// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright 2024 Variscite Ltd.
*
* Author: Tarang Raval <tarang.raval@siliconsignals.io>
*/
/dts-v1/;
#include <dt-bindings/phy/phy-imx8-pcie.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/usb/pd.h>
#include "imx8mp.dtsi"
/ {
model = "Variscite VAR-SOM-MX8M Plus module";
chosen {
stdout-path = &uart2;
};
gpio-leds {
compatible = "gpio-leds";
led-0 {
function = LED_FUNCTION_POWER;
gpios = <&pca9534 0 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
};
};
memory@40000000 {
device_type = "memory";
reg = <0x0 0x40000000 0 0xc0000000>,
<0x1 0x00000000 0 0xc0000000>;
};
reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
compatible = "regulator-fixed";
regulator-name = "VSD_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpio4 22 GPIO_ACTIVE_HIGH>;
enable-active-high;
startup-delay-us = <100>;
off-on-delay-us = <12000>;
};
reg_usdhc2_vqmmc: regulator-usdhc2-vqmmc {
compatible = "regulator-gpio";
regulator-name = "VSD_VSEL";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpio2 12 GPIO_ACTIVE_HIGH>;
states = <3300000 0x0 1800000 0x1>;
vin-supply = <&ldo5>;
};
reg_phy_supply: regulator-phy-supply {
compatible = "regulator-fixed";
regulator-name = "phy-supply";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-enable-ramp-delay = <20000>;
gpio = <&gpio2 20 GPIO_ACTIVE_HIGH>;
enable-active-high;
regulator-always-on;
};
reg_phy_vddio: regulator-phy-vddio {
compatible = "regulator-fixed";
regulator-name = "vddio-1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
};
&A53_0 {
cpu-supply = <&buck2>;
};
&A53_1 {
cpu-supply = <&buck2>;
};
&A53_2 {
cpu-supply = <&buck2>;
};
&A53_3 {
cpu-supply = <&buck2>;
};
&eqos {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_eqos>;
/*
* The required RGMII TX and RX 2ns delays are implemented directly
* in hardware via passive delay elements on the SOM PCB.
* No delay configuration is needed in software via PHY driver.
*/
phy-mode = "rgmii";
phy-handle = <ðphy0>;
status = "okay";
mdio {
compatible = "snps,dwmac-mdio";
#address-cells = <1>;
#size-cells = <0>;
ethphy0: ethernet-phy@4 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <4>;
reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
reset-assert-us = <10000>;
reset-deassert-us = <100000>;
vddio-supply = <®_phy_vddio>;
leds {
#address-cells = <1>;
#size-cells = <0>;
led@0 {
reg = <0>;
color = <LED_COLOR_ID_YELLOW>;
function = LED_FUNCTION_LAN;
linux,default-trigger = "netdev";
};
led@1 {
reg = <1>;
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_LAN;
linux,default-trigger = "netdev";
};
};
};
};
};
&i2c1 {
clock-frequency = <400000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
status = "okay";
pmic@25 {
compatible = "nxp,pca9450c";
reg = <0x25>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pmic>;
interrupt-parent = <&gpio5>;
interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
regulators {
buck1: BUCK1 {
regulator-name = "BUCK1";
regulator-min-microvolt = <600000>;
regulator-max-microvolt = <2187500>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <3125>;
};
buck2: BUCK2 {
regulator-name = "BUCK2";
regulator-min-microvolt = <600000>;
regulator-max-microvolt = <2187500>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <3125>;
nxp,dvs-run-voltage = <950000>;
nxp,dvs-standby-voltage = <850000>;
};
buck4: BUCK4 {
regulator-name = "BUCK4";
regulator-min-microvolt = <600000>;
regulator-max-microvolt = <3400000>;
regulator-boot-on;
regulator-always-on;
};
buck5: BUCK5 {
regulator-name = "BUCK5";
regulator-min-microvolt = <600000>;
regulator-max-microvolt = <3400000>;
regulator-boot-on;
regulator-always-on;
};
buck6: BUCK6 {
regulator-name = "BUCK6";
regulator-min-microvolt = <600000>;
regulator-max-microvolt = <3400000>;
regulator-boot-on;
regulator-always-on;
};
ldo1: LDO1 {
regulator-name = "LDO1";
regulator-min-microvolt = <1600000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo2: LDO2 {
regulator-name = "LDO2";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1150000>;
regulator-boot-on;
regulator-always-on;
};
ldo3: LDO3 {
regulator-name = "LDO3";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo4: LDO4 {
regulator-name = "LDO4";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
ldo5: LDO5 {
regulator-name = "LDO5";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
};
};
};
&i2c3 {
clock-frequency = <400000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
status = "okay";
/* GPIO expander */
pca9534: gpio@20 {
compatible = "nxp,pca9534";
reg = <0x20>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pca9534>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
wakeup-source;
usb3-sata-sel-hog {
gpio-hog;
gpios = <4 0>;
output-low;
line-name = "usb3_sata_sel";
};
};
};
/* Console */
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2>;
status = "okay";
};
/* SD-card */
&usdhc2 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
cd-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
vmmc-supply = <®_usdhc2_vmmc>;
vqmmc-supply = <®_usdhc2_vqmmc>;
bus-width = <4>;
status = "okay";
};
/* eMMC */
&usdhc3 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc3>;
pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
bus-width = <8>;
non-removable;
status = "okay";
};
&wdog1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wdog>;
fsl,ext-reset-output;
status = "okay";
};
&iomuxc {
pinctrl_eqos: eqosgrp {
fsl,pins = <
MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC 0x2
MX8MP_IOMUXC_ENET_MDIO__ENET_QOS_MDIO 0x2
MX8MP_IOMUXC_ENET_RD0__ENET_QOS_RGMII_RD0 0x90
MX8MP_IOMUXC_ENET_RD1__ENET_QOS_RGMII_RD1 0x90
MX8MP_IOMUXC_ENET_RD2__ENET_QOS_RGMII_RD2 0x90
MX8MP_IOMUXC_ENET_RD3__ENET_QOS_RGMII_RD3 0x90
MX8MP_IOMUXC_ENET_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK 0x90
MX8MP_IOMUXC_ENET_RX_CTL__ENET_QOS_RGMII_RX_CTL 0x90
MX8MP_IOMUXC_ENET_TD0__ENET_QOS_RGMII_TD0 0x16
MX8MP_IOMUXC_ENET_TD1__ENET_QOS_RGMII_TD1 0x16
MX8MP_IOMUXC_ENET_TD2__ENET_QOS_RGMII_TD2 0x16
MX8MP_IOMUXC_ENET_TD3__ENET_QOS_RGMII_TD3 0x16
MX8MP_IOMUXC_ENET_TX_CTL__ENET_QOS_RGMII_TX_CTL 0x16
MX8MP_IOMUXC_ENET_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK 0x16
MX8MP_IOMUXC_SD2_WP__GPIO2_IO20 0x10
MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10 0x150
>;
};
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX8MP_IOMUXC_SD1_DATA4__I2C1_SCL 0x400001c2
MX8MP_IOMUXC_SD1_DATA5__I2C1_SDA 0x400001c2
>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2
MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400001c2
>;
};
pinctrl_pca9534: pca9534grp {
fsl,pins = <
MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15 0xc0
>;
};
pinctrl_pmic: pmicgrp {
fsl,pins = <
MX8MP_IOMUXC_SPDIF_RX__GPIO5_IO04 0x1c0
>;
};
pinctrl_uart2: uart2grp {
fsl,pins = <
MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x40
MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX 0x40
>;
};
pinctrl_usdhc2_gpio: usdhc2-gpiogrp {
fsl,pins = <
MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14 0x1c4
MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22 0x10
MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12 0xc0
>;
};
pinctrl_usdhc2: usdhc2grp {
fsl,pins = <
MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x190
MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d0
MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d0
MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d0
MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d0
MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d0
>;
};
pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
fsl,pins = <
MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x194
MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d4
MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d4
MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d4
MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d4
MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d4
>;
};
pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
fsl,pins = <
MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x196
MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d6
MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d6
MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d6
MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d6
MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d6
>;
};
pinctrl_usdhc3: usdhc3grp {
fsl,pins = <
MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x190
MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d0
MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d0
MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d0
MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d0
MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d0
MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d0
MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d0
MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d0
MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d0
MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x190
>;
};
pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
fsl,pins = <
MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x194
MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d4
MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d4
MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d4
MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d4
MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d4
MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d4
MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d4
MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d4
MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d4
MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x194
>;
};
pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
fsl,pins = <
MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x196
MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d6
MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d6
MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d6
MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d6
MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d6
MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d6
MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d6
MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d6
MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d6
MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x196
>;
};
pinctrl_wdog: wdoggrp {
fsl,pins = <
MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B 0xc6
>;
};
};
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