--- /dev/null
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2020 Protonic Holland
+ * Copyright 2019 NXP
+ */
+
+/dts-v1/;
+
+#include "imx8mp.dtsi"
+
+/ {
+ model = "Protonic PRT8ML";
+ compatible = "prt,prt8ml", "fsl,imx8mp";
+
+ chosen {
+ stdout-path = &uart4;
+ };
+
+ pcie_refclk: pcie0-refclk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <100000000>;
+ };
+
+ pcie_refclk_oe: pcie0-refclk-oe {
+ compatible = "gpio-gate-clock";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pcie_refclk>;
+ clocks = <&pcie_refclk>;
+ #clock-cells = <0>;
+ enable-gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>;
+ };
+};
+
+&A53_0 {
+ cpu-supply = <&fan53555>;
+};
+
+&A53_1 {
+ cpu-supply = <&fan53555>;
+};
+
+&A53_2 {
+ cpu-supply = <&fan53555>;
+};
+
+&A53_3 {
+ cpu-supply = <&fan53555>;
+};
+
+&a53_opp_table {
+ opp-1200000000 {
+ opp-microvolt = <900000>;
+ };
+
+ opp-1600000000 {
+ opp-microvolt = <980000>;
+ };
+
+ /* Power supply insuffient for 1.8 GHz */
+ /delete-node/ opp-1800000000;
+};
+
+&ecspi2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ecspi2>;
+ cs-gpios = <&gpio5 13 GPIO_ACTIVE_HIGH>;
+
+ /* Disable DMA to meet performance requirements */
+ /delete-property/ dmas;
+ /delete-property/ dma-names;
+ status = "okay";
+
+ switch@0 {
+ compatible = "nxp,sja1105q";
+ reg = <0>;
+ reset-gpios = <&gpio_exp_1 4 GPIO_ACTIVE_LOW>;
+ spi-cpha;
+ spi-max-frequency = <4000000>;
+ spi-rx-delay-us = <1>;
+ spi-tx-delay-us = <1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@3 {
+ reg = <3>;
+ label = "rj45";
+ phy-handle = <&rj45_phy>;
+ phy-mode = "rgmii-id";
+ };
+
+ port@4 {
+ reg = <4>;
+ ethernet = <&fec>;
+ label = "cpu";
+ phy-mode = "rgmii-id";
+ rx-internal-delay-ps = <2000>;
+ tx-internal-delay-ps = <2000>;
+
+ /* Unreliable at 1000Mbps, limit RGMII to 100Mbps */
+ fixed-link {
+ full-duplex;
+ speed = <100>;
+ };
+ };
+ };
+ };
+};
+
+&fec {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_fec>;
+ phy-mode = "rgmii"; /* switch inserts delay */
+ rx-internal-delay-ps = <0>;
+ tx-internal-delay-ps = <0>;
+ status = "okay";
+
+ fixed-link {
+ full-duplex;
+ speed = <100>;
+ };
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rj45_phy: ethernet-phy@2 {
+ reg = <2>;
+ reset-gpios = <&gpio_exp_1 1 GPIO_ACTIVE_LOW>;
+ reset-assert-us = <10000>;
+ reset-deassert-us = <80000>;
+ };
+ };
+};
+
+&flexcan1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan1>;
+ status = "okay";
+};
+
+&flexcan2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan2>;
+ status = "okay";
+};
+
+&i2c1 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1>;
+ status = "okay";
+
+ ak5558: codec@10 {
+ compatible = "asahi-kasei,ak5558";
+ reg = <0x10>;
+ reset-gpios = <&gpio_exp_1 2 GPIO_ACTIVE_LOW>;
+ };
+
+ gpio_exp_1: gpio@25 {
+ compatible = "nxp,pca9571";
+ reg = <0x25>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
+&i2c2 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c2>;
+ status = "okay";
+
+ tps65987ddh_0: usb-pd@20 {
+ compatible = "ti,tps6598x";
+ reg = <0x20>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_tps65987ddh_0>;
+ interrupts-extended = <&gpio1 12 IRQ_TYPE_LEVEL_LOW>;
+ };
+
+ gpio_exp_2: gpio@25 {
+ compatible = "nxp,pca9571";
+ reg = <0x25>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ c0-hreset-hog {
+ gpio-hog;
+ gpios = <7 GPIO_ACTIVE_LOW>;
+ line-name = "c0-hreset";
+ output-low;
+ };
+
+ c1-hreset-hog {
+ gpio-hog;
+ gpios = <6 GPIO_ACTIVE_LOW>;
+ line-name = "c1-hreset";
+ output-low;
+ };
+ };
+
+ fan53555: regulator@60 {
+ compatible = "fcs,fan53555";
+ reg = <0x60>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_fan53555>;
+ regulator-name = "fan53555";
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <980000>;
+ regulator-always-on;
+ regulator-boot-on;
+ fcs,suspend-voltage-selector = <1>;
+ };
+};
+
+&i2c3 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c3>;
+ status = "okay";
+
+ ak4458: codec@11 {
+ compatible = "asahi-kasei,ak4458";
+ reg = <0x11>;
+ #sound-dai-cells = <0>;
+ reset-gpios = <&gpio_exp_2 5 GPIO_ACTIVE_LOW>;
+ };
+
+ tps65987ddh_1: usb-pd@20 {
+ compatible = "ti,tps6598x";
+ reg = <0x20>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_tps65987ddh_1>;
+ interrupts-extended = <&gpio1 15 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
+
+&lcdif1 {
+ status = "okay";
+};
+
+&snvs_pwrkey {
+ status = "okay";
+};
+
+&uart4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart4>;
+ status = "okay";
+};
+
+&usb3_0 {
+ status = "okay";
+};
+
+&usb3_1 {
+ status = "okay";
+};
+
+&usb3_phy0 {
+ status = "okay";
+};
+
+&usb3_phy1 {
+ status = "okay";
+};
+
+&usb_dwc3_0 {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&usb_dwc3_1 {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&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>;
+ assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
+ assigned-clock-rates = <100000000>;
+ bus-width = <4>;
+ cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
+ no-1-8-v;
+ sd-uhs-sdr12;
+ sd-uhs-sdr25;
+ status = "okay";
+};
+
+&usdhc3 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc3>;
+ pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
+ assigned-clocks = <&clk IMX8MP_CLK_USDHC3_ROOT>;
+ assigned-clock-rates = <400000000>;
+ bus-width = <8>;
+ non-removable;
+ no-sdio;
+ no-sd;
+ status = "okay";
+};
+
+&wdog1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdog>;
+ fsl,ext-reset-output;
+ status = "okay";
+};
+
+&iomuxc {
+ pinctrl_ecspi2: ecspi2grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_ECSPI2_SCLK__ECSPI2_SCLK 0x154
+ MX8MP_IOMUXC_ECSPI2_MOSI__ECSPI2_MOSI 0x154
+ MX8MP_IOMUXC_ECSPI2_MISO__ECSPI2_MISO 0x154
+ MX8MP_IOMUXC_ECSPI2_SS0__GPIO5_IO13 0x154
+ >;
+ };
+
+ pinctrl_fan53555: fan53555grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SPDIF_EXT_CLK__GPIO5_IO05 0x114
+ >;
+ };
+
+ pinctrl_fec: fecgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI1_RXD2__ENET1_MDC 0x3
+ MX8MP_IOMUXC_SAI1_RXD3__ENET1_MDIO 0x3
+ MX8MP_IOMUXC_SAI1_RXD4__ENET1_RGMII_RD0 0x91
+ MX8MP_IOMUXC_SAI1_RXD5__ENET1_RGMII_RD1 0x91
+ MX8MP_IOMUXC_SAI1_RXD6__ENET1_RGMII_RD2 0x91
+ MX8MP_IOMUXC_SAI1_RXD7__ENET1_RGMII_RD3 0x91
+ MX8MP_IOMUXC_SAI1_TXC__ENET1_RGMII_RXC 0x91
+ MX8MP_IOMUXC_SAI1_TXFS__ENET1_RGMII_RX_CTL 0x91
+ MX8MP_IOMUXC_SAI1_TXD0__ENET1_RGMII_TD0 0x1f
+ MX8MP_IOMUXC_SAI1_TXD1__ENET1_RGMII_TD1 0x1f
+ MX8MP_IOMUXC_SAI1_TXD2__ENET1_RGMII_TD2 0x1f
+ MX8MP_IOMUXC_SAI1_TXD3__ENET1_RGMII_TD3 0x1f
+ MX8MP_IOMUXC_SAI1_TXD4__ENET1_RGMII_TX_CTL 0x1f
+ MX8MP_IOMUXC_SAI1_TXD5__ENET1_RGMII_TXC 0x1f
+ >;
+ };
+
+ pinctrl_flexcan1: flexcan1grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SPDIF_RX__CAN1_RX 0x154
+ MX8MP_IOMUXC_SPDIF_TX__CAN1_TX 0x154
+ >;
+ };
+
+ pinctrl_flexcan2: flexcan2grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_UART3_TXD__CAN2_RX 0x154
+ MX8MP_IOMUXC_UART3_RXD__CAN2_TX 0x154
+ >;
+ };
+
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_ECSPI1_SCLK__I2C1_SCL 0x400000c3
+ MX8MP_IOMUXC_ECSPI1_MOSI__I2C1_SDA 0x400000c3
+ >;
+ };
+
+ pinctrl_i2c2: i2c2grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400000c3
+ MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400000c3
+ >;
+ };
+
+ pinctrl_i2c3: i2c3grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400000c3
+ MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400000c3
+ >;
+ };
+
+ pinctrl_pcie_refclk: pcierefclkgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_UART1_TXD__GPIO5_IO23 0xc6
+ >;
+ };
+
+ pinctrl_tps65987ddh_0: tps65987ddh-0grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12 0x1d0
+ >;
+ };
+
+ pinctrl_tps65987ddh_1: tps65987ddh-1grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15 0x1d0
+ >;
+ };
+
+ pinctrl_uart4: uart4grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_UART4_RXD__UART4_DCE_RX 0x040
+ MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX 0x040
+ >;
+ };
+
+ 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_usdhc2_gpio: usdhc2-gpiogrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12 0x0d4
+ >;
+ };
+
+ 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 0x166
+ >;
+ };
+};