# # Copyright (c) 2018 Intel Corporation # # SPDX-License-Identifier: Apache-2.0 # menuconfig SPI_FLASH_W25QXXDV bool "SPI NOR Flash Winbond W25QXXDV" select FLASH_HAS_DRIVER_ENABLED depends on SPI && FLASH if SPI_FLASH_W25QXXDV config SPI_FLASH_W25QXXDV_SPI_NAME string "SPI controller device name" config SPI_FLASH_W25QXXDV_DRV_NAME string "SPI flash device name" default "W25QXXDV" config SPI_FLASH_W25QXXDV_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_FLASH_W25QXXDV_SPI_FREQ_0 int "SPI system frequency" default 8000000 help This option sets the SPI controller's frequency. Beware this value depends on the SPI controller being used and also on the system clock. config SPI_FLASH_W25QXXDV_SPI_SLAVE int "SPI slave linked to SPI flash" help This option sets the SPI slave number the SPI controller has to switch to when dealing with WinBond SPI flash chip. config SPI_FLASH_W25QXXDV_GPIO_SPI_CS bool "Manage SPI CS through a GPIO pin" help This option is useful if one needs to manage SPI CS through a GPIO pin to by-pass the SPI controller's CS logic. config SPI_FLASH_W25QXXDV_GPIO_SPI_CS_DRV_NAME string "GPIO driver's name to use to drive SPI CS through" depends on SPI_FLASH_W25QXXDV_GPIO_SPI_CS help This option is mandatory to set which GPIO controller to use in order to actually emulate the SPI CS. config SPI_FLASH_W25QXXDV_GPIO_SPI_CS_PIN int "GPIO PIN to use to drive SPI CS through" default 0 depends on SPI_FLASH_W25QXXDV_GPIO_SPI_CS help This option is mandatory to set which GPIO pin to use in order to actually emulate the SPI CS. config SPI_FLASH_W25QXXDV_GPIO_CS_WAIT_DELAY int "Delay time in us" default 0 depends on SPI_FLASH_W25QXXDV_GPIO_SPI_CS help This is the wait delay (in us) to allow for CS switching to take effect config SPI_FLASH_W25QXXDV_FLASH_SIZE int "Flash size in bytes" default 2097152 help This is the flash capacity in bytes. config SPI_FLASH_W25QXXDV_DEVICE_ID hex "Device ID in hex" default 0x00ef4015 help This is the device ID of the flash chip to use, which is 0x00ef4015 for the W25QXXDV endif # SPI_FLASH_W25QXXDV