#include <dm.h>
#include <fdtdec.h>
#include <fdt_support.h>
+#include <log.h>
#include <malloc.h>
#include <linux/libfdt.h>
#include <dm/of_access.h>
int ofnode_read_u32(ofnode node, const char *propname, u32 *outp)
{
- assert(ofnode_valid(node));
- debug("%s: %s: ", __func__, propname);
-
- if (ofnode_is_np(node)) {
- return of_read_u32(ofnode_to_np(node), propname, outp);
- } else {
- const fdt32_t *cell;
- int len;
-
- cell = fdt_getprop(gd->fdt_blob, ofnode_to_offset(node),
- propname, &len);
- if (!cell || len < sizeof(int)) {
- debug("(not found)\n");
- return -EINVAL;
- }
- *outp = fdt32_to_cpu(cell[0]);
- }
- debug("%#x (%d)\n", *outp, *outp);
-
- return 0;
+ return ofnode_read_u32_index(node, propname, 0, outp);
}
u32 ofnode_read_u32_default(ofnode node, const char *propname, u32 def)
{
assert(ofnode_valid(node));
- ofnode_read_u32(node, propname, &def);
+ ofnode_read_u32_index(node, propname, 0, &def);
return def;
}
return ofnode_path(prop);
}
+int ofnode_get_child_count(ofnode parent)
+{
+ ofnode child;
+ int num = 0;
+
+ ofnode_for_each_subnode(child, parent)
+ num++;
+
+ return num;
+}
+
static int decode_timing_property(ofnode node, const char *name,
struct timing_entry *result)
{
propname, lenp);
}
+int ofnode_get_first_property(ofnode node, struct ofprop *prop)
+{
+ prop->node = node;
+
+ if (ofnode_is_np(node)) {
+ prop->prop = of_get_first_property(ofnode_to_np(prop->node));
+ if (!prop->prop)
+ return -FDT_ERR_NOTFOUND;
+ } else {
+ prop->offset =
+ fdt_first_property_offset(gd->fdt_blob,
+ ofnode_to_offset(prop->node));
+ if (prop->offset < 0)
+ return prop->offset;
+ }
+
+ return 0;
+}
+
+int ofnode_get_next_property(struct ofprop *prop)
+{
+ if (ofnode_is_np(prop->node)) {
+ prop->prop = of_get_next_property(ofnode_to_np(prop->node),
+ prop->prop);
+ if (!prop->prop)
+ return -FDT_ERR_NOTFOUND;
+ } else {
+ prop->offset = fdt_next_property_offset(gd->fdt_blob,
+ prop->offset);
+ if (prop->offset < 0)
+ return prop->offset;
+ }
+
+ return 0;
+}
+
+const void *ofnode_get_property_by_prop(const struct ofprop *prop,
+ const char **propname, int *lenp)
+{
+ if (ofnode_is_np(prop->node))
+ return of_get_property_by_prop(ofnode_to_np(prop->node),
+ prop->prop, propname, lenp);
+ else
+ return fdt_getprop_by_offset(gd->fdt_blob,
+ prop->offset,
+ propname, lenp);
+}
+
bool ofnode_is_available(ofnode node)
{
if (ofnode_is_np(node))