int dev_read_phandle(struct udevice *dev)
{
ofnode node = dev_ofnode(dev);
if (ofnode_is_np(node))
return ofnode_to_np(node)->phandle;
else
return fdt_get_phandle(gd->fdt_blob, ofnode_to_offset(node));
}
int dev_read_enabled(struct udevice *dev)
{
ofnode node = dev_ofnode(dev);
if (ofnode_is_np(node))
return of_device_is_available(ofnode_to_np(node));
else
return fdtdec_get_is_enabled(gd->fdt_blob,
ofnode_to_offset(node));
}
int dev_read_alias_seq(struct udevice *dev, int *devnump)
{
ofnode node = dev_ofnode(dev);
const char *uc_name = dev->uclass->uc_drv->name;
int ret;
if (ofnode_is_np(node)) {
ret = of_alias_get_id(ofnode_to_np(node), uc_name);
if (ret >= 0)
*devnump = ret;
} else {
ret = fdtdec_get_alias_seq(gd->fdt_blob, uc_name,
ofnode_to_offset(node), devnump);
}
return ret;
}
static int rpc_spi_bind(struct udevice *parent)
{
const void *fdt = gd->fdt_blob;
ofnode node;
int ret, off;
/*
* Check if there are any SPI NOR child nodes, if so, bind as
* this controller will be operated in SPI mode.
*/
dev_for_each_subnode(node, parent) {
off = ofnode_to_offset(node);
ret = fdt_node_check_compatible(fdt, off, "spi-flash");
if (!ret)
return 0;
ret = fdt_node_check_compatible(fdt, off, "jedec,spi-nor");
if (!ret)
return 0;
}
