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lastdragon
2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
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linux-7.2.3/arch/arm64/boot/dts/freescale/imx8dxl-hummingboard-telematics.dts
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright 2022-2026 Josua Mayer <josua@solid-run.com>
*/
/dts-v1/;
#include "imx8dxl-sr-som.dtsi"
/ {
compatible = "solidrun,imx8dxl-hummingboard-telematics",
"solidrun,imx8dxl-sr-som", "fsl,imx8dxl";
model = "SolidRun i.MX8DXL HummingBoard Telematics";
aliases {
/* override ethernet aliases from imx8dxl.dtsi */
ethernet0 = &eqos;
ethernet1 = &switch_port1;
ethernet2 = &switch_port2;
ethernet3 = &switch_port3;
ethernet4 = &switch_port4;
ethernet5 = &switch_port5;
ethernet6 = &switch_port6;
ethernet7 = &switch_port7;
ethernet8 = &switch_port8;
ethernet9 = &switch_port9;
ethernet10 = &switch_port10;
gpio8 = &tca6408_u2;
mmc2 = &usdhc3;
rtc0 = &carrier_rtc;
rtc1 = &rtc;
serial1 = &lpuart1;
};
osc_32k: clock-osc-32k {
compatible = "fixed-clock";
clock-frequency = <32768>;
#clock-cells = <0>;
};
v_1_1: regulator-1-1 {
compatible = "regulator-fixed";
regulator-name = "1v1";
pinctrl-0 = <&regulator_1v1_pins>;
pinctrl-names = "default";
regulator-always-on;
regulator-max-microvolt = <1100000>;
regulator-min-microvolt = <1100000>;
vin-supply = <&v_5_0>;
gpio = <&lsio_gpio4 5 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
v_5_0: regulator-5-0 {
compatible = "regulator-fixed";
regulator-name = "5v0";
regulator-max-microvolt = <5000000>;
regulator-min-microvolt = <5000000>;
};
/* can transceiver builtin regulator (STBN1 pin) */
reg_flexcan1_stby: regulator-flexcan1-standby {
compatible = "regulator-fixed";
regulator-name = "flexcan1-standby";
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
gpio = <&tca6408_u2 2 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
/* can transceiver builtin regulator (STBN2 pin) */
reg_flexcan2_stby: regulator-flexcan2-standby {
compatible = "regulator-fixed";
regulator-name = "flexcan2-standby";
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
gpio = <&tca6408_u2 3 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
modem_vbat: regulator-modem-vbat {
compatible = "regulator-fixed";
regulator-name = "modem-vbat";
pinctrl-0 = <&regulator_modem_vbat_pins>;
pinctrl-names = "default";
regulator-max-microvolt = <3600000>;
regulator-min-microvolt = <3600000>;
vin-supply = <&v_5_0>;
gpio = <&lsio_gpio0 14 GPIO_ACTIVE_HIGH>;
enable-active-high;
/*
* Cellular Modem uses VBAT, RESET_N and PWRKEY for
* power-sequencing. USB core does not currently
* support this, keep vbat on permanently and let
* userspace deal with reset/pwrkey.
*/
regulator-always-on;
regulator-boot-on;
};
vbus1: regulator-vbus-1 {
compatible = "regulator-fixed";
regulator-name = "vbus1";
pinctrl-0 = <&regulator_usb1_vbus_pins>;
pinctrl-names = "default";
regulator-max-microvolt = <5000000>;
regulator-min-microvolt = <5000000>;
gpio = <&lsio_gpio0 16 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
usdhc3_pwrseq: usdhc3-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&lsio_gpio0 15 GPIO_ACTIVE_LOW>;
};
};
&dma_apbh {
status = "disabled";
};
&eqos {
/* delays are added by connected ethernet-switch cpu port */
phy-mode = "rgmii-id";
rx-internal-delay-ps = <0>;
tx-internal-delay-ps = <0>;
pinctrl-0 = <&eqos_pins>;
pinctrl-names = "default";
status = "okay";
fixed-link {
full-duplex;
speed = <1000>;
};
};
&flexcan1 {
pinctrl-0 = <&flexcan1_pins>;
pinctrl-names = "default";
xceiver-supply = <&reg_flexcan1_stby>;
status = "okay";
can-transceiver {
max-bitrate = <5000000>;
};
};
&flexcan2 {
pinctrl-0 = <&flexcan2_pins>;
pinctrl-names = "default";
xceiver-supply = <&reg_flexcan2_stby>;
status = "okay";
can-transceiver {
max-bitrate = <5000000>;
};
};
&i2c2 {
/* routed to J14: SDA(51), SCL(53) */
/* regulator@18 */
tca6408_u2: gpio@20 {
compatible = "ti,tca6408";
reg = <0x20>;
#interrupt-cells = <2>;
interrupt-controller;
#gpio-cells = <2>;
gpio-controller;
gpio-line-names = "DIG_IN1", "DIG_IN2", "CAN_STNB1", "CAN_STNB2",
"DIG_OUT1", "DIG_OUT2", "", "";
interrupts-extended = <&lsio_gpio0 20 IRQ_TYPE_EDGE_FALLING>;
pinctrl-0 = <&tca6408_u2_int_pins>;
pinctrl-names = "default";
};
carrier_rtc: rtc@32 {
compatible = "epson,rx8111";
reg = <0x32>;
};
};
&iomuxc {
bluetooth_pins: pinctrl-bluetooth-grp {
fsl,pins = <
/* BT_REG_ON: io without pull (module integrates pd) */
IMX8DXL_SPI3_SCK_LSIO_GPIO0_IO13 0x0000061
>;
};
eqos_pins: pinctrl-eqos-grp {
fsl,pins = <
/* MDIO to Switch */
/* enet0 mdio pads supplied with 3.3v */
/* IMX8DXL_COMP_CTL_GPIO_1V8_3V3_GPIOCT */
IMX8DXL_ENET0_MDC_CONN_EQOS_MDC 0x06000020
IMX8DXL_ENET0_MDIO_CONN_EQOS_MDIO 0x06000020
/* RGMII to Switch */
IMX8DXL_ENET1_RGMII_TX_CTL_CONN_EQOS_RGMII_TX_CTL 0x06000020
IMX8DXL_ENET1_RGMII_TXC_CONN_EQOS_RGMII_TXC 0x06000020
IMX8DXL_ENET1_RGMII_TXD0_CONN_EQOS_RGMII_TXD0 0x06000020
IMX8DXL_ENET1_RGMII_TXD1_CONN_EQOS_RGMII_TXD1 0x06000020
IMX8DXL_ENET1_RGMII_TXD2_CONN_EQOS_RGMII_TXD2 0x06000020
IMX8DXL_ENET1_RGMII_TXD3_CONN_EQOS_RGMII_TXD3 0x06000020
IMX8DXL_ENET1_RGMII_RXC_CONN_EQOS_RGMII_RXC 0x06000020
IMX8DXL_ENET1_RGMII_RX_CTL_CONN_EQOS_RGMII_RX_CTL 0x06000020
IMX8DXL_ENET1_RGMII_RXD0_CONN_EQOS_RGMII_RXD0 0x06000020
IMX8DXL_ENET1_RGMII_RXD1_CONN_EQOS_RGMII_RXD1 0x06000020
IMX8DXL_ENET1_RGMII_RXD2_CONN_EQOS_RGMII_RXD2 0x06000020
IMX8DXL_ENET1_RGMII_RXD3_CONN_EQOS_RGMII_RXD3 0x06000020
>;
};
flexcan1_pins: pinctrl-flexcan1-grp {
fsl,pins = <
IMX8DXL_FLEXCAN0_TX_ADMA_FLEXCAN0_TX 0x00000021
IMX8DXL_FLEXCAN0_RX_ADMA_FLEXCAN0_RX 0x00000021
>;
};
flexcan2_pins: pinctrl-flexcan2-grp {
fsl,pins = <
IMX8DXL_FLEXCAN1_TX_ADMA_FLEXCAN1_TX 0x00000021
IMX8DXL_FLEXCAN1_RX_ADMA_FLEXCAN1_RX 0x00000021
>;
};
lpspi0_pins: pinctrl-lpspi0-grp {
fsl,pins = <
IMX8DXL_SPI0_SCK_ADMA_SPI0_SCK 0x600004c
IMX8DXL_SPI0_SDO_ADMA_SPI0_SDO 0x600004c
IMX8DXL_SPI0_SDI_ADMA_SPI0_SDI 0x600004c
IMX8DXL_SPI0_CS0_LSIO_GPIO1_IO08 0x0000021
IMX8DXL_SPI0_CS1_LSIO_GPIO1_IO07 0x0000021
>;
};
lpuart1_pins: pinctrl-lpuart1-grp {
fsl,pins = <
IMX8DXL_UART1_RX_ADMA_UART1_RX 0x06000020
IMX8DXL_UART1_TX_ADMA_UART1_TX 0x06000020
IMX8DXL_UART1_CTS_B_ADMA_UART1_CTS_B 0x06000020
IMX8DXL_UART1_RTS_B_ADMA_UART1_RTS_B 0x06000020
>;
};
modem_pins: pinctrl-lte-grp {
fsl,pins = <
/* modem RESET_N: io open drain drive 2mA */
IMX8DXL_ADC_IN3_LSIO_GPIO1_IO11 0x2000061
/* modem PWRKEY: io open drain with pull-up, drive 2mA */
IMX8DXL_ADC_IN2_LSIO_GPIO1_IO12 0x2000021
>;
};
regulator_1v1_pins: pinctrl-regulator-1-1-grp {
fsl,pins = <
/* SW_PE: io without pull-up */
IMX8DXL_USB_SS3_TC2_LSIO_GPIO4_IO05 0x0000061
>;
};
regulator_modem_vbat_pins: pinctrl-regulator-modem-vbat-grp {
fsl,pins = <
/*
* RF_PWR: io without pull-up,
* has either external pull-up (R1117) or pull-down (R1118).
* With pull-up Modem will boot at system power-up,
* with pull-down modem will enter power-down mode once
* vbat is enabled -> toggle pwrkey to boot modem.
* Hence pull-up (R1117) is preferred.
*/
IMX8DXL_SPI3_SDO_LSIO_GPIO0_IO14 0x0000061
>;
};
regulator_usb1_vbus_pins: pinctrl-regulator-usb1-vbus-grp {
fsl,pins = <
/* regulator enable: open-drain with pull-up & low drive strength */
IMX8DXL_SPI3_CS0_LSIO_GPIO0_IO16 0x2000021
>;
};
switch_pins: pinctrl-switch-grp {
fsl,pins = <
/* SW_RSTn: io without pull-up */
IMX8DXL_USB_SS3_TC0_LSIO_GPIO4_IO03 0x0000021
/* SW_CORE_RSTn: io without pull-up */
IMX8DXL_USB_SS3_TC1_LSIO_GPIO4_IO04 0x0000021
/* INT_N: io without pull-up */
IMX8DXL_USB_SS3_TC3_LSIO_GPIO4_IO06 0x0000021
>;
};
tca6408_u2_int_pins: pinctrl-tca6408-u2-int-grp {
fsl,pins = <
/* gpio-expander interrupt: io with pull-up */
IMX8DXL_MCLK_OUT0_LSIO_GPIO0_IO20 0x0000021
>;
};
usdhc3_pins: pinctrl-usdhc3-grp {
fsl,pins = <
IMX8DXL_ENET0_RGMII_TXC_CONN_USDHC2_CLK 0x06000040
IMX8DXL_ENET0_RGMII_TX_CTL_CONN_USDHC2_CMD 0x00000021
IMX8DXL_ENET0_RGMII_TXD0_CONN_USDHC2_DATA0 0x00000021
IMX8DXL_ENET0_RGMII_TXD1_CONN_USDHC2_DATA1 0x00000021
IMX8DXL_ENET0_RGMII_TXD2_CONN_USDHC2_DATA2 0x00000021
IMX8DXL_ENET0_RGMII_TXD3_CONN_USDHC2_DATA3 0x00000021
>;
};
wifi_pins: pinctrl-wifi-grp {
fsl,pins = <
/* WL_REG_ON: io without pull (module integrates pd) */
IMX8DXL_SPI3_SDI_LSIO_GPIO0_IO15 0x0000061
>;
};
};
&lpspi0 {
cs-gpios = <&lsio_gpio1 8 GPIO_ACTIVE_LOW>, <&lsio_gpio1 7 GPIO_ACTIVE_LOW>;
pinctrl-0 = <&lpspi0_pins>, <&switch_pins>;
pinctrl-names = "default";
status = "okay";
ethernet-switch@0 {
compatible = "nxp,sja1110a";
reg = <0>;
reset-gpios = <&lsio_gpio4 3 GPIO_ACTIVE_LOW>;
spi-max-frequency = <4000000>;
ethernet-ports {
#address-cells = <1>;
#size-cells = <0>;
/* 100Base-TX on connector J26 */
switch_port1: port@1 {
reg = <0x1>;
phy-handle = <&switch_port1_base_tx_phy>;
phy-mode = "internal";
};
/* CPU */
switch_port2: port@2 {
reg = <0x2>;
ethernet = <&eqos>;
phy-mode = "rgmii-id";
rx-internal-delay-ps = <2000>;
tx-internal-delay-ps = <2000>;
fixed-link {
full-duplex;
speed = <1000>;
};
};
/* sgmii on addon board connector J21 */
switch_port3: port@3 {
reg = <0x3>;
status = "disabled";
};
/* sgmii on addon board connector J21 */
switch_port4: port@4 {
reg = <0x4>;
status = "disabled";
};
/* 100base-t1 on addon board connector J21 */
switch_port5: port@5 {
reg = <0x5>;
phy-handle = <&switch_port5_base_t1_phy>;
phy-mode = "internal";
status = "disabled";
};
/* 100base-t1 on addon board connector J21 */
switch_port6: port@6 {
reg = <0x6>;
phy-handle = <&switch_port6_base_t1_phy>;
phy-mode = "internal";
status = "disabled";
};
/* 100base-t1 on addon board connector J21 */
switch_port7: port@7 {
reg = <0x7>;
phy-handle = <&switch_port7_base_t1_phy>;
phy-mode = "internal";
status = "disabled";
};
/* 100base-t1 on addon board connector J21 */
switch_port8: port@8 {
reg = <0x8>;
phy-handle = <&switch_port8_base_t1_phy>;
phy-mode = "internal";
status = "disabled";
};
/* 100base-t1 on addon board connector J21 */
switch_port9: port@9 {
reg = <0x9>;
phy-handle = <&switch_port9_base_t1_phy>;
phy-mode = "internal";
status = "disabled";
};
/* 100Base-T1 on connector J26 */
switch_port10: port@a {
reg = <0xa>;
phy-handle = <&switch_port10_base_t1_phy>;
phy-mode = "internal";
};
};
mdios {
#address-cells = <1>;
#size-cells = <0>;
mdio@0 {
compatible = "nxp,sja1110-base-t1-mdio";
reg = <0>;
#address-cells = <1>;
#size-cells = <0>;
/* 100base-t1 on addon board connector J21 */
switch_port5_base_t1_phy: ethernet-phy@1 {
compatible = "ethernet-phy-ieee802.3-c45";
reg = <0x1>;
status = "disabled";
};
/* 100base-t1 on addon board connector J21 */
switch_port6_base_t1_phy: ethernet-phy@2 {
compatible = "ethernet-phy-ieee802.3-c45";
reg = <0x2>;
status = "disabled";
};
/* 100base-t1 on addon board connector J21 */
switch_port7_base_t1_phy: ethernet-phy@3 {
compatible = "ethernet-phy-ieee802.3-c45";
reg = <0x3>;
status = "disabled";
};
/* 100base-t1 on addon board connector J21 */
switch_port8_base_t1_phy: ethernet-phy@4 {
compatible = "ethernet-phy-ieee802.3-c45";
reg = <0x4>;
status = "disabled";
};
/* 100base-t1 on addon board connector J21 */
switch_port9_base_t1_phy: ethernet-phy@5 {
compatible = "ethernet-phy-ieee802.3-c45";
reg = <0x5>;
status = "disabled";
};
/* 100Base-T1 on connector J26 */
switch_port10_base_t1_phy: ethernet-phy@6 {
compatible = "ethernet-phy-ieee802.3-c45";
reg = <0x6>;
};
};
mdio@1 {
compatible = "nxp,sja1110-base-tx-mdio";
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
/* 100Base-TX on connector J26 */
switch_port1_base_tx_phy: ethernet-phy@1 {
reg = <0x1>;
};
};
};
};
};
/* bluetooth */
&lpuart1 {
pinctrl-0 = <&lpuart1_pins>, <&bluetooth_pins>;
pinctrl-names = "default";
uart-has-rtscts;
status = "okay";
bluetooth {
compatible = "brcm,bcm4345c5";
clocks = <&osc_32k>;
clock-names = "lpo";
/* Murata 1MW module supports max. 3M baud */
max-speed = <3000000>;
shutdown-gpios = <&lsio_gpio0 13 GPIO_ACTIVE_HIGH>;
/* link fixed supplies to avoid fall-back lookup by name */
vbat-supply = <&v_3_3>;
vddio-supply = <&v_1_8>;
};
};
&lsio_gpio1 {
gpio-line-names = "", "", "", "", "", "", "", "",
"", "", "", "CELL_RESET_N", "CELL_PWRKEY", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "";
};
&usbotg1 {
dr_mode = "host";
vbus-supply = <&vbus1>;
};
/* cellular modem */
&usbotg2 {
#address-cells = <1>;
#size-cells = <0>;
adp-disable;
disable-over-current;
dr_mode = "host";
hnp-disable;
pinctrl-0 = <&modem_pins>;
pinctrl-names = "default";
power-active-high;
srp-disable;
vbus-supply = <&v_5_0>;
status = "okay";
usb-device@1 {
compatible = "usb2c7c,125";
reg = <1>;
vbus-supply = <&v_3_3>;
vdd-supply = <&modem_vbat>;
};
};
&usbphy2 {
status = "okay";
};
/* WiFi */
&usdhc3 {
bus-width = <4>;
cap-sdio-irq;
mmc-pwrseq = <&usdhc3_pwrseq>;
non-removable;
no-sd;
pinctrl-0 = <&usdhc3_pins>, <&wifi_pins>;
pinctrl-names = "default";
vmmc-supply = <&v_3_3>;
vqmmc-supply = <&v_1_8>;
status = "okay";
};