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-rw-r--r--include/linux/nvmem-provider.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
index 1e3283c2af77..00ff92571683 100644
--- a/include/linux/nvmem-provider.h
+++ b/include/linux/nvmem-provider.h
@@ -19,6 +19,20 @@ 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,
+};
+
+static const char * const nvmem_type_str[] = {
+ [NVMEM_TYPE_UNKNOWN] = "Unknown",
+ [NVMEM_TYPE_EEPROM] = "EEPROM",
+ [NVMEM_TYPE_OTP] = "OTP",
+ [NVMEM_TYPE_BATTERY_BACKED] = "Battery backed",
+};
+
/**
* struct nvmem_config - NVMEM device configuration
*
@@ -28,6 +42,7 @@ 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.
* @reg_read: Callback to read data.
@@ -51,6 +66,7 @@ struct nvmem_config {
struct module *owner;
const struct nvmem_cell_info *cells;
int ncells;
+ enum nvmem_type type;
bool read_only;
bool root_only;
nvmem_reg_read_t reg_read;