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#include <dt-bindings/pinctrl/bcm2835.h>
#include <dt-bindings/clock/bcm2835.h>
#include "skeleton.dtsi"
/* 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>;
chosen {
bootargs = "earlyprintk console=ttyAMA0";
};
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>,
<1 27>,
<1 28>;
#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 everything from the platform's
* oscillator.
*/
clocks = <&clk_osc>;
};
rng@7e104000 {
compatible = "brcm,bcm2835-rng";
reg = <0x7e104000 0x10>;
};
mailbox: mailbox@7e00b800 {
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>;
};
uart0: uart@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>;
};
i2s: i2s@7e203000 {
compatible = "brcm,bcm2835-i2s";
reg = <0x7e203000 0x20>,
<0x7e101098 0x02>;
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";
};
sdhci: sdhci@7e300000 {
compatible = "brcm,bcm2835-sdhci";
reg = <0x7e300000 0x100>;
interrupts = <2 30>;
clocks = <&clocks BCM2835_CLOCK_EMMC>;
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";
};
usb@7e980000 {
compatible = "brcm,bcm2835-usb";
reg = <0x7e980000 0x10000>;
interrupts = <1 9>;
};
};
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>;
};
};
};
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