diff options
Diffstat (limited to 'arch/cris/arch-v32/drivers/Kconfig')
| -rw-r--r-- | arch/cris/arch-v32/drivers/Kconfig | 843 |
1 files changed, 843 insertions, 0 deletions
diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig new file mode 100644 index 00000000..de43aadc --- /dev/null +++ b/arch/cris/arch-v32/drivers/Kconfig @@ -0,0 +1,843 @@ +if ETRAX_ARCH_V32 + +config ETRAX_ETHERNET + bool "Ethernet support" + depends on ETRAX_ARCH_V32 + select ETHERNET + select NET_CORE + select MII + help + This option enables the ETRAX FS built-in 10/100Mbit Ethernet + controller. + +config ETRAX_NO_PHY + bool "PHY not present" + depends on ETRAX_ETHERNET + default N + help + This option disables all MDIO communication with an ethernet + transceiver connected to the MII interface. This option shall + typically be enabled if the MII interface is connected to a + switch. This option should normally be disabled. If enabled, + speed and duplex will be locked to 100 Mbit and full duplex. + +config ETRAX_ETHERNET_IFACE0 + depends on ETRAX_ETHERNET + bool "Enable network interface 0" + +config ETRAX_ETHERNET_IFACE1 + depends on (ETRAX_ETHERNET && ETRAXFS) + bool "Enable network interface 1 (uses DMA6 and DMA7)" + +config ETRAX_ETHERNET_GBIT + depends on (ETRAX_ETHERNET && CRIS_MACH_ARTPEC3) + bool "Enable gigabit Ethernet support" + +choice + prompt "Eth0 led group" + depends on ETRAX_ETHERNET_IFACE0 + default ETRAX_ETH0_USE_LEDGRP0 + +config ETRAX_ETH0_USE_LEDGRP0 + bool "Use LED grp 0" + depends on ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO + help + Use LED grp 0 for eth0 + +config ETRAX_ETH0_USE_LEDGRP1 + bool "Use LED grp 1" + depends on ETRAX_NBR_LED_GRP_TWO + help + Use LED grp 1 for eth0 + +config ETRAX_ETH0_USE_LEDGRPNULL + bool "Use no LEDs for eth0" + help + Use no LEDs for eth0 +endchoice + +choice + prompt "Eth1 led group" + depends on ETRAX_ETHERNET_IFACE1 + default ETRAX_ETH1_USE_LEDGRP1 + +config ETRAX_ETH1_USE_LEDGRP0 + bool "Use LED grp 0" + depends on ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO + help + Use LED grp 0 for eth1 + +config ETRAX_ETH1_USE_LEDGRP1 + bool "Use LED grp 1" + depends on ETRAX_NBR_LED_GRP_TWO + help + Use LED grp 1 for eth1 + +config ETRAX_ETH1_USE_LEDGRPNULL + bool "Use no LEDs for eth1" + help + Use no LEDs for eth1 +endchoice + +config ETRAXFS_SERIAL + bool "Serial-port support" + depends on ETRAX_ARCH_V32 + select SERIAL_CORE + select SERIAL_CORE_CONSOLE + help + Enables the ETRAX FS serial driver for ser0 (ttyS0) + You probably want this enabled. + +config ETRAX_RS485 + bool "RS-485 support" + depends on ETRAXFS_SERIAL + help + Enables support for RS-485 serial communication. + +config ETRAX_RS485_DISABLE_RECEIVER + bool "Disable serial receiver" + depends on ETRAX_RS485 + help + It is necessary to disable the serial receiver to avoid serial + loopback. Not all products are able to do this in software only. + +config ETRAX_SERIAL_PORT0 + bool "Serial port 0 enabled" + depends on ETRAXFS_SERIAL + help + Enables the ETRAX FS serial driver for ser0 (ttyS0) + Normally you want this on. You can control what DMA channels to use + if you do not need DMA to something else. + ser0 can use dma4 or dma6 for output and dma5 or dma7 for input. + +choice + prompt "Ser0 default port type " + depends on ETRAX_SERIAL_PORT0 + default ETRAX_SERIAL_PORT0_TYPE_232 + help + Type of serial port. + +config ETRAX_SERIAL_PORT0_TYPE_232 + bool "Ser0 is a RS-232 port" + help + Configure serial port 0 to be a RS-232 port. + +config ETRAX_SERIAL_PORT0_TYPE_485HD + bool "Ser0 is a half duplex RS-485 port" + depends on ETRAX_RS485 + help + Configure serial port 0 to be a half duplex (two wires) RS-485 port. + +config ETRAX_SERIAL_PORT0_TYPE_485FD + bool "Ser0 is a full duplex RS-485 port" + depends on ETRAX_RS485 + help + Configure serial port 0 to be a full duplex (four wires) RS-485 port. +endchoice + +config ETRAX_SER0_DTR_BIT + string "Ser 0 DTR bit (empty = not used)" + depends on ETRAX_SERIAL_PORT0 + +config ETRAX_SER0_RI_BIT + string "Ser 0 RI bit (empty = not used)" + depends on ETRAX_SERIAL_PORT0 + +config ETRAX_SER0_DSR_BIT + string "Ser 0 DSR bit (empty = not used)" + depends on ETRAX_SERIAL_PORT0 + +config ETRAX_SER0_CD_BIT + string "Ser 0 CD bit (empty = not used)" + depends on ETRAX_SERIAL_PORT0 + +config ETRAX_SERIAL_PORT1 + bool "Serial port 1 enabled" + depends on ETRAXFS_SERIAL + help + Enables the ETRAX FS serial driver for ser1 (ttyS1). + +choice + prompt "Ser1 default port type" + depends on ETRAX_SERIAL_PORT1 + default ETRAX_SERIAL_PORT1_TYPE_232 + help + Type of serial port. + +config ETRAX_SERIAL_PORT1_TYPE_232 + bool "Ser1 is a RS-232 port" + help + Configure serial port 1 to be a RS-232 port. + +config ETRAX_SERIAL_PORT1_TYPE_485HD + bool "Ser1 is a half duplex RS-485 port" + depends on ETRAX_RS485 + help + Configure serial port 1 to be a half duplex (two wires) RS-485 port. + +config ETRAX_SERIAL_PORT1_TYPE_485FD + bool "Ser1 is a full duplex RS-485 port" + depends on ETRAX_RS485 + help + Configure serial port 1 to be a full duplex (four wires) RS-485 port. +endchoice + +config ETRAX_SER1_DTR_BIT + string "Ser 1 DTR bit (empty = not used)" + depends on ETRAX_SERIAL_PORT1 + +config ETRAX_SER1_RI_BIT + string "Ser 1 RI bit (empty = not used)" + depends on ETRAX_SERIAL_PORT1 + +config ETRAX_SER1_DSR_BIT + string "Ser 1 DSR bit (empty = not used)" + depends on ETRAX_SERIAL_PORT1 + +config ETRAX_SER1_CD_BIT + string "Ser 1 CD bit (empty = not used)" + depends on ETRAX_SERIAL_PORT1 + +config ETRAX_SERIAL_PORT2 + bool "Serial port 2 enabled" + depends on ETRAXFS_SERIAL + help + Enables the ETRAX FS serial driver for ser2 (ttyS2). + +choice + prompt "Ser2 default port type" + depends on ETRAX_SERIAL_PORT2 + default ETRAX_SERIAL_PORT2_TYPE_232 + help + What DMA channel to use for ser2 + +config ETRAX_SERIAL_PORT2_TYPE_232 + bool "Ser2 is a RS-232 port" + help + Configure serial port 2 to be a RS-232 port. + +config ETRAX_SERIAL_PORT2_TYPE_485HD + bool "Ser2 is a half duplex RS-485 port" + depends on ETRAX_RS485 + help + Configure serial port 2 to be a half duplex (two wires) RS-485 port. + +config ETRAX_SERIAL_PORT2_TYPE_485FD + bool "Ser2 is a full duplex RS-485 port" + depends on ETRAX_RS485 + help + Configure serial port 2 to be a full duplex (four wires) RS-485 port. +endchoice + + +config ETRAX_SER2_DTR_BIT + string "Ser 2 DTR bit (empty = not used)" + depends on ETRAX_SERIAL_PORT2 + +config ETRAX_SER2_RI_BIT + string "Ser 2 RI bit (empty = not used)" + depends on ETRAX_SERIAL_PORT2 + +config ETRAX_SER2_DSR_BIT + string "Ser 2 DSR bit (empty = not used)" + depends on ETRAX_SERIAL_PORT2 + +config ETRAX_SER2_CD_BIT + string "Ser 2 CD bit (empty = not used)" + depends on ETRAX_SERIAL_PORT2 + +config ETRAX_SERIAL_PORT3 + bool "Serial port 3 enabled" + depends on ETRAXFS_SERIAL + help + Enables the ETRAX FS serial driver for ser3 (ttyS3). + +choice + prompt "Ser3 default port type" + depends on ETRAX_SERIAL_PORT3 + default ETRAX_SERIAL_PORT3_TYPE_232 + help + What DMA channel to use for ser3. + +config ETRAX_SERIAL_PORT3_TYPE_232 + bool "Ser3 is a RS-232 port" + help + Configure serial port 3 to be a RS-232 port. + +config ETRAX_SERIAL_PORT3_TYPE_485HD + bool "Ser3 is a half duplex RS-485 port" + depends on ETRAX_RS485 + help + Configure serial port 3 to be a half duplex (two wires) RS-485 port. + +config ETRAX_SERIAL_PORT3_TYPE_485FD + bool "Ser3 is a full duplex RS-485 port" + depends on ETRAX_RS485 + help + Configure serial port 3 to be a full duplex (four wires) RS-485 port. +endchoice + +config ETRAX_SER3_DTR_BIT + string "Ser 3 DTR bit (empty = not used)" + depends on ETRAX_SERIAL_PORT3 + +config ETRAX_SER3_RI_BIT + string "Ser 3 RI bit (empty = not used)" + depends on ETRAX_SERIAL_PORT3 + +config ETRAX_SER3_DSR_BIT + string "Ser 3 DSR bit (empty = not used)" + depends on ETRAX_SERIAL_PORT3 + +config ETRAX_SER3_CD_BIT + string "Ser 3 CD bit (empty = not used)" + depends on ETRAX_SERIAL_PORT3 + +config ETRAX_SERIAL_PORT4 + bool "Serial port 4 enabled" + depends on ETRAXFS_SERIAL && CRIS_MACH_ARTPEC3 + help + Enables the ETRAX FS serial driver for ser4 (ttyS4). + +choice + prompt "Ser4 default port type" + depends on ETRAX_SERIAL_PORT4 + default ETRAX_SERIAL_PORT4_TYPE_232 + help + What DMA channel to use for ser4. + +config ETRAX_SERIAL_PORT4_TYPE_232 + bool "Ser4 is a RS-232 port" + help + Configure serial port 4 to be a RS-232 port. + +config ETRAX_SERIAL_PORT4_TYPE_485HD + bool "Ser4 is a half duplex RS-485 port" + depends on ETRAX_RS485 + help + Configure serial port 4 to be a half duplex (two wires) RS-485 port. + +config ETRAX_SERIAL_PORT4_TYPE_485FD + bool "Ser4 is a full duplex RS-485 port" + depends on ETRAX_RS485 + help + Configure serial port 4 to be a full duplex (four wires) RS-485 port. +endchoice + +choice + prompt "Ser4 DMA in channel " + depends on ETRAX_SERIAL_PORT4 + default ETRAX_SERIAL_PORT4_NO_DMA_IN + help + What DMA channel to use for ser4. + + +config ETRAX_SERIAL_PORT4_NO_DMA_IN + bool "Ser4 uses no DMA for input" + help + Do not use DMA for ser4 input. + +config ETRAX_SERIAL_PORT4_DMA9_IN + bool "Ser4 uses DMA9 for input" + depends on ETRAX_SERIAL_PORT4 + help + Enables the DMA9 input channel for ser4 (ttyS4). + If you do not enable DMA, an interrupt for each character will be + used when receiving data. + Normally you want to use DMA, unless you use the DMA channel for + something else. + +endchoice + +config ETRAX_SER4_DTR_BIT + string "Ser 4 DTR bit (empty = not used)" + depends on ETRAX_SERIAL_PORT4 + +config ETRAX_SER4_RI_BIT + string "Ser 4 RI bit (empty = not used)" + depends on ETRAX_SERIAL_PORT4 + +config ETRAX_SER4_DSR_BIT + string "Ser 4 DSR bit (empty = not used)" + depends on ETRAX_SERIAL_PORT4 + +config ETRAX_SER4_CD_BIT + string "Ser 4 CD bit (empty = not used)" + depends on ETRAX_SERIAL_PORT4 + +config ETRAX_SYNCHRONOUS_SERIAL + bool "Synchronous serial-port support" + depends on ETRAX_ARCH_V32 + help + Enables the ETRAX FS synchronous serial driver. + +config ETRAX_SYNCHRONOUS_SERIAL_PORT0 + bool "Synchronous serial port 0 enabled" + depends on ETRAX_SYNCHRONOUS_SERIAL + help + Enabled synchronous serial port 0. + +config ETRAX_SYNCHRONOUS_SERIAL0_DMA + bool "Enable DMA on synchronous serial port 0." + depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0 + help + A synchronous serial port can run in manual or DMA mode. + Selecting this option will make it run in DMA mode. + +config ETRAX_SYNCHRONOUS_SERIAL_PORT1 + bool "Synchronous serial port 1 enabled" + depends on ETRAX_SYNCHRONOUS_SERIAL && ETRAXFS + help + Enabled synchronous serial port 1. + +config ETRAX_SYNCHRONOUS_SERIAL1_DMA + bool "Enable DMA on synchronous serial port 1." + depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1 + help + A synchronous serial port can run in manual or DMA mode. + Selecting this option will make it run in DMA mode. + +config ETRAX_AXISFLASHMAP + bool "Axis flash-map support" + depends on ETRAX_ARCH_V32 + select MTD + select MTD_CFI + select MTD_CFI_AMDSTD + select MTD_JEDECPROBE + select MTD_CHAR + select MTD_BLOCK + select MTD_COMPLEX_MAPPINGS + help + This option enables MTD mapping of flash devices. Needed to use + flash memories. If unsure, say Y. + +config ETRAX_AXISFLASHMAP_MTD0WHOLE + bool "MTD0 is whole boot flash device" + depends on ETRAX_AXISFLASHMAP + default N + help + When this option is not set, mtd0 refers to the first partition + on the boot flash device. When set, mtd0 refers to the whole + device, with mtd1 referring to the first partition etc. + +config ETRAX_PTABLE_SECTOR + int "Byte-offset of partition table sector" + depends on ETRAX_AXISFLASHMAP + default "65536" + help + Byte-offset of the partition table in the first flash chip. + The default value is 64kB and should not be changed unless + you know exactly what you are doing. The only valid reason + for changing this is when the flash block size is bigger + than 64kB (e.g. when using two parallel 16 bit flashes). + +config ETRAX_NANDFLASH + bool "NAND flash support" + depends on ETRAX_ARCH_V32 + select MTD_NAND + select MTD_NAND_IDS + help + This option enables MTD mapping of NAND flash devices. Needed to use + NAND flash memories. If unsure, say Y. + +config ETRAX_NANDBOOT + bool "Boot from NAND flash" + depends on ETRAX_NANDFLASH + help + This options enables booting from NAND flash devices. + Say Y if your boot code, kernel and root file system is in + NAND flash. Say N if they are in NOR flash. + +config ETRAX_I2C + bool "I2C driver" + depends on ETRAX_ARCH_V32 + help + This option enables the I2C driver used by e.g. the RTC driver. + +config ETRAX_V32_I2C_DATA_PORT + string "I2C data pin" + depends on ETRAX_I2C + help + The pin to use for I2C data. + +config ETRAX_V32_I2C_CLK_PORT + string "I2C clock pin" + depends on ETRAX_I2C + help + The pin to use for I2C clock. + +config ETRAX_GPIO + bool "GPIO support" + depends on ETRAX_ARCH_V32 + ---help--- + Enables the ETRAX general port device (major 120, minors 0-4). + You can use this driver to access the general port bits. It supports + these ioctl's: + #include <linux/etraxgpio.h> + fd = open("/dev/gpioa", O_RDWR); // or /dev/gpiob + ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_SETBITS), bits_to_set); + ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_CLRBITS), bits_to_clear); + err = ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_READ_INBITS), &val); + Remember that you need to setup the port directions appropriately in + the General configuration. + +config ETRAX_VIRTUAL_GPIO + bool "Virtual GPIO support" + depends on ETRAX_GPIO + help + Enables the virtual Etrax general port device (major 120, minor 6). + It uses an I/O expander for the I2C-bus. + +config ETRAX_VIRTUAL_GPIO_INTERRUPT_PA_PIN + int "Virtual GPIO interrupt pin on PA pin" + range 0 7 + depends on ETRAX_VIRTUAL_GPIO + help + The pin to use on PA for virtual gpio interrupt. + +config ETRAX_PA_CHANGEABLE_DIR + hex "PA user changeable dir mask" + depends on ETRAX_GPIO + default "0x00" if ETRAXFS + default "0x00000000" if !ETRAXFS + help + This is a bitmask (8 bits) with information of what bits in PA that a + user can change direction on using ioctl's. + Bit set = changeable. + You probably want 0 here, but it depends on your hardware. + +config ETRAX_PA_CHANGEABLE_BITS + hex "PA user changeable bits mask" + depends on ETRAX_GPIO + default "0x00" if ETRAXFS + default "0x00000000" if !ETRAXFS + help + This is a bitmask (8 bits) with information of what bits in PA + that a user can change the value on using ioctl's. + Bit set = changeable. + +config ETRAX_PB_CHANGEABLE_DIR + hex "PB user changeable dir mask" + depends on ETRAX_GPIO + default "0x00000" if ETRAXFS + default "0x00000000" if !ETRAXFS + help + This is a bitmask (18 bits) with information of what bits in PB + that a user can change direction on using ioctl's. + Bit set = changeable. + You probably want 0 here, but it depends on your hardware. + +config ETRAX_PB_CHANGEABLE_BITS + hex "PB user changeable bits mask" + depends on ETRAX_GPIO + default "0x00000" if ETRAXFS + default "0x00000000" if !ETRAXFS + help + This is a bitmask (18 bits) with information of what bits in PB + that a user can change the value on using ioctl's. + Bit set = changeable. + +config ETRAX_PC_CHANGEABLE_DIR + hex "PC user changeable dir mask" + depends on ETRAX_GPIO + default "0x00000" if ETRAXFS + default "0x00000000" if !ETRAXFS + help + This is a bitmask (18 bits) with information of what bits in PC + that a user can change direction on using ioctl's. + Bit set = changeable. + You probably want 0 here, but it depends on your hardware. + +config ETRAX_PC_CHANGEABLE_BITS + hex "PC user changeable bits mask" + depends on ETRAX_GPIO + default "0x00000" if ETRAXFS + default "0x00000000" if ETRAXFS + help + This is a bitmask (18 bits) with information of what bits in PC + that a user can change the value on using ioctl's. + Bit set = changeable. + +config ETRAX_PD_CHANGEABLE_DIR + hex "PD user changeable dir mask" + depends on ETRAX_GPIO && ETRAXFS + default "0x00000" + help + This is a bitmask (18 bits) with information of what bits in PD + that a user can change direction on using ioctl's. + Bit set = changeable. + You probably want 0x00000 here, but it depends on your hardware. + +config ETRAX_PD_CHANGEABLE_BITS + hex "PD user changeable bits mask" + depends on ETRAX_GPIO && ETRAXFS + default "0x00000" + help + This is a bitmask (18 bits) with information of what bits in PD + that a user can change the value on using ioctl's. + Bit set = changeable. + +config ETRAX_PE_CHANGEABLE_DIR + hex "PE user changeable dir mask" + depends on ETRAX_GPIO && ETRAXFS + default "0x00000" + help + This is a bitmask (18 bits) with information of what bits in PE + that a user can change direction on using ioctl's. + Bit set = changeable. + You probably want 0x00000 here, but it depends on your hardware. + +config ETRAX_PE_CHANGEABLE_BITS + hex "PE user changeable bits mask" + depends on ETRAX_GPIO && ETRAXFS + default "0x00000" + help + This is a bitmask (18 bits) with information of what bits in PE + that a user can change the value on using ioctl's. + Bit set = changeable. + +config ETRAX_PV_CHANGEABLE_DIR + hex "PV user changeable dir mask" + depends on ETRAX_VIRTUAL_GPIO + default "0x0000" + help + This is a bitmask (16 bits) with information of what bits in PV + that a user can change direction on using ioctl's. + Bit set = changeable. + You probably want 0x0000 here, but it depends on your hardware. + +config ETRAX_PV_CHANGEABLE_BITS + hex "PV user changeable bits mask" + depends on ETRAX_VIRTUAL_GPIO + default "0x0000" + help + This is a bitmask (16 bits) with information of what bits in PV + that a user can change the value on using ioctl's. + Bit set = changeable. + +config ETRAX_CARDBUS + bool "Cardbus support" + depends on ETRAX_ARCH_V32 + select HOTPLUG + help + Enabled the ETRAX Cardbus driver. + +config PCI + bool + depends on ETRAX_CARDBUS + default y + select HAVE_GENERIC_DMA_COHERENT + +config ETRAX_IOP_FW_LOAD + tristate "IO-processor hotplug firmware loading support" + depends on ETRAX_ARCH_V32 + select FW_LOADER + help + Enables IO-processor hotplug firmware loading support. + +config ETRAX_STREAMCOPROC + tristate "Stream co-processor driver enabled" + depends on ETRAX_ARCH_V32 + help + This option enables a driver for the stream co-processor + for cryptographic operations. + +source drivers/mmc/Kconfig + +config ETRAX_MMC_IOP + tristate "MMC/SD host driver using IO-processor" + depends on ETRAX_ARCH_V32 && MMC + help + This option enables the SD/MMC host controller interface. + The host controller is implemented using the built in + IO-Processor. Only the SPU is used in this implementation. + +config ETRAX_SPI_MMC +# Make this one of several "choices" (possible simultaneously but +# suggested uniquely) when an IOP driver emerges for "real" MMC/SD +# protocol support. + tristate + depends on !ETRAX_MMC_IOP + default MMC + select SPI + select MMC_SPI + select ETRAX_SPI_MMC_BOARD + +# For the parts that can't be a module (due to restrictions in +# framework elsewhere). +config ETRAX_SPI_MMC_BOARD + boolean + default n + +# While the board info is MMC_SPI only, the drivers are written to be +# independent of MMC_SPI, so we'll keep SPI non-dependent on the +# MMC_SPI config choices (well, except for a single depends-on-line +# for the board-info file until a separate non-MMC SPI board file +# emerges). +# FIXME: When that happens, we'll need to be able to ask for and +# configure non-MMC SPI ports together with MMC_SPI ports (if multiple +# SPI ports are enabled). + +config SPI_ETRAX_SSER + tristate + depends on SPI_MASTER && ETRAX_ARCH_V32 && EXPERIMENTAL + select SPI_BITBANG + help + This enables using an synchronous serial (sser) port as a + SPI master controller on Axis ETRAX FS and later. The + driver can be configured to use any sser port. + +config SPI_ETRAX_GPIO + tristate + depends on SPI_MASTER && ETRAX_ARCH_V32 && EXPERIMENTAL + select SPI_BITBANG + help + This enables using GPIO pins port as a SPI master controller + on Axis ETRAX FS and later. The driver can be configured to + use any GPIO pins. + +config ETRAX_SPI_SSER0 + tristate "SPI using synchronous serial port 0 (sser0)" + depends on ETRAX_SPI_MMC + default m if MMC_SPI=m + default y if MMC_SPI=y + default y if MMC_SPI=n + select SPI_ETRAX_SSER + help + Say Y for an MMC/SD socket connected to synchronous serial port 0, + or for devices using the SPI protocol on that port. Say m if you + want to build it as a module, which will be named spi_crisv32_sser. + (You need to select MMC separately.) + +config ETRAX_SPI_SSER0_DMA + bool "DMA for SPI on sser0 enabled" + depends on ETRAX_SPI_SSER0 + depends on !ETRAX_SERIAL_PORT1_DMA4_OUT && !ETRAX_SERIAL_PORT1_DMA5_IN + default y + help + Say Y if using DMA (dma4/dma5) for SPI on synchronous serial port 0. + +config ETRAX_SPI_MMC_CD_SSER0_PIN + string "MMC/SD card detect pin for SPI on sser0" + depends on ETRAX_SPI_SSER0 && MMC_SPI + default "pd11" + help + The pin to use for SD/MMC card detect. This pin should be pulled up + and grounded when a card is present. If defined as " " (space), no + pin is selected. A card must then always be inserted for proper + action. + +config ETRAX_SPI_MMC_WP_SSER0_PIN + string "MMC/SD card write-protect pin for SPI on sser0" + depends on ETRAX_SPI_SSER0 && MMC_SPI + default "pd10" + help + The pin to use for the SD/MMC write-protect signal for a memory + card. If defined as " " (space), the card is considered writable. + +config ETRAX_SPI_SSER1 + tristate "SPI using synchronous serial port 1 (sser1)" + depends on ETRAX_SPI_MMC + default m if MMC_SPI=m && ETRAX_SPI_SSER0=n + default y if MMC_SPI=y && ETRAX_SPI_SSER0=n + default y if MMC_SPI=n && ETRAX_SPI_SSER0=n + select SPI_ETRAX_SSER + help + Say Y for an MMC/SD socket connected to synchronous serial port 1, + or for devices using the SPI protocol on that port. Say m if you + want to build it as a module, which will be named spi_crisv32_sser. + (You need to select MMC separately.) + +config ETRAX_SPI_SSER1_DMA + bool "DMA for SPI on sser1 enabled" + depends on ETRAX_SPI_SSER1 && !ETRAX_ETHERNET_IFACE1 + depends on !ETRAX_SERIAL_PORT0_DMA6_OUT && !ETRAX_SERIAL_PORT0_DMA7_IN + default y + help + Say Y if using DMA (dma6/dma7) for SPI on synchronous serial port 1. + +config ETRAX_SPI_MMC_CD_SSER1_PIN + string "MMC/SD card detect pin for SPI on sser1" + depends on ETRAX_SPI_SSER1 && MMC_SPI + default "pd12" + help + The pin to use for SD/MMC card detect. This pin should be pulled up + and grounded when a card is present. If defined as " " (space), no + pin is selected. A card must then always be inserted for proper + action. + +config ETRAX_SPI_MMC_WP_SSER1_PIN + string "MMC/SD card write-protect pin for SPI on sser1" + depends on ETRAX_SPI_SSER1 && MMC_SPI + default "pd9" + help + The pin to use for the SD/MMC write-protect signal for a memory + card. If defined as " " (space), the card is considered writable. + +config ETRAX_SPI_GPIO + tristate "Bitbanged SPI using gpio pins" + depends on ETRAX_SPI_MMC + select SPI_ETRAX_GPIO + default m if MMC_SPI=m && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n + default y if MMC_SPI=y && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n + default y if MMC_SPI=n && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n + help + Say Y for an MMC/SD socket connected to general I/O pins (but not + a complete synchronous serial ports), or for devices using the SPI + protocol on general I/O pins. Slow and slows down the system. + Say m to build it as a module, which will be called spi_crisv32_gpio. + (You need to select MMC separately.) + +# The default match that of sser0, only because that's how it was tested. +config ETRAX_SPI_CS_PIN + string "SPI chip select pin" + depends on ETRAX_SPI_GPIO + default "pc3" + help + The pin to use for SPI chip select. + +config ETRAX_SPI_CLK_PIN + string "SPI clock pin" + depends on ETRAX_SPI_GPIO + default "pc1" + help + The pin to use for the SPI clock. + +config ETRAX_SPI_DATAIN_PIN + string "SPI MISO (data in) pin" + depends on ETRAX_SPI_GPIO + default "pc16" + help + The pin to use for SPI data in from the device. + +config ETRAX_SPI_DATAOUT_PIN + string "SPI MOSI (data out) pin" + depends on ETRAX_SPI_GPIO + default "pc0" + help + The pin to use for SPI data out to the device. + +config ETRAX_SPI_MMC_CD_GPIO_PIN + string "MMC/SD card detect pin for SPI using gpio (space for none)" + depends on ETRAX_SPI_GPIO && MMC_SPI + default "pd11" + help + The pin to use for SD/MMC card detect. This pin should be pulled up + and grounded when a card is present. If defined as " " (space), no + pin is selected. A card must then always be inserted for proper + action. + +config ETRAX_SPI_MMC_WP_GPIO_PIN + string "MMC/SD card write-protect pin for SPI using gpio (space for none)" + depends on ETRAX_SPI_GPIO && MMC_SPI + default "pd10" + help + The pin to use for the SD/MMC write-protect signal for a memory + card. If defined as " " (space), the card is considered writable. + +# Avoid choices causing non-working configs by conditionalizing the inclusion. +if ETRAX_SPI_MMC +source drivers/spi/Kconfig +endif + +endif |