diff options
Diffstat (limited to 'arch/arm/boot/dts/bcm2711-rpi-4-b.dts')
| -rw-r--r-- | arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 221 |
1 files changed, 160 insertions, 61 deletions
diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts index efea891b1a76..4432412044de 100644 --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts @@ -1,8 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 /dts-v1/; #include "bcm2711.dtsi" -#include "bcm2835-rpi.dtsi" +#include "bcm2711-rpi.dtsi" #include "bcm283x-rpi-usb-peripheral.dtsi" +#include "bcm283x-rpi-wifi-bt.dtsi" / { compatible = "raspberrypi,4-model-b", "brcm,bcm2711"; @@ -13,23 +14,12 @@ stdout-path = "serial1:115200n8"; }; - /* Will be filled by the bootloader */ - memory@0 { - device_type = "memory"; - reg = <0 0 0>; - }; - - aliases { - ethernet0 = &genet; - pcie0 = &pcie0; - }; - leds { - act { + led-act { gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; }; - pwr { + led-pwr { label = "PWR"; gpios = <&expgpio 2 GPIO_ACTIVE_LOW>; default-state = "keep"; @@ -37,11 +27,6 @@ }; }; - 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"; @@ -51,55 +36,152 @@ regulator-always-on; regulator-settling-time-us = <5000>; gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>; - states = <1800000 0x1 - 3300000 0x0>; + states = <1800000 0x1>, + <3300000 0x0>; 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"; + 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>; }; }; -&pwm1 { - pinctrl-names = "default"; - pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>; +&bt { + shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; +}; + +&ddc0 { 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>; +&ddc1 { status = "okay"; +}; - brcmf: wifi@1 { - reg = <1>; - compatible = "brcm,bcm4329-fmac"; - }; +&expgpio { + gpio-line-names = "BT_ON", /* 0 */ + "WL_ON", + "PWR_LED_OFF", + "GLOBAL_RESET", + "VDD_SD_IO_SEL", + "CAM_GPIO", /* 5 */ + "SD_PWR_ON", + ""; +}; + +&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", /* 0 */ + "ID_SCL", + "SDA1", + "SCL1", + "GPIO_GCLK", + "GPIO5", /* 5 */ + "GPIO6", + "SPI_CE1_N", + "SPI_CE0_N", + "SPI_MISO", + "SPI_MOSI", /* 10 */ + "SPI_SCLK", + "GPIO12", + "GPIO13", + /* Serial port */ + "TXD1", + "RXD1", /* 15 */ + "GPIO16", + "GPIO17", + "GPIO18", + "GPIO19", + "GPIO20", /* 20 */ + "GPIO21", + "GPIO22", + "GPIO23", + "GPIO24", + "GPIO25", /* 25 */ + "GPIO26", + "GPIO27", + "RGMII_MDIO", + "RGMIO_MDC", + /* Used by BT module */ + "CTS0", /* 30 */ + "RTS0", + "TXD0", + "RXD0", + /* Used by Wifi */ + "SD1_CLK", + "SD1_CMD", /* 35 */ + "SD1_DATA0", + "SD1_DATA1", + "SD1_DATA2", + "SD1_DATA3", + /* Shared with SPI flash */ + "PWM0_MISO", /* 40 */ + "PWM1_MOSI", + "STATUS_LED_G_CLK", + "SPIFLASH_CE_N", + "SDA0", + "SCL0", /* 45 */ + "RGMII_RXCLK", + "RGMII_RXCTL", + "RGMII_RXD0", + "RGMII_RXD1", + "RGMII_RXD2", /* 50 */ + "RGMII_RXD3", + "RGMII_TXCLK", + "RGMII_TXCTL", + "RGMII_TXD0", + "RGMII_TXD1", /* 55 */ + "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"; }; /* EMMC2 is used to drive the SD card */ &emmc2 { vqmmc-supply = <&sd_io_1v8_reg>; + vmmc-supply = <&sd_vcc_reg>; broken-cd; status = "okay"; }; @@ -117,18 +199,27 @@ }; }; +&pcie0 { + pci@0,0 { + device_type = "pci"; + #address-cells = <3>; + #size-cells = <2>; + ranges; + + reg = <0 0 0 0 0>; + + usb@0,0 { + reg = <0 0 0 0 0>; + resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>; + }; + }; +}; + /* 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 */ @@ -138,6 +229,14 @@ status = "okay"; }; -&vchiq { - interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; +&vc4 { + status = "okay"; +}; + +&vec { + status = "disabled"; +}; + +&wifi_pwrseq { + reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; }; |