			};

			pins_bsc1_b: bsc1_b {
				broadcom,pins = <44>, <45>;
			};

			/* GPCLK0 */
			pins_gpclk0_a: gpclk0_a {
				broadcom,pins = <4>;
			};

			pins_gpclk0_b: gpclk0_b {
				broadcom,pins = <20>;
			};

			pins_gpclk0_c: gpclk0_c {
				broadcom,pins = <32>;
			};

			pins_gpclk0_d: gpclk0_d {
				broadcom,pins = <34>;
			};

			/* GPCLK1 */
			pins_gpclk1_a: gpclk1_a {
				broadcom,pins = <5>;
			};

			pins_gpclk1_b: gpclk1_b {
				broadcom,pins = <21>;
			};

			pins_gpclk1_c: gpclk1_c {
				broadcom,pins = <42>;
			};

			pins_gpclk1_d: gpclk1_d {
				broadcom,pins = <44>;
			};

			/* GPCLK2 */
			pins_gpclk2_a: gpclk2_a {
				broadcom,pins = <6>;
			};

			pins_gpclk2_b: gpclk2_b {
				broadcom,pins = <43>;
			};

			/* SPI0 */
			pins_spi0_a: spi0_a {
				broadcom,pins = <7>, <8>, <9>, <10>, <11>;
			};

			pins_spi0_b: spi0_b {
				broadcom,pins = <35>, <36>, <37>, <38>, <39>;
			};

			/* PWM */
			pins_pwm0_a: pwm0_a {
				broadcom,pins = <12>;
			};

			pins_pwm0_b: pwm0_b {
				broadcom,pins = <18>;
			};

			pins_pwm0_c: pwm0_c {
				broadcom,pins = <40>;
			};

			pins_pwm1_a: pwm1_a {
				broadcom,pins = <13>;
			};

			pins_pwm1_b: pwm1_b {
				broadcom,pins = <19>;
			};

			pins_pwm1_c: pwm1_c {
				broadcom,pins = <41>;
			};

			pins_pwm1_d: pwm1_d {
				broadcom,pins = <45>;
			};

			/* UART0 */
			pins_uart0_a: uart0_a {
				broadcom,pins = <14>, <15>;
			};

			pins_uart0_b: uart0_b {
				broadcom,pins = <32>, <33>;
			};

			pins_uart0_c: uart0_c {
				broadcom,pins = <36>, <37>;
			};

			pins_uart0_fc_a: uart0_fc_a {
				broadcom,pins = <16>, <17>;
			};

			pins_uart0_fc_b: uart0_fc_b {
				broadcom,pins = <30>, <31>;
			};

			pins_uart0_fc_c: uart0_fc_c {
				broadcom,pins = <39>, <38>;
			};

			/* PCM */
			pins_pcm_a: pcm_a {
				broadcom,pins = <18>, <19>, <20>, <21>;
			};

			pins_pcm_b: pcm_b {
				broadcom,pins = <28>, <29>, <30>, <31>;
			};

			/* Secondary Address Bus */
			pins_sm_addr_a: sm_addr_a {
				broadcom,pins = <5>, <4>, <3>, <2>, <1>, <0>;
			};

			pins_sm_addr_b: sm_addr_b {
				broadcom,pins = <33>, <32>, <31>, <30>, <29>,
				                <28>;
			};

			pins_sm_ctl_a: sm_ctl_a {
				broadcom,pins = <6>, <7>;
			};

			pins_sm_ctl_b: sm_ctl_b {
				broadcom,pins = <34>, <35>;
			};

			pins_sm_data_8bit_a: sm_data_8bit_a {
				broadcom,pins = <8>, <9>, <10>, <11>, <12>,
				                <13>, <14>, <15>;
			};

			pins_sm_data_8bit_b: sm_data_8bit_b {
				broadcom,pins = <36>, <37>, <38>, <39>, <40>,
				                <41>, <42>, <43>;
			};

			pins_sm_data_16bit: sm_data_16bit {
				broadcom,pins = <16>, <17>, <18>, <19>, <20>,
				                <21>, <22>, <23>;
			};

			pins_sm_data_18bit: sm_data_18bit {
				broadcom,pins = <24>, <25>;
			};

			/* BSCSL */
			pins_bscsl: bscsl {
				broadcom,pins = <18>, <19>;
			};

			/* SPISL */
			pins_spisl: spisl {
				broadcom,pins = <18>, <19>, <20>, <21>;
			};

			/* SPI1 */
			pins_spi1: spi1 {
				broadcom,pins = <16>, <17>, <18>, <19>, <20>,
				                <21>;
			};

			/* UART1 */
			pins_uart1_a: uart1_a {
				broadcom,pins = <14>, <15>;
			};

			pins_uart1_b: uart1_b {
				broadcom,pins = <32>, <33>;
			};

			pins_uart1_c: uart1_c {
				broadcom,pins = <40>, <41>;
			};

			pins_uart1_fc_a: uart1_fc_a {
				broadcom,pins = <16>, <17>;
			};

			pins_uart1_fc_b: uart1_fc_b {
				broadcom,pins = <30>, <31>;
			};

			pins_uart1_fc_c: uart1_fc_c {
				broadcom,pins = <43>, <42>;
			};

			/* SPI2 */
			pins_spi2: spi2 {
				broadcom,pins = <40>, <41>, <42>, <43>, <44>,
				                <45>;
			};

			/* ARM JTAG */
			pins_arm_jtag_trst: arm_jtag_trst {
				broadcom,pins = <22>;
			};

			pins_arm_jtag_a: arm_jtag_a {
				broadcom,pins = <4>, <5>, <6>, <12>, <13>;
			};

			pins_arm_jtag_b: arm_jtag_b {
				broadcom,pins = <23>, <24>, <25>, <26>, <27>;
			};

			/* Reserved */
			pins_reserved: reserved {
				broadcom,pins = <48>, <49>, <50>, <51>, <52>,
				                <53>;
			};
		};

		dma: dma {
			compatible = "broadcom,bcm2835-dma", 
				     "broadcom,bcm2708-dma";
			reg = <0x7000 0x1000>, <0xE05000 0x1000>;
			interrupts = <24 25 26 27 28 29 30 31 32 33 34 35 36>;
			interrupt-parent = <&intc>;

			broadcom,channels = <0>;	/* Set by VideoCore */
		};

		vc_mbox: mbox {
			compatible = "broadcom,bcm2835-mbox", 
				     "broadcom,bcm2708-mbox";
			reg = <0xB880 0x40>;
			interrupts = <1>;
			interrupt-parent = <&intc>;

			/* Channels
			 * 0: Power
			 * 1: Frame buffer
			 * 2: Virtual UART
			 * 3: VCHIQ
			 * 4: LEDs
			 * 5: Buttons
			 * 6: Touch screen
			 */
		};

		sdhci {
			compatible = "broadcom,bcm2835-sdhci", 
				     "broadcom,bcm2708-sdhci";
			reg = <0x300000 0x100>;
			interrupts = <70>;
			interrupt-parent = <&intc>;

			clock-frequency = <50000000>;	/* Set by VideoCore */
		};

		uart0: uart0 {
			compatible = "broadcom,bcm2835-uart", 
				     "broadcom,bcm2708-uart", "arm,pl011", 
				     "arm,primecell";
			reg = <0x201000 0x1000>;
			interrupts = <65>;
			interrupt-parent = <&intc>;

			clock-frequency = <3000000>;	/* Set by VideoCore */
			reg-shift = <2>;
		};

		vchiq {
			compatible = "broadcom,bcm2835-vchiq";
			reg = <0xB800 0x50>;
			interrupts = <2>;
			interrupt-parent = <&intc>;
		};

		usb {
			compatible = "broadcom,bcm2835-usb", 
				     "broadcom,bcm2708-usb", 
				     "synopsys,designware-hs-otg2";
			reg = <0x980000 0x20000>;
			interrupts = <17>;
			interrupt-parent = <&intc>;
			#address-cells = <1>;
			#size-cells = <0>;
		};

	};
};