1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/apple/multi-die-cpp.h b/arch/arm64/boot/dts/apple/multi-die-cpp.h
new file mode 100644
index 000000000000..19b565bb6e0e
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/multi-die-cpp.h
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * C preprocessor macros for t600x multi die support.
+ */
+
+#ifndef __DTS_APPLE_MULTI_DIE_CPP_H
+#define __DTS_APPLE_MULTI_DIE_CPP_H
+
+/* copied include/linux/stringify.h */
+#define __stringify_1(x...)     #x
+#define __stringify(x...)       __stringify_1(x)
+
+#define __concat_1(x, y...)     x ## y
+#define __concat(x, y...)       __concat_1(x, y)
+
+#define DIE_NODE(a) __concat(a, DIE)
+#define DIE_LABEL(a) __stringify(__concat(a, DIE))
+
+#endif /* !__LINUX_STRINGIFY_H */