update hardknott to add overlays support in /boot

guowenxue

2022-10-09 614d7a954dfbdeaa55500e0ba223b6899a1c7eda

update hardknott to add overlays support in /boot

 yocto/meta-igkboard/hardknott/conf/machine/igkboard.conf

@@ -18,6 +18,8 @@
IMAGE_BOOT_FILES = " \
    ${KERNEL_IMAGETYPE} \
    ${KERNEL_DEVICETREE} \
    overlays/*;overlays/ \
    config-*.txt \
"

# Remove unused optee bcm4339 bcm43455

 yocto/meta-igkboard/hardknott/recipes-images/igkboard/linuxsys-image.bb

@@ -26,7 +26,7 @@
"

CORE_IMAGE_EXTRA_INSTALL:append = " \
    drivers-mods hello-apps \
    hello-apps \
    bash bash-completion nano sudo \
    curl tree xz dnsmasq gnupg git rsync \
    e2fsprogs e2fsprogs-resize2fs parted \

 yocto/meta-igkboard/hardknott/recipes-kernel/linux/files/config-lcd.txt

New file
@@ -0,0 +1,24 @@
# Enable LCD overlay
dtoverlay_lcd=yes

# Camera overlay
dtoverlay_cam=yes

# Enable I2C overlay
dtoverlay_i2c1=yes

# Enable SPI overlay, SPI1 conflict with UART8(NB-IoT/4G module)
dtoverlay_spi1=yes

# Enable UART overlay
dtoverlay_uart=2 3 4 7

# Enable CAN overlays
dtoverlay_can=1 2

# Enable PWM overlays, PWM8 conflict with UART8(NB-IoT/4G module)
dtoverlay_pwm=7 8

# Extra overlays
#dtoverlay_extra=nbiot-4g


 yocto/meta-igkboard/hardknott/recipes-kernel/linux/files/config-nolcd.txt

New file
@@ -0,0 +1,24 @@
# Enable LCD overlay
#dtoverlay_lcd=no

# Enable Camera overlay
#dtoverlay_cam=no

# Enable I2C overlay
dtoverlay_i2c1=yes

# Enable SPI overlay, SPI1 conflict with UART8(NB-IoT/4G module)
#dtoverlay_spi1=no

# Enable UART overlays
dtoverlay_uart=2 3 4 7

# Enable CAN overlays
dtoverlay_can=1 2

# Enable PWM overlays, PWM8 conflict with UART8(NB-IoT/4G module)
dtoverlay_pwm=7

# Enable extra overlays
dtoverlay_extra=nbiot-4g w1


 yocto/meta-igkboard/hardknott/recipes-kernel/linux/files/linux-imx-lf-5.10.52-2.1.0.patch

@@ -1,6 +1,6 @@
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/igkboard.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/igkboard.dts
--- linux-imx/arch/arm/boot/dts/igkboard.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/igkboard.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/igkboard.dts    2022-10-09 13:19:22.622732242 +0800
@@ -0,0 +1,608 @@
+/*
+ * Device Tree Source for LingYun IGKBoard(IoT Gateway Kit Board)
@@ -612,7 +612,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/Makefile linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/Makefile
--- linux-imx/arch/arm/boot/dts/Makefile    2021-09-08 18:41:11.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/Makefile    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/Makefile    2022-10-09 13:19:22.622732242 +0800
@@ -1490,3 +1490,6 @@
     aspeed-bmc-opp-zaius.dtb \
     aspeed-bmc-portwell-neptune.dtb \
@@ -622,7 +622,7 @@
+subdir-$(CONFIG_SOC_IMX6UL) += overlays
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/cam.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/cam.dts
--- linux-imx/arch/arm/boot/dts/overlays/cam.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/cam.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/cam.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -650,7 +650,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/can1.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can1.dts
--- linux-imx/arch/arm/boot/dts/overlays/can1.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can1.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can1.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -682,7 +682,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/can2.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can2.dts
--- linux-imx/arch/arm/boot/dts/overlays/can2.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can2.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can2.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -714,7 +714,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/i2c1.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/i2c1.dts
--- linux-imx/arch/arm/boot/dts/overlays/i2c1.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/i2c1.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/i2c1.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -746,7 +746,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/lcd.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd.dts
--- linux-imx/arch/arm/boot/dts/overlays/lcd.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -839,7 +839,7 @@
+};
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/Makefile linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/Makefile
--- linux-imx/arch/arm/boot/dts/overlays/Makefile    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/Makefile    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/Makefile    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0
+
@@ -863,7 +863,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/nbiot-4g.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/nbiot-4g.dts
--- linux-imx/arch/arm/boot/dts/overlays/nbiot-4g.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/nbiot-4g.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/nbiot-4g.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -901,7 +901,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/pwm7.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm7.dts
--- linux-imx/arch/arm/boot/dts/overlays/pwm7.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm7.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm7.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -933,7 +933,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/pwm8.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm8.dts
--- linux-imx/arch/arm/boot/dts/overlays/pwm8.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm8.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm8.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -965,7 +965,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/spi1.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/spi1.dts
--- linux-imx/arch/arm/boot/dts/overlays/spi1.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/spi1.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/spi1.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1008,7 +1008,7 @@
+};
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart2.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart2.dts
--- linux-imx/arch/arm/boot/dts/overlays/uart2.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart2.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart2.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1038,7 +1038,7 @@
+};
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart3.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart3.dts
--- linux-imx/arch/arm/boot/dts/overlays/uart3.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart3.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart3.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1069,7 +1069,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart4.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart4.dts
--- linux-imx/arch/arm/boot/dts/overlays/uart4.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart4.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart4.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1100,7 +1100,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart7.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart7.dts
--- linux-imx/arch/arm/boot/dts/overlays/uart7.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart7.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart7.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1131,7 +1131,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/w1.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/w1.dts
--- linux-imx/arch/arm/boot/dts/overlays/w1.dts    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/w1.dts    2022-07-20 19:47:14.215487408 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/w1.dts    2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1166,7 +1166,7 @@
+
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/configs/igkboard_defconfig linux-imx-lf-5.10.52-2.1.0/arch/arm/configs/igkboard_defconfig
--- linux-imx/arch/arm/configs/igkboard_defconfig    1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/configs/igkboard_defconfig    2022-07-24 10:47:11.013928964 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/configs/igkboard_defconfig    2022-10-09 13:20:51.349955648 +0800
@@ -0,0 +1,726 @@
+CONFIG_KERNEL_LZO=y
+CONFIG_SYSVIPC=y
@@ -1896,7 +1896,7 @@
+# CONFIG_FTRACE is not set
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/drivers/bluetooth/btrtl.c linux-imx-lf-5.10.52-2.1.0/drivers/bluetooth/btrtl.c
--- linux-imx/drivers/bluetooth/btrtl.c    2021-09-08 18:41:11.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/drivers/bluetooth/btrtl.c    2022-07-24 10:55:55.972627066 +0800
+++ linux-imx-lf-5.10.52-2.1.0/drivers/bluetooth/btrtl.c    2022-10-09 13:19:22.626732206 +0800
@@ -136,12 +136,12 @@
       .fw_name  = "rtl_bt/rtl8761a_fw.bin",
       .cfg_name = "rtl_bt/rtl8761a_config" },
@@ -1915,7 +1915,7 @@
     { .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_HCIREV |
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/drivers/bluetooth/btusb.c linux-imx-lf-5.10.52-2.1.0/drivers/bluetooth/btusb.c
--- linux-imx/drivers/bluetooth/btusb.c    2021-09-08 18:41:11.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/drivers/bluetooth/btusb.c    2022-07-24 10:55:27.392918113 +0800
+++ linux-imx-lf-5.10.52-2.1.0/drivers/bluetooth/btusb.c    2022-10-09 13:19:22.626732206 +0800
@@ -419,6 +419,9 @@
     { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
     { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
@@ -1928,7 +1928,7 @@
     { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/drivers/video/backlight/pwm_bl.c linux-imx-lf-5.10.52-2.1.0/drivers/video/backlight/pwm_bl.c
--- linux-imx/drivers/video/backlight/pwm_bl.c    2021-09-08 18:41:11.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/drivers/video/backlight/pwm_bl.c    2022-07-20 19:47:14.219487363 +0800
+++ linux-imx-lf-5.10.52-2.1.0/drivers/video/backlight/pwm_bl.c    2022-10-09 13:19:22.626732206 +0800
@@ -558,6 +558,7 @@
     if (!state.period && (data->pwm_period_ns > 0))
         state.period = data->pwm_period_ns;
@@ -1939,18 +1939,28 @@
         dev_err(&pdev->dev, "failed to apply initial PWM state: %d\n",
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/Makefile linux-imx-lf-5.10.52-2.1.0/Makefile
--- linux-imx/Makefile    2021-09-08 18:41:11.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/Makefile    2022-07-24 10:36:33.204084146 +0800
+++ linux-imx-lf-5.10.52-2.1.0/Makefile    2022-10-09 13:20:41.118045212 +0800
@@ -367,7 +367,8 @@
 # Alternatively CROSS_COMPILE can be set in the environment.
 # Default value for CROSS_COMPILE is not to prefix executables
 # Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile
-ARCH        ?= $(SUBARCH)
+ARCH        ?= arm
+CROSS_COMPILE?=/opt/buildroot/cortexA7/bin/arm-linux-
+CROSS_COMPILE ?= arm-linux-gnueabihf-

 # Architecture as present in compile.h
 UTS_MACHINE     := $(ARCH)
@@ -1833,6 +1834,7 @@
@@ -1353,6 +1354,9 @@
 %.dtb: include/config/kernel.release scripts_dtc
     $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@

+%.dtbo: include/config/kernel.release scripts_dtc
+    $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
+
 PHONY += dtbs dtbs_install dtbs_check
 dtbs: include/config/kernel.release scripts_dtc
     $(Q)$(MAKE) $(build)=$(dtstree)
@@ -1833,6 +1837,7 @@
         \( -name '*.[aios]' -o -name '*.ko' -o -name '.*.cmd' \
         -o -name '*.ko.*' \
         -o -name '*.dtb' -o -name '*.dtb.S' -o -name '*.dt.yaml' \
@@ -1960,7 +1970,7 @@
         -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/scripts/Makefile.lib linux-imx-lf-5.10.52-2.1.0/scripts/Makefile.lib
--- linux-imx/scripts/Makefile.lib    2021-09-08 18:41:11.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/scripts/Makefile.lib    2022-07-20 19:47:14.223487317 +0800
+++ linux-imx-lf-5.10.52-2.1.0/scripts/Makefile.lib    2022-10-09 13:19:22.630732171 +0800
@@ -325,6 +325,16 @@
 $(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
     $(call if_changed_dep,dtc)
@@ -1980,7 +1990,7 @@
 # DT_TMP_SCHEMA may be overridden from Documentation/devicetree/bindings/Makefile
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/sound/soc/fsl/fsl_sai.c linux-imx-lf-5.10.52-2.1.0/sound/soc/fsl/fsl_sai.c
--- linux-imx/sound/soc/fsl/fsl_sai.c    2021-09-08 18:41:11.000000000 +0800
+++ linux-imx-lf-5.10.52-2.1.0/sound/soc/fsl/fsl_sai.c    2022-07-20 19:47:14.227487272 +0800
+++ linux-imx-lf-5.10.52-2.1.0/sound/soc/fsl/fsl_sai.c    2022-10-09 13:19:22.630732171 +0800
@@ -1349,7 +1349,7 @@
         sai->bus_clk = NULL;
     }

 yocto/meta-igkboard/hardknott/recipes-kernel/linux/linux-imx_5.10.bbappend

@@ -21,10 +21,70 @@
KERNEL_DANGLING_FEATURES_WARN_ONLY = "1"

FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
SRC_URI += " file://linux-imx-lf-5.10.52-2.1.0.patch "
SRC_URI += " file://linux-imx-lf-5.10.52-2.1.0.patch \
             file://config-lcd.txt \
             file://config-nolcd.txt \
           "
PATCHTOOL = "patch"

do_copy_defconfig_append() {
    cp ${S}/arch/arm/configs/igkboard_defconfig ${WORKDIR}/defconfig
    cp ${S}/arch/arm/configs/igkboard_defconfig ${B}/.config
}

KERNEL_DTC_FLAGS = "-@"

KERNEL_DEVICETREE2 ?= ""
KERNEL_DEVICETREE2:igkboard = " \
    overlays/cam.dtbo \
    overlays/can1.dtbo \
    overlays/can2.dtbo \
    overlays/i2c1.dtbo \
    overlays/lcd.dtbo \
    overlays/nbiot-4g.dtbo \
    overlays/pwm7.dtbo \
    overlays/pwm8.dtbo \
    overlays/spi1.dtbo \
    overlays/uart2.dtbo \
    overlays/uart3.dtbo \
    overlays/uart4.dtbo \
    overlays/uart7.dtbo \
    overlays/w1.dtbo \
"

# compile dtbo file, refer to: poky/meta/classes/kernel-devicetree.bbclass
do_compile:append() {
    if [ -n "${KERNEL_DTC_FLAGS}" ]; then
        export DTC_FLAGS="${KERNEL_DTC_FLAGS}"
    fi

    for dtbf in ${KERNEL_DEVICETREE2}; do
        dtb=`normalize_dtb "$dtbf"`
        oe_runmake $dtb CC="${KERNEL_CC} $cc_extra " LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
    done
}

# install to linux kernel package
FILES:${KERNEL_PACKAGE_NAME}-devicetree += "/${KERNEL_IMAGEDEST}/overlays/*.dtbo"
do_install:append() {
    for dtbf in ${KERNEL_DEVICETREE2}; do
        dtb=`normalize_dtb "$dtbf"`
        install -d ${D}/${KERNEL_IMAGEDEST}/overlays
        install -m 0644 ${B}/arch/arm/boot/dts/$dtb ${D}/${KERNEL_IMAGEDEST}/$dtb
    done

    install -m 0644 ${WORKDIR}/config-lcd.txt ${D}/${KERNEL_IMAGEDEST}/
    install -m 0644 ${WORKDIR}/config-nolcd.txt ${D}/${KERNEL_IMAGEDEST}/
}

# install to deploy images path
do_deploy:append(){
    for dtbf in ${KERNEL_DEVICETREE2}; do
        dtb=`normalize_dtb "$dtbf"`
        install -d ${deployDir}/overlays
        install -m 0644 ${B}/arch/arm/boot/dts/$dtb ${deployDir}/$dtb
    done

    install -m 0644 ${WORKDIR}/config-lcd.txt ${deployDir}/
    install -m 0644 ${WORKDIR}/config-nolcd.txt ${deployDir}/
}