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Copy pathbcm2711-rpi-4-b.dts
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bcm2711-rpi-4-b.dts
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/dts-v1/;
#include "bcm2711.dtsi"
#include "bcm2711-rpi.dtsi"
#include "bcm283x-rpi-csi1-2lane.dtsi"
/ {
compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
model = "Raspberry Pi 4 Model B";
memory@0 {
device_type = "memory";
reg = <0x0 0x0 0x0>;
};
chosen {
bootargs = "coherent_pool=1M 8250.nr_uarts=1 cma=64M";
};
aliases {
serial0 = &uart1;
serial1 = &uart0;
mmc0 = &emmc2;
mmc1 = &mmcnr;
mmc2 = &sdhost;
i2c3 = &i2c3;
i2c4 = &i2c4;
i2c5 = &i2c5;
i2c6 = &i2c6;
/delete-property/ ethernet;
/delete-property/ intc;
ethernet0 = &genet;
pcie0 = &pcie_0;
emmc2bus = &emmc2bus;
};
};
/delete-node/ &emmc2;
/ {
emmc2bus: emmc2bus {
compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <1>;
ranges = <0x0 0x7e000000 0x0 0xfe000000 0x01800000>;
dma-ranges = <0x0 0xc0000000 0x0 0x00000000 0x3c000000>;
emmc2: emmc2@7e340000 {
compatible = "brcm,bcm2711-emmc2";
status = "okay";
interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clocks BCM2711_CLOCK_EMMC2>;
reg = <0x0 0x7e340000 0x100>;
vqmmc-supply = <&sd_io_1v8_reg>;
broken-cd;
};
};
};
&mmcnr {
pinctrl-names = "default";
pinctrl-0 = <&sdio_pins>;
bus-width = <4>;
status = "okay";
};
&firmware {
expgpio: gpio {
compatible = "raspberrypi,firmware-gpio";
gpio-controller;
#gpio-cells = <2>;
gpio-line-names = "BT_ON",
"WL_ON",
"PWR_LED_OFF",
"GLOBAL_RESET",
"VDD_SD_IO_SEL",
"CAM_GPIO",
"",
"";
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>;
};
sd_vcc_reg: sd_vcc_reg {
compatible = "regulator-fixed";
regulator-name = "vcc-sd";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
enable-active-high;
gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
};
};
&sdhost {
status = "disabled";
};
&emmc2 {
status = "okay";
broken-cd;
vqmmc-supply = <&sd_io_1v8_reg>;
vmmc-supply = <&sd_vcc_reg>;
};
&leds {
act_led: act {
label = "led0";
linux,default-trigger = "mmc0";
gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
};
pwr_led: pwr {
label = "led1";
linux,default-trigger = "default-on";
gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
};
};
&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>;
brcm,pull = <BCM2835_PUD_UP>;
};
i2c1_pins: i2c1 {
brcm,pins = <2 3>;
brcm,function = <BCM2835_FSEL_ALT0>;
brcm,pull = <BCM2835_PUD_UP>;
};
i2c3_pins: i2c3 {
brcm,pins = <4 5>;
brcm,function = <BCM2835_FSEL_ALT5>;
brcm,pull = <BCM2835_PUD_UP>;
};
i2c4_pins: i2c4 {
brcm,pins = <8 9>;
brcm,function = <BCM2835_FSEL_ALT5>;
brcm,pull = <BCM2835_PUD_UP>;
};
i2c5_pins: i2c5 {
brcm,pins = <12 13>;
brcm,function = <BCM2835_FSEL_ALT5>;
brcm,pull = <BCM2835_PUD_UP>;
};
i2c6_pins: i2c6 {
brcm,pins = <22 23>;
brcm,function = <BCM2835_FSEL_ALT5>;
brcm,pull = <BCM2835_PUD_UP>;
};
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";
eth_led0 = <&phy1>,"led-modes:0";
eth_led1 = <&phy1>,"led-modes:4";
sd_poll_once = <&emmc2>, "non-removable?";
spi_dma4 = <&spi0>, "dmas:0=", <&dma40>,
<&spi0>, "dmas:8=", <&dma40>;
};
};