diff options
Diffstat (limited to 'arch/arm/boot/dts/broadcom/bcm283x.dtsi')
-rw-r--r-- | arch/arm/boot/dts/broadcom/bcm283x.dtsi | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/broadcom/bcm283x.dtsi b/arch/arm/boot/dts/broadcom/bcm283x.dtsi new file mode 100644 index 0000000000..2ca8a2505a --- /dev/null +++ b/arch/arm/boot/dts/broadcom/bcm283x.dtsi @@ -0,0 +1,501 @@ +#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>; + }; +}; |