mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 15:37:23 +00:00
f7e1de4c6a
This adds the dirmap API originally introduced in
Linux commit aa167f3fed0c
("spi: spi-mem: Add a new API to support direct mapping").
This also includes several follow-up patches and fixes.
Changes from Linux include:
* Added Kconfig option
* Changed struct device to struct udevice
* Changed struct spi_mem to struct spi_slave
This patch is obtained from the following patch
https://patchwork.ozlabs.org/project/uboot/patch/20210205043924.149504-3-seanga2@gmail.com/
The corresponding Linux kernel SHA1 is aa167f3fed0c.
Signed-off-by: Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Acked-by: Pratyush Yadav <p.yadav@ti.com>
566 lines
17 KiB
Text
566 lines
17 KiB
Text
menuconfig SPI
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bool "SPI Support"
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help
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The "Serial Peripheral Interface" is a low level synchronous
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protocol. Chips that support SPI can have data transfer rates
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up to several tens of Mbit/sec. Chips are addressed with a
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controller and a chipselect. Most SPI slaves don't support
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dynamic device discovery; some are even write-only or read-only.
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SPI is widely used by microcontrollers to talk with sensors,
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eeprom and flash memory, codecs and various other controller
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chips, analog to digital (and d-to-a) converters, and more.
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MMC and SD cards can be accessed using SPI protocol; and for
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DataFlash cards used in MMC sockets, SPI must always be used.
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SPI is one of a family of similar protocols using a four wire
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interface (select, clock, data in, data out) including Microwire
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(half duplex), SSP, SSI, and PSP. This driver framework should
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work with most such devices and controllers.
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if SPI
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config DM_SPI
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bool "Enable Driver Model for SPI drivers"
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depends on DM
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help
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Enable driver model for SPI. The SPI slave interface
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(spi_setup_slave(), spi_xfer(), etc.) is then implemented by
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the SPI uclass. Drivers provide methods to access the SPI
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buses that they control. The uclass interface is defined in
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include/spi.h. The existing spi_slave structure is attached
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as 'parent data' to every slave on each bus. Slaves
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typically use driver-private data instead of extending the
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spi_slave structure.
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config SPI_MEM
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bool "SPI memory extension"
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help
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Enable this option if you want to enable the SPI memory extension.
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This extension is meant to simplify interaction with SPI memories
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by providing an high-level interface to send memory-like commands.
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config SPI_DIRMAP
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bool "SPI direct mapping"
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depends on SPI_MEM
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help
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Enable the SPI direct mapping API. Most modern SPI controllers can
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directly map a SPI memory (or a portion of the SPI memory) in the CPU
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address space. Most of the time this brings significant performance
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improvements as it automates the whole process of sending SPI memory
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operations every time a new region is accessed.
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if DM_SPI
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config ALTERA_SPI
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bool "Altera SPI driver"
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help
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Enable the Altera SPI driver. This driver can be used to
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access the SPI NOR flash on platforms embedding this Altera
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IP core. Please find details on the "Embedded Peripherals IP
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User Guide" of Altera.
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config APPLE_SPI
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bool "Apple SPI driver"
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default y if ARCH_APPLE
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help
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Enable the Apple SPI driver. This driver can be used to
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access the SPI flash and keyboard on machines based on Apple SoCs.
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config ATCSPI200_SPI
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bool "Andestech ATCSPI200 SPI driver"
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help
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Enable the Andestech ATCSPI200 SPI driver. This driver can be
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used to access the SPI flash on AE3XX and AE250 platforms embedding
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this Andestech IP core.
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config ATH79_SPI
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bool "Atheros SPI driver"
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depends on ARCH_ATH79
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help
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Enable the Atheros ar7xxx/ar9xxx SoC SPI driver, it was used
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to access SPI NOR flash and other SPI peripherals. This driver
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uses driver model and requires a device tree binding to operate.
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please refer to doc/device-tree-bindings/spi/spi-ath79.txt.
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config ATMEL_QSPI
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bool "Atmel Quad SPI Controller"
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depends on ARCH_AT91
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help
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Enable the Atmel Quad SPI controller in master mode. This driver
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does not support generic SPI. The implementation supports only the
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spi-mem interface.
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config ATMEL_SPI
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bool "Atmel SPI driver"
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default y if ARCH_AT91
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help
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This enables driver for the Atmel SPI Controller, present on
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many AT91 (ARM) chips. This driver can be used to access
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the SPI Flash, such as AT25DF321.
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config BCM63XX_HSSPI
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bool "BCM63XX HSSPI driver"
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depends on (ARCH_BMIPS || ARCH_BCM68360 || \
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ARCH_BCM6858 || ARCH_BCM63158)
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help
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Enable the BCM6328 HSSPI driver. This driver can be used to
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access the SPI NOR flash on platforms embedding this Broadcom
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SPI core.
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config BCM63XX_SPI
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bool "BCM6348 SPI driver"
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depends on ARCH_BMIPS
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help
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Enable the BCM6348/BCM6358 SPI driver. This driver can be used to
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access the SPI NOR flash on platforms embedding these Broadcom
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SPI cores.
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config BCMSTB_SPI
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bool "BCMSTB SPI driver"
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help
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Enable the Broadcom set-top box SPI driver. This driver can
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be used to access the SPI flash on platforms embedding this
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Broadcom SPI core.
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config CORTINA_SFLASH
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bool "Cortina-Access Serial Flash controller driver"
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depends on DM_SPI && SPI_MEM
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help
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Enable the Cortina-Access Serial Flash controller driver. This driver
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can be used to access the SPI NOR/NAND flash on platforms embedding this
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Cortina-Access IP core.
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config CADENCE_QSPI
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bool "Cadence QSPI driver"
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help
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Enable the Cadence Quad-SPI (QSPI) driver. This driver can be
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used to access the SPI NOR flash on platforms embedding this
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Cadence IP core.
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config HAS_CQSPI_REF_CLK
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bool "Cadence QSPI static reference clock"
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depends on CADENCE_QSPI
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config CQSPI_REF_CLK
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int "Cadence QSPI reference clock value in Hz"
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depends on HAS_CQSPI_REF_CLK
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config CADENCE_OSPI_VERSAL
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bool "Configure Versal OSPI"
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depends on ARCH_VERSAL && CADENCE_QSPI
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imply DM_GPIO
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help
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This option is used to enable Versal OSPI DMA operations which
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are used for ospi flash read using cadence qspi controller.
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config CF_SPI
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bool "ColdFire SPI driver"
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help
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Enable the ColdFire SPI driver. This driver can be used on
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some m68k SoCs.
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config DAVINCI_SPI
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bool "Davinci & Keystone SPI driver"
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depends on ARCH_DAVINCI || ARCH_KEYSTONE
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help
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Enable the Davinci SPI driver
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config DESIGNWARE_SPI
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bool "Designware SPI driver"
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help
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Enable the Designware SPI driver. This driver can be used to
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access the SPI NOR flash on platforms embedding this Designware
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IP core.
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config EXYNOS_SPI
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bool "Samsung Exynos SPI driver"
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help
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Enable the Samsung Exynos SPI driver. This driver can be used to
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access the SPI NOR flash on platforms embedding this Samsung
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Exynos IP core.
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config FSL_DSPI
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bool "Freescale DSPI driver"
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help
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Enable the Freescale DSPI driver. This driver can be used to
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access the SPI NOR flash and SPI Data flash on platforms embedding
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this Freescale DSPI IP core. LS102xA and Colibri VF50/VF61 platforms
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use this driver.
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config FSL_QSPI
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bool "Freescale QSPI driver"
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imply SPI_FLASH_BAR
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help
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Enable the Freescale Quad-SPI (QSPI) driver. This driver can be
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used to access the SPI NOR flash on platforms embedding this
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Freescale IP core.
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config FSL_QSPI_AHB_FULL_MAP
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bool "Use full AHB memory map space"
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depends on FSL_QSPI
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default y if ARCH_MX6 || ARCH_MX7 || ARCH_MX7ULP || ARCH_IMX8M
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help
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Enable the Freescale QSPI driver to use full AHB memory map space for
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flash access.
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config GXP_SPI
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bool "SPI driver for GXP"
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imply SPI_FLASH_BAR
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help
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Enable support for SPI on GXP.
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config ICH_SPI
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bool "Intel ICH SPI driver"
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help
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Enable the Intel ICH SPI driver. This driver can be used to
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access the SPI NOR flash on platforms embedding this Intel
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ICH IP core.
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config IPROC_QSPI
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bool "Broadcom iProc QSPI Flash Controller driver"
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help
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Enable Broadcom iProc QSPI Flash Controller driver.
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This driver can be used to access the SPI NOR flash.
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config KIRKWOOD_SPI
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bool "Marvell Kirkwood SPI Driver"
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help
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Enable support for SPI on various Marvell SoCs, such as
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Kirkwood and Armada 375.
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config MESON_SPIFC
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bool "Amlogic Meson SPI Flash Controller driver"
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depends on ARCH_MESON
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help
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Enable the Amlogic Meson SPI Flash Controller SPIFC) driver.
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This driver can be used to access the SPI NOR flash chips on
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Amlogic Meson SoCs.
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config MPC8XX_SPI
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bool "MPC8XX SPI Driver"
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depends on MPC8xx
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help
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Enable support for SPI on MPC8XX
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config MPC8XXX_SPI
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bool "MPC8XXX SPI Driver"
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help
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Enable support for SPI on the MPC8XXX PowerPC SoCs.
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config MSCC_BB_SPI
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bool "MSCC bitbang SPI driver"
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depends on SOC_VCOREIII
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help
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Enable MSCC bitbang SPI driver. This driver can be used on
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MSCC SOCs.
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config MT7620_SPI
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bool "MediaTek MT7620 SPI driver"
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depends on SOC_MT7620
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help
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Enable the MT7620 SPI driver. This driver can be used to access
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generic SPI devices on MediaTek MT7620 SoC.
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config MT7621_SPI
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bool "MediaTek MT7621 SPI driver"
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depends on SOC_MT7621 || SOC_MT7628
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help
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Enable the MT7621 SPI driver. This driver can be used to access
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the SPI NOR flash on platforms embedding this Ralink / MediaTek
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SPI core, like MT7621/7628/7688.
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config MTK_SNOR
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bool "Mediatek SPI-NOR controller driver"
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depends on SPI_MEM
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help
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Enable the Mediatek SPINOR controller driver. This driver has
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better read/write performance with NOR.
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config MTK_SNFI_SPI
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bool "Mediatek SPI memory controller driver"
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depends on SPI_MEM
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help
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Enable the Mediatek SPI memory controller driver. This driver is
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originally based on the MediaTek SNFI IP core. It can only be
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used to access SPI memory devices like SPI-NOR or SPI-NAND on
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platforms embedding this IP core, like MT7622/M7629.
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config MVEBU_A3700_SPI
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bool "Marvell Armada 3700 SPI driver"
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select CLK_ARMADA_3720
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help
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Enable the Marvell Armada 3700 SPI driver. This driver can be
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used to access the SPI NOR flash on platforms embedding this
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Marvell IP core.
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config MXS_SPI
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bool "MXS SPI Driver"
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help
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Enable the MXS SPI controller driver. This driver can be used
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on the i.MX23 and i.MX28 SoCs.
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config SPI_MXIC
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bool "Macronix MX25F0A SPI controller"
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help
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Enable the Macronix MX25F0A SPI controller driver. This driver
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can be used to access the SPI flash on platforms embedding
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this Macronix IP core.
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config NPCM_FIU_SPI
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bool "FIU driver for Nuvoton NPCM SoC"
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help
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This enables support for the Flash Interface Unit SPI controller
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in master mode.
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config NXP_FSPI
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bool "NXP FlexSPI driver"
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depends on SPI_MEM
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help
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Enable the NXP FlexSPI (FSPI) driver. This driver can be used to
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access the SPI NOR flash on platforms embedding this NXP IP core.
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config OCTEON_SPI
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bool "Octeon SPI driver"
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depends on ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2
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help
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Enable the Octeon SPI driver. This driver can be used to
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access the SPI NOR flash on Octeon II/III and OcteonTX/TX2
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SoC platforms.
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config OMAP3_SPI
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bool "McSPI driver for OMAP"
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help
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SPI master controller for OMAP24XX and later Multichannel SPI
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(McSPI). This driver be used to access SPI chips on platforms
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embedding this OMAP3 McSPI IP core.
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config PIC32_SPI
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bool "Microchip PIC32 SPI driver"
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depends on MACH_PIC32
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help
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Enable the Microchip PIC32 SPI driver. This driver can be used
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to access the SPI NOR flash, MMC-over-SPI on platforms based on
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Microchip PIC32 family devices.
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config PL022_SPI
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bool "ARM AMBA PL022 SSP controller driver"
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depends on ARM
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help
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This selects the ARM(R) AMBA(R) PrimeCell PL022 SSP
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controller. If you have an embedded system with an AMBA(R)
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bus and a PL022 controller, say Y or M here.
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config SPI_QUP
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bool "Qualcomm SPI controller with QUP interface"
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depends on ARCH_IPQ40XX
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help
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Qualcomm Universal Peripheral (QUP) core is an AHB slave that
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provides a common data path (an output FIFO and an input FIFO)
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for serial peripheral interface (SPI) mini-core. SPI in master
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mode supports up to 50MHz, up to four chip selects, programmable
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data path from 4 bits to 32 bits and numerous protocol variants.
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config RENESAS_RPC_SPI
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bool "Renesas RPC SPI driver"
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depends on RCAR_GEN3 || RZA1
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imply SPI_FLASH_BAR
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help
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Enable the Renesas RPC SPI driver, used to access SPI NOR flash
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on Renesas RCar Gen3 SoCs. This uses driver model and requires a
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device tree binding to operate.
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config ROCKCHIP_SFC
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bool "Rockchip SFC Driver"
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help
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Enable the Rockchip SFC Driver for SPI NOR flash. This device is
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a limited purpose SPI controller for driving NOR flash on certain
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Rockchip SoCs. This uses driver model and requires a device tree
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binding to operate.
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config ROCKCHIP_SPI
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bool "Rockchip SPI driver"
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help
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Enable the Rockchip SPI driver, used to access SPI NOR flash and
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other SPI peripherals (such as the Chrome OS EC) on Rockchip SoCs.
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This uses driver model and requires a device tree binding to
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operate.
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config SANDBOX_SPI
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bool "Sandbox SPI driver"
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depends on SANDBOX && DM
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help
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Enable SPI support for sandbox. This is an emulation of a real SPI
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bus. Devices can be attached to the bus using the device tree
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which specifies the driver to use. As an example, see this device
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tree fragment from sandbox.dts. It shows that the SPI bus has a
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single flash device on chip select 0 which is emulated by the driver
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for "sandbox,spi-flash", which is in drivers/mtd/spi/sandbox.c.
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spi@0 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0>;
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compatible = "sandbox,spi";
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cs-gpios = <0>, <&gpio_a 0>;
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flash@0 {
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reg = <0>;
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compatible = "spansion,m25p16", "jedec,spi-nor";
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spi-max-frequency = <40000000>;
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sandbox,filename = "spi.bin";
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};
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};
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config SPI_ASPEED_SMC
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bool "ASPEED SPI flash controller driver"
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depends on DM_SPI && SPI_MEM
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default n
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help
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Enable ASPEED SPI flash controller driver for AST2500
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and AST2600 SoCs.
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config SPI_SIFIVE
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bool "SiFive SPI driver"
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help
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This driver supports the SiFive SPI IP. If unsure say N.
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Enable the SiFive SPI controller driver.
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The SiFive SPI controller driver is found on various SiFive SoCs.
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config SOFT_SPI
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bool "Soft SPI driver"
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help
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Enable Soft SPI driver. This driver is to use GPIO simulate
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the SPI protocol.
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config SPI_SUNXI
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bool "Allwinner SoC SPI controllers"
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default ARCH_SUNXI
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help
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Enable the Allwinner SoC SPi controller driver.
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Same controller driver can reuse in all Allwinner SoC variants.
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config STM32_QSPI
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bool "STM32F7 QSPI driver"
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depends on STM32F4 || STM32F7 || ARCH_STM32MP
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help
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Enable the STM32F7 Quad-SPI (QSPI) driver. This driver can be
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used to access the SPI NOR flash chips on platforms embedding
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this ST IP core.
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config STM32_SPI
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bool "STM32 SPI driver"
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depends on ARCH_STM32MP
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help
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Enable the STM32 Serial Peripheral Interface (SPI) driver for STM32MP
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SoCs. This uses driver model and requires a device tree binding to
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operate.
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config TEGRA114_SPI
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bool "nVidia Tegra114 SPI driver"
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help
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Enable the nVidia Tegra114 SPI driver. This driver can be used to
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access the SPI NOR flash on platforms embedding this nVidia Tegra114
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IP core.
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This controller is different than the older SoCs SPI controller and
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also register interface get changed with this controller.
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config TEGRA20_SFLASH
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bool "nVidia Tegra20 Serial Flash controller driver"
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help
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Enable the nVidia Tegra20 Serial Flash controller driver. This driver
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can be used to access the SPI NOR flash on platforms embedding this
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nVidia Tegra20 IP core.
|
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config TEGRA20_SLINK
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bool "nVidia Tegra20/Tegra30 SLINK driver"
|
|
help
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|
Enable the nVidia Tegra20/Tegra30 SLINK driver. This driver can
|
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be used to access the SPI NOR flash on platforms embedding this
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nVidia Tegra20/Tegra30 IP cores.
|
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config TEGRA210_QSPI
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bool "nVidia Tegra210 QSPI driver"
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|
help
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|
Enable the Tegra Quad-SPI (QSPI) driver for T210. This driver
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be used to access SPI chips on platforms embedding this
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NVIDIA Tegra210 IP core.
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config TI_QSPI
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bool "TI QSPI driver"
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imply TI_EDMA3
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help
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Enable the TI Quad-SPI (QSPI) driver for DRA7xx and AM43xx evms.
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This driver support spi flash single, quad and memory reads.
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config UNIPHIER_SPI
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bool "Socionext UniPhier SPI driver"
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depends on ARCH_UNIPHIER
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help
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|
Enable the Socionext UniPhier SPI driver. This driver can
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be used to access SPI chips on platforms embedding this
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UniPhier IP core.
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config XILINX_SPI
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bool "Xilinx SPI driver"
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help
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Enable the Xilinx SPI driver from the Xilinx EDK. This SPI
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controller support 8 bit SPI transfers only, with or w/o FIFO.
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For more info on Xilinx SPI Register Definitions and Overview
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see driver file - drivers/spi/xilinx_spi.c
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config ZYNQ_SPI
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bool "Zynq SPI driver"
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help
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|
Enable the Zynq SPI driver. This driver can be used to
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access the SPI NOR flash on platforms embedding this Zynq
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SPI IP core.
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config ZYNQ_QSPI
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bool "Zynq QSPI driver"
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imply SPI_FLASH_BAR
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|
help
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|
Enable the Zynq Quad-SPI (QSPI) driver. This driver can be
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|
used to access the SPI NOR flash on platforms embedding this
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|
Zynq QSPI IP core. This IP is used to connect the flash in
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4-bit qspi, 8-bit dual stacked and shared 4-bit dual parallel.
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|
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config ZYNQMP_GQSPI
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|
bool "Configure ZynqMP Generic QSPI"
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|
help
|
|
This option is used to enable ZynqMP QSPI controller driver which
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|
is used to communicate with qspi flash devices.
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|
|
|
endif # if DM_SPI
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|
|
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config FSL_ESPI
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|
bool "Freescale eSPI driver"
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|
imply SPI_FLASH_BAR
|
|
help
|
|
Enable the Freescale eSPI driver. This driver can be used to
|
|
access the SPI interface and SPI NOR flash on platforms embedding
|
|
this Freescale eSPI IP core.
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|
|
|
config SH_QSPI
|
|
bool "Renesas Quad SPI driver"
|
|
help
|
|
Enable the Renesas Quad SPI controller driver. This driver can be
|
|
used on Renesas SoCs.
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|
|
|
config MXC_SPI
|
|
bool "MXC SPI Driver"
|
|
help
|
|
Enable the MXC SPI controller driver. This driver can be used
|
|
on various i.MX SoCs such as i.MX31/35/51/6/7.
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|
|
|
config SYNQUACER_SPI
|
|
bool "Socionext SynQuacer HS-SPI driver"
|
|
depends on ARCH_SYNQUACER
|
|
help
|
|
Enable the Socionext HS-SPI driver for SynQuacer. This driver can
|
|
be used to access the SPI interface and SPI NOR flash on platforms
|
|
embedding this HS-SPI IP core.
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|
|
|
endif # menu "SPI Support"
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