path: root/arch/arm/boot/dts/bcm283x.dtsi

#include <dt-bindings/pinctrl/bcm2835.h>
#include <dt-bindings/clock/bcm2835.h>
#include <dt-bindings/clock/bcm2835-aux.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>

/* firmware-provided startup stubs live here, where the secondary CPUs are
 * spinning.
 */
/memreserve/ 0x00000000 0x00001000;

/* This include file covers the common peripherals and configuration between
 * bcm2835 and bcm2836 implementations, leaving the CPU configuration to
 * bcm2835.dtsi and bcm2836.dtsi.
 */

/ {
	compatible = "brcm,bcm2835";
	model = "BCM2835";
	interrupt-parent = <&intc>;
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	thermal-zones {
		cpu_thermal: cpu-thermal {
			polling-delay-passive = <0>;
			polling-delay = <1000>;

			thermal-sensors = <&thermal>;

			trips {
				cpu-crit {
					temperature	= <80000>;
					hysteresis	= <0>;
					type		= "critical";
				};
			};

			cooling-maps {
			};
		};
	};

	soc {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;

		timer@7e003000 {
			compatible = "brcm,bcm2835-system-timer";
			reg = <0x7e003000 0x1000>;
			interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
			/* This could be a reference to BCM2835_CLOCK_TIMER,
			 * but we don't have the driver using the common clock
			 * support yet.
			 */
			clock-frequency = <1000000>;
		};

		dma: dma@7e007000 {
			compatible = "brcm,bcm2835-dma";
			reg = <0x7e007000 0xf00>;
			interrupts = <1 16>,
				     <1 17>,
				     <1 18>,
				     <1 19>,
				     <1 20>,
				     <1 21>,
				     <1 22>,
				     <1 23>,
				     <1 24>,
				     <1 25>,
				     <1 26>,
				     /* dma channel 11-14 share one irq */
				     <1 27>,
				     <1 27>,
				     <1 27>,
				     <1 27>,
				     /* unused shared irq for all channels */
				     <1 28>;
			interrupt-names = "dma0",
					  "dma1",
					  "dma2",
					  "dma3",
					  "dma4",
					  "dma5",
					  "dma6",
					  "dma7",
					  "dma8",
					  "dma9",
					  "dma10",
					  "dma11",
					  "dma12",
					  "dma13",
					  "dma14",
					  "dma-shared-all";
			#dma-cells = <1>;
			brcm,dma-channel-mask = <0x7f35>;
		};

		intc: interrupt-controller@7e00b200 {
			compatible = "brcm,bcm2835-armctrl-ic";
			reg = <0x7e00b200 0x200>;
			interrupt-controller;
			#interrupt-cells = <2>;
		};

		watchdog@7e100000 {
			compatible = "brcm,bcm2835-pm-wdt";
			reg = <0x7e100000 0x28>;
		};

		clocks: cprman@7e101000 {
			compatible = "brcm,bcm2835-cprman";
			#clock-cells = <1>;
			reg = <0x7e101000 0x2000>;

			/* CPRMAN derives almost everything from the
			 * platform's oscillator.  However, the DSI
			 * pixel clocks come from the DSI analog PHY.
			 */
			clocks = <&clk_osc>,
				<&dsi0 0>, <&dsi0 1>, <&dsi0 2>,
				<&dsi1 0>, <&dsi1 1>, <&dsi1 2>;
		};

		rng@7e104000 {
			compatible = "brcm,bcm2835-rng";
			reg = <0x7e104000 0x10>;
		};

		mailbox: mailbox@7e00b880 {
			compatible = "brcm,bcm2835-mbox";
			reg = <0x7e00b880 0x40>;
			interrupts = <0 1>;
			#mbox-cells = <0>;
		};

		gpio: gpio@7e200000 {
			compatible = "brcm,bcm2835-gpio";
			reg = <0x7e200000 0xb4>;
			/*
			 * The GPIO IP block is designed for 3 banks of GPIOs.
			 * Each bank has a GPIO interrupt for itself.
			 * There is an overall "any bank" interrupt.
			 * In order, these are GIC interrupts 17, 18, 19, 20.
			 * Since the BCM2835 only has 2 banks, the 2nd bank
			 * interrupt output appears to be mirrored onto the
			 * 3rd bank's interrupt signal.
			 * So, a bank0 interrupt shows up on 17, 20, and
			 * a bank1 interrupt shows up on 18, 19, 20!
			 */
			interrupts = <2 17>, <2 18>, <2 19>, <2 20>;

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

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

			/* Defines pin muxing groups according to
			 * BCM2835-ARM-Peripherals.pdf page 102.
			 *
			 * While each pin can have its mux selected
			 * for various functions individually, some
			 * groups only make sense to switch to a
			 * particular function together.
			 */
			dpi_gpio0: dpi_gpio0 {
				brcm,pins = <0 1 2 3 4 5 6 7 8 9 10 11
					     12 13 14 15 16 17 18 19
					     20 21 22 23 24 25 26 27>;
				brcm,function = <BCM2835_FSEL_ALT2>;
			};
			emmc_gpio22: emmc_gpio22 {
				brcm,pins = <22 23 24 25 26 27>;
				brcm,function = <BCM2835_FSEL_ALT3>;
			};
			emmc_gpio34: emmc_gpio34 {
				brcm,pins = <34 35 36 37 38 39>;
				brcm,function = <BCM2835_FSEL_ALT3>;
				brcm,pull = <BCM2835_PUD_OFF
					     BCM2835_PUD_UP
					     BCM2835_PUD_UP
					     BCM2835_PUD_UP
					     BCM2835_PUD_UP
					     BCM2835_PUD_UP>;
			};
			emmc_gpio48: emmc_gpio48 {
				brcm,pins = <48 49 50 51 52 53>;
				brcm,function = <BCM2835_FSEL_ALT3>;
			};

			gpclk0_gpio4: gpclk0_gpio4 {
				brcm,pins = <4>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			gpclk1_gpio5: gpclk1_gpio5 {
				brcm,pins = <5>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			gpclk1_gpio42: gpclk1_gpio42 {
				brcm,pins = <42>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			gpclk1_gpio44: gpclk1_gpio44 {
				brcm,pins = <44>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			gpclk2_gpio6: gpclk2_gpio6 {
				brcm,pins = <6>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			gpclk2_gpio43: gpclk2_gpio43 {
				brcm,pins = <43>;
				brcm,function = <BCM2835_FSEL_ALT0>;
				brcm,pull = <BCM2835_PUD_OFF>;
			};

			i2c0_gpio0: i2c0_gpio0 {
				brcm,pins = <0 1>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			i2c0_gpio28: i2c0_gpio28 {
				brcm,pins = <28 29>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			i2c0_gpio44: i2c0_gpio44 {
				brcm,pins = <44 45>;
				brcm,function = <BCM2835_FSEL_ALT1>;
			};
			i2c1_gpio2: i2c1_gpio2 {
				brcm,pins = <2 3>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			i2c1_gpio44: i2c1_gpio44 {
				brcm,pins = <44 45>;
				brcm,function = <BCM2835_FSEL_ALT2>;
			};
			i2c_slave_gpio18: i2c_slave_gpio18 {
				brcm,pins = <18 19 20 21>;
				brcm,function = <BCM2835_FSEL_ALT3>;
			};

			jtag_gpio4: jtag_gpio4 {
				brcm,pins = <4 5 6 12 13>;
				brcm,function = <BCM2835_FSEL_ALT5>;
			};
			jtag_gpio22: jtag_gpio22 {
				brcm,pins = <22 23 24 25 26 27>;
				brcm,function = <BCM2835_FSEL_ALT4>;
			};

			pcm_gpio18: pcm_gpio18 {
				brcm,pins = <18 19 20 21>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			pcm_gpio28: pcm_gpio28 {
				brcm,pins = <28 29 30 31>;
				brcm,function = <BCM2835_FSEL_ALT2>;
			};

			pwm0_gpio12: pwm0_gpio12 {
				brcm,pins = <12>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			pwm0_gpio18: pwm0_gpio18 {
				brcm,pins = <18>;
				brcm,function = <BCM2835_FSEL_ALT5>;
			};
			pwm0_gpio40: pwm0_gpio40 {
				brcm,pins = <40>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			pwm1_gpio13: pwm1_gpio13 {
				brcm,pins = <13>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			pwm1_gpio19: pwm1_gpio19 {
				brcm,pins = <19>;
				brcm,function = <BCM2835_FSEL_ALT5>;
			};
			pwm1_gpio41: pwm1_gpio41 {
				brcm,pins = <41>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			pwm1_gpio45: pwm1_gpio45 {
				brcm,pins = <45>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};

			sdhost_gpio48: sdhost_gpio48 {
				brcm,pins = <48 49 50 51 52 53>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};

			spi0_gpio7: spi0_gpio7 {
				brcm,pins = <7 8 9 10 11>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			spi0_gpio35: spi0_gpio35 {
				brcm,pins = <35 36 37 38 39>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			spi1_gpio16: spi1_gpio16 {
				brcm,pins = <16 17 18 19 20 21>;
				brcm,function = <BCM2835_FSEL_ALT4>;
			};
			spi2_gpio40: spi2_gpio40 {
				brcm,pins = <40 41 42 43 44 45>;
				brcm,function = <BCM2835_FSEL_ALT4>;
			};

			uart0_gpio14: uart0_gpio14 {
				brcm,pins = <14 15>;
				brcm,function = <BCM2835_FSEL_ALT0>;
			};
			/* Separate from the uart0_gpio14 group
			 * because it conflicts with spi1_gpio16, and
			 * people often run uart0 on the two pins
			 * without flow control.
			 */
			uart0_ctsrts_gpio16: uart0_ctsrts_gpio16 {
				brcm,pins = <16 17>;
				brcm,function = <BCM2835_FSEL_ALT3>;
			};
			uart0_ctsrts_gpio30: uart0_ctsrts_gpio30 {
				brcm,pins = <30 31>;
				brcm,function = <BCM2835_FSEL_ALT3>;
				brcm,pull = <BCM2835_PUD_UP BCM2835_PUD_OFF>;
			};
			uart0_gpio32: uart0_gpio32 {
				brcm,pins = <32 33>;
				brcm,function = <BCM2835_FSEL_ALT3>;
				brcm,pull = <BCM2835_PUD_OFF BCM2835_PUD_UP>;
			};
			uart0_gpio36: uart0_gpio36 {
				brcm,pins = <36 37>;
				brcm,function = <BCM2835_FSEL_ALT2>;
			};
			uart0_ctsrts_gpio38: uart0_ctsrts_gpio38 {
				brcm,pins = <38 39>;
				brcm,function = <BCM2835_FSEL_ALT2>;
			};

			uart1_gpio14: uart1_gpio14 {
				brcm,pins = <14 15>;
				brcm,function = <BCM2835_FSEL_ALT5>;
			};
			uart1_ctsrts_gpio16: uart1_ctsrts_gpio16 {
				brcm,pins = <16 17>;
				brcm,function = <BCM2835_FSEL_ALT5>;
			};
			uart1_gpio32: uart1_gpio32 {
				brcm,pins = <32 33>;
				brcm,function = <BCM2835_FSEL_ALT5>;
			};
			uart1_ctsrts_gpio30: uart1_ctsrts_gpio30 {
				brcm,pins = <30 31>;
				brcm,function = <BCM2835_FSEL_ALT5>;
			};
			uart1_gpio40: uart1_gpio40 {
				brcm,pins = <40 41>;
				brcm,function = <BCM2835_FSEL_ALT5>;
			};
			uart1_ctsrts_gpio42: uart1_ctsrts_gpio42 {
				brcm,pins = <42 43>;
				brcm,function = <BCM2835_FSEL_ALT5>;
			};
		};

		uart0: serial@7e201000 {
			compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
			reg = <0x7e201000 0x1000>;
			interrupts = <2 25>;
			clocks = <&clocks BCM2835_CLOCK_UART>,
				 <&clocks BCM2835_CLOCK_VPU>;
			clock-names = "uartclk", "apb_pclk";
			arm,primecell-periphid = <0x00241011>;
		};

		sdhost: mmc@7e202000 {
			compatible = "brcm,bcm2835-sdhost";
			reg = <0x7e202000 0x100>;
			interrupts = <2 24>;
			clocks = <&clocks BCM2835_CLOCK_VPU>;
			dmas = <&dma 13>;
			dma-names = "rx-tx";
			status = "disabled";
		};

		i2s: i2s@7e203000 {
			compatible = "brcm,bcm2835-i2s";
			reg = <0x7e203000 0x24>;
			clocks = <&clocks BCM2835_CLOCK_PCM>;

			dmas = <&dma 2>,
			       <&dma 3>;
			dma-names = "tx", "rx";
			status = "disabled";
		};

		spi: spi@7e204000 {
			compatible = "brcm,bcm2835-spi";
			reg = <0x7e204000 0x1000>;
			interrupts = <2 22>;
			clocks = <&clocks BCM2835_CLOCK_VPU>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		i2c0: i2c@7e205000 {
			compatible = "brcm,bcm2835-i2c";
			reg = <0x7e205000 0x1000>;
			interrupts = <2 21>;
			clocks = <&clocks BCM2835_CLOCK_VPU>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		pixelvalve@7e206000 {
			compatible = "brcm,bcm2835-pixelvalve0";
			reg = <0x7e206000 0x100>;
			interrupts = <2 13>; /* pwa0 */
		};

		pixelvalve@7e207000 {
			compatible = "brcm,bcm2835-pixelvalve1";
			reg = <0x7e207000 0x100>;
			interrupts = <2 14>; /* pwa1 */
		};

		dpi: dpi@7e208000 {
			compatible = "brcm,bcm2835-dpi";
			reg = <0x7e208000 0x8c>;
			clocks = <&clocks BCM2835_CLOCK_VPU>,
				 <&clocks BCM2835_CLOCK_DPI>;
			clock-names = "core", "pixel";
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		dsi0: dsi@7e209000 {
			compatible = "brcm,bcm2835-dsi0";
			reg = <0x7e209000 0x78>;
			interrupts = <2 4>;
			#address-cells = <1>;
			#size-cells = <0>;
			#clock-cells = <1>;

			clocks = <&clocks BCM2835_PLLA_DSI0>,
				 <&clocks BCM2835_CLOCK_DSI0E>,
				 <&clocks BCM2835_CLOCK_DSI0P>;
			clock-names = "phy", "escape", "pixel";

			clock-output-names = "dsi0_byte",
					     "dsi0_ddr2",
					     "dsi0_ddr";

		};

		thermal: thermal@7e212000 {
			compatible = "brcm,bcm2835-thermal";
			reg = <0x7e212000 0x8>;
			clocks = <&clocks BCM2835_CLOCK_TSENS>;
			#thermal-sensor-cells = <0>;
			status = "disabled";
		};

		aux: aux@7e215000 {
			compatible = "brcm,bcm2835-aux";
			#clock-cells = <1>;
			reg = <0x7e215000 0x8>;
			clocks = <&clocks BCM2835_CLOCK_VPU>;
		};

		uart1: serial@7e215040 {
			compatible = "brcm,bcm2835-aux-uart";
			reg = <0x7e215040 0x40>;
			interrupts = <1 29>;
			clocks = <&aux BCM2835_AUX_CLOCK_UART>;
			status = "disabled";
		};

		spi1: spi@7e215080 {
			compatible = "brcm,bcm2835-aux-spi";
			reg = <0x7e215080 0x40>;
			interrupts = <1 29>;
			clocks = <&aux BCM2835_AUX_CLOCK_SPI1>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		spi2: spi@7e2150c0 {
			compatible = "brcm,bcm2835-aux-spi";
			reg = <0x7e2150c0 0x40>;
			interrupts = <1 29>;
			clocks = <&aux BCM2835_AUX_CLOCK_SPI2>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		pwm: pwm@7e20c000 {
			compatible = "brcm,bcm2835-pwm";
			reg = <0x7e20c000 0x28>;
			clocks = <&clocks BCM2835_CLOCK_PWM>;
			assigned-clocks = <&clocks BCM2835_CLOCK_PWM>;
			assigned-clock-rates = <10000000>;
			#pwm-cells = <2>;
			status = "disabled";
		};

		sdhci: sdhci@7e300000 {
			compatible = "brcm,bcm2835-sdhci";
			reg = <0x7e300000 0x100>;
			interrupts = <2 30>;
			clocks = <&clocks BCM2835_CLOCK_EMMC>;
			status = "disabled";
		};

		hvs@7e400000 {
			compatible = "brcm,bcm2835-hvs";
			reg = <0x7e400000 0x6000>;
			interrupts = <2 1>;
		};

		dsi1: dsi@7e700000 {
			compatible = "brcm,bcm2835-dsi1";
			reg = <0x7e700000 0x8c>;
			interrupts = <2 12>;
			#address-cells = <1>;
			#size-cells = <0>;
			#clock-cells = <1>;

			clocks = <&clocks BCM2835_PLLD_DSI1>,
				 <&clocks BCM2835_CLOCK_DSI1E>,
				 <&clocks BCM2835_CLOCK_DSI1P>;
			clock-names = "phy", "escape", "pixel";

			clock-output-names = "dsi1_byte",
					     "dsi1_ddr2",
					     "dsi1_ddr";

			status = "disabled";
		};

		i2c1: i2c@7e804000 {
			compatible = "brcm,bcm2835-i2c";
			reg = <0x7e804000 0x1000>;
			interrupts = <2 21>;
			clocks = <&clocks BCM2835_CLOCK_VPU>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		i2c2: i2c@7e805000 {
			compatible = "brcm,bcm2835-i2c";
			reg = <0x7e805000 0x1000>;
			interrupts = <2 21>;
			clocks = <&clocks BCM2835_CLOCK_VPU>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		vec: vec@7e806000 {
			compatible = "brcm,bcm2835-vec";
			reg = <0x7e806000 0x1000>;
			clocks = <&clocks BCM2835_CLOCK_VEC>;
			interrupts = <2 27>;
			status = "disabled";
		};

		pixelvalve@7e807000 {
			compatible = "brcm,bcm2835-pixelvalve2";
			reg = <0x7e807000 0x100>;
			interrupts = <2 10>; /* pixelvalve */
		};

		hdmi: hdmi@7e902000 {
			compatible = "brcm,bcm2835-hdmi";
			reg = <0x7e902000 0x600>,
			      <0x7e808000 0x100>;
			interrupts = <2 8>, <2 9>;
			ddc = <&i2c2>;
			clocks = <&clocks BCM2835_PLLH_PIX>,
				 <&clocks BCM2835_CLOCK_HSM>;
			clock-names = "pixel", "hdmi";
			dmas = <&dma 17>;
			dma-names = "audio-rx";
			status = "disabled";
		};

		usb: usb@7e980000 {
			compatible = "brcm,bcm2835-usb";
			reg = <0x7e980000 0x10000>;
			interrupts = <1 9>;
			#address-cells = <1>;
			#size-cells = <0>;
			clocks = <&clk_usb>;
			clock-names = "otg";
			phys = <&usbphy>;
			phy-names = "usb2-phy";
		};

		v3d: v3d@7ec00000 {
			compatible = "brcm,bcm2835-v3d";
			reg = <0x7ec00000 0x1000>;
			interrupts = <1 10>;
		};

		vc4: gpu {
			compatible = "brcm,bcm2835-vc4";
		};
	};

	clocks {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <0>;

		/* The oscillator is the root of the clock tree. */
		clk_osc: clock@3 {
			compatible = "fixed-clock";
			reg = <3>;
			#clock-cells = <0>;
			clock-output-names = "osc";
			clock-frequency = <19200000>;
		};

		clk_usb: clock@4 {
			compatible = "fixed-clock";
			reg = <4>;
			#clock-cells = <0>;
			clock-output-names = "otg";
			clock-frequency = <480000000>;
		};
	};

	usbphy: phy {
		compatible = "usb-nop-xceiv";
		#phy-cells = <0>;
	};
};