imx8ulp_evk: Switch to use devicetree imported from Linux kernel release

Enable OF_UPSTREAM for i.MX8ULP EVK so that devicetree imported from
Linux kernel release can be used.

If mailbox@29220000 is enabled, gd->arch.ele_dev will be set to this
device for communication with ELE firmware. This is incorrect because
mu@27020000 is the MU used for communication with the ELE firmware. To
prevent misconfiguration, disable mailbox@29220000.

The driver model for watchdog timer is not enabled yet, so disable wdog3
temporarily.

Signed-off-by: Alice Guo <alice.guo@nxp.com>
This commit is contained in:
Alice Guo
2025-12-09 10:19:19 +08:00
committed by Fabio Estevam
parent 0da3a8a939
commit ede2e565ee
6 changed files with 10 additions and 605 deletions

View File

@@ -881,9 +881,6 @@ dtb-$(CONFIG_ARCH_IMX8) += \
fsl-imx8qxp-mek.dtb \
imx8-capricorn-cxg3.dtb \
dtb-$(CONFIG_ARCH_IMX8ULP) += \
imx8ulp-evk.dtb
dtb-$(CONFIG_ARCH_IMX8M) += \
imx8mm-data-modul-edm-sbc.dtb \
imx8mm-icore-mx8mm-ctouch2.dtb \

View File

@@ -22,6 +22,14 @@
bootph-all;
};
&mu {
status = "disabled";
};
&wdog3 {
status = "disabled";
};
&per_bridge4 {
bootph-pre-ram;
};

View File

@@ -1,125 +0,0 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright 2021 NXP
*/
/dts-v1/;
#include "imx8ulp.dtsi"
/ {
model = "NXP i.MX8ULP EVK";
compatible = "fsl,imx8ulp-evk", "fsl,imx8ulp";
chosen {
stdout-path = &lpuart5;
};
memory@80000000 {
device_type = "memory";
reg = <0x0 0x80000000 0 0x80000000>;
};
clock_ext_rmii: clock-ext-rmii {
compatible = "fixed-clock";
clock-frequency = <50000000>;
clock-output-names = "ext_rmii_clk";
#clock-cells = <0>;
};
clock_ext_ts: clock-ext-ts {
compatible = "fixed-clock";
/* External ts clock is 50MHZ from PHY on EVK board. */
clock-frequency = <50000000>;
clock-output-names = "ext_ts_clk";
#clock-cells = <0>;
};
};
&lpuart5 {
/* console */
pinctrl-names = "default", "sleep";
pinctrl-0 = <&pinctrl_lpuart5>;
pinctrl-1 = <&pinctrl_lpuart5>;
status = "okay";
};
&usdhc0 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&pinctrl_usdhc0>;
pinctrl-1 = <&pinctrl_usdhc0>;
non-removable;
bus-width = <8>;
status = "okay";
};
&fec {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&pinctrl_enet>;
pinctrl-1 = <&pinctrl_enet>;
clocks = <&cgc1 IMX8ULP_CLK_XBAR_DIVBUS>,
<&pcc4 IMX8ULP_CLK_ENET>,
<&cgc1 IMX8ULP_CLK_ENET_TS_SEL>,
<&clock_ext_rmii>;
clock-names = "ipg", "ahb", "ptp", "enet_clk_ref";
assigned-clocks = <&cgc1 IMX8ULP_CLK_ENET_TS_SEL>;
assigned-clock-parents = <&clock_ext_ts>;
phy-mode = "rmii";
phy-handle = <&ethphy>;
status = "okay";
mdio {
#address-cells = <1>;
#size-cells = <0>;
ethphy: ethernet-phy@1 {
reg = <1>;
micrel,led-mode = <1>;
};
};
};
&iomuxc1 {
pinctrl_enet: enetgrp {
fsl,pins = <
MX8ULP_PAD_PTE15__ENET0_MDC 0x43
MX8ULP_PAD_PTE14__ENET0_MDIO 0x43
MX8ULP_PAD_PTE17__ENET0_RXER 0x43
MX8ULP_PAD_PTE18__ENET0_CRS_DV 0x43
MX8ULP_PAD_PTF1__ENET0_RXD0 0x43
MX8ULP_PAD_PTE20__ENET0_RXD1 0x43
MX8ULP_PAD_PTE16__ENET0_TXEN 0x43
MX8ULP_PAD_PTE23__ENET0_TXD0 0x43
MX8ULP_PAD_PTE22__ENET0_TXD1 0x43
MX8ULP_PAD_PTE19__ENET0_REFCLK 0x43
MX8ULP_PAD_PTF10__ENET0_1588_CLKIN 0x43
>;
};
pinctrl_lpuart5: lpuart5grp {
fsl,pins = <
MX8ULP_PAD_PTF14__LPUART5_TX 0x3
MX8ULP_PAD_PTF15__LPUART5_RX 0x3
>;
};
pinctrl_usdhc0: usdhc0grp {
fsl,pins = <
MX8ULP_PAD_PTD1__SDHC0_CMD 0x43
MX8ULP_PAD_PTD2__SDHC0_CLK 0x10042
MX8ULP_PAD_PTD10__SDHC0_D0 0x43
MX8ULP_PAD_PTD9__SDHC0_D1 0x43
MX8ULP_PAD_PTD8__SDHC0_D2 0x43
MX8ULP_PAD_PTD7__SDHC0_D3 0x43
MX8ULP_PAD_PTD6__SDHC0_D4 0x43
MX8ULP_PAD_PTD5__SDHC0_D5 0x43
MX8ULP_PAD_PTD4__SDHC0_D6 0x43
MX8ULP_PAD_PTD3__SDHC0_D7 0x43
MX8ULP_PAD_PTD11__SDHC0_DQS 0x10042
>;
};
};
&wdog3 {
status = "disabled";
};

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@@ -1,476 +0,0 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright 2021 NXP
*/
#include <dt-bindings/clock/imx8ulp-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/imx8ulp-power.h>
#include "imx8ulp-pinfunc.h"
/ {
interrupt-parent = <&gic>;
#address-cells = <2>;
#size-cells = <2>;
aliases {
ethernet0 = &fec;
gpio0 = &gpiod;
gpio1 = &gpioe;
gpio2 = &gpiof;
mmc0 = &usdhc0;
mmc1 = &usdhc1;
mmc2 = &usdhc2;
serial0 = &lpuart4;
serial1 = &lpuart5;
serial2 = &lpuart6;
serial3 = &lpuart7;
};
cpus {
#address-cells = <2>;
#size-cells = <0>;
A35_0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a35";
reg = <0x0 0x0>;
enable-method = "psci";
next-level-cache = <&A35_L2>;
};
A35_1: cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a35";
reg = <0x0 0x1>;
enable-method = "psci";
next-level-cache = <&A35_L2>;
};
A35_L2: l2-cache0 {
compatible = "cache";
};
};
gic: interrupt-controller@2d400000 {
compatible = "arm,gic-v3";
reg = <0x0 0x2d400000 0 0x10000>, /* GIC Dist */
<0x0 0x2d440000 0 0xc0000>; /* GICR (RD_base + SGI_base) */
#interrupt-cells = <3>;
interrupt-controller;
interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
};
pmu {
compatible = "arm,cortex-a35-pmu";
interrupt-parent = <&gic>;
interrupts = <GIC_PPI 7
(GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
interrupt-affinity = <&A35_0>, <&A35_1>;
};
psci {
compatible = "arm,psci-1.0";
method = "smc";
};
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, /* Physical Secure */
<GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, /* Physical Non-Secure */
<GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, /* Virtual */
<GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; /* Hypervisor */
};
frosc: clock-frosc {
compatible = "fixed-clock";
clock-frequency = <192000000>;
clock-output-names = "frosc";
#clock-cells = <0>;
};
lposc: clock-lposc {
compatible = "fixed-clock";
clock-frequency = <1000000>;
clock-output-names = "lposc";
#clock-cells = <0>;
};
rosc: clock-rosc {
compatible = "fixed-clock";
clock-frequency = <32768>;
clock-output-names = "rosc";
#clock-cells = <0>;
};
sosc: clock-sosc {
compatible = "fixed-clock";
clock-frequency = <24000000>;
clock-output-names = "sosc";
#clock-cells = <0>;
};
sram@2201f000 {
compatible = "mmio-sram";
reg = <0x0 0x2201f000 0x0 0x1000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x0 0x2201f000 0x1000>;
scmi_buf: scmi-sram-section@0 {
compatible = "arm,scmi-shmem";
reg = <0x0 0x400>;
};
};
firmware {
scmi {
compatible = "arm,scmi-smc";
arm,smc-id = <0xc20000fe>;
#address-cells = <1>;
#size-cells = <0>;
shmem = <&scmi_buf>;
scmi_devpd: protocol@11 {
reg = <0x11>;
#power-domain-cells = <1>;
};
scmi_sensor: protocol@15 {
reg = <0x15>;
#thermal-sensor-cells = <1>;
};
};
};
soc: soc@0 {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x0 0x0 0x40000000>;
s4muap: mailbox@27020000 {
compatible = "fsl,imx8ulp-mu-s4";
reg = <0x27020000 0x10000>;
interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
#mbox-cells = <2>;
};
per_bridge3: bus@29000000 {
compatible = "simple-bus";
reg = <0x29000000 0x800000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
mu: mailbox@29220000 {
compatible = "fsl,imx8ulp-mu";
reg = <0x29220000 0x10000>;
interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
#mbox-cells = <2>;
status = "disabled";
};
mu3: mailbox@29230000 {
compatible = "fsl,imx8ulp-mu";
reg = <0x29230000 0x10000>;
interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc3 IMX8ULP_CLK_MU3_A>;
#mbox-cells = <2>;
status = "disabled";
};
wdog3: watchdog@292a0000 {
compatible = "fsl,imx8ulp-wdt", "fsl,imx7ulp-wdt";
reg = <0x292a0000 0x10000>;
interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc3 IMX8ULP_CLK_WDOG3>;
assigned-clocks = <&pcc3 IMX8ULP_CLK_WDOG3>;
assigned-clock-parents = <&cgc1 IMX8ULP_CLK_SOSC_DIV2>;
timeout-sec = <40>;
};
cgc1: clock-controller@292c0000 {
compatible = "fsl,imx8ulp-cgc1";
reg = <0x292c0000 0x10000>;
#clock-cells = <1>;
};
pcc3: clock-controller@292d0000 {
compatible = "fsl,imx8ulp-pcc3";
reg = <0x292d0000 0x10000>;
#clock-cells = <1>;
#reset-cells = <1>;
};
tpm5: tpm@29340000 {
compatible = "fsl,imx8ulp-tpm", "fsl,imx7ulp-tpm";
reg = <0x29340000 0x1000>;
interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc3 IMX8ULP_CLK_TPM5>,
<&pcc3 IMX8ULP_CLK_TPM5>;
clock-names = "ipg", "per";
status = "disabled";
};
lpi2c4: i2c@29370000 {
compatible = "fsl,imx8ulp-lpi2c", "fsl,imx7ulp-lpi2c";
reg = <0x29370000 0x10000>;
interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc3 IMX8ULP_CLK_LPI2C4>,
<&pcc3 IMX8ULP_CLK_LPI2C4>;
clock-names = "per", "ipg";
assigned-clocks = <&pcc3 IMX8ULP_CLK_LPI2C4>;
assigned-clock-parents = <&cgc1 IMX8ULP_CLK_FROSC_DIV2>;
assigned-clock-rates = <48000000>;
status = "disabled";
};
lpi2c5: i2c@29380000 {
compatible = "fsl,imx8ulp-lpi2c", "fsl,imx7ulp-lpi2c";
reg = <0x29380000 0x10000>;
interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc3 IMX8ULP_CLK_LPI2C5>,
<&pcc3 IMX8ULP_CLK_LPI2C5>;
clock-names = "per", "ipg";
assigned-clocks = <&pcc3 IMX8ULP_CLK_LPI2C5>;
assigned-clock-parents = <&cgc1 IMX8ULP_CLK_FROSC_DIV2>;
assigned-clock-rates = <48000000>;
status = "disabled";
};
lpuart4: serial@29390000 {
compatible = "fsl,imx8ulp-lpuart", "fsl,imx7ulp-lpuart";
reg = <0x29390000 0x1000>;
interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc3 IMX8ULP_CLK_LPUART4>;
clock-names = "ipg";
status = "disabled";
};
lpuart5: serial@293a0000 {
compatible = "fsl,imx8ulp-lpuart", "fsl,imx7ulp-lpuart";
reg = <0x293a0000 0x1000>;
interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc3 IMX8ULP_CLK_LPUART5>;
clock-names = "ipg";
status = "disabled";
};
lpspi4: spi@293b0000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx8ulp-spi", "fsl,imx7ulp-spi";
reg = <0x293b0000 0x10000>;
interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc3 IMX8ULP_CLK_LPSPI4>,
<&pcc3 IMX8ULP_CLK_LPSPI4>;
clock-names = "per", "ipg";
assigned-clocks = <&pcc3 IMX8ULP_CLK_LPSPI4>;
assigned-clock-parents = <&cgc1 IMX8ULP_CLK_FROSC_DIV2>;
assigned-clock-rates = <48000000>;
status = "disabled";
};
lpspi5: spi@293c0000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx8ulp-spi", "fsl,imx7ulp-spi";
reg = <0x293c0000 0x10000>;
interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc3 IMX8ULP_CLK_LPSPI5>,
<&pcc3 IMX8ULP_CLK_LPSPI5>;
clock-names = "per", "ipg";
assigned-clocks = <&pcc3 IMX8ULP_CLK_LPSPI5>;
assigned-clock-parents = <&cgc1 IMX8ULP_CLK_FROSC_DIV2>;
assigned-clock-rates = <48000000>;
status = "disabled";
};
};
per_bridge4: bus@29800000 {
compatible = "simple-bus";
reg = <0x29800000 0x800000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
pcc4: clock-controller@29800000 {
compatible = "fsl,imx8ulp-pcc4";
reg = <0x29800000 0x10000>;
#clock-cells = <1>;
#reset-cells = <1>;
};
lpi2c6: i2c@29840000 {
compatible = "fsl,imx8ulp-lpi2c", "fsl,imx7ulp-lpi2c";
reg = <0x29840000 0x10000>;
interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc4 IMX8ULP_CLK_LPI2C6>,
<&pcc4 IMX8ULP_CLK_LPI2C6>;
clock-names = "per", "ipg";
assigned-clocks = <&pcc4 IMX8ULP_CLK_LPI2C6>;
assigned-clock-parents = <&cgc1 IMX8ULP_CLK_FROSC_DIV2>;
assigned-clock-rates = <48000000>;
status = "disabled";
};
lpi2c7: i2c@29850000 {
compatible = "fsl,imx8ulp-lpi2c", "fsl,imx7ulp-lpi2c";
reg = <0x29850000 0x10000>;
interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc4 IMX8ULP_CLK_LPI2C7>,
<&pcc4 IMX8ULP_CLK_LPI2C7>;
clock-names = "per", "ipg";
assigned-clocks = <&pcc4 IMX8ULP_CLK_LPI2C7>;
assigned-clock-parents = <&cgc1 IMX8ULP_CLK_FROSC_DIV2>;
assigned-clock-rates = <48000000>;
status = "disabled";
};
lpuart6: serial@29860000 {
compatible = "fsl,imx8ulp-lpuart", "fsl,imx7ulp-lpuart";
reg = <0x29860000 0x1000>;
interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc4 IMX8ULP_CLK_LPUART6>;
clock-names = "ipg";
status = "disabled";
};
lpuart7: serial@29870000 {
compatible = "fsl,imx8ulp-lpuart", "fsl,imx7ulp-lpuart";
reg = <0x29870000 0x1000>;
interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc4 IMX8ULP_CLK_LPUART7>;
clock-names = "ipg";
status = "disabled";
};
iomuxc1: pinctrl@298c0000 {
compatible = "fsl,imx8ulp-iomuxc1";
reg = <0x298c0000 0x10000>;
};
usdhc0: mmc@298d0000 {
compatible = "fsl,imx8ulp-usdhc", "fsl,imx8mm-usdhc";
reg = <0x298d0000 0x10000>;
interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cgc1 IMX8ULP_CLK_XBAR_DIVBUS>,
<&cgc1 IMX8ULP_CLK_XBAR_AD_DIVPLAT>,
<&pcc4 IMX8ULP_CLK_USDHC0>;
clock-names = "ipg", "ahb", "per";
power-domains = <&scmi_devpd IMX8ULP_PD_USDHC0>;
fsl,tuning-start-tap = <20>;
fsl,tuning-step = <2>;
bus-width = <4>;
status = "disabled";
};
usdhc1: mmc@298e0000 {
compatible = "fsl,imx8ulp-usdhc", "fsl,imx8mm-usdhc";
reg = <0x298e0000 0x10000>;
interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cgc1 IMX8ULP_CLK_XBAR_DIVBUS>,
<&cgc1 IMX8ULP_CLK_NIC_PER_DIVPLAT>,
<&pcc4 IMX8ULP_CLK_USDHC1>;
clock-names = "ipg", "ahb", "per";
power-domains = <&scmi_devpd IMX8ULP_PD_USDHC1>;
fsl,tuning-start-tap = <20>;
fsl,tuning-step = <2>;
bus-width = <4>;
status = "disabled";
};
usdhc2: mmc@298f0000 {
compatible = "fsl,imx8ulp-usdhc", "fsl,imx8mm-usdhc";
reg = <0x298f0000 0x10000>;
interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cgc1 IMX8ULP_CLK_XBAR_DIVBUS>,
<&cgc1 IMX8ULP_CLK_NIC_PER_DIVPLAT>,
<&pcc4 IMX8ULP_CLK_USDHC2>;
clock-names = "ipg", "ahb", "per";
power-domains = <&scmi_devpd IMX8ULP_PD_USDHC2_USB1>;
fsl,tuning-start-tap = <20>;
fsl,tuning-step = <2>;
bus-width = <4>;
status = "disabled";
};
fec: ethernet@29950000 {
compatible = "fsl,imx8ulp-fec", "fsl,imx6ul-fec", "fsl,imx6q-fec";
reg = <0x29950000 0x10000>;
interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "int0";
fsl,num-tx-queues = <1>;
fsl,num-rx-queues = <1>;
status = "disabled";
};
};
gpioe: gpio@2d000080 {
compatible = "fsl,imx8ulp-gpio", "fsl,imx7ulp-gpio";
reg = <0x2d000080 0x1000>, <0x2d000040 0x40>;
gpio-controller;
#gpio-cells = <2>;
interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#interrupt-cells = <2>;
clocks = <&pcc4 IMX8ULP_CLK_RGPIOE>,
<&pcc4 IMX8ULP_CLK_PCTLE>;
clock-names = "gpio", "port";
gpio-ranges = <&iomuxc1 0 32 24>;
};
gpiof: gpio@2d010080 {
compatible = "fsl,imx8ulp-gpio", "fsl,imx7ulp-gpio";
reg = <0x2d010080 0x1000>, <0x2d010040 0x40>;
gpio-controller;
#gpio-cells = <2>;
interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#interrupt-cells = <2>;
clocks = <&pcc4 IMX8ULP_CLK_RGPIOF>,
<&pcc4 IMX8ULP_CLK_PCTLF>;
clock-names = "gpio", "port";
gpio-ranges = <&iomuxc1 0 64 32>;
};
per_bridge5: bus@2d800000 {
compatible = "simple-bus";
reg = <0x2d800000 0x800000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
cgc2: clock-controller@2da60000 {
compatible = "fsl,imx8ulp-cgc2";
reg = <0x2da60000 0x10000>;
#clock-cells = <1>;
};
pcc5: clock-controller@2da70000 {
compatible = "fsl,imx8ulp-pcc5";
reg = <0x2da70000 0x10000>;
#clock-cells = <1>;
#reset-cells = <1>;
};
};
gpiod: gpio@2e200080 {
compatible = "fsl,imx8ulp-gpio", "fsl,imx7ulp-gpio";
reg = <0x2e200080 0x1000>, <0x2e200040 0x40>;
gpio-controller;
#gpio-cells = <2>;
interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#interrupt-cells = <2>;
clocks = <&pcc5 IMX8ULP_CLK_RGPIOD>,
<&pcc5 IMX8ULP_CLK_RGPIOD>;
clock-names = "gpio", "port";
gpio-ranges = <&iomuxc1 0 0 24>;
};
};
};

View File

@@ -27,6 +27,7 @@ config TARGET_IMX8ULP_EVK
select IMX8ULP
select SUPPORT_SPL
select IMX8ULP_DRAM
imply OF_UPSTREAM
endchoice

View File

@@ -10,7 +10,7 @@ CONFIG_ENV_SIZE=0x2000
CONFIG_ENV_OFFSET=0x400000
CONFIG_IMX_CONFIG="arch/arm/mach-imx/imx8ulp/imximage.cfg"
CONFIG_DM_GPIO=y
CONFIG_DEFAULT_DEVICE_TREE="imx8ulp-evk"
CONFIG_DEFAULT_DEVICE_TREE="freescale/imx8ulp-evk"
CONFIG_TARGET_IMX8ULP_EVK=y
CONFIG_SYS_MONITOR_LEN=524288
CONFIG_SPL_SERIAL=y