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Subject[PATCH v4 2/3] arm64: dts: imx: Add i.mx8mm nitrogen8mm basic dts support
Date
Tested with a basic Build Root configuration booting from sdcard.

Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com>
---
arch/arm64/boot/dts/freescale/Makefile | 1 +
.../dts/freescale/imx8mm-nitrogen8mm_rev2.dts | 415 ++++++++++++++++++
2 files changed, 416 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-nitrogen8mm_rev2.dts

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 38559943c15d..398b5cb4f3e2 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -49,6 +49,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-devkit.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-r2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-r3.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-nitrogen.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mm-nitrogen8mm_rev2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-phanbell.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-pico-pi.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-thor96.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen8mm_rev2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen8mm_rev2.dts
new file mode 100644
index 000000000000..e89fbf512f9e
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen8mm_rev2.dts
@@ -0,0 +1,415 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree file for Boundary Devices i.MX8MMini Nitrogen8MM Rev2 board.
+ * Adrien Grassein <adrien.grassein@gmail.com.com>
+ */
+/dts-v1/;
+#include "imx8mm.dtsi"
+
+/ {
+ model = "Boundary Devices i.MX8MMini Nitrogen8MM Rev2";
+ compatible = "boundary,imx8mm-nitrogen8mm", "fsl,imx8mm";
+};
+
+&A53_0 {
+ cpu-supply = <&reg_sw3>;
+};
+
+&A53_1 {
+ cpu-supply = <&reg_sw3>;
+};
+
+&A53_2 {
+ cpu-supply = <&reg_sw3>;
+};
+
+&A53_3 {
+ cpu-supply = <&reg_sw3>;
+};
+
+&fec1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_fec1>;
+
+ phy-mode = "rgmii-id";
+ phy-handle = <&ethphy0>;
+ fsl,magic-packet;
+ status = "okay";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ ethphy0: ethernet-phy@4 {
+ compatible = "ethernet-phy-id004d.d072",
+ "ethernet-phy-ieee802.3-c22";
+ reg = <4>;
+ interrupts-extended = <&gpio3 16 IRQ_TYPE_LEVEL_LOW>;
+ };
+ };
+};
+
+&i2c1 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c1>;
+ pinctrl-1 = <&pinctrl_i2c1_1>;
+ scl-gpios = <&gpio5 14 GPIO_OPEN_DRAIN>;
+ sda-gpios = <&gpio5 15 GPIO_OPEN_DRAIN>;
+ status = "okay";
+
+ pmic@8 {
+ compatible = "nxp,pf8121a";
+ reg = <0x8>;
+ status = "okay";
+
+ regulators {
+ reg_ldo1: ldo1 {
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_ldo2: ldo2 {
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_ldo3: ldo3 {
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_ldo4: ldo4 {
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_buck1: buck1 {
+ regulator-min-microvolt = <400000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_buck2: buck2 {
+ regulator-min-microvolt = <400000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_sw3: buck3 {
+ regulator-min-microvolt = <400000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_buck4: buck4 {
+ regulator-min-microvolt = <400000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_buck5: buck5 {
+ regulator-min-microvolt = <400000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_buck6: buck6 {
+ regulator-min-microvolt = <400000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_buck7: buck7 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_vsnvs: vsnvs {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ };
+};
+
+&i2c3 {
+ clock-frequency = <100000>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c3>;
+ pinctrl-1 = <&pinctrl_i2c3_1>;
+ scl-gpios = <&gpio5 18 GPIO_OPEN_DRAIN>;
+ sda-gpios = <&gpio5 19 GPIO_OPEN_DRAIN>;
+ status = "okay";
+
+ i2cmux@70 {
+ compatible = "nxp,pca9540";
+ reg = <0x70>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ i2c3@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ rtc@68 {
+ compatible = "microcrystal,rv4162";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c3a_rv4162>;
+ reg = <0x68>;
+ interrupts-extended = <&gpio4 22 IRQ_TYPE_LEVEL_LOW>;
+ wakeup-source;
+ };
+ };
+ };
+};
+
+/* console */
+&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart2>;
+ assigned-clocks = <&clk IMX8MM_CLK_UART2>;
+ assigned-clock-parents = <&clk IMX8MM_CLK_24M>;
+ status = "okay";
+};
+
+/* eMMC */
+&usdhc1 {
+ bus-width = <8>;
+ sdhci-caps-mask = <0x80000000 0x0>;
+ non-removable;
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc1>;
+ pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+ status = "okay";
+};
+
+/* sdcard */
+&usdhc2 {
+ bus-width = <4>;
+ cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc2>;
+ pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
+ status = "okay";
+ vqmmc-supply = <&reg_ldo2>;
+};
+
+&wdog1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdog>;
+ fsl,ext-reset-output;
+ status = "okay";
+};
+
+&iomuxc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_hog>;
+
+ 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_READY_B_GPIO3_IO16 0x159
+ >;
+ };
+
+ pinctrl_hog: hoggrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x09
+ MX8MM_IOMUXC_GPIO1_IO08_GPIO1_IO8 0x09
+ >;
+ };
+
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3
+ MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3
+ >;
+ };
+
+ pinctrl_i2c1_1: i2c1-1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C1_SCL_GPIO5_IO14 0x400001c3
+ MX8MM_IOMUXC_I2C1_SDA_GPIO5_IO15 0x400001c3
+ >;
+ };
+
+ pinctrl_i2c3: i2c3grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C3_SCL_I2C3_SCL 0x400001c3
+ MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
+ >;
+ };
+
+ pinctrl_i2c3_1: i2c3-1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C3_SCL_GPIO5_IO18 0x400001c3
+ MX8MM_IOMUXC_I2C3_SDA_GPIO5_IO19 0x400001c3
+ >;
+ };
+
+ pinctrl_i2c3a_rv4162: i2c3a-rv4162grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SAI2_RXC_GPIO4_IO22 0x1c0
+ >;
+ };
+
+ pinctrl_uart2: uart2grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140
+ MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140
+ >;
+ };
+
+ pinctrl_usdhc1: usdhc1grp {
+ 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
+ MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4 0x1d0
+ MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5 0x1d0
+ MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6 0x1d0
+ MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7 0x1d0
+ MX8MM_IOMUXC_SD1_RESET_B_GPIO2_IO10 0x141
+ >;
+ };
+
+ pinctrl_usdhc1_100mhz: usdhc1-100mhz-grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x194
+ MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d4
+ MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d4
+ MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d4
+ MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d4
+ MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d4
+ MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4 0x1d4
+ MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5 0x1d4
+ MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6 0x1d4
+ MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7 0x1d4
+ >;
+ };
+
+ pinctrl_usdhc1_200mhz: usdhc1-200mhz-grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x196
+ MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d6
+ MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d6
+ MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d6
+ MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d6
+ MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d6
+ MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4 0x1d6
+ MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5 0x1d6
+ MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6 0x1d6
+ MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7 0x1d6
+ >;
+ };
+
+ pinctrl_usdhc2: usdhc2grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x190
+ MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d0
+ MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d0
+ MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d0
+ MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d0
+ MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d0
+ MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x1c4
+ >;
+ };
+
+ pinctrl_usdhc2_100mhz: usdhc2-100mhz-grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x194
+ MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4
+ MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4
+ MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4
+ MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4
+ MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4
+ >;
+ };
+
+ pinctrl_usdhc2_200mhz: usdhc2-200mhz-grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x196
+ MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d6
+ MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d6
+ MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d6
+ MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d6
+ MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d6
+ >;
+ };
+
+ 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_DATA07_USDHC3_DATA3 0x1d0
+ MX8MM_IOMUXC_GPIO1_IO00_ANAMIX_REF_CLK_32K 0x03
+ >;
+ };
+
+ pinctrl_usdhc3_100mhz: 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
+ >;
+ };
+
+ pinctrl_usdhc3_200mhz: 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
+ >;
+ };
+
+ pinctrl_wdog: wdoggrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x140
+ >;
+ };
+};
--
2.25.1
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