ARM: rmobile: Enable USB PHY on Gen2

[oweals/u-boot.git] / drivers / core / ofnode.c

diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 5909a25f85645bb61f1b1b7ea58d4cbc690306ab..0cfb0fbabb008f45798c49ddbf2ce9148ba57b15 100644 (file)
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (c) 2017 Google, Inc
  * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -56,6 +55,38 @@ int ofnode_read_s32_default(ofnode node, const char *propname, s32 def)
        return def;
 }
 
+int ofnode_read_u64(ofnode node, const char *propname, u64 *outp)
+{
+       const fdt64_t *cell;
+       int len;
+
+       assert(ofnode_valid(node));
+       debug("%s: %s: ", __func__, propname);
+
+       if (ofnode_is_np(node))
+               return of_read_u64(ofnode_to_np(node), propname, outp);
+
+       cell = fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), propname,
+                          &len);
+       if (!cell || len < sizeof(*cell)) {
+               debug("(not found)\n");
+               return -EINVAL;
+       }
+       *outp = fdt64_to_cpu(cell[0]);
+       debug("%#llx (%lld)\n", (unsigned long long)*outp,
+             (unsigned long long)*outp);
+
+       return 0;
+}
+
+int ofnode_read_u64_default(ofnode node, const char *propname, u64 def)
+{
+       assert(ofnode_valid(node));
+       ofnode_read_u64(node, propname, &def);
+
+       return def;
+}
+
 bool ofnode_read_bool(ofnode node, const char *propname)
 {
        const void *prop;
@@ -592,6 +623,42 @@ fail:
        return ret;
 }
 
+int ofnode_read_pci_vendev(ofnode node, u16 *vendor, u16 *device)
+{
+       const char *list, *end;
+       int len;
+
+       list = ofnode_get_property(node, "compatible", &len);
+       if (!list)
+               return -ENOENT;
+
+       end = list + len;
+       while (list < end) {
+               len = strlen(list);
+               if (len >= strlen("pciVVVV,DDDD")) {
+                       char *s = strstr(list, "pci");
+
+                       /*
+                        * check if the string is something like pciVVVV,DDDD.RR
+                        * or just pciVVVV,DDDD
+                        */
+                       if (s && s[7] == ',' &&
+                           (s[12] == '.' || s[12] == 0)) {
+                               s += 3;
+                               *vendor = simple_strtol(s, NULL, 16);
+
+                               s += 5;
+                               *device = simple_strtol(s, NULL, 16);
+
+                               return 0;
+                       }
+               }
+               list += (len + 1);
+       }
+
+       return -ENOENT;
+}
+
 int ofnode_read_addr_cells(ofnode node)
 {
        if (ofnode_is_np(node))
@@ -687,3 +754,26 @@ u64 ofnode_translate_address(ofnode node, const fdt32_t *in_addr)
        else
                return fdt_translate_address(gd->fdt_blob, ofnode_to_offset(node), in_addr);
 }
+
+int ofnode_device_is_compatible(ofnode node, const char *compat)
+{
+       if (ofnode_is_np(node))
+               return of_device_is_compatible(ofnode_to_np(node), compat,
+                                              NULL, NULL);
+       else
+               return !fdt_node_check_compatible(gd->fdt_blob,
+                                                 ofnode_to_offset(node),
+                                                 compat);
+}
+
+ofnode ofnode_by_compatible(ofnode from, const char *compat)
+{
+       if (of_live_active()) {
+               return np_to_ofnode(of_find_compatible_node(
+                       (struct device_node *)ofnode_to_np(from), NULL,
+                       compat));
+       } else {
+               return offset_to_ofnode(fdt_node_offset_by_compatible(
+                               gd->fdt_blob, ofnode_to_offset(from), compat));
+       }
+}