561 lines
14 KiB
Devicetree
561 lines
14 KiB
Devicetree
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright 2022-2026 Josua Mayer <josua@solid-run.com>
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*/
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/dts-v1/;
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#include "imx8dxl-sr-som.dtsi"
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/ {
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compatible = "solidrun,imx8dxl-hummingboard-telematics",
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"solidrun,imx8dxl-sr-som", "fsl,imx8dxl";
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model = "SolidRun i.MX8DXL HummingBoard Telematics";
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aliases {
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/* override ethernet aliases from imx8dxl.dtsi */
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ethernet0 = &eqos;
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ethernet1 = &switch_port1;
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ethernet2 = &switch_port2;
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ethernet3 = &switch_port3;
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ethernet4 = &switch_port4;
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ethernet5 = &switch_port5;
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ethernet6 = &switch_port6;
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ethernet7 = &switch_port7;
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ethernet8 = &switch_port8;
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ethernet9 = &switch_port9;
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ethernet10 = &switch_port10;
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gpio8 = &tca6408_u2;
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mmc2 = &usdhc3;
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rtc0 = &carrier_rtc;
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rtc1 = &rtc;
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serial1 = &lpuart1;
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};
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osc_32k: clock-osc-32k {
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compatible = "fixed-clock";
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clock-frequency = <32768>;
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#clock-cells = <0>;
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};
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v_1_1: regulator-1-1 {
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compatible = "regulator-fixed";
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regulator-name = "1v1";
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pinctrl-0 = <®ulator_1v1_pins>;
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pinctrl-names = "default";
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regulator-always-on;
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regulator-max-microvolt = <1100000>;
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regulator-min-microvolt = <1100000>;
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vin-supply = <&v_5_0>;
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gpio = <&lsio_gpio4 5 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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v_5_0: regulator-5-0 {
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compatible = "regulator-fixed";
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regulator-name = "5v0";
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regulator-max-microvolt = <5000000>;
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regulator-min-microvolt = <5000000>;
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};
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/* can transceiver builtin regulator (STBN1 pin) */
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reg_flexcan1_stby: regulator-flexcan1-standby {
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compatible = "regulator-fixed";
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regulator-name = "flexcan1-standby";
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regulator-max-microvolt = <3300000>;
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regulator-min-microvolt = <3300000>;
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gpio = <&tca6408_u2 2 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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/* can transceiver builtin regulator (STBN2 pin) */
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reg_flexcan2_stby: regulator-flexcan2-standby {
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compatible = "regulator-fixed";
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regulator-name = "flexcan2-standby";
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regulator-max-microvolt = <3300000>;
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regulator-min-microvolt = <3300000>;
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gpio = <&tca6408_u2 3 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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modem_vbat: regulator-modem-vbat {
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compatible = "regulator-fixed";
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regulator-name = "modem-vbat";
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pinctrl-0 = <®ulator_modem_vbat_pins>;
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pinctrl-names = "default";
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regulator-max-microvolt = <3600000>;
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regulator-min-microvolt = <3600000>;
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vin-supply = <&v_5_0>;
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gpio = <&lsio_gpio0 14 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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/*
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* Cellular Modem uses VBAT, RESET_N and PWRKEY for
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* power-sequencing. USB core does not currently
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* support this, keep vbat on permanently and let
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* userspace deal with reset/pwrkey.
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*/
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regulator-always-on;
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regulator-boot-on;
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};
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vbus1: regulator-vbus-1 {
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compatible = "regulator-fixed";
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regulator-name = "vbus1";
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pinctrl-0 = <®ulator_usb1_vbus_pins>;
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pinctrl-names = "default";
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regulator-max-microvolt = <5000000>;
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regulator-min-microvolt = <5000000>;
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gpio = <&lsio_gpio0 16 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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usdhc3_pwrseq: usdhc3-pwrseq {
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compatible = "mmc-pwrseq-simple";
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reset-gpios = <&lsio_gpio0 15 GPIO_ACTIVE_LOW>;
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};
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};
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&dma_apbh {
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status = "disabled";
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};
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&eqos {
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/* delays are added by connected ethernet-switch cpu port */
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phy-mode = "rgmii-id";
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rx-internal-delay-ps = <0>;
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tx-internal-delay-ps = <0>;
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pinctrl-0 = <&eqos_pins>;
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pinctrl-names = "default";
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status = "okay";
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fixed-link {
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full-duplex;
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speed = <1000>;
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};
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};
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&flexcan1 {
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pinctrl-0 = <&flexcan1_pins>;
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pinctrl-names = "default";
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xceiver-supply = <®_flexcan1_stby>;
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status = "okay";
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can-transceiver {
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max-bitrate = <5000000>;
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};
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};
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&flexcan2 {
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pinctrl-0 = <&flexcan2_pins>;
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pinctrl-names = "default";
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xceiver-supply = <®_flexcan2_stby>;
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status = "okay";
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can-transceiver {
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max-bitrate = <5000000>;
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};
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};
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&i2c2 {
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/* routed to J14: SDA(51), SCL(53) */
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/* regulator@18 */
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tca6408_u2: gpio@20 {
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compatible = "ti,tca6408";
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reg = <0x20>;
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#interrupt-cells = <2>;
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interrupt-controller;
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#gpio-cells = <2>;
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gpio-controller;
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gpio-line-names = "DIG_IN1", "DIG_IN2", "CAN_STNB1", "CAN_STNB2",
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"DIG_OUT1", "DIG_OUT2", "", "";
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interrupts-extended = <&lsio_gpio0 20 IRQ_TYPE_EDGE_FALLING>;
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pinctrl-0 = <&tca6408_u2_int_pins>;
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pinctrl-names = "default";
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};
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carrier_rtc: rtc@32 {
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compatible = "epson,rx8111";
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reg = <0x32>;
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};
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};
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&iomuxc {
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bluetooth_pins: pinctrl-bluetooth-grp {
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fsl,pins = <
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/* BT_REG_ON: io without pull (module integrates pd) */
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IMX8DXL_SPI3_SCK_LSIO_GPIO0_IO13 0x0000061
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>;
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};
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eqos_pins: pinctrl-eqos-grp {
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fsl,pins = <
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/* MDIO to Switch */
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/* enet0 mdio pads supplied with 3.3v */
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/* IMX8DXL_COMP_CTL_GPIO_1V8_3V3_GPIOCT */
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IMX8DXL_ENET0_MDC_CONN_EQOS_MDC 0x06000020
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IMX8DXL_ENET0_MDIO_CONN_EQOS_MDIO 0x06000020
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/* RGMII to Switch */
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IMX8DXL_ENET1_RGMII_TX_CTL_CONN_EQOS_RGMII_TX_CTL 0x06000020
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IMX8DXL_ENET1_RGMII_TXC_CONN_EQOS_RGMII_TXC 0x06000020
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IMX8DXL_ENET1_RGMII_TXD0_CONN_EQOS_RGMII_TXD0 0x06000020
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IMX8DXL_ENET1_RGMII_TXD1_CONN_EQOS_RGMII_TXD1 0x06000020
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IMX8DXL_ENET1_RGMII_TXD2_CONN_EQOS_RGMII_TXD2 0x06000020
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IMX8DXL_ENET1_RGMII_TXD3_CONN_EQOS_RGMII_TXD3 0x06000020
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IMX8DXL_ENET1_RGMII_RXC_CONN_EQOS_RGMII_RXC 0x06000020
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IMX8DXL_ENET1_RGMII_RX_CTL_CONN_EQOS_RGMII_RX_CTL 0x06000020
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IMX8DXL_ENET1_RGMII_RXD0_CONN_EQOS_RGMII_RXD0 0x06000020
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IMX8DXL_ENET1_RGMII_RXD1_CONN_EQOS_RGMII_RXD1 0x06000020
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IMX8DXL_ENET1_RGMII_RXD2_CONN_EQOS_RGMII_RXD2 0x06000020
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IMX8DXL_ENET1_RGMII_RXD3_CONN_EQOS_RGMII_RXD3 0x06000020
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>;
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};
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flexcan1_pins: pinctrl-flexcan1-grp {
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fsl,pins = <
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IMX8DXL_FLEXCAN0_TX_ADMA_FLEXCAN0_TX 0x00000021
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IMX8DXL_FLEXCAN0_RX_ADMA_FLEXCAN0_RX 0x00000021
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>;
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};
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flexcan2_pins: pinctrl-flexcan2-grp {
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fsl,pins = <
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IMX8DXL_FLEXCAN1_TX_ADMA_FLEXCAN1_TX 0x00000021
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IMX8DXL_FLEXCAN1_RX_ADMA_FLEXCAN1_RX 0x00000021
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>;
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};
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lpspi0_pins: pinctrl-lpspi0-grp {
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fsl,pins = <
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IMX8DXL_SPI0_SCK_ADMA_SPI0_SCK 0x600004c
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IMX8DXL_SPI0_SDO_ADMA_SPI0_SDO 0x600004c
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IMX8DXL_SPI0_SDI_ADMA_SPI0_SDI 0x600004c
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IMX8DXL_SPI0_CS0_LSIO_GPIO1_IO08 0x0000021
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IMX8DXL_SPI0_CS1_LSIO_GPIO1_IO07 0x0000021
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>;
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};
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lpuart1_pins: pinctrl-lpuart1-grp {
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fsl,pins = <
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IMX8DXL_UART1_RX_ADMA_UART1_RX 0x06000020
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IMX8DXL_UART1_TX_ADMA_UART1_TX 0x06000020
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IMX8DXL_UART1_CTS_B_ADMA_UART1_CTS_B 0x06000020
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IMX8DXL_UART1_RTS_B_ADMA_UART1_RTS_B 0x06000020
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>;
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};
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modem_pins: pinctrl-lte-grp {
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fsl,pins = <
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/* modem RESET_N: io open drain drive 2mA */
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IMX8DXL_ADC_IN3_LSIO_GPIO1_IO11 0x2000061
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/* modem PWRKEY: io open drain with pull-up, drive 2mA */
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IMX8DXL_ADC_IN2_LSIO_GPIO1_IO12 0x2000021
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>;
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};
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regulator_1v1_pins: pinctrl-regulator-1-1-grp {
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fsl,pins = <
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/* SW_PE: io without pull-up */
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IMX8DXL_USB_SS3_TC2_LSIO_GPIO4_IO05 0x0000061
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>;
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};
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regulator_modem_vbat_pins: pinctrl-regulator-modem-vbat-grp {
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fsl,pins = <
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/*
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* RF_PWR: io without pull-up,
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* has either external pull-up (R1117) or pull-down (R1118).
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* With pull-up Modem will boot at system power-up,
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* with pull-down modem will enter power-down mode once
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* vbat is enabled -> toggle pwrkey to boot modem.
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* Hence pull-up (R1117) is preferred.
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*/
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IMX8DXL_SPI3_SDO_LSIO_GPIO0_IO14 0x0000061
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>;
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};
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regulator_usb1_vbus_pins: pinctrl-regulator-usb1-vbus-grp {
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fsl,pins = <
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/* regulator enable: open-drain with pull-up & low drive strength */
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IMX8DXL_SPI3_CS0_LSIO_GPIO0_IO16 0x2000021
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>;
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};
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switch_pins: pinctrl-switch-grp {
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fsl,pins = <
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/* SW_RSTn: io without pull-up */
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IMX8DXL_USB_SS3_TC0_LSIO_GPIO4_IO03 0x0000021
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/* SW_CORE_RSTn: io without pull-up */
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IMX8DXL_USB_SS3_TC1_LSIO_GPIO4_IO04 0x0000021
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/* INT_N: io without pull-up */
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IMX8DXL_USB_SS3_TC3_LSIO_GPIO4_IO06 0x0000021
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>;
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};
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tca6408_u2_int_pins: pinctrl-tca6408-u2-int-grp {
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fsl,pins = <
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/* gpio-expander interrupt: io with pull-up */
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IMX8DXL_MCLK_OUT0_LSIO_GPIO0_IO20 0x0000021
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>;
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};
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usdhc3_pins: pinctrl-usdhc3-grp {
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fsl,pins = <
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IMX8DXL_ENET0_RGMII_TXC_CONN_USDHC2_CLK 0x06000040
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IMX8DXL_ENET0_RGMII_TX_CTL_CONN_USDHC2_CMD 0x00000021
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IMX8DXL_ENET0_RGMII_TXD0_CONN_USDHC2_DATA0 0x00000021
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IMX8DXL_ENET0_RGMII_TXD1_CONN_USDHC2_DATA1 0x00000021
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IMX8DXL_ENET0_RGMII_TXD2_CONN_USDHC2_DATA2 0x00000021
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IMX8DXL_ENET0_RGMII_TXD3_CONN_USDHC2_DATA3 0x00000021
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>;
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};
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wifi_pins: pinctrl-wifi-grp {
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fsl,pins = <
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/* WL_REG_ON: io without pull (module integrates pd) */
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IMX8DXL_SPI3_SDI_LSIO_GPIO0_IO15 0x0000061
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>;
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};
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};
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&lpspi0 {
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cs-gpios = <&lsio_gpio1 8 GPIO_ACTIVE_LOW>, <&lsio_gpio1 7 GPIO_ACTIVE_LOW>;
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pinctrl-0 = <&lpspi0_pins>, <&switch_pins>;
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pinctrl-names = "default";
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status = "okay";
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ethernet-switch@0 {
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compatible = "nxp,sja1110a";
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reg = <0>;
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reset-gpios = <&lsio_gpio4 3 GPIO_ACTIVE_LOW>;
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spi-max-frequency = <4000000>;
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ethernet-ports {
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#address-cells = <1>;
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#size-cells = <0>;
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/* 100Base-TX on connector J26 */
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switch_port1: port@1 {
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reg = <0x1>;
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phy-handle = <&switch_port1_base_tx_phy>;
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phy-mode = "internal";
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};
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/* CPU */
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switch_port2: port@2 {
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reg = <0x2>;
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ethernet = <&eqos>;
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phy-mode = "rgmii-id";
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rx-internal-delay-ps = <2000>;
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tx-internal-delay-ps = <2000>;
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fixed-link {
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full-duplex;
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speed = <1000>;
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};
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};
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/* sgmii on addon board connector J21 */
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switch_port3: port@3 {
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reg = <0x3>;
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status = "disabled";
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};
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/* sgmii on addon board connector J21 */
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switch_port4: port@4 {
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reg = <0x4>;
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status = "disabled";
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};
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/* 100base-t1 on addon board connector J21 */
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switch_port5: port@5 {
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reg = <0x5>;
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phy-handle = <&switch_port5_base_t1_phy>;
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phy-mode = "internal";
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status = "disabled";
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};
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/* 100base-t1 on addon board connector J21 */
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switch_port6: port@6 {
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reg = <0x6>;
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phy-handle = <&switch_port6_base_t1_phy>;
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phy-mode = "internal";
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status = "disabled";
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};
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/* 100base-t1 on addon board connector J21 */
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switch_port7: port@7 {
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reg = <0x7>;
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phy-handle = <&switch_port7_base_t1_phy>;
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phy-mode = "internal";
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status = "disabled";
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};
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/* 100base-t1 on addon board connector J21 */
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switch_port8: port@8 {
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reg = <0x8>;
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phy-handle = <&switch_port8_base_t1_phy>;
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phy-mode = "internal";
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status = "disabled";
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};
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/* 100base-t1 on addon board connector J21 */
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switch_port9: port@9 {
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reg = <0x9>;
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phy-handle = <&switch_port9_base_t1_phy>;
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phy-mode = "internal";
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status = "disabled";
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};
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/* 100Base-T1 on connector J26 */
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switch_port10: port@a {
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reg = <0xa>;
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phy-handle = <&switch_port10_base_t1_phy>;
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phy-mode = "internal";
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};
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};
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mdios {
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#address-cells = <1>;
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#size-cells = <0>;
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mdio@0 {
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compatible = "nxp,sja1110-base-t1-mdio";
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reg = <0>;
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#address-cells = <1>;
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#size-cells = <0>;
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/* 100base-t1 on addon board connector J21 */
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switch_port5_base_t1_phy: ethernet-phy@1 {
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compatible = "ethernet-phy-ieee802.3-c45";
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reg = <0x1>;
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status = "disabled";
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};
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/* 100base-t1 on addon board connector J21 */
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switch_port6_base_t1_phy: ethernet-phy@2 {
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compatible = "ethernet-phy-ieee802.3-c45";
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reg = <0x2>;
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status = "disabled";
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};
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/* 100base-t1 on addon board connector J21 */
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switch_port7_base_t1_phy: ethernet-phy@3 {
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compatible = "ethernet-phy-ieee802.3-c45";
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reg = <0x3>;
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status = "disabled";
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};
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/* 100base-t1 on addon board connector J21 */
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switch_port8_base_t1_phy: ethernet-phy@4 {
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compatible = "ethernet-phy-ieee802.3-c45";
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reg = <0x4>;
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status = "disabled";
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};
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/* 100base-t1 on addon board connector J21 */
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switch_port9_base_t1_phy: ethernet-phy@5 {
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compatible = "ethernet-phy-ieee802.3-c45";
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reg = <0x5>;
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status = "disabled";
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};
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|
|
/* 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";
|
|
};
|