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xvzf/bcm2711-rpi-cm4-ha-yellow.dts

Created February 24, 2023 17:45
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Home Assistant Yellow device tree
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bcm2711-rpi-cm4-ha-yellow.dts
// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm2711.dtsi"
#include "bcm2711-rpi.dtsi"
//#include "bcm283x-rpi-usb-peripheral.dtsi"
/ {
compatible = "raspberrypi,4-compute-module-ha-yellow", "raspberrypi,4-compute-module", "brcm,bcm2711";
model = "Raspberry Pi Compute Module 4 on Home Assistant Yellow";
chosen {
/* 8250 auxiliary UART instead of pl011 */
stdout-path = "serial1:115200n8";
};
leds {
led-act {
gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
};
led-pwr {
label = "PWR";
gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
default-state = "keep";
linux,default-trigger = "default-on";
};
};
wifi_pwrseq: wifi-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
};
sd_io_1v8_reg: sd_io_1v8_reg {
compatible = "regulator-gpio";
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>;
status = "okay";
};
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>;
};
};
&ddc0 {
status = "okay";
};
&ddc1 {
status = "okay";
};
&expgpio {
gpio-line-names = "BT_ON",
"WL_ON",
"PWR_LED_OFF",
"ANT1",
"VDD_SD_IO_SEL",
"CAM_GPIO",
"SD_PWR_ON",
"ANT2";
ant1: ant1 {
gpio-hog;
gpios = <3 GPIO_ACTIVE_HIGH>;
output-high;
};
ant2: ant2 {
gpio-hog;
gpios = <7 GPIO_ACTIVE_HIGH>;
output-low;
};
};
&gpio {
/*
* Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
* the official GPU firmware DT blob.
*
* Legend:
* "FOO" = GPIO line named "FOO" on the schematic
* "FOO_N" = GPIO line named "FOO" on schematic, active low
*/
gpio-line-names = "ID_SDA",
"ID_SCL",
"SDA1",
"SCL1",
"GPIO_GCLK",
"GPIO5",
"GPIO6",
"SPI_CE1_N",
"SPI_CE0_N",
"SPI_MISO",
"SPI_MOSI",
"SPI_SCLK",
"GPIO12",
"GPIO13",
/* Serial port */
"TXD1",
"RXD1",
"GPIO16",
"GPIO17",
"GPIO18",
"GPIO19",
"GPIO20",
"GPIO21",
"GPIO22",
"GPIO23",
"GPIO24",
"GPIO25",
"GPIO26",
"GPIO27",
"RGMII_MDIO",
"RGMIO_MDC",
/* Used by BT module */
"CTS0",
"RTS0",
"TXD0",
"RXD0",
/* Used by Wifi */
"SD1_CLK",
"SD1_CMD",
"SD1_DATA0",
"SD1_DATA1",
"SD1_DATA2",
"SD1_DATA3",
/* Shared with SPI flash */
"PWM0_MISO",
"PWM1_MOSI",
"STATUS_LED_G_CLK",
"SPIFLASH_CE_N",
"SDA0",
"SCL0",
"RGMII_RXCLK",
"RGMII_RXCTL",
"RGMII_RXD0",
"RGMII_RXD1",
"RGMII_RXD2",
"RGMII_RXD3",
"RGMII_TXCLK",
"RGMII_TXCTL",
"RGMII_TXD0",
"RGMII_TXD1",
"RGMII_TXD2",
"RGMII_TXD3";
};
&hdmi0 {
status = "okay";
};
&hdmi1 {
status = "okay";
};
&pixelvalve0 {
status = "okay";
};
&pixelvalve1 {
status = "okay";
};
&pixelvalve2 {
status = "okay";
};
&pixelvalve4 {
status = "okay";
};
&pwm1 {
pinctrl-names = "default";
pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
status = "okay";
};
/* SDHCI is used to control the SDIO for wireless */
&sdhci {
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&emmc_gpio34>;
bus-width = <4>;
non-removable;
mmc-pwrseq = <&wifi_pwrseq>;
status = "okay";
brcmf: wifi@1 {
reg = <1>;
compatible = "brcm,bcm4329-fmac";
};
};
/* EMMC2 is used to drive the EMMC card */
&emmc2 {
bus-width = <8>;
vqmmc-supply = <&sd_io_1v8_reg>;
vmmc-supply = <&sd_vcc_reg>;
broken-cd;
status = "okay";
};
&genet {
phy-handle = <&phy1>;
phy-mode = "rgmii-rxid";
status = "okay";
};
&genet_mdio {
phy1: ethernet-phy@0 {
/* No PHY interrupt */
reg = <0x0>;
};
};
&pcie0 {
pci@0,0 {
device-type = "pci";
#address-cells = <3>;
#size-cells = <2>;
ranges;
reg = <0 0 0 0 0>;
};
};
/* uart0 communicates with the BT module */
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
uart-has-rtscts;
status = "okay";
bluetooth {
compatible = "brcm,bcm43438-bt";
max-speed = <2000000>;
shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
};
};
/* uart1 is mapped to the pin header */
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_gpio14>;
status = "okay";
};
&vchiq {
interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
};
&vc4 {
status = "okay";
};
&vec {
status = "disabled";
};
// =============================================
// Downstream rpi- changes
#define BCM2711
#include "bcm270x.dtsi"
#include "bcm271x-rpi-bt.dtsi"
/ {
soc {
/delete-node/ pixelvalve@7e807000;
/delete-node/ hdmi@7e902000;
};
};
#include "bcm2711-rpi-ds.dtsi"
#include "bcm283x-rpi-csi0-2lane.dtsi"
#include "bcm283x-rpi-csi1-4lane.dtsi"
#include "bcm283x-rpi-i2c0mux_0_44.dtsi"
/ {
chosen {
bootargs = "coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1";
};
aliases {
serial0 = &uart1;
serial1 = &uart0;
mmc0 = &emmc2;
mmc1 = &mmcnr;
mmc2 = &sdhost;
i2c3 = &i2c3;
i2c4 = &i2c4;
i2c5 = &i2c5;
i2c6 = &i2c6;
i2c20 = &ddc0;
i2c21 = &ddc1;
spi3 = &spi3;
spi4 = &spi4;
spi5 = &spi5;
spi6 = &spi6;
/delete-property/ intc;
};
/delete-node/ wifi-pwrseq;
};
&mmcnr {
pinctrl-names = "default";
pinctrl-0 = <&sdio_pins>;
bus-width = <4>;
status = "okay";
};
&uart0 {
pinctrl-0 = <&uart0_pins &bt_pins>;
status = "okay";
};
&uart1 {
pinctrl-0 = <&uart1_pins>;
};
&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>;
};
};
&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>;
};
};
&i2c0if {
clock-frequency = <100000>;
};
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
clock-frequency = <100000>;
};
&i2s {
pinctrl-names = "default";
pinctrl-0 = <&i2s_pins>;
};
// =============================================
// Board specific stuff here
&pcie0 {
brcm,enable-l1ss;
};
&sdhost {
status = "disabled";
};
&phy1 {
led-modes = <0x00 0x08>; /* link/activity link */
};
&gpio {
audio_pins: audio_pins {
brcm,pins = <>;
brcm,function = <>;
};
};
&leds {
act_led: led-act {
label = "led0";
linux,default-trigger = "mmc0";
gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
};
pwr_led: led-pwr {
label = "led1";
linux,default-trigger = "default-on";
gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
};
};
&pwm1 {
status = "disabled";
};
&audio {
pinctrl-names = "default";
pinctrl-0 = <&audio_pins>;
brcm,disable-headphones = <1>;
};
cam0_reg: &cam1_reg {
gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
};
/ {
__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";
ant1 = <&ant1>,"output-high?=on",
<&ant1>, "output-low?=off",
<&ant2>, "output-high?=off",
<&ant2>, "output-low?=on";
ant2 = <&ant1>,"output-high?=off",
<&ant1>, "output-low?=on",
<&ant2>, "output-high?=on",
<&ant2>, "output-low?=off";
noant = <&ant1>,"output-high?=off",
<&ant1>, "output-low?=on",
<&ant2>, "output-high?=off",
<&ant2>, "output-low?=on";
sd_poll_once = <&emmc2>, "non-removable?";
spi_dma4 = <&spi0>, "dmas:0=", <&dma40>,
<&spi0>, "dmas:8=", <&dma40>;
};
};
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