diff options
Diffstat (limited to 'drivers/spi/Kconfig')
| -rw-r--r-- | drivers/spi/Kconfig | 1161 |
1 files changed, 1020 insertions, 141 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 89cbbabaff44..5520403896fc 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -1,10 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0-only # # SPI driver configuration # -# NOTE: the reason this doesn't show SPI slave support is mostly that -# nobody's needed a slave side API yet. The master-role API is not -# fully appropriate there, so it'd need some thought to do well. -# menuconfig SPI bool "SPI support" depends on HAS_IOMEM @@ -29,7 +26,7 @@ menuconfig SPI if SPI config SPI_DEBUG - boolean "Debug support for SPI drivers" + bool "Debug support for SPI drivers" depends on DEBUG_KERNEL help Say "yes" to enable debug messaging (like dev_dbg and pr_debug), @@ -40,8 +37,8 @@ config SPI_DEBUG # config SPI_MASTER -# boolean "SPI Master Support" - boolean +# bool "SPI Master Support" + bool default SPI help If your system has an master-capable SPI controller (which @@ -51,33 +48,166 @@ config SPI_MASTER 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. + +config SPI_OFFLOAD + bool + comment "SPI Master Controller Drivers" +config SPI_AIROHA_SNFI + tristate "Airoha SPI NAND Flash Interface" + depends on ARCH_AIROHA || COMPILE_TEST + depends on SPI_MASTER + select REGMAP_MMIO + help + This enables support for SPI-NAND mode on the Airoha NAND + Flash Interface found on Airoha ARM SoCs. This controller + is implemented as a SPI-MEM controller. + config SPI_ALTERA - tristate "Altera SPI Controller" - depends on GENERIC_HARDIRQS - select SPI_BITBANG + tristate "Altera SPI Controller platform driver" + select SPI_ALTERA_CORE + select REGMAP_MMIO help This is the driver for the Altera SPI Controller. +config SPI_ALTERA_CORE + tristate "Altera SPI Controller core code" if COMPILE_TEST + select REGMAP + help + "The core code for the Altera SPI Controller" + +config SPI_ALTERA_DFL + tristate "DFL bus driver for Altera SPI Controller" + depends on FPGA_DFL + select SPI_ALTERA_CORE + help + This is a Device Feature List (DFL) bus driver for the + Altera SPI master controller. The SPI master is connected + to a SPI slave to Avalon bridge in a Intel MAX BMC. + +config SPI_AMLOGIC_SPIFC_A1 + tristate "Amlogic A1 SPIFC controller" + depends on ARCH_MESON || COMPILE_TEST + help + This enables master mode support for the SPIFC (SPI flash + controller) available in Amlogic A1 (A113L SoC). + +config SPI_AMLOGIC_SPIFC_A4 + tristate "Amlogic A4 SPI Flash controller" + depends on ARCH_MESON || COMPILE_TEST + select REGMAP_MMIO + help + This enables SPI mode on the NAND Flash Controller of Amlogic + ARM SoCs. It supports SPI Nor Flash and SPI NAND Flash (Could + enable Host ECC HW engine). The controller implements the + SPI-MEM interface, it doesn't support generic SPI. + +config SPI_AMLOGIC_SPISG + tristate "Amlogic SPISG controller" + depends on COMMON_CLK + depends on ARCH_MESON || COMPILE_TEST + help + This enables master mode support for the SPISG (SPI scatter-gather + communication controller), which is available on platforms such as + Amlogic A4 SoCs. + +config SPI_APPLE + tristate "Apple SoC SPI Controller platform driver" + depends on ARCH_APPLE || COMPILE_TEST + help + This enables support for the SPI controller present on + many Apple SoCs, including the t8103 (M1), t8112 (M2) + and t600x (M1 Pro/Max/Ultra). Multiple SPI controller + instances are present on the SoC and each connects usually + to a single device like spi-nor (nvram), input device controller + or fingerprint sensor. + +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 && GPIOLIB + 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_ASPEED_SMC + tristate "Aspeed flash controllers in SPI mode" + depends on ARCH_ASPEED || COMPILE_TEST + depends on OF + help + This enables support for the Firmware Memory controller (FMC) + in the Aspeed AST2600, AST2500 and AST2400 SoCs when attached + to SPI NOR chips, and support for the SPI flash memory + controller (SPI) for the host firmware. The implementation + only supports SPI NOR. + config SPI_ATMEL tristate "Atmel SPI Controller" - depends on (ARCH_AT91 || AVR32) + depends on ARCH_MICROCHIP || COMPILE_TEST + depends on OF help This selects a driver for the Atmel SPI Controller, present on - many AT32 (AVR32) and AT91 (ARM) chips. + 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 + select SPI_OFFLOAD + 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 ARCH_BCM2835 + depends on GPIOLIB + depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST help This selects a driver for the Broadcom BCM2835 SPI master. @@ -86,38 +216,55 @@ config SPI_BCM2835 is for the regular SPI controller. Slave mode operation is not also not supported. -config SPI_BFIN5XX - tristate "SPI controller driver for ADI Blackfin5xx" - depends on BLACKFIN - help - This is the SPI controller master driver for Blackfin 5xx processor. - -config SPI_BFIN_SPORT - tristate "SPI bus via Blackfin SPORT" - depends on BLACKFIN +config SPI_BCM2835AUX + tristate "BCM2835 SPI auxiliary controller" + depends on ((ARCH_BCM2835 || ARCH_BRCMSTB) && GPIOLIB) || COMPILE_TEST help - Enable support for a SPI bus via the Blackfin SPORT peripheral. + This selects a driver for the Broadcom BCM2835 SPI aux master. -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. + 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 + depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST help - Enable support for the SPI controller on the Broadcom BCM63xx SoCs. + 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_BCMBCA || 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_BCMBCA_HSSPI + tristate "Broadcom BCMBCA HS SPI controller driver" + depends on ARCH_BCMBCA || COMPILE_TEST + help + This enables support for the High Speed SPI controller present on + newer Broadcom BCMBCA SoCs. These SoCs include an updated SPI controller + that adds the capability to allow the driver to control chip select + explicitly. config SPI_BITBANG - tristate "Utilities for Bitbanging SPI masters" + tristate "Utilities for Bitbanging SPI host controllers" 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 + port, etc). Or, some systems' SPI host controller drivers use this code to manage the per-word or per-transfer accesses to the hardware shift registers. @@ -135,9 +282,44 @@ config SPI_BUTTERFLY 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 || X86 || RISCV || MIPS || 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_CADENCE_XSPI + tristate "Cadence XSPI controller" + depends on OF && HAS_IOMEM && 64BIT + depends on SPI_MEM + help + Enable support for the Cadence XSPI Flash controller. + + Cadence XSPI is a specialized controller for connecting an SPI + Flash over up to 8-bit wide bus. Enable this option if you have a + device with a Cadence XSPI controller and want to access the + Flash as an MTD device. + +config SPI_CH341 + tristate "CH341 USB2SPI adapter" + depends on SPI_MASTER && USB + help + Enables the SPI controller on the CH341a USB to serial chip + config SPI_CLPS711X tristate "CLPS711X host SPI controller" - depends on ARCH_CLPS711X + depends on ARCH_CLPS711X || COMPILE_TEST help This enables dedicated general purpose SPI/Microwire1-compatible master mode interface (SSI1) for CLPS711X-based CPUs. @@ -149,23 +331,88 @@ config SPI_COLDFIRE_QSPI This enables support for the Coldfire QSPI controller in master mode. +config SPI_CS42L43 + tristate "Cirrus Logic CS42L43 SPI controller" + depends on MFD_CS42L43 && PINCTRL_CS42L43 + select GPIO_SWNODE_UNDEFINED + help + This enables support for the SPI controller inside the Cirrus Logic + CS42L43 audio codec. + config SPI_DAVINCI tristate "Texas Instruments DaVinci/DA8x/OMAP-L/AM1x SoC SPI controller" - depends on ARCH_DAVINCI + depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST select SPI_BITBANG - select TI_EDMA 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_EP93XX tristate "Cirrus Logic EP93xx SPI controller" - depends on ARCH_EP93XX + depends on ARCH_EP93XX || COMPILE_TEST help This enables using the Cirrus EP93xx SPI controller in master mode. config SPI_FALCON - tristate "Falcon SPI controller support" + bool "Falcon SPI controller support" depends on SOC_FALCON help The external bus unit (EBU) found on the FALC-ON SoC has SPI @@ -173,9 +420,70 @@ config SPI_FALCON 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 || \ + ARCH_SPACEMIT || 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_GXP + tristate "GXP SPI driver" + depends on ARCH_HPE || COMPILE_TEST + help + This enables support for the driver for GXP bus attached SPI + controllers. + +config SPI_HISI_KUNPENG + tristate "HiSilicon SPI Controller for Kunpeng SoCs" + depends on (ARM64 && ACPI) || COMPILE_TEST + help + This enables support for HiSilicon SPI controller found on + Kunpeng SoCs. + + This driver can also be built as a module. If so, the module + will be called hisi-kunpeng-spi. + +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 || ARCH_MXC || COMPILE_TEST + depends on 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 + depends on GPIOLIB || COMPILE_TEST select SPI_BITBANG help This simple GPIO bitbanging SPI master uses the arch-neutral GPIO @@ -189,14 +497,86 @@ config SPI_GPIO 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 - select SPI_BITBANG - default m if IMX_HAVE_PLATFORM_SPI_IMX + depends on ARCH_MXC || COMPILE_TEST help - This enables using the Freescale i.MX SPI controllers in master - mode. + This enables support for the Freescale i.MX SPI controllers. + +config SPI_INGENIC + tristate "Ingenic SoCs SPI controller" + depends on MACH_INGENIC || COMPILE_TEST + help + This enables support for the Ingenic SoCs SPI controller. + + To compile this driver as a module, choose M here: the module + will be called spi-ingenic. + +config SPI_INTEL + tristate + +config SPI_INTEL_PCI + tristate "Intel PCH/PCU SPI flash PCI driver" + depends on PCI + depends on X86 || COMPILE_TEST + depends on SPI_MEM + select SPI_INTEL + help + This enables PCI support for the Intel PCH/PCU SPI controller in + master mode. This controller is used to hold BIOS and other + persistent settings. Controllers present in modern Intel hardware + only work in hardware sequencing mode, this means that the + controller exposes a subset of operations that makes it safer to + use. Using this driver it is possible to upgrade BIOS directly + from Linux. + + To compile this driver as a module, choose M here: the module + will be called spi-intel-pci. + +config SPI_INTEL_PLATFORM + tristate "Intel PCH/PCU SPI flash platform driver (DANGEROUS)" + depends on X86 || COMPILE_TEST + depends on SPI_MEM + select SPI_INTEL + help + This enables platform support for the Intel PCH/PCU SPI + controller in master mode that is used to hold BIOS and other + persistent settings. Most of these controllers work in + software sequencing mode, which means that the controller + exposes the low level SPI-NOR opcodes to the software. Using + this driver it is possible to upgrade BIOS directly from Linux. + + Say N here unless you know what you are doing. Overwriting the + SPI flash may render the system unbootable. + + To compile this driver as a module, choose M here: the module + will be called spi-intel-platform. + +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_KSPI2 + tristate "Support for KEBA SPI master type 2 hardware" + depends on HAS_IOMEM + depends on KEBA_CP500 || COMPILE_TEST + select AUXILIARY_BUS + help + This driver supports KEBA SPI master type 2 FPGA implementation, + as found on CP500 devices for example. + + This driver can also be built as a module. If so, the module + will be called spi-kspi2. config SPI_LM70_LLP tristate "Parallel port adapter for LM70 eval board (DEVELOPMENT)" @@ -207,6 +587,42 @@ config SPI_LM70_LLP which interfaces to an LM70 temperature sensor using a parallel port. +config SPI_LOONGSON_CORE + tristate + depends on LOONGARCH || COMPILE_TEST + +config SPI_LOONGSON_PCI + tristate "Loongson SPI Controller PCI Driver Support" + select SPI_LOONGSON_CORE + depends on PCI && (LOONGARCH || COMPILE_TEST) + help + This bus driver supports the Loongson SPI hardware controller in + the Loongson platforms and supports to use PCI framework to + register SPI device resources. + Say Y or M here if you want to use the SPI controller on + Loongson platform. + +config SPI_LOONGSON_PLATFORM + tristate "Loongson SPI Controller Platform Driver Support" + select SPI_LOONGSON_CORE + depends on OF && (LOONGARCH || COMPILE_TEST) + help + This bus driver supports the Loongson SPI hardware controller in + the Loongson platforms and supports to use DTS framework to + register SPI device resources. + Say Y or M here if you want to use the SPI controller on + Loongson platform. + +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 @@ -237,7 +653,7 @@ config SPI_FSL_CPM depends on FSL_SOC config SPI_FSL_SPI - bool "Freescale SPI controller and Aeroflex Gaisler GRLIB SPI controller" + tristate "Freescale SPI controller and Aeroflex Gaisler GRLIB SPI controller" depends on OF select SPI_FSL_LIB select SPI_FSL_CPM if FSL_SOC @@ -248,18 +664,141 @@ config SPI_FSL_SPI 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 ARCH_MXC || ARCH_NXP || M5441x || COMPILE_TEST + help + This enables support for the Freescale DSPI controller in master + mode. S32, VF610, LS1021A and ColdFire platforms uses the controller. + config SPI_FSL_ESPI - bool "Freescale eSPI controller" + tristate "Freescale eSPI controller" depends on FSL_SOC - select SPI_FSL_LIB 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_LJCA + tristate "Intel La Jolla Cove Adapter SPI support" + depends on USB_LJCA + default USB_LJCA + help + Select this option to enable SPI driver for the Intel + La Jolla Cove Adapter (LJCA) board. + + This driver can also be built as a module. If so, the module + will be called spi-ljca. + +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_MICROCHIP_CORE_QSPI + tristate "Microchip FPGA QSPI controllers" + depends on SPI_MASTER + help + This enables the QSPI driver for Microchip FPGA QSPI controllers. + Say Y or M here if you want to use the QSPI controllers on + PolarFire SoC. + If built as a module, it will be called spi-microchip-core-qspi. + +config SPI_MICROCHIP_CORE_SPI + tristate "Microchip FPGA CoreSPI controller" + depends on SPI_MASTER + help + This enables the SPI driver for Microchip FPGA CoreSPI controller. + Say Y or M here if you want to use the "soft" controllers on + PolarFire SoC. + If built as a module, it will be called spi-microchip-core-spi. + +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_MTK_SNFI + tristate "MediaTek SPI NAND Flash Interface" + depends on ARCH_MEDIATEK || COMPILE_TEST + depends on MTD_NAND_ECC_MEDIATEK + help + This enables support for SPI-NAND mode on the MediaTek NAND + Flash Interface found on MediaTek ARM SoCs. This controller + is implemented as a SPI-MEM controller with pipelined ECC + capability. + +config SPI_WPCM_FIU + tristate "Nuvoton WPCM450 Flash Interface Unit" + depends on ARCH_NPCM || COMPILE_TEST + select REGMAP + help + This enables support got the Flash Interface Unit SPI controller + present in the Nuvoton WPCM450 SoC. + + This driver does not support generic SPI. The implementation only + supports the 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 + depends on GPIOLIB || COMPILE_TEST select SPI_BITBANG help This is the driver for OpenCores tiny SPI master controller. @@ -273,34 +812,58 @@ config SPI_OCTEON config SPI_OMAP_UWIRE tristate "OMAP1 MicroWire" - depends on ARCH_OMAP1 + depends on ARCH_OMAP1 || (ARM && COMPILE_TEST) 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 + 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_OMAP_100K - tristate "OMAP SPI 100K" - depends on ARCH_OMAP850 || ARCH_OMAP730 +config SPI_TI_QSPI + tristate "DRA7xxx QSPI controller support" + depends on ARCH_OMAP2PLUS || COMPILE_TEST help - OMAP SPI 100K master controller for omap7xx boards. + 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_ORION tristate "Orion SPI master" - depends on PLAT_ORION + depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST help - This enables using the SPI master controller on the Orion chips. + This enables using the SPI master controller on the Orion + and MVEBU chips. + +config SPI_PCI1XXXX + tristate "PCI1XXXX SPI Bus support" + depends on PCI + help + Say "yes" to Enable the SPI Bus support for the PCI1xxxx card + This is a PCI to SPI Bus driver + This driver can be built as module. If so, the module will be + called as spi-pci1xxxx. + +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 @@ -309,6 +872,16 @@ config SPI_PL022 controller. If you have an embedded system with an AMBA(R) bus and a PL022 controller, say Y or M here. +config SPI_POLARFIRE_SOC + tristate "Microchip FPGA SPI controllers" + depends on SPI_MASTER + depends on ARCH_MICROCHIP || COMPILE_TEST + help + This enables the SPI driver for Microchip FPGA SPI controllers. + Say Y or M here if you want to use the "hard" controllers on + PolarFire SoC. + If built as a module, it will be called spi-mpfs. + config SPI_PPC4xx tristate "PPC4xx SPI Controller" depends on PPC32 && 4xx @@ -316,59 +889,132 @@ config SPI_PPC4xx help This selects a driver for the PPC4xx SPI Controller. -config SPI_PXA2XX_PXADMA - bool "PXA2xx SSP legacy PXA DMA API support" - depends on SPI_PXA2XX && ARCH_PXA - help - Enable PXA private legacy DMA API support. Note that this is - deprecated in favor of generic DMA engine API. - -config SPI_PXA2XX_DMA - def_bool y - depends on SPI_PXA2XX && !SPI_PXA2XX_PXADMA - config SPI_PXA2XX tristate "PXA2xx SSP SPI master" - depends on (ARCH_PXA || PCI || ACPI) && GENERIC_HARDIRQS - select PXA_SSP if ARCH_PXA + depends on ARCH_PXA || ARCH_MMP || (X86 && (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. + controller. The driver can be configured to use any SSP port. config SPI_PXA2XX_PCI - def_tristate SPI_PXA2XX && PCI + def_tristate SPI_PXA2XX && PCI && COMMON_CLK + +config SPI_REALTEK_SNAND + tristate "Realtek SPI-NAND Flash Controller" + depends on MACH_REALTEK_RTL || COMPILE_TEST + select REGMAP + help + This enables support for the SPI-NAND Flash controller on + Realtek SoCs. + + This driver does not support generic SPI. The implementation + only supports the spi-mem interface. + +config SPI_ROCKCHIP + tristate "Rockchip SPI controller driver" + depends on ARCH_ROCKCHIP || COMPILE_TEST + 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_ROCKCHIP_SFC + tristate "Rockchip Serial Flash Controller (SFC)" + depends on ARCH_ROCKCHIP || COMPILE_TEST + depends on HAS_IOMEM && HAS_DMA + help + This enables support for Rockchip serial flash controller. This + is a specialized controller used to access SPI flash on some + Rockchip SOCs. + + ROCKCHIP SFC supports DMA and PIO modes. When DMA is not available, + the driver automatically falls back to PIO mode. + +config SPI_RB4XX + tristate "Mikrotik RB4XX SPI master" + depends on SPI_MASTER && (ATH79 || COMPILE_TEST) + depends on OF + 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 or RZ/G2 RPC-IF. config SPI_RSPI - tristate "Renesas RSPI controller" - depends on SUPERH + tristate "Renesas RSPI/QSPI controller" + depends on SUPERH || ARCH_RENESAS || COMPILE_TEST help - SPI driver for Renesas RSPI blocks. + SPI driver for Renesas RSPI and QSPI blocks. -config SPI_S3C24XX - tristate "Samsung S3C24XX series SPI" - depends on ARCH_S3C24XX - select SPI_BITBANG +config SPI_RZV2H_RSPI + tristate "Renesas RZ/V2H RSPI controller" + depends on ARCH_RENESAS || COMPILE_TEST + help + RSPI driver for the Renesas RZ/V2H Serial Peripheral Interface (RSPI). + RSPI supports both SPI host and SPI target roles. This option only + enables the SPI host role. + +config SPI_RZV2M_CSI + tristate "Renesas RZ/V2M CSI controller" + depends on ARCH_RENESAS || COMPILE_TEST + help + SPI driver for Renesas RZ/V2M Clocked Serial Interface (CSI). + CSI supports both SPI host and SPI target roles. + +config SPI_QCOM_QSPI + tristate "QTI QSPI controller" + depends on ARCH_QCOM || COMPILE_TEST help - SPI driver for Samsung S3C24XX series ARM SoCs + QSPI(Quad SPI) driver for Qualcomm QSPI controller. -config SPI_S3C24XX_FIQ - bool "S3C24XX driver with FIQ pseudo-DMA" - depends on SPI_S3C24XX - select FIQ +config SPI_QPIC_SNAND + tristate "QPIC SNAND controller" + depends on ARCH_QCOM || COMPILE_TEST + depends on MTD 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. + QPIC_SNAND (QPIC SPI NAND) driver for Qualcomm QPIC controller. + QPIC controller supports both parallel nand and serial nand. + This config will enable serial nand driver for QPIC 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_S3C64XX - tristate "Samsung S3C64XX series type SPI" - depends on (ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5P64X0 || ARCH_EXYNOS) - select S3C64XX_DMA if ARCH_S3C64XX + tristate "Samsung S3C64XX/Exynos SoC series type SPI" + depends on (PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST) help - SPI driver for Samsung S3C64XX and newer SoCs. + SPI driver for Samsung S3C64XX, S5Pv210 and Exynos SoCs. + Choose Y/M here only if you build for such Samsung SoC. config SPI_SC18IS602 tristate "NXP SC18IS602/602B/603 I2C to SPI bridge" @@ -378,14 +1024,14 @@ config SPI_SC18IS602 config SPI_SH_MSIOF tristate "SuperH MSIOF SPI controller" - depends on (SUPERH || ARCH_SHMOBILE) && HAVE_CLK - select SPI_BITBANG + 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 + depends on SUPERH || COMPILE_TEST help SPI driver for SuperH SPI blocks. @@ -398,16 +1044,135 @@ config SPI_SH_SCI config SPI_SH_HSPI tristate "SuperH HSPI controller" - depends on ARCH_SHMOBILE + depends on ARCH_RENESAS || COMPILE_TEST help SPI driver for SuperH HSPI blocks. -config SPI_SIRF - tristate "CSR SiRFprimaII SPI controller" - depends on ARCH_SIRF - select SPI_BITBANG +config SPI_SIFIVE + tristate "SiFive SPI controller" + depends on HAS_IOMEM + help + This exposes the SPI controller IP from SiFive. + +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_SN_F_OSPI + tristate "Socionext F_OSPI SPI flash controller" + depends on OF && HAS_IOMEM + depends on SPI_MEM + help + This enables support for the Socionext F_OSPI controller + for connecting an SPI Flash memory over up to 8-bit wide bus. + It supports indirect access mode only. + +config SPI_SG2044_NOR + tristate "SG2044 SPI NOR Controller" + depends on ARCH_SOPHGO || COMPILE_TEST + help + This enables support for the SG2044 SPI NOR controller, + which supports Dual/Quad read and write operations while + also supporting 3Byte address devices and 4Byte address + devices. + +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 + select SPI_SLAVE + 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_OSPI + tristate "STMicroelectronics STM32 OCTO SPI controller" + depends on ARCH_STM32 || COMPILE_TEST + depends on OF + depends on SPI_MEM + help + This enables support for the Octo SPI controller in master mode. + This driver does not support generic SPI. The implementation only + supports spi-mem interface. + +config SPI_STM32_QSPI + tristate "STMicroelectronics STM32 QUAD SPI controller" + depends on ARCH_STM32 || COMPILE_TEST + depends on OF + depends on SPI_MEM + 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_SUNPLUS_SP7021 + tristate "Sunplus SP7021 SPI controller" + depends on SOC_SP7021 || COMPILE_TEST + help + This enables Sunplus SP7021 SPI controller driver on the SP7021 SoCs. + This driver can also be built as a module. If so, the module will be + called as spi-sunplus-sp7021. + + If you have a Sunplus SP7021 platform say Y here. + If unsure, say N. + +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 + imply MTD_NAND_ECC_MXIC help - SPI driver for CSR SiRFprimaII SoCs + This selects the Macronix MX25F0A SPI controller driver. config SPI_MXS tristate "Freescale MXS SPI controller" @@ -416,17 +1181,28 @@ config SPI_MXS help SPI driver for Freescale MXS devices. +config SPI_TEGRA210_QUAD + tristate "NVIDIA Tegra QSPI Controller" + depends on ARCH_TEGRA || COMPILE_TEST + depends on RESET_CONTROLLER + help + QSPI driver for NVIDIA Tegra QSPI Controller interface. This + controller is different from the SPI controller and is available + on Tegra SoCs starting from Tegra210. + config SPI_TEGRA114 tristate "NVIDIA Tegra114 SPI Controller" - depends on ARCH_TEGRA && TEGRA20_APB_DMA + depends on ARCH_TEGRA || COMPILE_TEST + depends on RESET_CONTROLLER help - SPI driver for NVIDIA Tegra114 SPI Controller interface. This controller + SPI controller driver for NVIDIA Tegra114 and later SoCs. 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 + 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 @@ -434,20 +1210,21 @@ config SPI_TEGRA20_SFLASH config SPI_TEGRA20_SLINK tristate "Nvidia Tegra20/Tegra30 SLINK Controller" - depends on ARCH_TEGRA && TEGRA20_APB_DMA + 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_TI_SSP - tristate "TI Sequencer Serial Port - SPI Support" - depends on MFD_TI_SSP +config SPI_THUNDERX + tristate "Cavium ThunderX SPI controller" + depends on PCI && 64BIT && (ARM64 || COMPILE_TEST) help - This selects an SPI master implementation using a TI sequencer - serial port. + 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 + 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. @@ -455,11 +1232,30 @@ config SPI_TOPCLIFF_PCH 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 +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_VIRTIO + tristate "Virtio SPI Controller" + depends on SPI_MASTER && VIRTIO help - SPI driver for Toshiba TXx9 MIPS SoCs + If you say yes to this option, support will be included for the virtio + SPI controller driver. The hardware can be emulated by any device model + software according to the virtio protocol. + + This driver can also be built as a module. If so, the module + will be called spi-virtio. config SPI_XCOMM tristate "Analog Devices AD-FMCOMMS1-EBZ SPI-I2C-bridge driver" @@ -480,33 +1276,66 @@ config SPI_XILINX Or for the DS570, see "XPS Serial Peripheral Interface (SPI) (v2.00b)" -config SPI_NUC900 - tristate "Nuvoton NUC900 series SPI" - depends on ARCH_W90X900 +config SPI_XLP + tristate "Cavium ThunderX2 SPI controller driver" + depends on ARCH_THUNDER2 || COMPILE_TEST + help + Enable support for the SPI controller on the Cavium ThunderX2. + (Originally on Netlogic XLP SoCs.) + + If you have a Cavium ThunderX2 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 Nuvoton NUC900 series ARM SoCs + SPI driver for xtfpga SPI master controller. -# -# Add new SPI master controllers in alphabetical order above this line -# + 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_DESIGNWARE - tristate "DesignWare SPI controller core support" +config SPI_ZYNQ_QSPI + tristate "Xilinx Zynq QSPI controller" + depends on ARCH_ZYNQ || COMPILE_TEST + depends on SPI_MEM help - general driver for SPI controller core from DesignWare + This enables support for the Zynq Quad SPI controller + in master mode. + This controller only supports SPI memory interface. -config SPI_DW_PCI - tristate "PCI interface driver for DW SPI core" - depends on SPI_DESIGNWARE && PCI +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_DW_MID_DMA - bool "DMA support for DW SPI controller on Intel Moorestown platform" - depends on SPI_DW_PCI && INTEL_MID_DMAC +config SPI_AMD + tristate "AMD SPI controller" + depends on PCI + depends on SPI_MASTER || X86 || COMPILE_TEST + depends on SPI_MEM + help + Enables SPI controller driver for AMD SoC. -config SPI_DW_MMIO - tristate "Memory-mapped io interface driver for DW SPI core" - depends on SPI_DESIGNWARE && HAVE_CLK +# +# 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 @@ -519,8 +1348,14 @@ config SPI_SPIDEV 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)" @@ -537,6 +1372,50 @@ config SPI_TLE62X0 endif # SPI_MASTER -# (slave support would go here) +# +# 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 + +if SPI_OFFLOAD + +comment "SPI Offload triggers" + +config SPI_OFFLOAD_TRIGGER_ADI_UTIL_SD + tristate "SPI offload trigger using ADI sigma-delta utility" + help + SPI offload trigger from ADI sigma-delta utility FPGA IP block. + +config SPI_OFFLOAD_TRIGGER_PWM + tristate "SPI offload trigger using PWM" + depends on PWM + help + Generic SPI offload trigger implemented using PWM output. + +endif # SPI_OFFLOAD endif # SPI |