[RFC PATCH 34/77] dtc: Add import symbols (/import/ keyword) in generated dts file

From: Herve Codina

Date: Mon Jan 12 2026 - 09:21:15 EST


The import symbols (/import/ keyword) parsing from a dts file is
supported.

Add the support for this keyword in the dts file generation.

Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx>
---
treesource.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/treesource.c b/treesource.c
index 9effe38..04f65bb 100644
--- a/treesource.c
+++ b/treesource.c
@@ -381,6 +381,7 @@ static void write_tree_source_node(FILE *f, struct node *tree, int level)
void dt_to_source(FILE *f, struct dt_info *dti)
{
struct reserve_info *re;
+ struct symbol *importsym;

fprintf(f, "/dts-v1/;\n");
if (dti->dtsflags & DTSF_ADDON)
@@ -397,5 +398,14 @@ void dt_to_source(FILE *f, struct dt_info *dti)
(unsigned long long)re->size);
}

+ if (dti->importsymlist) {
+ for_each_symbol(dti->importsymlist, importsym) {
+ fprintf(f, "/import/ %s: \"%s\";\n",
+ importsym->name,
+ importsym->compatible);
+ }
+ fprintf(f, "\n");
+ }
+
write_tree_source_node(f, dti->dt, 0);
}
--
2.52.0