Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
---
common/oftree.c | 27 +++++++++++++++++++++++++++
include/of.h | 6 ++++++
2 files changed, 33 insertions(+)
diff --git a/common/oftree.c b/common/oftree.c
index 6b20cdb..82e5ddd 100644
--- a/common/oftree.c
+++ b/common/oftree.c
@@ -229,6 +229,33 @@ void do_fixup_by_path_u32(struct fdt_header *fdt, const char *path,
do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create);
}
+void do_fixup_by_compatible(struct fdt_header *fdt, const char *compatible,
+ const char *prop, const void *val, int len, int create)
+{
+ int off = -1;
+
+ off = fdt_node_offset_by_compatible(fdt, -1, compatible);
+ while (off != -FDT_ERR_NOTFOUND) {
+ if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
+ fdt_setprop(fdt, off, prop, val, len);
+ off = fdt_node_offset_by_compatible(fdt, off, compatible);
+ }
+}
+
+void do_fixup_by_compatible_u32(struct fdt_header *fdt, const char *compatible,
+ const char *prop, u32 val, int create)
+{
+ val = cpu_to_fdt32(val);
+ do_fixup_by_compatible(fdt, compatible, prop, &val, 4, create);
+}
+
+void do_fixup_by_compatible_string(struct fdt_header *fdt, const char *compatible,
+ const char *prop, const char *val, int create)
+{
+ do_fixup_by_compatible(fdt, compatible, prop, val, strlen(val) + 1,
+ create);
+}
+
int fdt_get_path_or_create(struct fdt_header *fdt, const char *path)
{
int nodeoffset;
diff --git a/include/of.h b/include/of.h
index 4dc5b6c..95d9702 100644
--- a/include/of.h
+++ b/include/of.h
@@ -17,6 +17,12 @@ void do_fixup_by_path(struct fdt_header *fdt, const char *path, const char *prop
const void *val, int len, int create);
void do_fixup_by_path_u32(struct fdt_header *fdt, const char *path, const char *prop,
u32 val, int create);
+void do_fixup_by_compatible(struct fdt_header *fdt, const char *compatible,
+ const char *prop, const void *val, int len, int create);
+void do_fixup_by_compatible_u32(struct fdt_header *fdt, const char *compatible,
+ const char *prop, u32 val, int create);
+void do_fixup_by_compatible_string(struct fdt_header *fdt, const char *compatible,
+ const char *prop, const char *val, int create);
int fdt_get_path_or_create(struct fdt_header *fdt, const char *path);
#ifdef CONFIG_FDT
int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force);
--
1.7.10.4
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