Files
2026-09-06 12:53:21 -06:00

394 lines
9.6 KiB
Devicetree

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright 2025 Josua Mayer <josua@solid-run.com>
*/
#include <dt-bindings/phy/phy-imx8-pcie.h>
#include "imx8mm.dtsi"
/ {
compatible = "solidrun,imx8mm-sr-som", "fsl,imx8mm";
model = "SolidRun i.MX8MM SoM";
chosen {
bootargs = "earlycon=ec_imx6q,0x30890000,115200";
stdout-path = &uart2;
};
v_1_8: regulator-1-8 {
compatible = "regulator-fixed";
regulator-name = "1v8";
regulator-max-microvolt = <1800000>;
regulator-min-microvolt = <1800000>;
};
v_3_3: regulator-3-3 {
compatible = "regulator-fixed";
regulator-name = "3v3";
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
};
usdhc1_pwrseq: usdhc1-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
};
memory@40000000 {
reg = <0x0 0x40000000 0 0x80000000>;
device_type = "memory";
};
};
&fec1 {
phy = <&phy0>;
phy-mode = "rgmii-id";
pinctrl-0 = <&fec1_pins>;
pinctrl-names = "default";
status = "okay";
mdio {
#address-cells = <1>;
#size-cells = <0>;
phy0: ethernet-phy@4 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <0x4>;
phy-reset-duration = <10>;
reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
vddio-supply = <&vddio>;
qca,smarteee-tw-us-1g = <24>;
vddio: vddio-regulator {
regulator-max-microvolt = <1800000>;
regulator-min-microvolt = <1800000>;
};
};
};
};
&i2c1 {
clock-frequency = <400000>;
pinctrl-0 = <&i2c1_pins>;
pinctrl-names = "default";
status = "okay";
pmic@4b {
compatible = "rohm,bd71847";
reg = <0x4b>;
interrupt-parent = <&gpio1>;
interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
clocks = <&osc_32k>;
#clock-cells = <0>;
clock-output-names = "clk-32k-out";
pinctrl-0 = <&pmic_pins>;
pinctrl-names = "default";
rohm,reset-snvs-powered;
regulators {
buck1_reg: BUCK1 {
regulator-name = "buck1";
regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <1300000>;
regulator-min-microvolt = <700000>;
regulator-ramp-delay = <1250>;
};
buck2_reg: BUCK2 {
regulator-name = "buck2";
regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <1300000>;
regulator-min-microvolt = <700000>;
regulator-ramp-delay = <1250>;
rohm,dvs-idle-voltage = <900000>;
rohm,dvs-run-voltage = <1000000>;
};
buck3_reg: BUCK3 {
// BUCK5 in datasheet
regulator-name = "buck3";
regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <1350000>;
regulator-min-microvolt = <700000>;
};
buck4_reg: BUCK4 {
// BUCK6 in datasheet
regulator-name = "buck4";
regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3000000>;
};
buck5_reg: BUCK5 {
// BUCK7 in datasheet
regulator-name = "buck5";
regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <1995000>;
regulator-min-microvolt = <1605000>;
};
buck6_reg: BUCK6 {
// BUCK8 in datasheet
regulator-name = "buck6";
regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <1400000>;
regulator-min-microvolt = <800000>;
};
ldo1_reg: LDO1 {
regulator-name = "ldo1";
regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <1600000>;
};
ldo2_reg: LDO2 {
regulator-name = "ldo2";
regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <900000>;
regulator-min-microvolt = <800000>;
};
ldo3_reg: LDO3 {
regulator-name = "ldo3";
regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <1800000>;
};
ldo4_reg: LDO4 {
regulator-name = "ldo4";
regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <1800000>;
regulator-min-microvolt = <900000>;
};
ldo6_reg: LDO6 {
regulator-name = "ldo6";
regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <1800000>;
regulator-min-microvolt = <900000>;
};
};
};
som_eeprom: eeprom@50 {
compatible = "st,24c01", "atmel,24c01";
reg = <0x50>;
pagesize = <16>;
};
};
&iomuxc {
fec1_pins: pinctrl-fec1-grp {
fsl,pins = <
MX8MM_IOMUXC_ENET_MDC_ENET1_MDC 0x3
MX8MM_IOMUXC_ENET_MDIO_ENET1_MDIO 0x3
MX8MM_IOMUXC_ENET_TD3_ENET1_RGMII_TD3 0x1f
MX8MM_IOMUXC_ENET_TD2_ENET1_RGMII_TD2 0x1f
MX8MM_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x1f
MX8MM_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x1f
MX8MM_IOMUXC_ENET_RD3_ENET1_RGMII_RD3 0x91
MX8MM_IOMUXC_ENET_RD2_ENET1_RGMII_RD2 0x91
MX8MM_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x91
MX8MM_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x91
MX8MM_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x1f
MX8MM_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0x91
MX8MM_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91
MX8MM_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f
MX8MM_IOMUXC_SAI2_RXC_GPIO4_IO22 0x19
>;
};
i2c1_pins: pinctrl-i2c1-grp {
fsl,pins = <
MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3
MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3
>;
};
pcie_pins: pinctrl-pcie-grp {
fsl,pins = <
MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x0
>;
};
pmic_pins: pinctrl-pmic-grp {
fsl,pins = <
MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x140
>;
};
uart1_pins: pinctrl-uart1-grp {
fsl,pins = <
MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX 0x140
MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX 0x140
MX8MM_IOMUXC_UART3_RXD_UART1_DCE_CTS_B 0x140
MX8MM_IOMUXC_UART3_TXD_UART1_DCE_RTS_B 0x140
/* BT_REG_ON */
MX8MM_IOMUXC_SD1_DATA4_GPIO2_IO6 0x0
/* BT_WAKE_DEV */
MX8MM_IOMUXC_SD1_DATA5_GPIO2_IO7 0x0
/* BT_WAKE_HOST */
MX8MM_IOMUXC_SD1_DATA6_GPIO2_IO8 0x100
>;
};
uart2_pins: pinctrl-uart2-grp {
fsl,pins = <
MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140
MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140
>;
};
usdhc1_pins: pinctrl-usdhc1-grp {
fsl,pins = <
MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x190
MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d0
MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d0
MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d0
MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d0
MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d0
/* wifi refclk */
MX8MM_IOMUXC_GPIO1_IO00_ANAMIX_REF_CLK_32K 0x0
/* WL_REG_ON */
MX8MM_IOMUXC_SD1_RESET_B_GPIO2_IO10 0x0
/* WL_WAKE_HOST */
MX8MM_IOMUXC_SD1_DATA7_GPIO2_IO9 0x100
>;
};
usdhc3_100mhz_pins: pinctrl-usdhc3-100mhz-grp {
fsl,pins = <
MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x194
MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d4
MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x194
>;
};
usdhc3_200mhz_pins: pinctrl-usdhc3-200mhz-grp {
fsl,pins = <
MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x196
MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d6
MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d6
MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d6
MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d6
MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d6
MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d6
MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d6
MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d6
MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d6
MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x196
>;
};
usdhc3_pins: pinctrl-usdhc3-grp {
fsl,pins = <
MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x190
MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d0
MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d0
MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d0
MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0
MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d0
MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d0
MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d0
MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d0
MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d0
MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x190
>;
};
wdog1_pins: pinctrl-wdog1-grp {
fsl,pins = <
MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x140
>;
};
};
/* assembly-option for AI accelerator on SoM, otherwise routed to carrier */
&pcie0 {
pinctrl-0 = <&pcie_pins>;
pinctrl-names = "default";
reset-gpios = <&gpio1 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
status = "okay";
};
&pcie_phy {
fsl,clkreq-unsupported;
fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_OUTPUT>;
status = "okay";
};
&uart1 {
/* select 80MHz parent clock to support maximum baudrate 4Mbps */
assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_80M>;
assigned-clocks = <&clk IMX8MM_CLK_UART1>;
pinctrl-0 = <&uart1_pins>;
pinctrl-names = "default";
uart-has-rtscts;
status = "okay";
bluetooth {
compatible = "brcm,bcm4330-bt";
device-wakeup-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
host-wakeup-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>;
max-speed = <3000000>;
shutdown-gpios = <&gpio2 6 GPIO_ACTIVE_HIGH>;
};
};
&uart2 {
pinctrl-0 = <&uart2_pins>;
pinctrl-names = "default";
status = "okay";
};
&usdhc1 {
bus-width = <4>;
mmc-pwrseq = <&usdhc1_pwrseq>;
pinctrl-0 = <&usdhc1_pins>;
pinctrl-names = "default";
vmmc-supply = <&v_3_3>;
vqmmc-supply = <&v_1_8>;
status = "okay";
};
&usdhc3 {
bus-width = <8>;
non-removable;
pinctrl-0 = <&usdhc3_pins>;
pinctrl-1 = <&usdhc3_100mhz_pins>;
pinctrl-2 = <&usdhc3_200mhz_pins>;
pinctrl-names = "default", "state_100mhz", "state_200mhz";
vmmc-supply = <&v_3_3>;
vqmmc-supply = <&v_1_8>;
status = "okay";
};
&wdog1 {
pinctrl-0 = <&wdog1_pins>;
pinctrl-names = "default";
status = "okay";
};