MIPS: add initial infrastructure for device-tree files
Prepare sub-folder for device-tree files. Make support for
device-tree on MIPS available in Kbuild/Kconfig.
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
diff --git a/arch/mips/config.mk b/arch/mips/config.mk
index 415ec8a..b78d495 100644
--- a/arch/mips/config.mk
+++ b/arch/mips/config.mk
@@ -72,6 +72,7 @@
PF_PIC := -fpic
PF_PIE := -pie
PF_OBJCOPY := -j .got -j .u_boot_list -j .rel.dyn -j .padding
+PF_OBJCOPY += -j .dtb.init.rodata
endif
PLATFORM_CPPFLAGS += -G 0 $(PF_ABICALLS) $(PF_PIC)
diff --git a/arch/mips/dts/.gitignore b/arch/mips/dts/.gitignore
new file mode 100644
index 0000000..b60ed20
--- /dev/null
+++ b/arch/mips/dts/.gitignore
@@ -0,0 +1 @@
+*.dtb
diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile
new file mode 100644
index 0000000..47b6eb5
--- /dev/null
+++ b/arch/mips/dts/Makefile
@@ -0,0 +1,16 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+dtb-y +=
+
+targets += $(dtb-y)
+
+# Add any required device tree compiler flags here
+DTC_FLAGS +=
+
+PHONY += dtbs
+dtbs: $(addprefix $(obj)/, $(dtb-y))
+ @:
+
+clean-files := *.dtb
diff --git a/arch/mips/dts/include/dt-bindings b/arch/mips/dts/include/dt-bindings
new file mode 120000
index 0000000..0cecb3d
--- /dev/null
+++ b/arch/mips/dts/include/dt-bindings
@@ -0,0 +1 @@
+../../../../include/dt-bindings
\ No newline at end of file
diff --git a/arch/mips/dts/skeleton.dtsi b/arch/mips/dts/skeleton.dtsi
new file mode 100644
index 0000000..24ee6c3
--- /dev/null
+++ b/arch/mips/dts/skeleton.dtsi
@@ -0,0 +1,23 @@
+/*
+ * Skeleton device tree; the bare minimum needed to boot; just include and
+ * add a compatible value. The bootloader will typically populate the memory
+ * node.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ chosen {
+ };
+
+ aliases {
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0 0>;
+ };
+};