arm: dts: imx8mq: add MNT Reform 2

Device tree taken from Linux v5.16-rc5.

Signed-off-by: Patrick Wildt <patrick@blueri.se>
Reviewed-by: Fabio Estevam <festevam@gmail.com>

3 files changed, 490 insertions, 0 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 086533b..5126ea8 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -918,6 +918,7 @@ dtb-$(CONFIG_ARCH_IMX8M) += \
 	imx8mq-evk.dtb \
 	imx8mm-beacon-kit.dtb \
 	imx8mn-beacon-kit.dtb \
+	imx8mq-mnt-reform2.dtb \
 	imx8mq-phanbell.dtb \
 	imx8mp-evk.dtb \
 	imx8mp-phyboard-pollux-rdk.dtb \
diff --git a/arch/arm/dts/imx8mq-mnt-reform2.dts b/arch/arm/dts/imx8mq-mnt-reform2.dts
new file mode 100644
index 0000000..4f2db61
--- /dev/null
+++ b/arch/arm/dts/imx8mq-mnt-reform2.dts
@@ -0,0 +1,214 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/*
+ * Copyright 2019-2021 MNT Research GmbH
+ * Copyright 2021 Lucas Stach <dev@lynxeye.de>
+ */
+
+/dts-v1/;
+
+#include "imx8mq-nitrogen-som.dtsi"
+
+/ {
+	model = "MNT Reform 2";
+	compatible = "mntre,reform2", "boundary,imx8mq-nitrogen8m-som", "fsl,imx8mq";
+
+	pcie1_refclk: clock-pcie1-refclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <100000000>;
+	};
+
+	reg_main_5v: regulator-main-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	reg_main_3v3: regulator-main-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	reg_main_usb: regulator-main-usb {
+		compatible = "regulator-fixed";
+		regulator-name = "USB_PWR";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&reg_main_5v>;
+	};
+
+	sound {
+		compatible = "fsl,imx-audio-wm8960";
+		audio-cpu = <&sai2>;
+		audio-codec = <&wm8960>;
+		audio-routing =
+			"Headphone Jack", "HP_L",
+			"Headphone Jack", "HP_R",
+			"Ext Spk", "SPK_LP",
+			"Ext Spk", "SPK_LN",
+			"Ext Spk", "SPK_RP",
+			"Ext Spk", "SPK_RN",
+			"LINPUT1", "Mic Jack",
+			"Mic Jack", "MICB",
+			"LINPUT2", "Line In Jack",
+			"RINPUT2", "Line In Jack";
+		model = "wm8960-audio";
+	};
+};
+
+&fec1 {
+	status = "okay";
+};
+
+&i2c3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3>;
+	status = "okay";
+
+	wm8960: codec@1a {
+		compatible = "wlf,wm8960";
+		reg = <0x1a>;
+		clocks = <&clk IMX8MQ_CLK_SAI2_ROOT>;
+		clock-names = "mclk";
+		#sound-dai-cells = <0>;
+	};
+
+	rtc@68 {
+		compatible = "nxp,pcf8523";
+		reg = <0x68>;
+	};
+};
+
+&pcie1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pcie1>;
+	reset-gpio = <&gpio3 23 GPIO_ACTIVE_LOW>;
+	clocks = <&clk IMX8MQ_CLK_PCIE2_ROOT>,
+		 <&clk IMX8MQ_CLK_PCIE2_AUX>,
+		 <&clk IMX8MQ_CLK_PCIE2_PHY>,
+		 <&pcie1_refclk>;
+	clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus";
+	status = "okay";
+};
+
+&reg_1p8v {
+	vin-supply = <&reg_main_5v>;
+};
+
+&reg_snvs {
+	vin-supply = <&reg_main_5v>;
+};
+
+&reg_arm_dram {
+	vin-supply = <&reg_main_5v>;
+};
+
+&reg_dram_1p1v {
+	vin-supply = <&reg_main_5v>;
+};
+
+&reg_soc_gpu_vpu {
+	vin-supply = <&reg_main_5v>;
+};
+
+&sai2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sai2>;
+	assigned-clocks = <&clk IMX8MQ_CLK_SAI2>;
+	assigned-clock-parents = <&clk IMX8MQ_CLK_25M>;
+	assigned-clock-rates = <25000000>;
+	fsl,sai-mclk-direction-output;
+	fsl,sai-asynchronous;
+	status = "okay";
+};
+
+&snvs_rtc {
+	status = "disabled";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2>;
+	status = "okay";
+};
+
+&usb3_phy0 {
+	vbus-supply = <&reg_main_usb>;
+	status = "okay";
+};
+
+&usb3_phy1 {
+	vbus-supply = <&reg_main_usb>;
+	status = "okay";
+};
+
+&usb_dwc3_0 {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usb_dwc3_1 {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usdhc2 {
+	assigned-clocks = <&clk IMX8MQ_CLK_USDHC2>;
+	assigned-clock-rates = <200000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc2>;
+	vqmmc-supply = <&reg_main_3v3>;
+	vmmc-supply = <&reg_main_3v3>;
+	bus-width = <4>;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_i2c3: i2c3grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_I2C3_SCL_I2C3_SCL			0x4000007f
+			MX8MQ_IOMUXC_I2C3_SDA_I2C3_SDA			0x4000007f
+		>;
+	};
+
+	pinctrl_pcie1: pcie1grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_SAI5_RXD2_GPIO3_IO23		0x16
+		>;
+	};
+
+	pinctrl_sai2: sai2grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_SAI2_RXD0_SAI2_RX_DATA0		0xd6
+			MX8MQ_IOMUXC_SAI2_RXFS_SAI2_RX_SYNC		0xd6
+			MX8MQ_IOMUXC_SAI2_TXC_SAI2_TX_BCLK		0xd6
+			MX8MQ_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC		0xd6
+			MX8MQ_IOMUXC_SAI2_RXC_SAI2_RX_BCLK		0xd6
+			MX8MQ_IOMUXC_SAI2_MCLK_SAI2_MCLK		0xd6
+			MX8MQ_IOMUXC_SAI2_TXD0_SAI2_TX_DATA0		0xd6
+		>;
+	};
+
+	pinctrl_uart2: uart2grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_UART2_RXD_UART2_DCE_RX		0x45
+			MX8MQ_IOMUXC_UART2_TXD_UART2_DCE_TX		0x45
+		>;
+	};
+
+	pinctrl_usdhc2: usdhc2grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_SD2_CD_B_USDHC2_CD_B		0x0
+			MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK			0x83
+			MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD			0xc3
+			MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0		0xc3
+			MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1		0xc3
+			MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2		0xc3
+			MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3		0xc3
+		>;
+	};
+};
diff --git a/arch/arm/dts/imx8mq-nitrogen-som.dtsi b/arch/arm/dts/imx8mq-nitrogen-som.dtsi
new file mode 100644
index 0000000..36fc428
--- /dev/null
+++ b/arch/arm/dts/imx8mq-nitrogen-som.dtsi
@@ -0,0 +1,275 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2018 Boundary Devices
+ * Copyright 2021 Lucas Stach <dev@lynxeye.de>
+ */
+
+#include "imx8mq.dtsi"
+
+/ {
+	model = "Boundary Devices i.MX8MQ Nitrogen8M";
+	compatible = "boundary,imx8mq-nitrogen8m-som", "fsl,imx8mq";
+
+	chosen {
+		stdout-path = &uart1;
+	};
+
+	reg_1p8v: regulator-fixed-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "1P8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	reg_snvs: regulator-fixed-snvs {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_SNVS";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+};
+
+&{/opp-table/opp-800000000} {
+	opp-microvolt = <1000000>;
+};
+
+&{/opp-table/opp-1000000000} {
+	opp-microvolt = <1000000>;
+};
+
+&A53_0 {
+	cpu-supply = <&reg_arm_dram>;
+};
+
+&A53_1 {
+	cpu-supply = <&reg_arm_dram>;
+};
+
+&A53_2 {
+	cpu-supply = <&reg_arm_dram>;
+};
+
+&A53_3 {
+	cpu-supply = <&reg_arm_dram>;
+};
+
+&fec1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_fec1>;
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethphy0>;
+	fsl,magic-packet;
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy0: ethernet-phy@4 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <4>;
+			interrupt-parent = <&gpio1>;
+			interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+		};
+	};
+};
+
+&i2c1 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c1>;
+	status = "okay";
+
+	i2c-mux@70 {
+		compatible = "nxp,pca9546";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2c1_pca9546>;
+		reg = <0x70>;
+		reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		i2c1a: i2c@0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			reg_arm_dram: regulator@60 {
+				compatible = "fcs,fan53555";
+				reg = <0x60>;
+				regulator-name = "VDD_ARM_DRAM_1V";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+			};
+		};
+
+		i2c1b: i2c@1 {
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			reg_dram_1p1v: regulator@60 {
+				compatible = "fcs,fan53555";
+				reg = <0x60>;
+				regulator-name = "NVCC_DRAM_1P1V";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-always-on;
+			};
+		};
+
+		i2c1c: i2c@2 {
+			reg = <2>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			reg_soc_gpu_vpu: regulator@60 {
+				compatible = "fcs,fan53555";
+				reg = <0x60>;
+				regulator-name = "VDD_SOC_GPU_VPU";
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
+				regulator-always-on;
+			};
+		};
+
+		i2c1d: i2c@3 {
+			reg = <3>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
+};
+
+&pgc_gpu {
+	power-supply = <&reg_soc_gpu_vpu>;
+};
+
+&pgc_vpu {
+	power-supply = <&reg_soc_gpu_vpu>;
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	status = "okay";
+};
+
+&usdhc1 {
+	assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>;
+	assigned-clock-rates = <400000000>;
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc1>;
+	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+	vqmmc-supply = <&reg_1p8v>;
+	vmmc-supply = <&reg_snvs>;
+	bus-width = <8>;
+	non-removable;
+	no-mmc-hs400;
+	no-sdio;
+	no-sd;
+	status = "okay";
+};
+
+&wdog1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog>;
+	fsl,ext-reset-output;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_fec1: fec1grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_ENET_MDC_ENET1_MDC			0x3
+			MX8MQ_IOMUXC_ENET_MDIO_ENET1_MDIO		0x23
+			MX8MQ_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL	0x1f
+			MX8MQ_IOMUXC_ENET_TXC_ENET1_RGMII_TXC		0x1f
+			MX8MQ_IOMUXC_ENET_TD0_ENET1_RGMII_TD0		0x1f
+			MX8MQ_IOMUXC_ENET_TD1_ENET1_RGMII_TD1		0x1f
+			MX8MQ_IOMUXC_ENET_TD2_ENET1_RGMII_TD2		0x1f
+			MX8MQ_IOMUXC_ENET_TD3_ENET1_RGMII_TD3		0x1f
+			MX8MQ_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL	0x91
+			MX8MQ_IOMUXC_ENET_RXC_ENET1_RGMII_RXC		0x91
+			MX8MQ_IOMUXC_ENET_RD0_ENET1_RGMII_RD0		0x91
+			MX8MQ_IOMUXC_ENET_RD1_ENET1_RGMII_RD1		0x91
+			MX8MQ_IOMUXC_ENET_RD2_ENET1_RGMII_RD2		0x91
+			MX8MQ_IOMUXC_ENET_RD3_ENET1_RGMII_RD3		0x91
+			MX8MQ_IOMUXC_GPIO1_IO09_GPIO1_IO9		0x19
+			MX8MQ_IOMUXC_GPIO1_IO11_GPIO1_IO11		0x59
+		>;
+	};
+
+	pinctrl_i2c1: i2c1grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL			0x4000007f
+			MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA			0x4000007f
+		>;
+	};
+
+	pinctrl_i2c1_pca9546: i2c1-pca9546grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_GPIO1_IO08_GPIO1_IO8		0x49
+		>;
+	};
+
+	pinctrl_uart1: uart1grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_UART1_RXD_UART1_DCE_RX		0x45
+			MX8MQ_IOMUXC_UART1_TXD_UART1_DCE_TX		0x45
+		>;
+	};
+
+	pinctrl_usdhc1: usdhc1grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK			0x83
+			MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD			0xc3
+			MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0		0xc3
+			MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1		0xc3
+			MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2		0xc3
+			MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3		0xc3
+			MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4		0xc3
+			MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5		0xc3
+			MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6		0xc3
+			MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7		0xc3
+			MX8MQ_IOMUXC_SD1_RESET_B_USDHC1_RESET_B		0xc1
+		>;
+	};
+
+	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK			0x8d
+			MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD			0xcd
+			MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0		0xcd
+			MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1		0xcd
+			MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2		0xcd
+			MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3		0xcd
+			MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4		0xcd
+			MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5		0xcd
+			MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6		0xcd
+			MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7		0xcd
+		>;
+	};
+
+	pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK			0x9f
+			MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD			0xdf
+			MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0		0xdf
+			MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1		0xdf
+			MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2		0xdf
+			MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3		0xdf
+			MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4		0xdf
+			MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5		0xdf
+			MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6		0xdf
+			MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7		0xdf
+		>;
+	};
+
+	pinctrl_wdog: wdoggrp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B		0xc6
+		>;
+	};
+};