device-tree: add make file support for T268

Add makefile support for T268 specific DT repos

Bug 5235249

Change-Id: I4a0a049f850445f4afd7e39662853b19cff2f27b
Signed-off-by: Vishwaroop A <va@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux/kernel-devicetree/+/3355735
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>

BUILD.bazel

@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+
+package(
+    default_visibility = [
+        "//visibility:public",
+    ],
+)
+
+filegroup(
+    name = "devicetree.scripts",
+    srcs = glob([
+        "scripts/**/*",
+    ]),
+)
+
+filegroup(
+    name = "generic-dts.srcs",
+    srcs = glob([
+        "generic-dts/**/*",
+    ]),
+)

generic-dts/Makefile

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-FileCopyrightText: Copyright (c) 2022-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: GPL-2.0-only
 
 objtree ?= $(srctree)
@@ -13,15 +13,19 @@ include $(oottree)/scripts/Makefile.lib
 
 DTC_CPP_FLAGS += $(EXTRA_CPP_FLAGS)
 
-DTC_CPP_FLAGS += -DLINUX_VERSION=600 -DTEGRA_HOST1X_DT_VERSION=2
+DTC_CPP_FLAGS += -DLINUX_VERSION=600 -DTEGRA_HOST1X_DT_VERSION=2 -DOS_LINUX
 
-ifneq ($(findstring ack_src,$(NV_BUILD_KERNEL_OPTIONS)),)
+ifdef CONFIG_TEGRA_SYSTEM_TYPE_ACK
+ifdef CONFIG_TEGRA_KLEAF_BUILD
+SOURCE_TOP := $(ROOT_DIR)
+else # !CONFIG_TEGRA_KLEAF_BUILD
 ifneq ($(TOP),)
 SOURCE_TOP := $(TOP)
 else
 $(error TOP is not defined)
 endif
-else
+endif # end of CONFIG_TEGRA_KLEAF_BUILD
+else # !CONFIG_TEGRA_SYSTEM_TYPE_ACK
 ifneq ($(TEGRA_TOP),)
 SOURCE_TOP := $(TEGRA_TOP)
 else ifneq ($(TOP),)
@@ -29,9 +33,13 @@ SOURCE_TOP := $(TOP)
 else
 $(error TEGRA_TOP or TOP is not defined)
 endif
-endif
+endif # end of CONFIG_TEGRA_SYSTEM_TYPE_ACK
 
+ifdef CONFIG_TEGRA_KLEAF_BUILD
+tegra-dtstree := $(SOURCE_TOP)/external/nvidia_dts/hardware/nvidia
+else
 tegra-dtstree := $(SOURCE_TOP)/hardware/nvidia
+endif
 
 # Get relative path for tegra-dtstree from this makefile
 null :=
@@ -41,17 +49,28 @@ obj-path-from-top := $(subst $(SOURCE_TOP),,$(obj-path))
 rel-top-path := $(subst /, $(space)/,$(obj-path-from-top))
 rel-top-path := $(patsubst /%,../,$(rel-top-path))
 rel-top-path := $(subst $(space),,$(rel-top-path))
+ifdef CONFIG_TEGRA_KLEAF_BUILD
+tegra-rel-dtstree := $(rel-top-path)/external/nvidia_dts/hardware/nvidia
+else
 tegra-rel-dtstree := $(rel-top-path)/hardware/nvidia
+endif
 
 DTC_INCLUDE :=
 # SOC independent common include
 DTC_INCLUDE += $(tegra-dtstree)/tegra/nv-public
+DTC_INCLUDE += $(tegra-dtstree)/tegra/nv-public/include/kernel
+DTC_INCLUDE += $(tegra-dtstree)/tegra/nv-public/include/nvidia-oot
+DTC_INCLUDE += $(tegra-dtstree)/tegra/nv-public/include/platforms
 
 # SOC T23X specific common include
 DTC_INCLUDE += $(tegra-dtstree)/t23x/nv-public/include/kernel
 DTC_INCLUDE += $(tegra-dtstree)/t23x/nv-public/include/nvidia-oot
 DTC_INCLUDE += $(tegra-dtstree)/t23x/nv-public/include/platforms
 DTC_INCLUDE += $(tegra-dtstree)/t23x/nv-public
+DTC_INCLUDE += $(tegra-dtstree)/t264/nv-public/include/kernel-t264
+DTC_INCLUDE += $(tegra-dtstree)/t264/nv-public
+DTC_INCLUDE += $(tegra-dtstree)/t268/dts-public/include/kernel
+DTC_INCLUDE += $(tegra-dtstree)/t268/dts-public
 
 dtb-y :=
 dtbo-y :=
@@ -60,6 +79,8 @@ DTB_LIST := $(dtb-y)
 DTBO_LIST := $(dtbo-y)
 dtb-y :=
 fdts := $(tegra-dtstree)/t23x
+fdts += $(tegra-dtstree)/t264
+fdts += $(tegra-dtstree)/t268
 
 # Add internal SOCs to scan the DT makefiles
 ifneq ($(internal_soc_list),)
@@ -139,8 +160,14 @@ dtbs: $(DTB_OBJS) $(DTBO_OBJS) FORCE
 	if [ ! -z "$(DTBS_DTBOS)" ] ; then \
 		cp -u $(DTB_OBJS) $(DTBO_OBJS) $(obj)/dtbs/ ; \
 	fi
+ifdef CONFIG_TEGRA_KLEAF_BUILD
+	if [ -d $(obj)/external/nvidia_dts/hardware/ ] ; then \
+		rm -rf $(obj)/external/nvidia_dts/hardware/ ; \
+	fi
+else
 	if [ -d $(obj)/hardware/ ] ; then \
 		rm -rf $(obj)/hardware/ ; \
 	fi
+endif
 
 clean-files := *.dtb *.dtbo *.tmp

legacy-dts/Makefile

@@ -17,7 +17,7 @@ DTC_FLAGS += -Wno-graph_endpoint
 
 DTC_CPP_FLAGS += $(EXTRA_CPP_FLAGS)
 
-DTC_CPP_FLAGS += -DLINUX_VERSION=600 -DTEGRA_HOST1X_DT_VERSION=2
+DTC_CPP_FLAGS += -DLINUX_VERSION=600 -DTEGRA_HOST1X_DT_VERSION=2 -DOS_LINUX
 
 ifneq ($(findstring ack_src,$(NV_BUILD_KERNEL_OPTIONS)),)
 ifneq ($(TOP),)