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U-boot DTB:

imx8mprsb3720a1.conf

  1. Set u-boot DTB UBOOT_DTB_NAME = "imx8mp-rsb3720-a1.dtb"

+diff --git a/configs/imx8mp_rsb3720a1_2G_defconfig b/configs/imx8mp_rsb3720a1_2G_defconfig

+index 0a4b216aca..7cde811142 100644

+--- a/configs/imx8mp_rsb3720a1_2G_defconfig

++++ b/configs/imx8mp_rsb3720a1_2G_defconfig

+@@ -62,7 +62,7 @@ CONFIG_CMD_FAT=y

  • CONFIG_CMD_SF=y

  • CONFIG_CMD_LED=y

  • CONFIG_OF_CONTROL=y

+-CONFIG_DEFAULT_DEVICE_TREE="imx8mp-rsb3720-a1"

++ CONFIG_DEFAULT_DEVICE_TREE="imx8mp-rsb3720-a1-lvds0-auo"

  • CONFIG_ENV_IS_IN_MMC=y

  • CONFIG_ENV_IS_IN_SPI_FLASH=y

  • CONFIG_ENV_IS_NOWHERE=y

+@@ -153,3 +153,9 @@ CONFIG_DM_VIDEO=y

  • CONFIG_VIDEO_LCD_RAYDIUM_RM67191=y

  • CONFIG_VIDEO_ADV7535=y

  • CONFIG_SYS_WHITE_ON_BLACK=y

++

++CONFIG_VIDEO_IMX8MP_LVDS=y

++CONFIG_DM_PWM=y

++CONFIG_BACKLIGHT_PWM=y

++CONFIG_PWM_IMX=y

++CONFIG_ADVANTECH_LOGO=y

================

Kernel DTB loaded: The default device tree change needs to be modified in the u-boot defconfig with DEFAULT_FDT_FILE:

Set kernel load fdtfile default:

CONFIG_DEFAULT_FDT_FILE="imx8mp-rsb3720-a2.dtb"

"configs/imx8mp_rsb3720a2_6G_defconfig" 219 lines --8%--