diff options
Diffstat (limited to 'drivers/spi/Kconfig')
-rw-r--r-- | drivers/spi/Kconfig | 1053 |
1 files changed, 1053 insertions, 0 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig new file mode 100644 index 000000000..74ea6b6b5 --- /dev/null +++ b/drivers/spi/Kconfig @@ -0,0 +1,1053 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# SPI driver configuration +# +menuconfig SPI + bool "SPI support" + depends on HAS_IOMEM + help + The "Serial Peripheral Interface" is a low level synchronous + protocol. Chips that support SPI can have data transfer rates + up to several tens of Mbit/sec. Chips are addressed with a + controller and a chipselect. Most SPI slaves don't support + dynamic device discovery; some are even write-only or read-only. + + SPI is widely used by microcontrollers to talk with sensors, + eeprom and flash memory, codecs and various other controller + chips, analog to digital (and d-to-a) converters, and more. + MMC and SD cards can be accessed using SPI protocol; and for + DataFlash cards used in MMC sockets, SPI must always be used. + + SPI is one of a family of similar protocols using a four wire + interface (select, clock, data in, data out) including Microwire + (half duplex), SSP, SSI, and PSP. This driver framework should + work with most such devices and controllers. + +if SPI + +config SPI_DEBUG + bool "Debug support for SPI drivers" + depends on DEBUG_KERNEL + help + Say "yes" to enable debug messaging (like dev_dbg and pr_debug), + sysfs, and debugfs support in SPI controller and protocol drivers. + +# +# MASTER side ... talking to discrete SPI slave chips including microcontrollers +# + +config SPI_MASTER +# bool "SPI Master Support" + bool + default SPI + help + If your system has an master-capable SPI controller (which + provides the clock and chipselect), you can enable that + controller and the protocol drivers for the SPI slave chips + that are connected. + +if SPI_MASTER + +config SPI_MEM + bool "SPI memory extension" + help + Enable this option if you want to enable the SPI memory extension. + This extension is meant to simplify interaction with SPI memories + by providing a high-level interface to send memory-like commands. + +comment "SPI Master Controller Drivers" + +config SPI_ALTERA + tristate "Altera SPI Controller" + select REGMAP_MMIO + help + This is the driver for the Altera SPI Controller. + +config SPI_AR934X + tristate "Qualcomm Atheros AR934X/QCA95XX SPI controller driver" + depends on ATH79 || COMPILE_TEST + help + This enables support for the SPI controller present on the + Qualcomm Atheros AR934X/QCA95XX SoCs. + +config SPI_ATH79 + tristate "Atheros AR71XX/AR724X/AR913X SPI controller driver" + depends on ATH79 || COMPILE_TEST + select SPI_BITBANG + help + This enables support for the SPI controller present on the + Atheros AR71XX/AR724X/AR913X SoCs. + +config SPI_ARMADA_3700 + tristate "Marvell Armada 3700 SPI Controller" + depends on (ARCH_MVEBU && OF) || COMPILE_TEST + help + This enables support for the SPI controller present on the + Marvell Armada 3700 SoCs. + +config SPI_ATMEL + tristate "Atmel SPI Controller" + depends on ARCH_AT91 || COMPILE_TEST + depends on OF + help + This selects a driver for the Atmel SPI Controller, present on + many AT91 ARM chips. + +config SPI_AT91_USART + tristate "Atmel USART Controller SPI driver" + depends on (ARCH_AT91 || COMPILE_TEST) + depends on MFD_AT91_USART + help + This selects a driver for the AT91 USART Controller as SPI Master, + present on AT91 and SAMA5 SoC series. + +config SPI_ATMEL_QUADSPI + tristate "Atmel Quad SPI Controller" + depends on ARCH_AT91 || COMPILE_TEST + depends on OF && HAS_IOMEM + help + This enables support for the Quad SPI controller in master mode. + This driver does not support generic SPI. The implementation only + supports spi-mem interface. + +config SPI_AU1550 + tristate "Au1550/Au1200/Au1300 SPI Controller" + depends on MIPS_ALCHEMY + select SPI_BITBANG + help + If you say yes to this option, support will be included for the + PSC SPI controller found on Au1550, Au1200 and Au1300 series. + +config SPI_AXI_SPI_ENGINE + tristate "Analog Devices AXI SPI Engine controller" + depends on HAS_IOMEM + help + This enables support for the Analog Devices AXI SPI Engine SPI controller. + It is part of the SPI Engine framework that is used in some Analog Devices + reference designs for FPGAs. + +config SPI_BCM2835 + tristate "BCM2835 SPI controller" + depends on GPIOLIB + depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST + help + This selects a driver for the Broadcom BCM2835 SPI master. + + The BCM2835 contains two types of SPI master controller; the + "universal SPI master", and the regular SPI controller. This driver + is for the regular SPI controller. Slave mode operation is not also + not supported. + +config SPI_BCM2835AUX + tristate "BCM2835 SPI auxiliary controller" + depends on ((ARCH_BCM2835 || ARCH_BRCMSTB) && GPIOLIB) || COMPILE_TEST + help + This selects a driver for the Broadcom BCM2835 SPI aux master. + + The BCM2835 contains two types of SPI master controller; the + "universal SPI master", and the regular SPI controller. + This driver is for the universal/auxiliary SPI controller. + +config SPI_BCM63XX + tristate "Broadcom BCM63xx SPI controller" + depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST + help + Enable support for the SPI controller on the Broadcom BCM63xx SoCs. + +config SPI_BCM63XX_HSSPI + tristate "Broadcom BCM63XX HS SPI controller driver" + depends on BCM63XX || BMIPS_GENERIC || ARCH_BCM_63XX || COMPILE_TEST + help + This enables support for the High Speed SPI controller present on + newer Broadcom BCM63XX SoCs. + +config SPI_BCM_QSPI + tristate "Broadcom BSPI and MSPI controller support" + depends on ARCH_BRCMSTB || ARCH_BCM || ARCH_BCM_IPROC || \ + BMIPS_GENERIC || COMPILE_TEST + default ARCH_BCM_IPROC + help + Enables support for the Broadcom SPI flash and MSPI controller. + Select this option for any one of BRCMSTB, iProc NSP and NS2 SoCs + based platforms. This driver works for both SPI master for SPI NOR + flash device as well as MSPI device. + +config SPI_BITBANG + tristate "Utilities for Bitbanging SPI masters" + help + With a few GPIO pins, your system can bitbang the SPI protocol. + Select this to get SPI support through I/O pins (GPIO, parallel + port, etc). Or, some systems' SPI master controller drivers use + this code to manage the per-word or per-transfer accesses to the + hardware shift registers. + + This is library code, and is automatically selected by drivers that + need it. You only need to select this explicitly to support driver + modules that aren't part of this kernel tree. + +config SPI_BUTTERFLY + tristate "Parallel port adapter for AVR Butterfly (DEVELOPMENT)" + depends on PARPORT + select SPI_BITBANG + help + This uses a custom parallel port cable to connect to an AVR + Butterfly <http://www.atmel.com/products/avr/butterfly>, an + inexpensive battery powered microcontroller evaluation board. + This same cable can be used to flash new firmware. + +config SPI_CADENCE + tristate "Cadence SPI controller" + help + This selects the Cadence SPI controller master driver + used by Xilinx Zynq and ZynqMP. + +config SPI_CADENCE_QUADSPI + tristate "Cadence Quad SPI controller" + depends on OF && (ARM || ARM64 || COMPILE_TEST) + help + Enable support for the Cadence Quad SPI Flash controller. + + Cadence QSPI is a specialized controller for connecting an SPI + Flash over 1/2/4-bit wide bus. Enable this option if you have a + device with a Cadence QSPI controller and want to access the + Flash as an MTD device. + +config SPI_CLPS711X + tristate "CLPS711X host SPI controller" + depends on ARCH_CLPS711X || COMPILE_TEST + help + This enables dedicated general purpose SPI/Microwire1-compatible + master mode interface (SSI1) for CLPS711X-based CPUs. + +config SPI_COLDFIRE_QSPI + tristate "Freescale Coldfire QSPI controller" + depends on (M520x || M523x || M5249 || M525x || M527x || M528x || M532x) + help + This enables support for the Coldfire QSPI controller in master + mode. + +config SPI_DAVINCI + tristate "Texas Instruments DaVinci/DA8x/OMAP-L/AM1x SoC SPI controller" + depends on ARCH_DAVINCI || ARCH_KEYSTONE + select SPI_BITBANG + help + SPI master controller for DaVinci/DA8x/OMAP-L/AM1x SPI modules. + +config SPI_DESIGNWARE + tristate "DesignWare SPI controller core support" + imply SPI_MEM + help + general driver for SPI controller core from DesignWare + +if SPI_DESIGNWARE + +config SPI_DW_DMA + bool "DMA support for DW SPI controller" + +config SPI_DW_PCI + tristate "PCI interface driver for DW SPI core" + depends on PCI + +config SPI_DW_MMIO + tristate "Memory-mapped io interface driver for DW SPI core" + depends on HAS_IOMEM + +config SPI_DW_BT1 + tristate "Baikal-T1 SPI driver for DW SPI core" + depends on MIPS_BAIKAL_T1 || COMPILE_TEST + select MULTIPLEXER + help + Baikal-T1 SoC is equipped with three DW APB SSI-based MMIO SPI + controllers. Two of them are pretty much normal: with IRQ, DMA, + FIFOs of 64 words depth, 4x CSs, but the third one as being a + part of the Baikal-T1 System Boot Controller has got a very + limited resources: no IRQ, no DMA, only a single native + chip-select and Tx/Rx FIFO with just 8 words depth available. + The later one is normally connected to an external SPI-nor flash + of 128Mb (in general can be of bigger size). + +config SPI_DW_BT1_DIRMAP + bool "Directly mapped Baikal-T1 Boot SPI flash support" + depends on SPI_DW_BT1 + help + Directly mapped SPI flash memory is an interface specific to the + Baikal-T1 System Boot Controller. It is a 16MB MMIO region, which + can be used to access a peripheral memory device just by + reading/writing data from/to it. Note that the system APB bus + will stall during each IO from/to the dirmap region until the + operation is finished. So try not to use it concurrently with + time-critical tasks (like the SPI memory operations implemented + in this driver). + +endif + +config SPI_DLN2 + tristate "Diolan DLN-2 USB SPI adapter" + depends on MFD_DLN2 + help + If you say yes to this option, support will be included for Diolan + DLN2, a USB to SPI interface. + + This driver can also be built as a module. If so, the module + will be called spi-dln2. + +config SPI_EFM32 + tristate "EFM32 SPI controller" + depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) + select SPI_BITBANG + help + Driver for the spi controller found on Energy Micro's EFM32 SoCs. + +config SPI_EP93XX + tristate "Cirrus Logic EP93xx SPI controller" + depends on ARCH_EP93XX || COMPILE_TEST + help + This enables using the Cirrus EP93xx SPI controller in master + mode. + +config SPI_FALCON + bool "Falcon SPI controller support" + depends on SOC_FALCON + help + The external bus unit (EBU) found on the FALC-ON SoC has SPI + emulation that is designed for serial flash access. This driver + has only been tested with m25p80 type chips. The hardware has no + support for other types of SPI peripherals. + +config SPI_FSI + tristate "FSI SPI driver" + depends on FSI + help + This enables support for the driver for FSI bus attached SPI + controllers. + +config SPI_FSL_LPSPI + tristate "Freescale i.MX LPSPI controller" + depends on ARCH_MXC || COMPILE_TEST + help + This enables Freescale i.MX LPSPI controllers in master mode. + +config SPI_FSL_QUADSPI + tristate "Freescale QSPI controller" + depends on ARCH_MXC || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST + depends on HAS_IOMEM + help + This enables support for the Quad SPI controller in master mode. + Up to four flash chips can be connected on two buses with two + chipselects each. + This controller does not support generic SPI messages. It only + supports the high-level SPI memory interface. + +config SPI_HISI_SFC_V3XX + tristate "HiSilicon SPI NOR Flash Controller for Hi16XX chipsets" + depends on (ARM64 && ACPI) || COMPILE_TEST + depends on HAS_IOMEM + help + This enables support for HiSilicon v3xx SPI NOR flash controller + found in hi16xx chipsets. + +config SPI_NXP_FLEXSPI + tristate "NXP Flex SPI controller" + depends on ARCH_LAYERSCAPE || HAS_IOMEM + help + This enables support for the Flex SPI controller in master mode. + Up to four slave devices can be connected on two buses with two + chipselects each. + This controller does not support generic SPI messages and only + supports the high-level SPI memory interface. + +config SPI_GPIO + tristate "GPIO-based bitbanging SPI Master" + depends on GPIOLIB || COMPILE_TEST + select SPI_BITBANG + help + This simple GPIO bitbanging SPI master uses the arch-neutral GPIO + interface to manage MOSI, MISO, SCK, and chipselect signals. SPI + slaves connected to a bus using this driver are configured as usual, + except that the spi_board_info.controller_data holds the GPIO number + for the chipselect used by this controller driver. + + Note that this driver often won't achieve even 1 Mbit/sec speeds, + making it unusually slow for SPI. If your platform can inline + GPIO operations, you should be able to leverage that for better + speed with a custom version of this driver; see the source code. + +config SPI_IMG_SPFI + tristate "IMG SPFI controller" + depends on MIPS || COMPILE_TEST + help + This enables support for the SPFI master controller found on + IMG SoCs. + +config SPI_IMX + tristate "Freescale i.MX SPI controllers" + depends on ARCH_MXC || COMPILE_TEST + select SPI_BITBANG + help + This enables support for the Freescale i.MX SPI controllers. + +config SPI_JCORE + tristate "J-Core SPI Master" + depends on OF && (SUPERH || COMPILE_TEST) + help + This enables support for the SPI master controller in the J-Core + synthesizable, open source SoC. + +config SPI_LM70_LLP + tristate "Parallel port adapter for LM70 eval board (DEVELOPMENT)" + depends on PARPORT + select SPI_BITBANG + help + This driver supports the NS LM70 LLP Evaluation Board, + which interfaces to an LM70 temperature sensor using + a parallel port. + +config SPI_LP8841_RTC + tristate "ICP DAS LP-8841 SPI Controller for RTC" + depends on MACH_PXA27X_DT || COMPILE_TEST + help + This driver provides an SPI master device to drive Maxim + DS-1302 real time clock. + + Say N here unless you plan to run the kernel on an ICP DAS + LP-8x4x industrial computer. + +config SPI_MPC52xx + tristate "Freescale MPC52xx SPI (non-PSC) controller support" + depends on PPC_MPC52xx + help + This drivers supports the MPC52xx SPI controller in master SPI + mode. + +config SPI_MPC52xx_PSC + tristate "Freescale MPC52xx PSC SPI controller" + depends on PPC_MPC52xx + help + This enables using the Freescale MPC52xx Programmable Serial + Controller in master SPI mode. + +config SPI_MPC512x_PSC + tristate "Freescale MPC512x PSC SPI controller" + depends on PPC_MPC512x + help + This enables using the Freescale MPC5121 Programmable Serial + Controller in SPI master mode. + +config SPI_FSL_LIB + tristate + depends on OF + +config SPI_FSL_CPM + tristate + depends on FSL_SOC + +config SPI_FSL_SPI + tristate "Freescale SPI controller and Aeroflex Gaisler GRLIB SPI controller" + depends on OF + select SPI_FSL_LIB + select SPI_FSL_CPM if FSL_SOC + help + This enables using the Freescale SPI controllers in master mode. + MPC83xx platform uses the controller in cpu mode or CPM/QE mode. + MPC8569 uses the controller in QE mode, MPC8610 in cpu mode. + This also enables using the Aeroflex Gaisler GRLIB SPI controller in + master mode. + +config SPI_FSL_DSPI + tristate "Freescale DSPI controller" + select REGMAP_MMIO + depends on SOC_VF610 || SOC_LS1021A || ARCH_LAYERSCAPE || M5441x || COMPILE_TEST + help + This enables support for the Freescale DSPI controller in master + mode. VF610, LS1021A and ColdFire platforms uses the controller. + +config SPI_FSL_ESPI + tristate "Freescale eSPI controller" + depends on FSL_SOC + help + This enables using the Freescale eSPI controllers in master mode. + From MPC8536, 85xx platform uses the controller, and all P10xx, + P20xx, P30xx,P40xx, P50xx uses this controller. + +config SPI_MESON_SPICC + tristate "Amlogic Meson SPICC controller" + depends on COMMON_CLK + depends on ARCH_MESON || COMPILE_TEST + help + This enables master mode support for the SPICC (SPI communication + controller) available in Amlogic Meson SoCs. + +config SPI_MESON_SPIFC + tristate "Amlogic Meson SPIFC controller" + depends on ARCH_MESON || COMPILE_TEST + select REGMAP_MMIO + help + This enables master mode support for the SPIFC (SPI flash + controller) available in Amlogic Meson SoCs. + +config SPI_MT65XX + tristate "MediaTek SPI controller" + depends on ARCH_MEDIATEK || COMPILE_TEST + help + This selects the MediaTek(R) SPI bus driver. + If you want to use MediaTek(R) SPI interface, + say Y or M here.If you are not sure, say N. + SPI drivers for Mediatek MT65XX and MT81XX series ARM SoCs. + +config SPI_MT7621 + tristate "MediaTek MT7621 SPI Controller" + depends on RALINK || COMPILE_TEST + help + This selects a driver for the MediaTek MT7621 SPI Controller. + +config SPI_MTK_NOR + tristate "MediaTek SPI NOR controller" + depends on ARCH_MEDIATEK || COMPILE_TEST + help + This enables support for SPI NOR controller found on MediaTek + ARM SoCs. This is a controller specifically for SPI NOR flash. + It can perform generic SPI transfers up to 6 bytes via generic + SPI interface as well as several SPI NOR specific instructions + via SPI MEM interface. + +config SPI_NPCM_FIU + tristate "Nuvoton NPCM FLASH Interface Unit" + depends on ARCH_NPCM || COMPILE_TEST + depends on OF && HAS_IOMEM + help + This enables support for the Flash Interface Unit SPI controller + in master mode. + This driver does not support generic SPI. The implementation only + supports spi-mem interface. + +config SPI_NPCM_PSPI + tristate "Nuvoton NPCM PSPI Controller" + depends on ARCH_NPCM || COMPILE_TEST + help + This driver provides support for Nuvoton NPCM BMC + Peripheral SPI controller in master mode. + +config SPI_LANTIQ_SSC + tristate "Lantiq SSC SPI controller" + depends on LANTIQ || X86 || COMPILE_TEST + help + This driver supports the Lantiq SSC SPI controller in master + mode. This controller is found on Intel (former Lantiq) SoCs like + the Danube, Falcon, xRX200, xRX300, Lightning Mountain. + +config SPI_OC_TINY + tristate "OpenCores tiny SPI" + depends on GPIOLIB || COMPILE_TEST + select SPI_BITBANG + help + This is the driver for OpenCores tiny SPI master controller. + +config SPI_OCTEON + tristate "Cavium OCTEON SPI controller" + depends on CAVIUM_OCTEON_SOC + help + SPI host driver for the hardware found on some Cavium OCTEON + SOCs. + +config SPI_OMAP_UWIRE + tristate "OMAP1 MicroWire" + depends on ARCH_OMAP1 + select SPI_BITBANG + help + This hooks up to the MicroWire controller on OMAP1 chips. + +config SPI_OMAP24XX + tristate "McSPI driver for OMAP" + depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST + select SG_SPLIT + help + SPI master controller for OMAP24XX and later Multichannel SPI + (McSPI) modules. + +config SPI_TI_QSPI + tristate "DRA7xxx QSPI controller support" + depends on ARCH_OMAP2PLUS || COMPILE_TEST + help + QSPI master controller for DRA7xxx used for flash devices. + This device supports single, dual and quad read support, while + it only supports single write mode. + +config SPI_OMAP_100K + tristate "OMAP SPI 100K" + depends on ARCH_OMAP850 || ARCH_OMAP730 || COMPILE_TEST + help + OMAP SPI 100K master controller for omap7xx boards. + +config SPI_ORION + tristate "Orion SPI master" + depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST + help + This enables using the SPI master controller on the Orion + and MVEBU chips. + +config SPI_PIC32 + tristate "Microchip PIC32 series SPI" + depends on MACH_PIC32 || COMPILE_TEST + help + SPI driver for Microchip PIC32 SPI master controller. + +config SPI_PIC32_SQI + tristate "Microchip PIC32 Quad SPI driver" + depends on MACH_PIC32 || COMPILE_TEST + help + SPI driver for PIC32 Quad SPI controller. + +config SPI_PL022 + tristate "ARM AMBA PL022 SSP controller" + depends on ARM_AMBA + default y if MACH_U300 + default y if ARCH_REALVIEW + default y if INTEGRATOR_IMPD1 + default y if ARCH_VERSATILE + help + This selects the ARM(R) AMBA(R) PrimeCell PL022 SSP + controller. If you have an embedded system with an AMBA(R) + bus and a PL022 controller, say Y or M here. + +config SPI_PPC4xx + tristate "PPC4xx SPI Controller" + depends on PPC32 && 4xx + select SPI_BITBANG + help + This selects a driver for the PPC4xx SPI Controller. + +config SPI_PXA2XX + tristate "PXA2xx SSP SPI master" + depends on ARCH_PXA || ARCH_MMP || PCI || ACPI || COMPILE_TEST + select PXA_SSP if ARCH_PXA || ARCH_MMP + help + This enables using a PXA2xx or Sodaville SSP port as a SPI master + controller. The driver can be configured to use any SSP port and + additional documentation can be found a Documentation/spi/pxa2xx.rst. + +config SPI_PXA2XX_PCI + def_tristate SPI_PXA2XX && PCI && COMMON_CLK + +config SPI_ROCKCHIP + tristate "Rockchip SPI controller driver" + help + This selects a driver for Rockchip SPI controller. + + If you say yes to this option, support will be included for + RK3066, RK3188 and RK3288 families of SPI controller. + Rockchip SPI controller support DMA transport and PIO mode. + The main usecase of this controller is to use spi flash as boot + device. + +config SPI_RB4XX + tristate "Mikrotik RB4XX SPI master" + depends on SPI_MASTER && ATH79 + help + SPI controller driver for the Mikrotik RB4xx series boards. + +config SPI_RPCIF + tristate "Renesas RPC-IF SPI driver" + depends on RENESAS_RPCIF + help + SPI driver for Renesas R-Car Gen3 RPC-IF. + +config SPI_RSPI + tristate "Renesas RSPI/QSPI controller" + depends on SUPERH || ARCH_RENESAS || COMPILE_TEST + help + SPI driver for Renesas RSPI and QSPI blocks. + +config SPI_QCOM_QSPI + tristate "QTI QSPI controller" + depends on ARCH_QCOM + help + QSPI(Quad SPI) driver for Qualcomm QSPI controller. + +config SPI_QUP + tristate "Qualcomm SPI controller with QUP interface" + depends on ARCH_QCOM || COMPILE_TEST + help + Qualcomm Universal Peripheral (QUP) core is an AHB slave that + provides a common data path (an output FIFO and an input FIFO) + for serial peripheral interface (SPI) mini-core. SPI in master + mode supports up to 50MHz, up to four chip selects, programmable + data path from 4 bits to 32 bits and numerous protocol variants. + + This driver can also be built as a module. If so, the module + will be called spi_qup. + +config SPI_QCOM_GENI + tristate "Qualcomm GENI based SPI controller" + depends on QCOM_GENI_SE + help + This driver supports GENI serial engine based SPI controller in + master mode on the Qualcomm Technologies Inc.'s SoCs. If you say + yes to this option, support will be included for the built-in SPI + interface on the Qualcomm Technologies Inc.'s SoCs. + + This driver can also be built as a module. If so, the module + will be called spi-geni-qcom. + +config SPI_S3C24XX + tristate "Samsung S3C24XX series SPI" + depends on ARCH_S3C24XX + select SPI_BITBANG + help + SPI driver for Samsung S3C24XX series ARM SoCs + +config SPI_S3C24XX_FIQ + bool "S3C24XX driver with FIQ pseudo-DMA" + depends on SPI_S3C24XX + select FIQ + help + Enable FIQ support for the S3C24XX SPI driver to provide pseudo + DMA by using the fast-interrupt request framework, This allows + the driver to get DMA-like performance when there are either + no free DMA channels, or when doing transfers that required both + TX and RX data paths. + +config SPI_S3C64XX + tristate "Samsung S3C64XX series type SPI" + depends on (PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST) + help + SPI driver for Samsung S3C64XX and newer SoCs. + +config SPI_SC18IS602 + tristate "NXP SC18IS602/602B/603 I2C to SPI bridge" + depends on I2C + help + SPI driver for NXP SC18IS602/602B/603 I2C to SPI bridge. + +config SPI_SH_MSIOF + tristate "SuperH MSIOF SPI controller" + depends on HAVE_CLK + depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST + help + SPI driver for SuperH and SH Mobile MSIOF blocks. + +config SPI_SH + tristate "SuperH SPI controller" + depends on SUPERH || COMPILE_TEST + help + SPI driver for SuperH SPI blocks. + +config SPI_SH_SCI + tristate "SuperH SCI SPI controller" + depends on SUPERH + select SPI_BITBANG + help + SPI driver for SuperH SCI blocks. + +config SPI_SH_HSPI + tristate "SuperH HSPI controller" + depends on ARCH_RENESAS || COMPILE_TEST + help + SPI driver for SuperH HSPI blocks. + +config SPI_SIFIVE + tristate "SiFive SPI controller" + depends on HAS_IOMEM + help + This exposes the SPI controller IP from SiFive. + +config SPI_SIRF + tristate "CSR SiRFprimaII SPI controller" + depends on SIRF_DMA + select SPI_BITBANG + help + SPI driver for CSR SiRFprimaII SoCs + +config SPI_SLAVE_MT27XX + tristate "MediaTek SPI slave device" + depends on ARCH_MEDIATEK || COMPILE_TEST + depends on SPI_SLAVE + help + This selects the MediaTek(R) SPI slave device driver. + If you want to use MediaTek(R) SPI slave interface, + say Y or M here.If you are not sure, say N. + SPI slave drivers for Mediatek MT27XX series ARM SoCs. + +config SPI_SPRD + tristate "Spreadtrum SPI controller" + depends on ARCH_SPRD || COMPILE_TEST + help + SPI driver for Spreadtrum SoCs. + +config SPI_SPRD_ADI + tristate "Spreadtrum ADI controller" + depends on ARCH_SPRD || COMPILE_TEST + depends on HWSPINLOCK || (COMPILE_TEST && !HWSPINLOCK) + help + ADI driver based on SPI for Spreadtrum SoCs. + +config SPI_STM32 + tristate "STMicroelectronics STM32 SPI controller" + depends on ARCH_STM32 || COMPILE_TEST + help + SPI driver for STMicroelectronics STM32 SoCs. + + STM32 SPI controller supports DMA and PIO modes. When DMA + is not available, the driver automatically falls back to + PIO mode. + +config SPI_STM32_QSPI + tristate "STMicroelectronics STM32 QUAD SPI controller" + depends on ARCH_STM32 || COMPILE_TEST + depends on OF + help + This enables support for the Quad SPI controller in master mode. + This driver does not support generic SPI. The implementation only + supports spi-mem interface. + +config SPI_ST_SSC4 + tristate "STMicroelectronics SPI SSC-based driver" + depends on ARCH_STI || COMPILE_TEST + help + STMicroelectronics SoCs support for SPI. If you say yes to + this option, support will be included for the SSC driven SPI. + +config SPI_SUN4I + tristate "Allwinner A10 SoCs SPI controller" + depends on ARCH_SUNXI || COMPILE_TEST + help + SPI driver for Allwinner sun4i, sun5i and sun7i SoCs + +config SPI_SUN6I + tristate "Allwinner A31 SPI controller" + depends on ARCH_SUNXI || COMPILE_TEST + depends on RESET_CONTROLLER + help + This enables using the SPI controller on the Allwinner A31 SoCs. + +config SPI_SYNQUACER + tristate "Socionext's SynQuacer HighSpeed SPI controller" + depends on ARCH_SYNQUACER || COMPILE_TEST + help + SPI driver for Socionext's High speed SPI controller which provides + various operating modes for interfacing to serial peripheral devices + that use the de-facto standard SPI protocol. + + It also supports the new dual-bit and quad-bit SPI protocol. + +config SPI_MXIC + tristate "Macronix MX25F0A SPI controller" + depends on SPI_MASTER + help + This selects the Macronix MX25F0A SPI controller driver. + +config SPI_MXS + tristate "Freescale MXS SPI controller" + depends on ARCH_MXS + select STMP_DEVICE + help + SPI driver for Freescale MXS devices. + +config SPI_TEGRA114 + tristate "NVIDIA Tegra114 SPI Controller" + depends on (ARCH_TEGRA && TEGRA20_APB_DMA) || COMPILE_TEST + depends on RESET_CONTROLLER + help + SPI driver for NVIDIA Tegra114 SPI Controller interface. This controller + is different than the older SoCs SPI controller and also register interface + get changed with this controller. + +config SPI_TEGRA20_SFLASH + tristate "Nvidia Tegra20 Serial flash Controller" + depends on ARCH_TEGRA || COMPILE_TEST + depends on RESET_CONTROLLER + help + SPI driver for Nvidia Tegra20 Serial flash Controller interface. + The main usecase of this controller is to use spi flash as boot + device. + +config SPI_TEGRA20_SLINK + tristate "Nvidia Tegra20/Tegra30 SLINK Controller" + depends on (ARCH_TEGRA && TEGRA20_APB_DMA) || COMPILE_TEST + depends on RESET_CONTROLLER + help + SPI driver for Nvidia Tegra20/Tegra30 SLINK Controller interface. + +config SPI_THUNDERX + tristate "Cavium ThunderX SPI controller" + depends on PCI && 64BIT && (ARM64 || COMPILE_TEST) + help + SPI host driver for the hardware found on Cavium ThunderX + SOCs. + +config SPI_TOPCLIFF_PCH + tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) SPI" + depends on PCI && (X86_32 || MIPS || COMPILE_TEST) + help + SPI driver for the Topcliff PCH (Platform Controller Hub) SPI bus + used in some x86 embedded processors. + + This driver also supports the ML7213/ML7223/ML7831, a companion chip + for the Atom E6xx series and compatible with the Intel EG20T PCH. + +config SPI_TXX9 + tristate "Toshiba TXx9 SPI controller" + depends on GPIOLIB && (CPU_TX49XX || COMPILE_TEST) + help + SPI driver for Toshiba TXx9 MIPS SoCs + +config SPI_UNIPHIER + tristate "Socionext UniPhier SPI Controller" + depends on (ARCH_UNIPHIER || COMPILE_TEST) && OF + depends on HAS_IOMEM + help + This enables a driver for the Socionext UniPhier SoC SCSSI SPI controller. + + UniPhier SoCs have SCSSI and MCSSI SPI controllers. + Every UniPhier SoC has SCSSI which supports single channel. + Older UniPhier Pro4/Pro5 also has MCSSI which support multiple channels. + This driver supports SCSSI only. + + If your SoC supports SCSSI, say Y here. + +config SPI_XCOMM + tristate "Analog Devices AD-FMCOMMS1-EBZ SPI-I2C-bridge driver" + depends on I2C + help + Support for the SPI-I2C bridge found on the Analog Devices + AD-FMCOMMS1-EBZ board. + +config SPI_XILINX + tristate "Xilinx SPI controller common module" + depends on HAS_IOMEM + select SPI_BITBANG + help + This exposes the SPI controller IP from the Xilinx EDK. + + See the "OPB Serial Peripheral Interface (SPI) (v1.00e)" + Product Specification document (DS464) for hardware details. + + Or for the DS570, see "XPS Serial Peripheral Interface (SPI) (v2.00b)" + +config SPI_XLP + tristate "Netlogic XLP SPI controller driver" + depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST + help + Enable support for the SPI controller on the Netlogic XLP SoCs. + Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX, XLP9XX + and XLP5XX. + + If you have a Netlogic XLP platform say Y here. + If unsure, say N. + +config SPI_XTENSA_XTFPGA + tristate "Xtensa SPI controller for xtfpga" + depends on (XTENSA && XTENSA_PLATFORM_XTFPGA) || COMPILE_TEST + select SPI_BITBANG + help + SPI driver for xtfpga SPI master controller. + + This simple SPI master controller is built into xtfpga bitstreams + and is used to control daughterboard audio codec. It always transfers + 16 bit words in SPI mode 0, automatically asserting CS on transfer + start and deasserting on end. + +config SPI_ZYNQ_QSPI + tristate "Xilinx Zynq QSPI controller" + depends on ARCH_ZYNQ || COMPILE_TEST + depends on SPI_MEM + help + This enables support for the Zynq Quad SPI controller + in master mode. + This controller only supports SPI memory interface. + +config SPI_ZYNQMP_GQSPI + tristate "Xilinx ZynqMP GQSPI controller" + depends on (SPI_MEM && HAS_DMA) || COMPILE_TEST + help + Enables Xilinx GQSPI controller driver for Zynq UltraScale+ MPSoC. + This controller only supports SPI memory interface. + +config SPI_AMD + tristate "AMD SPI controller" + depends on SPI_MASTER || COMPILE_TEST + help + Enables SPI controller driver for AMD SoC. + +# +# Add new SPI master controllers in alphabetical order above this line +# + +comment "SPI Multiplexer support" + +config SPI_MUX + tristate "SPI multiplexer support" + select MULTIPLEXER + help + This adds support for SPI multiplexers. Each SPI mux will be + accessible as a SPI controller, the devices behind the mux will appear + to be chip selects on this controller. It is still necessary to + select one or more specific mux-controller drivers. + +# +# There are lots of SPI device types, with sensors and memory +# being probably the most widely used ones. +# +comment "SPI Protocol Masters" + +config SPI_SPIDEV + tristate "User mode SPI device driver support" + help + This supports user mode SPI protocol drivers. + + Note that this application programming interface is EXPERIMENTAL + and hence SUBJECT TO CHANGE WITHOUT NOTICE while it stabilizes. + +config SPI_LOOPBACK_TEST + tristate "spi loopback test framework support" + depends on m + help + This enables the SPI loopback testing framework driver + + primarily used for development of spi_master drivers + and to detect regressions + +config SPI_TLE62X0 + tristate "Infineon TLE62X0 (for power switching)" + depends on SYSFS + help + SPI driver for Infineon TLE62X0 series line driver chips, + such as the TLE6220, TLE6230 and TLE6240. This provides a + sysfs interface, with each line presented as a kind of GPIO + exposing both switch control and diagnostic feedback. + +# +# Add new SPI protocol masters in alphabetical order above this line +# + +endif # SPI_MASTER + +# +# SLAVE side ... listening to other SPI masters +# + +config SPI_SLAVE + bool "SPI slave protocol handlers" + help + If your system has a slave-capable SPI controller, you can enable + slave protocol handlers. + +if SPI_SLAVE + +config SPI_SLAVE_TIME + tristate "SPI slave handler reporting boot up time" + help + SPI slave handler responding with the time of reception of the last + SPI message. + +config SPI_SLAVE_SYSTEM_CONTROL + tristate "SPI slave handler controlling system state" + help + SPI slave handler to allow remote control of system reboot, power + off, halt, and suspend. + +endif # SPI_SLAVE + +config SPI_DYNAMIC + def_bool ACPI || OF_DYNAMIC || SPI_SLAVE + +endif # SPI |