#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> #include <dt-bindings/soc/bcm2835-pm.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"; #address-cells = <1>; #size-cells = <1>; aliases { serial0 = &uart0; serial1 = &uart1; }; chosen { stdout-path = "serial0:115200n8"; }; rmem: reserved-memory { #address-cells = <1>; #size-cells = <1>; ranges; cma: linux,cma { compatible = "shared-dma-pool"; size = <0x4000000>; /* 64MB */ reusable; linux,cma-default; }; }; thermal-zones { cpu_thermal: cpu-thermal { polling-delay-passive = <0>; polling-delay = <1000>; trips { cpu-crit { temperature = <90000>; hysteresis = <0>; type = "critical"; }; }; cooling-maps { }; }; }; soc { compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; system_timer: 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>; }; txp: txp@7e004000 { compatible = "brcm,bcm2835-txp"; reg = <0x7e004000 0x20>; interrupts = <1 11>; }; 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>; }; 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>; gpio-ranges = <&gpio 0 0 54>; /* Defines common pin muxing groups * * 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>; }; 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>; }; 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 = "arm,pl011", "arm,primecell"; reg = <0x7e201000 0x200>; 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>; status = "disabled"; }; i2s: i2s@7e203000 { compatible = "brcm,bcm2835-i2s"; reg = <0x7e203000 0x24>; clocks = <&clocks BCM2835_CLOCK_PCM>; status = "disabled"; }; spi: spi@7e204000 { compatible = "brcm,bcm2835-spi"; reg = <0x7e204000 0x200>; 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 0x200>; interrupts = <2 21>; clocks = <&clocks BCM2835_CLOCK_VPU>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; }; dpi: dpi@7e208000 { compatible = "brcm,bcm2835-dpi"; reg = <0x7e208000 0x8c>; clocks = <&clocks BCM2835_CLOCK_VPU>, <&clocks BCM2835_CLOCK_DPI>; clock-names = "core", "pixel"; 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"; 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 = <3>; status = "disabled"; }; sdhci: mmc@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"; }; 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"; }; }; clocks { /* The oscillator is the root of the clock tree. */ clk_osc: clk-osc { compatible = "fixed-clock"; #clock-cells = <0>; clock-output-names = "osc"; clock-frequency = <19200000>; }; clk_usb: clk-usb { compatible = "fixed-clock"; #clock-cells = <0>; clock-output-names = "otg"; clock-frequency = <480000000>; }; }; usbphy: phy { compatible = "usb-nop-xceiv"; #phy-cells = <0>; }; };