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Diffstat (limited to 'arch/arm/boot/dts/bcm2711-rpi-4-b.dts')
-rw-r--r--arch/arm/boot/dts/bcm2711-rpi-4-b.dts242
1 files changed, 242 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
new file mode 100644
index 000000000..443241204
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -0,0 +1,242 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+#include "bcm2711.dtsi"
+#include "bcm2711-rpi.dtsi"
+#include "bcm283x-rpi-usb-peripheral.dtsi"
+#include "bcm283x-rpi-wifi-bt.dtsi"
+
+/ {
+ compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
+ model = "Raspberry Pi 4 Model B";
+
+ 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";
+ };
+ };
+
+ 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>;
+ };
+};
+
+&bt {
+ shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
+};
+
+&ddc0 {
+ status = "okay";
+};
+
+&ddc1 {
+ status = "okay";
+};
+
+&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";
+};
+
+&genet {
+ phy-handle = <&phy1>;
+ phy-mode = "rgmii-rxid";
+ status = "okay";
+};
+
+&genet_mdio {
+ phy1: ethernet-phy@1 {
+ /* No PHY interrupt */
+ reg = <0x1>;
+ };
+};
+
+&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;
+};
+
+/* uart1 is mapped to the pin header */
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_gpio14>;
+ status = "okay";
+};
+
+&vc4 {
+ status = "okay";
+};
+
+&vec {
+ status = "disabled";
+};
+
+&wifi_pwrseq {
+ reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
+};