Skip to content

Commit

Permalink
ARM: dts: Add bcm2711-rpi-4-b.dts and components
Browse files Browse the repository at this point in the history 
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
  • Loading branch information
Phil Elwell committed Jun 26, 2019
1 parent abb1bc9 commit 874cafe
Show file tree
Hide file tree
Showing 4 changed files with 1,095 additions and 0 deletions.
1 change: 1 addition & 0 deletions arch/arm/boot/dts/Makefile
View file
Expand Up @@ -8,6 +8,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
bcm2708-rpi-zero-w.dtb \
bcm2709-rpi-2-b.dtb \
bcm2710-rpi-3-b.dtb \
bcm2711-rpi-4-b.dtb \
bcm2710-rpi-3-b-plus.dtb \
bcm2710-rpi-cm3.dtb

Expand Down
320 changes: 320 additions & 0 deletions arch/arm/boot/dts/bcm2711-rpi-4-b.dts
View file
@@ -0,0 +1,320 @@
/dts-v1/;

#include "bcm2711.dtsi"

/ {
compatible = "raspberrypi,4-model-b", "brcm,bcm2838", "brcm,bcm2837";
model = "Raspberry Pi 4 Model B";
#address-cells = <2>;
#size-cells = <1>;

memory {
device_type = "memory";
reg = <0x0 0x0 0x0>;
};

chosen {
bootargs = "8250.nr_uarts=1 cma=64M";
};

aliases {
serial0 = &uart1;
serial1 = &uart0;
mmc0 = &emmc2;
mmc1 = &mmcnr;
mmc2 = &sdhost;
/delete-property/ ethernet;
/delete-property/ intc;
ethernet0 = &genet;
};
};

&soc {
virtgpio: virtgpio {
compatible = "brcm,bcm2835-virtgpio";
gpio-controller;
#gpio-cells = <2>;
firmware = <&firmware>;
status = "okay";
};
};

&mmcnr {
pinctrl-names = "default";
pinctrl-0 = <&sdio_pins>;
bus-width = <4>;
status = "okay";
};

&firmware {
expgpio: expgpio {
compatible = "raspberrypi,firmware-gpio";
gpio-controller;
#gpio-cells = <2>;
status = "okay";
};
};

&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins &bt_pins>;
status = "okay";
};

&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
status = "okay";
};

&spi0 {
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
cs-gpios = <&gpio 8 1>, <&gpio 7 1>;

spidev0: spidev@0{
compatible = "spidev";
reg = <0>; /* CE0 */
#address-cells = <1>;
#size-cells = <0>;
spi-max-frequency = <125000000>;
};

spidev1: spidev@1{
compatible = "spidev";
reg = <1>; /* CE1 */
#address-cells = <1>;
#size-cells = <0>;
spi-max-frequency = <125000000>;
};
};

// =============================================
// Board specific stuff here

/ {

sd_io_1v8_reg: sd_io_1v8_reg {
status = "okay";
compatible = "regulator-gpio";
vin-supply = <&vdd_5v0_reg>;
regulator-name = "vdd-sd-io";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
regulator-settling-time-us = <5000>;

gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
states = <1800000 0x1
3300000 0x0>;
};
};

&sdhost {
status = "disabled";
};

&emmc2 {
status = "okay";
broken-cd;
vqmmc-supply = <&sd_io_1v8_reg>;
};

&leds {
act_led: act {
label = "led0";
linux,default-trigger = "mmc0";
gpios = <&gpio 42 0>;
};

pwr_led: pwr {
label = "led1";
linux,default-trigger = "input";
gpios = <&expgpio 2 0>;
};
};

&audio {
pinctrl-names = "default";
pinctrl-0 = <&audio_pins>;
};

&sdhost_gpio48 {
brcm,pins = <22 23 24 25 26 27>;
brcm,function = <BCM2835_FSEL_ALT0>;
};

&gpio {
spi0_pins: spi0_pins {
brcm,pins = <9 10 11>;
brcm,function = <BCM2835_FSEL_ALT0>;
};

spi0_cs_pins: spi0_cs_pins {
brcm,pins = <8 7>;
brcm,function = <BCM2835_FSEL_GPIO_OUT>;
};

spi3_pins: spi3_pins {
brcm,pins = <1 2 3>;
brcm,function = <BCM2835_FSEL_ALT3>;
};

spi3_cs_pins: spi3_cs_pins {
brcm,pins = <0 24>;
brcm,function = <BCM2835_FSEL_GPIO_OUT>;
};

spi4_pins: spi4_pins {
brcm,pins = <5 6 7>;
brcm,function = <BCM2835_FSEL_ALT3>;
};

spi4_cs_pins: spi4_cs_pins {
brcm,pins = <4 25>;
brcm,function = <BCM2835_FSEL_GPIO_OUT>;
};

spi5_pins: spi5_pins {
brcm,pins = <13 14 15>;
brcm,function = <BCM2835_FSEL_ALT3>;
};

spi5_cs_pins: spi5_cs_pins {
brcm,pins = <12 26>;
brcm,function = <BCM2835_FSEL_GPIO_OUT>;
};

spi6_pins: spi6_pins {
brcm,pins = <19 20 21>;
brcm,function = <BCM2835_FSEL_ALT3>;
};

spi6_cs_pins: spi6_cs_pins {
brcm,pins = <18 27>;
brcm,function = <BCM2835_FSEL_GPIO_OUT>;
};

i2c0_pins: i2c0 {
brcm,pins = <0 1>;
brcm,function = <BCM2835_FSEL_ALT0>;
};

i2c1_pins: i2c1 {
brcm,pins = <2 3>;
brcm,function = <BCM2835_FSEL_ALT0>;
};

i2c3_pins: i2c3 {
brcm,pins = <4 5>;
brcm,function = <BCM2835_FSEL_ALT5>;
};

i2c4_pins: i2c4 {
brcm,pins = <8 9>;
brcm,function = <BCM2835_FSEL_ALT5>;
};

i2c5_pins: i2c5 {
brcm,pins = <12 13>;
brcm,function = <BCM2835_FSEL_ALT5>;
};

i2c6_pins: i2c6 {
brcm,pins = <22 23>;
brcm,function = <BCM2835_FSEL_ALT5>;
};

i2s_pins: i2s {
brcm,pins = <18 19 20 21>;
brcm,function = <BCM2835_FSEL_ALT0>;
};

sdio_pins: sdio_pins {
brcm,pins = <34 35 36 37 38 39>;
brcm,function = <BCM2835_FSEL_ALT3>; // alt3 = SD1
brcm,pull = <0 2 2 2 2 2>;
};

bt_pins: bt_pins {
brcm,pins = "-"; // non-empty to keep btuart happy, //4 = 0
// to fool pinctrl
brcm,function = <0>;
brcm,pull = <2>;
};

uart0_pins: uart0_pins {
brcm,pins = <32 33>;
brcm,function = <BCM2835_FSEL_ALT3>;
brcm,pull = <0 2>;
};

uart1_pins: uart1_pins {
brcm,pins;
brcm,function;
brcm,pull;
};

uart2_pins: uart2_pins {
brcm,pins = <0 1>;
brcm,function = <BCM2835_FSEL_ALT4>;
brcm,pull = <0 2>;
};

uart3_pins: uart3_pins {
brcm,pins = <4 5>;
brcm,function = <BCM2835_FSEL_ALT4>;
brcm,pull = <0 2>;
};

uart4_pins: uart4_pins {
brcm,pins = <8 9>;
brcm,function = <BCM2835_FSEL_ALT4>;
brcm,pull = <0 2>;
};

uart5_pins: uart5_pins {
brcm,pins = <12 13>;
brcm,function = <BCM2835_FSEL_ALT4>;
brcm,pull = <0 2>;
};

audio_pins: audio_pins {
brcm,pins = <40 41>;
brcm,function = <4>;
};
};

&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;
clock-frequency = <100000>;
};

&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
clock-frequency = <100000>;
};

&i2c2 {
clock-frequency = <100000>;
};

&i2s {
pinctrl-names = "default";
pinctrl-0 = <&i2s_pins>;
};

/ {
__overrides__ {
act_led_gpio = <&act_led>,"gpios:4";
act_led_activelow = <&act_led>,"gpios:8";
act_led_trigger = <&act_led>,"linux,default-trigger";

pwr_led_gpio = <&pwr_led>,"gpios:4";
pwr_led_activelow = <&pwr_led>,"gpios:8";
pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
};
};
50 changes: 50 additions & 0 deletions arch/arm/boot/dts/bcm2711.dtsi
View file
@@ -0,0 +1,50 @@
#include "bcm2838.dtsi"
#include "bcm270x.dtsi"
#include "bcm2708-rpi.dtsi"

/ {
soc {
/delete-node/ mailbox@7e00b840;
/delete-node/ v3d@7ec00000;
};

__overrides__ {
arm_freq;
};
};

&dma {
brcm,dma-channel-mask = <0x7ef5>;
};

&txp {
interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
};

&firmwarekms {
interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
};

&smi {
interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
};

&mmc {
interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
};

&mmcnr {
interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
};

&usb {
reg = <0x7e980000 0x10000>,
<0x7e00b200 0x200>;
interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
};

&gpio {
interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
};

0 comments on commit 874cafe

Please sign in to comment.