Re: [PATCH v5 6/9] arm64: dts: freescale: add i.MX91 11x11 EVK basic support

From: Stefan Wahren
Date: Sun Jun 15 2025 - 04:55:51 EST

Hello Joy,

Am 13.06.25 um 12:02 schrieb Joy Zou:
Add i.MX91 11x11 EVK board support.
- Enable ADC1.
- Enable lpuart1 and lpuart5.
- Enable network eqos and fec.
- Enable I2C bus and children nodes under I2C bus.
- Enable USB and related nodes.
- Enable uSDHC1 and uSDHC2.
- Enable Watchdog3.

Signed-off-by: Pengfei Li <pengfei.li_1@xxxxxxx>
Signed-off-by: Joy Zou <joy.zou@xxxxxxx>
---
arch/arm64/boot/dts/freescale/Makefile | 1 +
.../boot/dts/freescale/imx91-11x11-evk.dts | 878 ++++++++++++++++++
2 files changed, 879 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 0b473a23d120..fbedb3493c09 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -315,6 +315,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqps-mb-smarc-2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-evk.dtb
imx93-9x9-qsb-i3c-dtbs += imx93-9x9-qsb.dtb imx93-9x9-qsb-i3c.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb-i3c.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
new file mode 100644
index 000000000000..7ce76b207eae
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
@@ -0,0 +1,878 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2025 NXP
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/usb/pd.h>
+#include "imx91.dtsi"
+
+/ {
+ compatible = "fsl,imx91-11x11-evk", "fsl,imx91";
+ model = "NXP i.MX91 11X11 EVK board";
+
+ aliases {
+ ethernet0 = &fec;
+ ethernet1 = &eqos;
+ rtc0 = &bbnsm_rtc;
+ };
+
+ chosen {
+ stdout-path = &lpuart1;
+ };
+
+ reg_vref_1v8: regulator-adc-vref {
+ compatible = "regulator-fixed";
+ regulator-max-microvolt = <1800000>;
+ regulator-min-microvolt = <1800000>;
+ regulator-name = "vref_1v8";
+ };
+
+ reg_audio_pwr: regulator-audio-pwr {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <3300000>;
+ regulator-name = "audio-pwr";
+ gpio = <&adp5585 1 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ reg_usdhc2_vmmc: regulator-usdhc2 {
+ compatible = "regulator-fixed";
+ off-on-delay-us = <12000>;
+ pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
+ pinctrl-names = "default";
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <3300000>;
+ regulator-name = "VSD_3V3";
+ gpio = <&gpio3 7 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ reg_usdhc3_vmmc: regulator-usdhc3 {
+ compatible = "regulator-fixed";
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <3300000>;
+ regulator-name = "WLAN_EN";
+ gpio = <&pcal6524 20 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ /*
+ * IW612 wifi chip needs more delay than other wifi chips to complete
+ * the host interface initialization after power up, otherwise the
+ * internal state of IW612 may be unstable, resulting in the failure of
+ * the SDIO3.0 switch voltage.
+ */
+ startup-delay-us = <20000>;
+ };
There is a regulator and pinctrl settings for usdhc3, but it's never used. Why?
+
+ reg_vdd_12v: regulator-vdd-12v {
+ compatible = "regulator-fixed";
+ regulator-max-microvolt = <12000000>;
+ regulator-min-microvolt = <12000000>;
+ regulator-name = "reg_vdd_12v";
+ gpio = <&pcal6524 14 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ reg_vrpi_3v3: regulator-vrpi-3v3 {
+ compatible = "regulator-fixed";
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <3300000>;
+ regulator-name = "VRPI_3V3";
+ vin-supply = <&buck4>;
+ gpio = <&pcal6524 2 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ reg_vrpi_5v: regulator-vrpi-5v {
+ compatible = "regulator-fixed";
+ regulator-max-microvolt = <5000000>;
+ regulator-min-microvolt = <5000000>;
+ regulator-name = "VRPI_5V";
+ gpio = <&pcal6524 8 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
These regulators doesn't seem to be used. Are they intended for overlays?
+
+ reserved-memory {
+ ranges;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ linux,cma {
+ compatible = "shared-dma-pool";
+ alloc-ranges = <0 0x80000000 0 0x40000000>;
+ reusable;
+ size = <0 0x10000000>;
+ linux,cma-default;
+ };
+ };
+};
+
+&adc1 {
+ vref-supply = <&reg_vref_1v8>;
+ status = "okay";
+};
+
+&eqos {
+ phy-handle = <&ethphy1>;
+ phy-mode = "rgmii-id";
+ pinctrl-0 = <&pinctrl_eqos>;
+ pinctrl-1 = <&pinctrl_eqos_sleep>;
+ pinctrl-names = "default", "sleep";
+ status = "okay";
+
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-frequency = <5000000>;
+
+ ethphy1: ethernet-phy@1 {
+ reg = <1>;
+ realtek,clkout-disable;
+ };
+ };
+};
+
+&fec {
+ phy-handle = <&ethphy2>;
+ phy-mode = "rgmii-id";
+ pinctrl-0 = <&pinctrl_fec>;
+ pinctrl-1 = <&pinctrl_fec_sleep>;
+ pinctrl-names = "default", "sleep";
+ fsl,magic-packet;
+ status = "okay";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-frequency = <5000000>;
+
+ ethphy2: ethernet-phy@2 {
+ reg = <2>;
+ eee-broken-1000t;
+ realtek,clkout-disable;
+ };
+ };
+};
+
+/*
+ * When add, delete or change any target device setting in &lpi2c1,
+ * please synchronize the changes to the &i3c1 bus in imx91-11x11-evk-i3c.dts.
+ */
+&lpi2c1 {
+ clock-frequency = <400000>;
+ pinctrl-0 = <&pinctrl_lpi2c1>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ audio_codec: wm8962@1a {
+ compatible = "wlf,wm8962";
+ reg = <0x1a>;
+ clocks = <&clk IMX93_CLK_SAI3_GATE>;
+ AVDD-supply = <&reg_audio_pwr>;
+ CPVDD-supply = <&reg_audio_pwr>;
+ DBVDD-supply = <&reg_audio_pwr>;
+ DCVDD-supply = <&reg_audio_pwr>;
+ MICVDD-supply = <&reg_audio_pwr>;
+ PLLVDD-supply = <&reg_audio_pwr>;
+ SPKVDD1-supply = <&reg_audio_pwr>;
+ SPKVDD2-supply = <&reg_audio_pwr>;
+ gpio-cfg = <
+ 0x0000 /* 0:Default */
+ 0x0000 /* 1:Default */
+ 0x0000 /* 2:FN_DMICCLK */
+ 0x0000 /* 3:Default */
+ 0x0000 /* 4:FN_DMICCDAT */
+ 0x0000 /* 5:Default */
+ >;
+ };
+
+ inertial-meter@6a {
+ compatible = "st,lsm6dso";
+ reg = <0x6a>;
+ };
+};
+
+&lpi2c2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ 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;
+ interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-parent = <&gpio3>;
+ pinctrl-0 = <&pinctrl_pcal6524>;
+ pinctrl-names = "default";
+ };
+
+ pmic@25 {
+ compatible = "nxp,pca9451a";
+ reg = <0x25>;
+ interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
+ interrupt-parent = <&pcal6524>;
+
+ regulators {
+ buck1: BUCK1 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <2237500>;
+ regulator-min-microvolt = <650000>;
+ regulator-name = "BUCK1";
+ regulator-ramp-delay = <3125>;
+ };
+
+ buck2: BUCK2 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <2187500>;
+ regulator-min-microvolt = <600000>;
+ regulator-name = "BUCK2";
+ regulator-ramp-delay = <3125>;
+ };
+
+ buck4: BUCK4 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <3400000>;
+ regulator-min-microvolt = <600000>;
+ regulator-name = "BUCK4";
+ };
+
+ buck5: BUCK5 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <3400000>;
+ regulator-min-microvolt = <600000>;
+ regulator-name = "BUCK5";
+ };
+
+ buck6: BUCK6 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <3400000>;
+ regulator-min-microvolt = <600000>;
+ regulator-name = "BUCK6";
+ };
+
+ ldo1: LDO1 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <1600000>;
+ regulator-name = "LDO1";
+ };
+
+ ldo4: LDO4 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <800000>;
+ regulator-name = "LDO4";
+ };
+
+ ldo5: LDO5 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <1800000>;
+ regulator-name = "LDO5";
+ };
+ };
+ };
+
+ adp5585: io-expander@34 {
+ compatible = "adi,adp5585-00", "adi,adp5585";
+ reg = <0x34>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ #pwm-cells = <3>;
+ gpio-reserved-ranges = <5 1>;
+
+ exp-sel-hog {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-low;
+ };
+ };
+};
+
+&lpi2c3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-frequency = <400000>;
+ pinctrl-0 = <&pinctrl_lpi2c3>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ ptn5110: tcpc@50 {
+ compatible = "nxp,ptn5110", "tcpci";
+ reg = <0x50>;
+ interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio3>;
+
+ 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>;
+ };
+ };
+ };
+ };
+ };
+
+ ptn5110_2: tcpc@51 {
+ compatible = "nxp,ptn5110", "tcpci";
+ reg = <0x51>;
+ interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio3>;
+ status = "okay";
+
+ typec2_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>;
+
+ typec2_dr_sw: endpoint {
+ remote-endpoint = <&usb2_drd_sw>;
+ };
+ };
+ };
+ };
+ };
+
+ pcf2131: rtc@53 {
+ compatible = "nxp,pcf2131";
+ reg = <0x53>;
+ interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
+ interrupt-parent = <&pcal6524>;
+ status = "okay";
+ };
+};
+
+&lpuart1 {
+ pinctrl-0 = <&pinctrl_uart1>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&lpuart5 {
+ pinctrl-0 = <&pinctrl_uart5>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ bluetooth {
+ compatible = "nxp,88w8987-bt";
+ };
+};
+
+&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>;
+ };
+ };
+};
+
+&usbotg2 {
+ 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 {
+ usb2_drd_sw: endpoint {
+ remote-endpoint = <&typec2_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";
+ status = "okay";
+};
+
+&usdhc2 {
+ bus-width = <4>;
+ cd-gpios = <&gpio3 00 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-3 = <&pinctrl_usdhc2_sleep>, <&pinctrl_usdhc2_gpio_sleep>;
+ pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
+ vmmc-supply = <&reg_usdhc2_vmmc>;
+ status = "okay";
+};
+
+&wdog3 {
+ fsl,ext-reset-output;
+ status = "okay";
+};
+
+&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_eqos_sleep: eqossleepgrp {
+ fsl,pins = <
+ MX91_PAD_ENET1_MDC__GPIO4_IO0 0x31e
+ MX91_PAD_ENET1_MDIO__GPIO4_IO1 0x31e
+ MX91_PAD_ENET1_RD0__GPIO4_IO10 0x31e
+ MX91_PAD_ENET1_RD1__GPIO4_IO11 0x31e
+ MX91_PAD_ENET1_RD2__GPIO4_IO12 0x31e
+ MX91_PAD_ENET1_RD3__GPIO4_IO13 0x31e
+ MX91_PAD_ENET1_RXC__GPIO4_IO9 0x31e
+ MX91_PAD_ENET1_RX_CTL__GPIO4_IO8 0x31e
+ MX91_PAD_ENET1_TD0__GPIO4_IO5 0x31e
+ MX91_PAD_ENET1_TD1__GPIO4_IO4 0x31e
+ MX91_PAD_ENET1_TD2__GPIO4_IO3 0x31e
+ MX91_PAD_ENET1_TD3__GPIO4_IO2 0x31e
+ MX91_PAD_ENET1_TXC__GPIO4_IO7 0x31e
+ MX91_PAD_ENET1_TX_CTL__GPIO4_IO6 0x31e
+ >;
+ };
+
+ pinctrl_fec: fecgrp {
+ fsl,pins = <
+ MX91_PAD_ENET2_MDC__ENET2_MDC 0x57e
+ MX91_PAD_ENET2_MDIO__ENET2_MDIO 0x57e
+ MX91_PAD_ENET2_RD0__ENET2_RGMII_RD0 0x57e
+ MX91_PAD_ENET2_RD1__ENET2_RGMII_RD1 0x57e
+ MX91_PAD_ENET2_RD2__ENET2_RGMII_RD2 0x57e
+ MX91_PAD_ENET2_RD3__ENET2_RGMII_RD3 0x57e
+ MX91_PAD_ENET2_RXC__ENET2_RGMII_RXC 0x5fe
+ MX91_PAD_ENET2_RX_CTL__ENET2_RGMII_RX_CTL 0x57e
+ MX91_PAD_ENET2_TD0__ENET2_RGMII_TD0 0x57e
+ MX91_PAD_ENET2_TD1__ENET2_RGMII_TD1 0x57e
+ MX91_PAD_ENET2_TD2__ENET2_RGMII_TD2 0x57e
+ MX91_PAD_ENET2_TD3__ENET2_RGMII_TD3 0x57e
+ MX91_PAD_ENET2_TXC__ENET2_RGMII_TXC 0x5fe
+ MX91_PAD_ENET2_TX_CTL__ENET2_RGMII_TX_CTL 0x57e
+ >;
+ };
+
+ pinctrl_fec_sleep: fecsleepgrp {
+ fsl,pins = <
+ MX91_PAD_ENET2_MDC__GPIO4_IO14 0x51e
+ MX91_PAD_ENET2_MDIO__GPIO4_IO15 0x51e
+ MX91_PAD_ENET2_RD0__GPIO4_IO24 0x51e
+ MX91_PAD_ENET2_RD1__GPIO4_IO25 0x51e
+ MX91_PAD_ENET2_RD2__GPIO4_IO26 0x51e
+ MX91_PAD_ENET2_RD3__GPIO4_IO27 0x51e
+ MX91_PAD_ENET2_RXC__GPIO4_IO23 0x51e
+ MX91_PAD_ENET2_RX_CTL__GPIO4_IO22 0x51e
+ MX91_PAD_ENET2_TD0__GPIO4_IO19 0x51e
+ MX91_PAD_ENET2_TD1__GPIO4_IO18 0x51e
+ MX91_PAD_ENET2_TD2__GPIO4_IO17 0x51e
+ MX91_PAD_ENET2_TD3__GPIO4_IO16 0x51e
+ MX91_PAD_ENET2_TXC__GPIO4_IO21 0x51e
+ MX91_PAD_ENET2_TX_CTL__GPIO4_IO20 0x51e
+ >;
+ };
+
+ pinctrl_flexcan2: flexcan2grp {
+ fsl,pins = <
+ MX91_PAD_GPIO_IO25__CAN2_TX 0x139e
+ MX91_PAD_GPIO_IO27__CAN2_RX 0x139e
+ >;
+ };
+
+ pinctrl_flexcan2_sleep: flexcan2sleepgrp {
+ fsl,pins = <
+ MX91_PAD_GPIO_IO25__GPIO2_IO25 0x31e
+ MX91_PAD_GPIO_IO27__GPIO2_IO27 0x31e
+ >;
+ };
Is CAN used somewhere?

Best regards