[PATCH 2/2] arm64: dts: freescale: add MR-NAVQ95 basic board support

Laurentiu Mihalcea <[email protected]>
Newsgroups org.infradead.lists.linux-arm-kernel,dev.linux.lists.imx,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
From: Laurentiu Mihalcea <[email protected]>

Add basic support for NXP's MR-NAVQ95 board. This board is designed for
robotics applications (e.g. drones, rovers, humanoids, etc..) and has the
following hardware feats (list is not exhaustive):

* based on i.MX95 19x19 SoC
* 64GB eMMC
* up to 16GB of LPDDR5 memory
* 1 x USB 2.0 TypeC
* 1 x USB 3.0 TypeC
* 1 x RJ45 port with RTL8211 PHY

The support targets revision B of the board.

Signed-off-by: Laurentiu Mihalcea <[email protected]>
---
 arch/arm64/boot/dts/freescale/Makefile       |   1 +
 arch/arm64/boot/dts/freescale/imx95-navq.dts | 267 +++++++++++++++++++
 2 files changed, 268 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx95-navq.dts

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 95ae85ab4adf..4c5ef83cd857 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -712,6 +712,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-evk-sof.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-frdm-pro.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx95-aquila-clover.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx95-aquila-dev.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx95-navq.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx95-toradex-smarc-dev.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx95-tqma9596la-mba95xxca.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx95-tqma9596sa-mb-smarc-2.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx95-navq.dts b/arch/arm64/boot/dts/freescale/imx95-navq.dts
new file mode 100644
index 000000000000..f7ddc39f9b21
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx95-navq.dts
@@ -0,0 +1,267 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 NXP
+ */
+
+/dts-v1/;
+
+#include "imx95.dtsi"
+
+/ {
+	model = "NXP MR-NAVQ95";
+	compatible = "fsl,imx95-navq", "fsl,imx95";
+
+	aliases {
+		ethernet0 = &enetc_port0;
+		mmc0 = &usdhc1;
+		mmc1 = &usdhc2;
+		serial0 = &lpuart1;
+	};
+
+	chosen {
+		stdout-path = &lpuart1;
+	};
+
+	reg_usdhc2_vmmc: regulator-usdhc2 {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
+		regulator-name = "VDD_SD2_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio3 7 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		off-on-delay-us = <12000>;
+	};
+};
+
+&edma1 {
+	/* owned by M7 */
+	status = "reserved";
+};
+
+&edma2 {
+	/* channels 30-63 owned by M7 */
+	dma-channels = <30>;
+};
+
+&enetc_port0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enetc0>;
+	phy-handle = <&ethphy0>;
+	phy-mode = "rgmii-id";
+	status = "okay";
+};
+
+&lpi2c3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpi2c3>;
+	clock-frequency = <400000>;
+	status = "okay";
+
+	i2c3_gpio_expander_21: gpio-expander@21 {
+		compatible = "nxp,pcal6408";
+		reg = <0x21>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2c3_gpio_expander_21>;
+	};
+};
+
+&lpuart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	status = "okay";
+};
+
+&netc_blk_ctrl {
+	status = "okay";
+};
+
+&netc_emdio {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_emdio>;
+	status = "okay";
+
+	ethphy0: ethernet-phy@1 {
+		compatible = "ethernet-phy-id001c.c916";
+		reg = <1>;
+		reset-gpios = <&i2c3_gpio_expander_21 1 GPIO_ACTIVE_LOW>;
+		reset-assert-us = <10000>;
+		reset-deassert-us = <80000>;
+		realtek,clkout-disable;
+	};
+};
+
+&scmi_iomuxc {
+	pinctrl_emdio: emdiogrp {
+		fsl,pins = <
+			IMX95_PAD_ENET2_MDC__NETCMIX_TOP_NETC_MDC		0x57e
+			IMX95_PAD_ENET2_MDIO__NETCMIX_TOP_NETC_MDIO		0x97e
+		>;
+	};
+
+	pinctrl_enetc0: enetc0grp {
+		fsl,pins = <
+			IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3         0x57e
+			IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2         0x57e
+			IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1         0x57e
+			IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0         0x57e
+			IMX95_PAD_ENET1_TX_CTL__NETCMIX_TOP_ETH0_RGMII_TX_CTL   0x57e
+			IMX95_PAD_ENET1_TXC__NETCMIX_TOP_ETH0_RGMII_TX_CLK      0x58e
+			IMX95_PAD_ENET1_RX_CTL__NETCMIX_TOP_ETH0_RGMII_RX_CTL   0x57e
+			IMX95_PAD_ENET1_RXC__NETCMIX_TOP_ETH0_RGMII_RX_CLK      0x58e
+			IMX95_PAD_ENET1_RD0__NETCMIX_TOP_ETH0_RGMII_RD0         0x57e
+			IMX95_PAD_ENET1_RD1__NETCMIX_TOP_ETH0_RGMII_RD1         0x57e
+			IMX95_PAD_ENET1_RD2__NETCMIX_TOP_ETH0_RGMII_RD2         0x57e
+			IMX95_PAD_ENET1_RD3__NETCMIX_TOP_ETH0_RGMII_RD3         0x57e
+		>;
+	};
+
+	pinctrl_i2c3_gpio_expander_21: i2c3gpioexpander21grp {
+		fsl,pins = <
+			IMX95_PAD_ENET2_RD3__GPIO4_IO_BIT27			0x31e
+		>;
+	};
+
+	pinctrl_lpi2c3: lpi2c3grp {
+		fsl,pins = <
+			IMX95_PAD_GPIO_IO28__LPI2C3_SDA				0x40000b9e
+			IMX95_PAD_GPIO_IO29__LPI2C3_SCL				0x40000b9e
+		>;
+	};
+
+	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
+		fsl,pins = <
+			IMX95_PAD_SD2_RESET_B__GPIO3_IO_BIT7			0x31e
+		>;
+	};
+
+	pinctrl_uart1: uart1grp {
+		fsl,pins = <
+			IMX95_PAD_UART1_RXD__AONMIX_TOP_LPUART1_RX		0x31e
+			IMX95_PAD_UART1_TXD__AONMIX_TOP_LPUART1_TX		0x31e
+		>;
+	};
+
+	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
+		fsl,pins = <
+			IMX95_PAD_SD1_CLK__USDHC1_CLK				0x158e
+			IMX95_PAD_SD1_CMD__USDHC1_CMD				0x138e
+			IMX95_PAD_SD1_DATA0__USDHC1_DATA0			0x138e
+			IMX95_PAD_SD1_DATA1__USDHC1_DATA1			0x138e
+			IMX95_PAD_SD1_DATA2__USDHC1_DATA2			0x138e
+			IMX95_PAD_SD1_DATA3__USDHC1_DATA3			0x138e
+			IMX95_PAD_SD1_DATA4__USDHC1_DATA4			0x138e
+			IMX95_PAD_SD1_DATA5__USDHC1_DATA5			0x138e
+			IMX95_PAD_SD1_DATA6__USDHC1_DATA6			0x138e
+			IMX95_PAD_SD1_DATA7__USDHC1_DATA7			0x138e
+			IMX95_PAD_SD1_STROBE__USDHC1_STROBE			0x158e
+		>;
+	};
+
+	pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
+		fsl,pins = <
+			IMX95_PAD_SD1_CLK__USDHC1_CLK				0x15fe
+			IMX95_PAD_SD1_CMD__USDHC1_CMD				0x13fe
+			IMX95_PAD_SD1_DATA0__USDHC1_DATA0			0x13fe
+			IMX95_PAD_SD1_DATA1__USDHC1_DATA1			0x13fe
+			IMX95_PAD_SD1_DATA2__USDHC1_DATA2			0x13fe
+			IMX95_PAD_SD1_DATA3__USDHC1_DATA3			0x13fe
+			IMX95_PAD_SD1_DATA4__USDHC1_DATA4			0x13fe
+			IMX95_PAD_SD1_DATA5__USDHC1_DATA5			0x13fe
+			IMX95_PAD_SD1_DATA6__USDHC1_DATA6			0x13fe
+			IMX95_PAD_SD1_DATA7__USDHC1_DATA7			0x13fe
+			IMX95_PAD_SD1_STROBE__USDHC1_STROBE			0x15fe
+		>;
+	};
+
+	pinctrl_usdhc1: usdhc1grp {
+		fsl,pins = <
+			IMX95_PAD_SD1_CLK__USDHC1_CLK				0x158e
+			IMX95_PAD_SD1_CMD__USDHC1_CMD				0x138e
+			IMX95_PAD_SD1_DATA0__USDHC1_DATA0			0x138e
+			IMX95_PAD_SD1_DATA1__USDHC1_DATA1			0x138e
+			IMX95_PAD_SD1_DATA2__USDHC1_DATA2			0x138e
+			IMX95_PAD_SD1_DATA3__USDHC1_DATA3			0x138e
+			IMX95_PAD_SD1_DATA4__USDHC1_DATA4			0x138e
+			IMX95_PAD_SD1_DATA5__USDHC1_DATA5			0x138e
+			IMX95_PAD_SD1_DATA6__USDHC1_DATA6			0x138e
+			IMX95_PAD_SD1_DATA7__USDHC1_DATA7			0x138e
+			IMX95_PAD_SD1_STROBE__USDHC1_STROBE			0x158e
+		>;
+	};
+
+	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+		fsl,pins = <
+			IMX95_PAD_SD2_CLK__USDHC2_CLK				0x158e
+			IMX95_PAD_SD2_CMD__USDHC2_CMD				0x138e
+			IMX95_PAD_SD2_DATA0__USDHC2_DATA0			0x138e
+			IMX95_PAD_SD2_DATA1__USDHC2_DATA1			0x138e
+			IMX95_PAD_SD2_DATA2__USDHC2_DATA2			0x138e
+			IMX95_PAD_SD2_DATA3__USDHC2_DATA3			0x138e
+			IMX95_PAD_SD2_VSELECT__USDHC2_VSELECT			0x51e
+		>;
+	};
+
+	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
+		fsl,pins = <
+			IMX95_PAD_SD2_CLK__USDHC2_CLK				0x158e
+			IMX95_PAD_SD2_CMD__USDHC2_CMD				0x138e
+			IMX95_PAD_SD2_DATA0__USDHC2_DATA0			0x138e
+			IMX95_PAD_SD2_DATA1__USDHC2_DATA1			0x138e
+			IMX95_PAD_SD2_DATA2__USDHC2_DATA2			0x138e
+			IMX95_PAD_SD2_DATA3__USDHC2_DATA3			0x138e
+			IMX95_PAD_SD2_VSELECT__USDHC2_VSELECT			0x51e
+		>;
+	};
+
+	pinctrl_usdhc2_gpio: usdhc2gpiogrp {
+		fsl,pins = <
+			IMX95_PAD_SD2_CD_B__GPIO3_IO_BIT0			0x31e
+		>;
+	};
+
+	pinctrl_usdhc2: usdhc2grp {
+		fsl,pins = <
+			IMX95_PAD_SD2_CLK__USDHC2_CLK				0x158e
+			IMX95_PAD_SD2_CMD__USDHC2_CMD				0x138e
+			IMX95_PAD_SD2_DATA0__USDHC2_DATA0			0x138e
+			IMX95_PAD_SD2_DATA1__USDHC2_DATA1			0x138e
+			IMX95_PAD_SD2_DATA2__USDHC2_DATA2			0x138e
+			IMX95_PAD_SD2_DATA3__USDHC2_DATA3			0x138e
+			IMX95_PAD_SD2_VSELECT__USDHC2_VSELECT			0x51e
+		>;
+	};
+
+};
+
+&usdhc1 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
+	pinctrl-0 = <&pinctrl_usdhc1>;
+	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+	pinctrl-3 = <&pinctrl_usdhc1>;
+	bus-width = <8>;
+	non-removable;
+	no-sdio;
+	no-sd;
+	status = "okay";
+};
+
+&usdhc2 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
+	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-3 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+	cd-gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&reg_usdhc2_vmmc>;
+	bus-width = <4>;
+	status = "okay";
+};
-- 
2.53.0
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