3  * OTP support for SPI NOR flashes
14 #define spi_nor_otp_region_len(nor) ((nor)->params->otp.org->len)
15 #define spi_nor_otp_n_regions(nor) ((nor)->params->otp.org->n_regions)
28  * 256). Thus one "security register" maps to one OTP region.
166  * spi_nor_otp_lock_sr2() - lock the OTP region
168  * @region:     OTP region
170  * Lock the OTP region by writing the status register-2. This method is used on
198  * spi_nor_otp_is_locked_sr2() - get the OTP region lock status
200  * @region:     OTP region
202  * Retrieve the OTP region lock bit by reading the status register-2. This
225 	const struct spi_nor_otp_organization *org = nor->params->otp.org;  in spi_nor_otp_region_start()
235 /* Translate the file offsets from and to OTP regions. */
250 	const struct spi_nor_otp_ops *ops = nor->params->otp.ops;  in spi_nor_mtd_otp_info()
287 	const struct spi_nor_otp_ops *ops = nor->params->otp.ops;  in spi_nor_mtd_otp_range_is_locked()
292 	 * If any of the affected OTP regions are locked the entire range is  in spi_nor_mtd_otp_range_is_locked()
312 	const struct spi_nor_otp_ops *ops = nor->params->otp.ops;  in spi_nor_mtd_otp_read_write()
344 		 * The OTP regions are mapped into a contiguous area starting  in spi_nor_mtd_otp_read_write()
346 		 * file offsets to the address of an OTP region as used in the  in spi_nor_mtd_otp_read_write()
353 		 * The size of a OTP region is expected to be a power of two,  in spi_nor_mtd_otp_read_write()
359 		/* don't access beyond one OTP region */  in spi_nor_mtd_otp_read_write()
398 	const struct spi_nor_otp_ops *ops = nor->params->otp.ops;  in spi_nor_mtd_otp_erase()
404 	/* OTP erase is optional */  in spi_nor_mtd_otp_erase()
451 	const struct spi_nor_otp_ops *ops = nor->params->otp.ops;  in spi_nor_mtd_otp_lock()
487 	if (!nor->params->otp.ops)  in spi_nor_set_mtd_otp_ops()
497 	 * different variants. One with a factory locked OTP area and one where  in spi_nor_set_mtd_otp_ops()
498 	 * it is left to the user to write to it. The factory locked OTP is  in spi_nor_set_mtd_otp_ops()