[PATCH v4 01/22] nvmem: Document struct nvmem_config

[Andrey Smirnov <andrew.smirnov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

Add a simple description of struct nvmem_config and its fields.

Cc: Srinivas Kandagatla <srinivas.kandagatla-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
Cc: Masahiro Yamada <yamada.masahiro-uWyLwvC0a2jby3iVrkZq2A@public.gmane.org>
Cc: Carlo Caione <carlo-KA+7E9HrN00dnm+yROfE0A@public.gmane.org>
Cc: Kevin Hilman <khilman-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
Cc: Matthias Brugger <matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: cphealy-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: linux-amlogic-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Signed-off-by: Andrey Smirnov <andrew.smirnov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 include/linux/nvmem-provider.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
index 497706f5adca..27e599222ec1 100644
--- a/include/linux/nvmem-provider.h
+++ b/include/linux/nvmem-provider.h
@@ -22,6 +22,28 @@ typedef int (*nvmem_reg_read_t)(void *priv, unsigned int offset,
 typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset,
 				 void *val, size_t bytes);
 
+/**
+ * struct nvmem_config - NVMEM device configuration
+ *
+ * @dev:	Parent device.
+ * @name:	Optional name.
+ * @id:		Optional device ID used in full name. Ignored if name is NULL.
+ * @owner:	Pointer to exporter module. Used for refcounting.
+ * @cells:	Optional array of pre-defined NVMEM cells.
+ * @ncells:	Number of elements in cells.
+ * @read_only:	Device is read-only.
+ * @root_only:	Device is accessibly to root only.
+ * @reg_read:	Callback to read data.
+ * @reg_write:	Callback to write data.
+ * @size:	Device size.
+ * @word_size:	Minimum read/write access granularity.
+ * @stride:	Minimum read/write access stide.
+ * @priv:	User context passed to read/write callbacks.
+ *
+ * Note: A default "nvmem<id>" name will be assigned to the device if
+ * no name is specified in its configuration. In such case "<id>" is
+ * generated with ida_simple_get() and provided id field is ignored.
+ */
 struct nvmem_config {
 	struct device		*dev;
 	const char		*name;
-- 
2.14.3