diff options
Diffstat (limited to 'arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4.dtsi')
-rw-r--r-- | arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4.dtsi | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4.dtsi b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4.dtsi new file mode 100644 index 0000000000..48e63ab784 --- /dev/null +++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4.dtsi @@ -0,0 +1,113 @@ +// SPDX-License-Identifier: GPL-2.0 +/dts-v1/; +#include "bcm2711.dtsi" +#include "bcm2711-rpi.dtsi" +#include "bcm283x-rpi-wifi-bt.dtsi" + +/ { + compatible = "raspberrypi,4-compute-module", "brcm,bcm2711"; + + chosen { + /* 8250 auxiliary UART instead of pl011 */ + stdout-path = "serial1:115200n8"; + }; + + sd_io_1v8_reg: regulator-sd-io-1v8 { + 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: regulator-sd-vcc { + 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>; + }; +}; + +&bt { + shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; +}; + +/* EMMC2 is used to drive the eMMC */ +&emmc2 { + bus-width = <8>; + vqmmc-supply = <&sd_io_1v8_reg>; + vmmc-supply = <&sd_vcc_reg>; + broken-cd; + /* Even the IP block is limited to 100 MHz + * this provides a throughput gain + */ + mmc-hs200-1_8v; + 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-hog { + gpio-hog; + gpios = <3 GPIO_ACTIVE_HIGH>; + /* internal antenna enabled */ + output-high; + line-name = "ant1"; + }; + + ant2: ant2-hog { + gpio-hog; + gpios = <7 GPIO_ACTIVE_HIGH>; + /* external antenna disabled */ + output-low; + line-name = "ant2"; + }; +}; + +&genet { + phy-handle = <&phy1>; + phy-mode = "rgmii-rxid"; + status = "okay"; +}; + +&genet_mdio { + phy1: ethernet-phy@0 { + /* No PHY interrupt */ + reg = <0x0>; + }; +}; + +/* uart0 communicates with the BT module */ +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>; + uart-has-rtscts; +}; + +/* uart1 is mapped to the pin header */ +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_gpio14>; + status = "okay"; +}; + +&wifi_pwrseq { + reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; +}; |