Merge tag 'for-linus-20191129' of git://git.kernel.dk/linux-block

[linux.git] / include / linux / nvmem-provider.h

diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
index 1e3283c2af773291507ca12fb12cfb3a4250bc40..fe051323be0a2c0c44778426f3012731d03b9015 100644 (file)
--- a/include/linux/nvmem-provider.h
+++ b/include/linux/nvmem-provider.h
@@ -19,6 +19,13 @@ 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);
 
+enum nvmem_type {
+       NVMEM_TYPE_UNKNOWN = 0,
+       NVMEM_TYPE_EEPROM,
+       NVMEM_TYPE_OTP,
+       NVMEM_TYPE_BATTERY_BACKED,
+};
+
 /**
  * struct nvmem_config - NVMEM device configuration
  *
@@ -28,8 +35,10 @@ typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset,
  * @owner:     Pointer to exporter module. Used for refcounting.
  * @cells:     Optional array of pre-defined NVMEM cells.
  * @ncells:    Number of elements in cells.
+ * @type:      Type of the nvmem storage
  * @read_only: Device is read-only.
  * @root_only: Device is accessibly to root only.
+ * @no_of_node:        Device should not use the parent's of_node even if it's !NULL.
  * @reg_read:  Callback to read data.
  * @reg_write: Callback to write data.
  * @size:      Device size.
@@ -51,8 +60,10 @@ struct nvmem_config {
        struct module           *owner;
        const struct nvmem_cell_info    *cells;
        int                     ncells;
+       enum nvmem_type         type;
        bool                    read_only;
        bool                    root_only;
+       bool                    no_of_node;
        nvmem_reg_read_t        reg_read;
        nvmem_reg_write_t       reg_write;
        int     size;