[openwrt/openwrt] tegra: add testing 6.6 kernel

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/192ab0903fe77ada1c4d8cabd2d5105887df038b

commit 192ab0903fe77ada1c4d8cabd2d5105887df038b
Author: Tomasz Maciej Nowak <tmn505 at gmail.com>
AuthorDate: Wed May 29 16:24:09 2024 +0200

    tegra: add testing 6.6 kernel
    
    Preliminary support.
    
    Signed-off-by: Tomasz Maciej Nowak <tmn505 at gmail.com>
---
 target/linux/tegra/Makefile       | 1 +
 target/linux/tegra/image/Makefile | 9 +++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/target/linux/tegra/Makefile b/target/linux/tegra/Makefile
index 43ca154e8a..3513e2751e 100644
--- a/target/linux/tegra/Makefile
+++ b/target/linux/tegra/Makefile
@@ -13,6 +13,7 @@ CPU_SUBTYPE := vfpv3-d16
 SUBTARGETS := generic
 
 KERNEL_PATCHVER := 5.15
+KERNEL_TESTING_PATCHVER := 6.6
 
 include $(INCLUDE_DIR)/target.mk
 
diff --git a/target/linux/tegra/image/Makefile b/target/linux/tegra/image/Makefile
index da0b3813bb..7103b6d36e 100644
--- a/target/linux/tegra/image/Makefile
+++ b/target/linux/tegra/image/Makefile
@@ -10,8 +10,8 @@ define Build/tegra-sdcard
 	mkdir -p $@.boot
 	$(CP) $(KDIR)/$(KERNEL_NAME) $@.boot
 	$(if $(DEVICE_DTS),\
-		$(foreach dtb,$(DEVICE_DTS),$(CP) $(DTS_DIR)/$(dtb).dtb $@.boot), \
-		$(CP) $(DTS_DIR)/*.dtb $@.boot)
+		$(foreach dtb,$(DEVICE_DTS),$(CP) $(DEVICE_DTS_DIR)/$(dtb).dtb $@.boot), \
+		$(CP) $(DEVICE_DTS_DIR)/*.dtb $@.boot)
 	mkimage -A arm -O linux -T script -C none -a 0 -e 0 \
 		-n '$(DEVICE_TITLE) OpenWrt bootscript' \
 		-d $(BOOT_SCRIPT) \
@@ -32,6 +32,11 @@ DEVICE_VARS += BOOT_SCRIPT UBOOT
 
 define Device/Default
   BOOT_SCRIPT := generic-bootscript
+ifeq ($(KERNEL),6.6)
+  DEVICE_DTS_DIR := $$(DTS_DIR)/nvidia
+else
+  DEVICE_DTS_DIR := $$(DTS_DIR)
+endif
   IMAGES := sdcard.img.gz
   IMAGE/sdcard.img.gz := append-rootfs | pad-extra 128k | tegra-sdcard | gzip | append-metadata
   KERNEL_NAME := zImage