X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Ffdtdec.h;h=2590d3071fd0353eb7e96f667e74bb089c3a476a;hb=be0ecdbed5efc7833275701ebdb1ff8ef7ffd4c0;hp=a7e6ee7fdfd9afc2284e71cbdc8ee423aa695bcc;hpb=a9cf6da925af92f70165d39afca06e4fbbfcf5a7;p=u-boot

diff --git a/include/fdtdec.h b/include/fdtdec.h
index a7e6ee7fdf..2590d3071f 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -94,6 +94,8 @@ enum fdt_compat_id {
 	COMPAT_SANDBOX_LCD_SDL,		/* Sandbox LCD emulation with SDL */
 	COMPAT_TI_TPS65090,		/* Texas Instrument TPS65090 */
 	COMPAT_NXP_PTN3460,		/* NXP PTN3460 DP/LVDS bridge */
+	COMPAT_SAMSUNG_EXYNOS_SYSMMU,	/* Exynos sysmmu */
+	COMPAT_PARADE_PS8625,		/* Parade PS8622 EDP->LVDS bridge */
 
 	COMPAT_COUNT,
 };
@@ -345,6 +347,47 @@ int fdtdec_find_aliases_for_id(const void *blob, const char *name,
 int fdtdec_add_aliases_for_id(const void *blob, const char *name,
 			enum fdt_compat_id id, int *node_list, int maxcount);
 
+/**
+ * Get the alias sequence number of a node
+ *
+ * This works out whether a node is pointed to by an alias, and if so, the
+ * sequence number of that alias. Aliases are of the form <base><num> where
+ * <num> is the sequence number. For example spi2 would be sequence number
+ * 2.
+ *
+ * @param blob		Device tree blob (if NULL, then error is returned)
+ * @param base		Base name for alias (before the underscore)
+ * @param node		Node to look up
+ * @param seqp		This is set to the sequence number if one is found,
+ *			but otherwise the value is left alone
+ * @return 0 if a sequence was found, -ve if not
+ */
+int fdtdec_get_alias_seq(const void *blob, const char *base, int node,
+			 int *seqp);
+
+/**
+ * Get the offset of the given alias node
+ *
+ * This looks up an alias in /aliases then finds the offset of that node.
+ *
+ * @param blob		Device tree blob (if NULL, then error is returned)
+ * @param name		Alias name, e.g. "console"
+ * @return Node offset referred to by that alias, or -ve FDT_ERR_...
+ */
+int fdtdec_get_alias_node(const void *blob, const char *name);
+
+/**
+ * Get the offset of the given chosen node
+ *
+ * This looks up a property in /chosen containing the path to another node,
+ * then finds the offset of that node.
+ *
+ * @param blob		Device tree blob (if NULL, then error is returned)
+ * @param name		Property name, e.g. "stdout-path"
+ * @return Node offset referred to by that chosen node, or -ve FDT_ERR_...
+ */
+int fdtdec_get_chosen_node(const void *blob, const char *name);
+
 /*
  * Get the name for a compatible ID
  *