diff options
Diffstat (limited to 'drivers/staging/wilc1000/Kconfig')
| -rw-r--r-- | drivers/staging/wilc1000/Kconfig | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/staging/wilc1000/Kconfig b/drivers/staging/wilc1000/Kconfig index 062d9c5ca4bd..51bbf468fe45 100644 --- a/drivers/staging/wilc1000/Kconfig +++ b/drivers/staging/wilc1000/Kconfig @@ -37,17 +37,26 @@ choice bool "SDIO support" depends on MMC ---help--- - This module adds support for the SDIO interface - of adapters using WILC chipset. Select this if - your platform is using the SDIO bus. + This module adds support for the SDIO interface of adapters using + WILC1000 chipset. The Atmel WILC1000 SDIO is a full speed interface. + It meets SDIO card specification version 2.0. The interface supports + the 1-bit/4-bit SD transfer mode at the clock range of 0-50 MHz. + The host can use this interface to read and write from any register + within the chip as well as configure the WILC1000 for data DMA. + To use this interface, pin9 (SDIO_SPI_CFG) must be grounded. Select + this if your platform is using the SDIO bus. config WILC1000_SPI depends on SPI bool "SPI support" ---help--- - This module adds support for the SPI interface - of adapters using WILC chipset. Select this if - your platform is using the SPI bus. + This module adds support for the SPI interface of adapters using + WILC1000 chipset. The Atmel WILC1000 has a Serial Peripheral + Interface (SPI) that operates as a SPI slave. This SPI interface can + be used for control and for serial I/O of 802.11 data. The SPI is a + full-duplex slave synchronous serial interface that is available + immediately following reset when pin 9 (SDIO_SPI_CFG) is tied to + VDDIO. Select this if your platform is using the SPI bus. endchoice config WILC1000_HW_OOB_INTR @@ -55,5 +64,8 @@ config WILC1000_HW_OOB_INTR depends on WILC1000 && WILC1000_SDIO default n ---help--- - If your platform don't recognize SDIO IRQ, connect chipset external IRQ pin - and check this option. Or, Use this to get all interrupts including SDIO interrupts. + This option enables out-of-band interrupt support for the WILC1000 + chipset. This OOB interrupt is intended to provide a faster interrupt + mechanism for SDIO host controllers that don't support SDIO interrupt. + Select this option If the SDIO host controller in your platform + doesn't support SDIO time devision interrupt. |