# Copyright (c) 2018 Savoir-Faire Linux. # SPDX-License-Identifier: Apache-2.0 menuconfig SPI_NOR bool "SPI NOR Flash" select FLASH_HAS_DRIVER_ENABLED depends on SPI if SPI_NOR config SPI_NOR_INIT_PRIORITY int default 80 help Device driver initialization priority. Device is connected to SPI bus, it has to be initialized after SPI driver. config SPI_NOR_CS_WAIT_DELAY int "Delay time in us" default 0 help This is the wait delay (in us) to allow for CS switching to take effect config SPI_NOR_FLASH_LAYOUT_PAGE_SIZE int "Page size to use for FLASH_LAYOUT feature" default 65536 help When CONFIG_FLASH_PAGE_LAYOUT is used this driver will support that API. By default the page size corresponds to the block size (65536). Other options include the 32K-byte erase size (32768), the sector size (4096), or any non-zero multiple of the sector size. config SPI_NOR_IDLE_IN_DPD bool "Use Deep Power-Down mode when flash is not being accessed." help Where supported deep power-down mode can reduce current draw to as little as 0.1% of standby current. However it takes some milliseconds to enter and exit from this mode. Select this option for applications where device power management is not enabled, the flash remains inactive for long periods, and when used the impact of waiting for mode enter and exit delays is acceptable. endif # SPI_NOR