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arm64: dts: imx8mm: Add Engicam i.Core MX8M Mini SoM
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i.Core MX8M Mini is an EDIMM SoM based on NXP i.MX8M Mini
from Engicam.

General features:
- NXP i.MX8M Mini
- Up to 2GB LDDR4
- 8/16GB eMMC
- Gigabit Ethernet
- USB 2.0 Host/OTG
- PCIe Gen2 interface
- I2S
- MIPI DSI to LVDS
- rest of i.MX8M Mini features

i.Core MX8M Mini needs to mount on top of Engicam baseboards
for creating complete platform solutions.

Add support for it.

Signed-off-by: Matteo Lisi <matteo.lisi@engicam.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Jagan Teki authored and Shawn Guo committed Mar 15, 2021
1 parent 4e43cd6 commit 60ac352
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232 changes: 232 additions & 0 deletions arch/arm64/boot/dts/freescale/imx8mm-icore-mx8mm.dtsi
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2018 NXP
* Copyright (c) 2019 Engicam srl
* Copyright (c) 2020 Amarula Solutons(India)
*/

/ {
compatible = "engicam,icore-mx8mm", "fsl,imx8mm";
};

&A53_0 {
cpu-supply = <&reg_buck4>;
};

&A53_1 {
cpu-supply = <&reg_buck4>;
};

&A53_2 {
cpu-supply = <&reg_buck4>;
};

&A53_3 {
cpu-supply = <&reg_buck4>;
};

&fec1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_fec1>;
phy-mode = "rgmii-id";
phy-handle = <&ethphy>;

mdio {
#address-cells = <1>;
#size-cells = <0>;

ethphy: ethernet-phy@3 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <3>;
reset-gpios = <&gpio3 7 GPIO_ACTIVE_LOW>;
reset-assert-us = <10000>;
};
};
};

&i2c1 {
clock-frequency = <400000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
status = "okay";

pmic@8 {
compatible = "nxp,pf8121a";
reg = <0x08>;

regulators {
reg_ldo1: ldo1 {
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
regulator-boot-on;
};

reg_ldo2: ldo2 {
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
regulator-boot-on;
};

reg_ldo3: ldo3 {
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
regulator-boot-on;
};

reg_ldo4: ldo4 {
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
regulator-boot-on;
};

reg_buck1: buck1 {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};

reg_buck2: buck2 {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};

reg_buck3: buck3 {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};

reg_buck4: buck4 {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};

reg_buck5: buck5 {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};

reg_buck6: buck6 {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};

reg_buck7: buck7 {
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
};

reg_vsnvs: vsnvs {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
};
};
};
};

&iomuxc {
pinctrl_fec1: fec1grp {
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_NAND_DATA01_GPIO3_IO7 0x19
>;
};

pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3
MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3
>;
};

pinctrl_usdhc3: usdhc3grp {
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_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
>;
};

pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
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
>;
};

pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
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
>;
};
};

/* 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";
};

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