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path: root/drivers/mtd/spi-nor/core.h
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Diffstat (limited to 'drivers/mtd/spi-nor/core.h')
-rw-r--r--drivers/mtd/spi-nor/core.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h
index 28a2e0be97a3..3348e1dd1445 100644
--- a/drivers/mtd/spi-nor/core.h
+++ b/drivers/mtd/spi-nor/core.h
@@ -207,6 +207,7 @@ struct spi_nor_otp_organization {
* @read: read from the SPI NOR OTP area.
* @write: write to the SPI NOR OTP area.
* @lock: lock an OTP region.
+ * @erase: erase an OTP region.
* @is_locked: check if an OTP region of the SPI NOR is locked.
*/
struct spi_nor_otp_ops {
@@ -214,6 +215,7 @@ struct spi_nor_otp_ops {
int (*write)(struct spi_nor *nor, loff_t addr, size_t len,
const u8 *buf);
int (*lock)(struct spi_nor *nor, unsigned int region);
+ int (*erase)(struct spi_nor *nor, loff_t addr);
int (*is_locked)(struct spi_nor *nor, unsigned int region);
};
@@ -459,6 +461,16 @@ struct spi_nor_manufacturer {
const struct spi_nor_fixups *fixups;
};
+/**
+ * struct sfdp - SFDP data
+ * @num_dwords: number of entries in the dwords array
+ * @dwords: array of double words of the SFDP data
+ */
+struct sfdp {
+ size_t num_dwords;
+ u32 *dwords;
+};
+
/* Manufacturer drivers. */
extern const struct spi_nor_manufacturer spi_nor_atmel;
extern const struct spi_nor_manufacturer spi_nor_catalyst;
@@ -478,6 +490,8 @@ extern const struct spi_nor_manufacturer spi_nor_winbond;
extern const struct spi_nor_manufacturer spi_nor_xilinx;
extern const struct spi_nor_manufacturer spi_nor_xmc;
+extern const struct attribute_group *spi_nor_sysfs_groups[];
+
void spi_nor_spimem_setup_op(const struct spi_nor *nor,
struct spi_mem_op *op,
const enum spi_nor_protocol proto);
@@ -503,10 +517,12 @@ ssize_t spi_nor_read_data(struct spi_nor *nor, loff_t from, size_t len,
u8 *buf);
ssize_t spi_nor_write_data(struct spi_nor *nor, loff_t to, size_t len,
const u8 *buf);
+int spi_nor_erase_sector(struct spi_nor *nor, u32 addr);
int spi_nor_otp_read_secr(struct spi_nor *nor, loff_t addr, size_t len, u8 *buf);
int spi_nor_otp_write_secr(struct spi_nor *nor, loff_t addr, size_t len,
const u8 *buf);
+int spi_nor_otp_erase_secr(struct spi_nor *nor, loff_t addr);
int spi_nor_otp_lock_sr2(struct spi_nor *nor, unsigned int region);
int spi_nor_otp_is_locked_sr2(struct spi_nor *nor, unsigned int region);