Add i.MX91 9x9 Quick Start Board support.
- Enable ADC1.
- Enable lpuart1.
- Enable network eqos.
- Enable I2C bus and children nodes under I2C bus.
- Enable USB and related nodes.
- Enable uSDHC1 and uSDHC2.
- Enable Watchdog3.
The board description can refer to the following link:
https://www.nxp.com/design/design-center/development-boards-and-designs/IMX91QSB
Signed-off-by: Joy Zou <joy.zou@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
---
Changes in v2:
1. Correct GPIO pin number typo: <&gpio3 00 GPIO_ACTIVE_LOW> to <&gpio3 0 GPIO_ACTIVE_LOW>.
2. Add whitespace before brace in BUCK4 node.
3. Remove one level of indentation for rtc node.
4. Remove clock-frequency property from mdio node.
5. add Reviewed-by tag.
---
arch/arm64/boot/dts/freescale/Makefile | 1 +
arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts | 425 ++++++++++++++++++++++++
2 files changed, 426 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index bae24b53bce6d33a6929d7c6b3f8c1a70911c5d0..382094fa220ab6c388d182be179a82eefed74b45 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -412,6 +412,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqps-mb-smarc-2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8ulp-9x9-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx91-9x9-qsb.dtb
dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-frdm.dtb
dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-frdm-s.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts b/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts
new file mode 100644
index 0000000000000000000000000000000000000000..1239bbf579da44ab3f4be2dc566c53a1e5db6c05
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts
@@ -0,0 +1,425 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 NXP
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/usb/pd.h>
+#include "imx91.dtsi"
+
+/ {
+ compatible = "fsl,imx91-9x9-qsb", "fsl,imx91";
+ model = "NXP i.MX91 9x9 Quick Start Board";
+
+ aliases {
+ ethernet0 = &fec;
+ ethernet1 = &eqos;
+ gpio0 = &gpio1;
+ gpio1 = &gpio2;
+ gpio2 = &gpio3;
+ i2c0 = &lpi2c1;
+ i2c1 = &lpi2c2;
+ mmc0 = &usdhc1;
+ mmc1 = &usdhc2;
+ rtc0 = &bbnsm_rtc;
+ serial0 = &lpuart1;
+ };
+
+ chosen {
+ stdout-path = &lpuart1;
+ };
+
+ reg_vref_1v8: regulator-adc-vref {
+ compatible = "regulator-fixed";
+ regulator-name = "vref_1v8";
+ regulator-max-microvolt = <1800000>;
+ regulator-min-microvolt = <1800000>;
+ };
+
+ reg_usdhc2_vmmc: regulator-usdhc2 {
+ compatible = "regulator-fixed";
+ regulator-name = "VSD_3V3";
+ off-on-delay-us = <12000>;
+ pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
+ pinctrl-names = "default";
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <3300000>;
+ gpio = <&gpio3 7 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ reserved-memory {
+ ranges;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reusable;
+ size = <0 0x10000000>;
+ linux,cma-default;
+ };
+ };
+};
+
+&adc1 {
+ vref-supply = <®_vref_1v8>;
+ status = "okay";
+};
+
+&eqos {
+ phy-handle = <ðphy1>;
+ phy-mode = "rgmii-id";
+ pinctrl-0 = <&pinctrl_eqos>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-frequency = <5000000>;
+
+ ethphy1: ethernet-phy@1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <1>;
+ realtek,clkout-disable;
+ };
+ };
+};
+
+&iomuxc {
+ pinctrl_eqos: eqosgrp {
+ fsl,pins = <
+ MX91_PAD_ENET1_MDC__ENET1_MDC 0x57e
+ MX91_PAD_ENET1_MDIO__ENET_QOS_MDIO 0x57e
+ MX91_PAD_ENET1_RD0__ENET_QOS_RGMII_RD0 0x57e
+ MX91_PAD_ENET1_RD1__ENET_QOS_RGMII_RD1 0x57e
+ MX91_PAD_ENET1_RD2__ENET_QOS_RGMII_RD2 0x57e
+ MX91_PAD_ENET1_RD3__ENET_QOS_RGMII_RD3 0x57e
+ MX91_PAD_ENET1_RXC__ENET_QOS_RGMII_RXC 0x5fe
+ MX91_PAD_ENET1_RX_CTL__ENET_QOS_RGMII_RX_CTL 0x57e
+ MX91_PAD_ENET1_TD0__ENET_QOS_RGMII_TD0 0x57e
+ MX91_PAD_ENET1_TD1__ENET1_RGMII_TD1 0x57e
+ MX91_PAD_ENET1_TD2__ENET_QOS_RGMII_TD2 0x57e
+ MX91_PAD_ENET1_TD3__ENET_QOS_RGMII_TD3 0x57e
+ MX91_PAD_ENET1_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK 0x5fe
+ MX91_PAD_ENET1_TX_CTL__ENET_QOS_RGMII_TX_CTL 0x57e
+ >;
+ };
+
+ pinctrl_lpi2c1: lpi2c1grp {
+ fsl,pins = <
+ MX91_PAD_I2C1_SCL__LPI2C1_SCL 0x40000b9e
+ MX91_PAD_I2C1_SDA__LPI2C1_SDA 0x40000b9e
+ >;
+ };
+
+ pinctrl_lpi2c2: lpi2c2grp {
+ fsl,pins = <
+ MX91_PAD_I2C2_SCL__LPI2C2_SCL 0x40000b9e
+ MX91_PAD_I2C2_SDA__LPI2C2_SDA 0x40000b9e
+ >;
+ };
+
+ pinctrl_pcal6524: pcal6524grp {
+ fsl,pins = <
+ MX91_PAD_CCM_CLKO1__GPIO3_IO26 0x31e
+ >;
+ };
+
+ pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
+ fsl,pins = <
+ MX91_PAD_SD2_RESET_B__GPIO3_IO7 0x31e
+ >;
+ };
+
+ pinctrl_uart1: uart1grp {
+ fsl,pins = <
+ MX91_PAD_UART1_RXD__LPUART1_RX 0x31e
+ MX91_PAD_UART1_TXD__LPUART1_TX 0x31e
+ >;
+ };
+
+ pinctrl_usdhc1: usdhc1grp {
+ fsl,pins = <
+ MX91_PAD_SD1_CLK__USDHC1_CLK 0x1582
+ MX91_PAD_SD1_CMD__USDHC1_CMD 0x1382
+ MX91_PAD_SD1_DATA0__USDHC1_DATA0 0x1382
+ MX91_PAD_SD1_DATA1__USDHC1_DATA1 0x1382
+ MX91_PAD_SD1_DATA2__USDHC1_DATA2 0x1382
+ MX91_PAD_SD1_DATA3__USDHC1_DATA3 0x1382
+ MX91_PAD_SD1_DATA4__USDHC1_DATA4 0x1382
+ MX91_PAD_SD1_DATA5__USDHC1_DATA5 0x1382
+ MX91_PAD_SD1_DATA6__USDHC1_DATA6 0x1382
+ MX91_PAD_SD1_DATA7__USDHC1_DATA7 0x1382
+ MX91_PAD_SD1_STROBE__USDHC1_STROBE 0x1582
+ >;
+ };
+
+ pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
+ fsl,pins = <
+ MX91_PAD_SD1_CLK__USDHC1_CLK 0x158e
+ MX91_PAD_SD1_CMD__USDHC1_CMD 0x138e
+ MX91_PAD_SD1_DATA0__USDHC1_DATA0 0x138e
+ MX91_PAD_SD1_DATA1__USDHC1_DATA1 0x138e
+ MX91_PAD_SD1_DATA2__USDHC1_DATA2 0x138e
+ MX91_PAD_SD1_DATA3__USDHC1_DATA3 0x138e
+ MX91_PAD_SD1_DATA4__USDHC1_DATA4 0x138e
+ MX91_PAD_SD1_DATA5__USDHC1_DATA5 0x138e
+ MX91_PAD_SD1_DATA6__USDHC1_DATA6 0x138e
+ MX91_PAD_SD1_DATA7__USDHC1_DATA7 0x138e
+ MX91_PAD_SD1_STROBE__USDHC1_STROBE 0x158e
+ >;
+ };
+
+ pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
+ fsl,pins = <
+ MX91_PAD_SD1_CLK__USDHC1_CLK 0x15fe
+ MX91_PAD_SD1_CMD__USDHC1_CMD 0x13fe
+ MX91_PAD_SD1_DATA0__USDHC1_DATA0 0x13fe
+ MX91_PAD_SD1_DATA1__USDHC1_DATA1 0x13fe
+ MX91_PAD_SD1_DATA2__USDHC1_DATA2 0x13fe
+ MX91_PAD_SD1_DATA3__USDHC1_DATA3 0x13fe
+ MX91_PAD_SD1_DATA4__USDHC1_DATA4 0x13fe
+ MX91_PAD_SD1_DATA5__USDHC1_DATA5 0x13fe
+ MX91_PAD_SD1_DATA6__USDHC1_DATA6 0x13fe
+ MX91_PAD_SD1_DATA7__USDHC1_DATA7 0x13fe
+ MX91_PAD_SD1_STROBE__USDHC1_STROBE 0x15fe
+ >;
+ };
+
+ pinctrl_usdhc2_gpio: usdhc2gpiogrp {
+ fsl,pins = <
+ MX91_PAD_SD2_CD_B__GPIO3_IO0 0x31e
+ >;
+ };
+
+ pinctrl_usdhc2: usdhc2grp {
+ fsl,pins = <
+ MX91_PAD_SD2_CLK__USDHC2_CLK 0x1582
+ MX91_PAD_SD2_CMD__USDHC2_CMD 0x1382
+ MX91_PAD_SD2_DATA0__USDHC2_DATA0 0x1382
+ MX91_PAD_SD2_DATA1__USDHC2_DATA1 0x1382
+ MX91_PAD_SD2_DATA2__USDHC2_DATA2 0x1382
+ MX91_PAD_SD2_DATA3__USDHC2_DATA3 0x1382
+ MX91_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
+ >;
+ };
+
+ pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+ fsl,pins = <
+ MX91_PAD_SD2_CLK__USDHC2_CLK 0x158e
+ MX91_PAD_SD2_CMD__USDHC2_CMD 0x138e
+ MX91_PAD_SD2_DATA0__USDHC2_DATA0 0x138e
+ MX91_PAD_SD2_DATA1__USDHC2_DATA1 0x138e
+ MX91_PAD_SD2_DATA2__USDHC2_DATA2 0x138e
+ MX91_PAD_SD2_DATA3__USDHC2_DATA3 0x138e
+ MX91_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
+ >;
+ };
+
+ pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
+ fsl,pins = <
+ MX91_PAD_SD2_CLK__USDHC2_CLK 0x15fe
+ MX91_PAD_SD2_CMD__USDHC2_CMD 0x13fe
+ MX91_PAD_SD2_DATA0__USDHC2_DATA0 0x13fe
+ MX91_PAD_SD2_DATA1__USDHC2_DATA1 0x13fe
+ MX91_PAD_SD2_DATA2__USDHC2_DATA2 0x13fe
+ MX91_PAD_SD2_DATA3__USDHC2_DATA3 0x13fe
+ MX91_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
+ >;
+ };
+};
+
+&lpi2c1 {
+ clock-frequency = <400000>;
+ pinctrl-0 = <&pinctrl_lpi2c1>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ p3t1085: temperature-sensor@48 {
+ compatible = "nxp,p3t1085";
+ reg = <0x48>;
+ };
+
+ ptn5110: tcpc@50 {
+ compatible = "nxp,ptn5110", "tcpci";
+ reg = <0x50>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
+
+ typec1_con: connector {
+ compatible = "usb-c-connector";
+ data-role = "dual";
+ label = "USB-C";
+ op-sink-microwatt = <15000000>;
+ power-role = "dual";
+ self-powered;
+ sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)
+ PDO_VAR(5000, 20000, 3000)>;
+ source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ try-power-role = "sink";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ typec1_dr_sw: endpoint {
+ remote-endpoint = <&usb1_drd_sw>;
+ };
+ };
+ };
+ };
+ };
+
+ pcf2131: rtc@53 {
+ compatible = "nxp,pcf2131";
+ reg = <0x53>;
+ interrupt-parent = <&pcal6524>;
+ interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
+ };
+};
+
+&lpi2c2 {
+ clock-frequency = <400000>;
+ pinctrl-0 = <&pinctrl_lpi2c2>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ pcal6524: gpio@22 {
+ compatible = "nxp,pcal6524";
+ reg = <0x22>;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ interrupt-parent = <&gpio3>;
+ interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ pinctrl-0 = <&pinctrl_pcal6524>;
+ pinctrl-names = "default";
+ };
+
+ pmic@32 {
+ compatible = "nxp,pf9453";
+ reg = <0x32>;
+ interrupt-parent = <&pcal6524>;
+ interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
+
+ regulators {
+ buck1: BUCK1 {
+ regulator-name = "BUCK1";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <1140000>;
+ regulator-min-microvolt = <1060000>;
+ };
+
+ buck2: BUCK2 {
+ regulator-name = "BUCK2";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <900000>;
+ regulator-min-microvolt = <610000>;
+ regulator-ramp-delay = <12500>;
+ };
+
+ buck3: BUCK3 {
+ regulator-name = "BUCK3";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <3450000>;
+ regulator-min-microvolt = <1650000>;
+ };
+
+ buck4: BUCK4 {
+ regulator-name = "BUCK4";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <3450000>;
+ regulator-min-microvolt = <1650000>;
+ };
+
+ ldo1: LDO1 {
+ regulator-name = "LDO1";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <1650000>;
+ };
+
+ ldo2: LDO2 {
+ regulator-name = "LDO2";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <1890000>;
+ regulator-min-microvolt = <760000>;
+ };
+
+ ldo_snvs: LDO-SNVS {
+ regulator-name = "LDO-SNVS";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <1950000>;
+ regulator-min-microvolt = <1650000>;
+ };
+ };
+ };
+};
+
+&lpuart1 {
+ pinctrl-0 = <&pinctrl_uart1>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&usbotg1 {
+ adp-disable;
+ disable-over-current;
+ dr_mode = "otg";
+ hnp-disable;
+ srp-disable;
+ usb-role-switch;
+ samsung,picophy-dc-vol-level-adjust = <7>;
+ samsung,picophy-pre-emp-curr-control = <3>;
+ status = "okay";
+
+ port {
+ usb1_drd_sw: endpoint {
+ remote-endpoint = <&typec1_dr_sw>;
+ };
+ };
+};
+
+&usdhc1 {
+ bus-width = <8>;
+ non-removable;
+ pinctrl-0 = <&pinctrl_usdhc1>;
+ pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ fsl,tuning-step = <1>;
+ status = "okay";
+};
+
+&usdhc2 {
+ bus-width = <4>;
+ cd-gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
+ no-mmc;
+ no-sdio;
+ pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+ pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
+ pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ vmmc-supply = <®_usdhc2_vmmc>;
+ fsl,tuning-step = <1>;
+ status = "okay";
+};
+
+&wdog3 {
+ fsl,ext-reset-output;
+ status = "okay";
+};
--
2.37.1> 4. Remove clock-frequency property from mdio node.
> +&eqos {
> + phy-handle = <ðphy1>;
> + phy-mode = "rgmii-id";
> + pinctrl-0 = <&pinctrl_eqos>;
> + pinctrl-names = "default";
> + status = "okay";
> +
> + mdio {
> + compatible = "snps,dwmac-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + clock-frequency = <5000000>;
???
Andrew
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