From 53f3a9e26ed5a94bd3caf732e7635692cd3c4402 Mon Sep 17 00:00:00 2001 From: David Vrabel Date: Thu, 2 Sep 2010 14:15:08 +0000 Subject: mmc: USB SD Host Controller (USHC) driver Add a driver for USB SD Host Controller devices. These devices are Cypress Astoria chips with firmware compliant with issue 2 of CSR's USHC specification. [cjb: adapt to block layer deprecation of max_{hw,phys}_segs] Signed-off-by: David Vrabel Signed-off-by: Chris Ball --- drivers/mmc/host/Kconfig | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/mmc/host/Kconfig') diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 68d12794cfd9..8de7b9e8fc51 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -451,3 +451,17 @@ config MMC_JZ4740 SoCs. If you have a board based on such a SoC and with a SD/MMC slot, say Y or M here. + +config MMC_USHC + tristate "USB SD Host Controller (USHC) support" + depends on USB + help + This selects support for USB SD Host Controllers based on + the Cypress Astoria chip with firmware compliant with CSR's + USB SD Host Controller specification (CS-118793-SP). + + CSR boards with this device include: USB<>SDIO (M1985v2), + and Ultrasira. + + Note: These controllers only support SDIO cards and do not + support MMC or SD memory cards. -- cgit v1.2.2