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authorSimon Glass <sjg@chromium.org>2016-07-04 11:58:22 -0600
committerSimon Glass <sjg@chromium.org>2016-07-14 20:40:24 -0600
commit1e6ca1a6ad7285569b22465b8387db242b310553 (patch)
tree3d79ded69e456ca1189337877c5b9deef0ee3025 /include/regmap.h
parenta951431e827cfd862a4c095e85e8650a6b8370f7 (diff)
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dm: core: Add an implementation of regmap_init_mem_platdata()
Add an implementation of this function which mirrors the functions of the automatic device-tree implementation. This can be used with of-platdata to create regmaps. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/regmap.h')
-rw-r--r--include/regmap.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/include/regmap.h b/include/regmap.h
index 922b39f..1eed94e 100644
--- a/include/regmap.h
+++ b/include/regmap.h
@@ -56,7 +56,20 @@ int regmap_read(struct regmap *map, uint offset, uint *valp);
*/
int regmap_init_mem(struct udevice *dev, struct regmap **mapp);
-int regmap_init_mem_platdata(struct udevice *dev, fdt32_t *reg, int size,
+/**
+ * regmap_init_mem_platdata() - Set up a new memory register map for of-platdata
+ *
+ * This creates a new regmap with a list of regions passed in, rather than
+ * using the device tree. It only supports 32-bit machines.
+ *
+ * Use regmap_uninit() to free it.
+ *
+ * @dev: Device that uses this map
+ * @reg: List of address, size pairs
+ * @count: Number of pairs (e.g. 1 if the regmap has a single entry)
+ * @mapp: Returns allocated map
+ */
+int regmap_init_mem_platdata(struct udevice *dev, u32 *reg, int count,
struct regmap **mapp);
/**