From 8dde8c467441069144d2430d30fca697c8fae2d3 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Wed, 14 Mar 2012 13:58:34 +0000 Subject: mmc: mmci: Add required documentation for Device Tree bindings This provides full documentation detailing each compulsory, optional and device (variant) specific properties available for use within the MMCI Device Tree. Signed-off-by: Lee Jones Acked-by: Arnd Bergmann Signed-off-by: Chris Ball --- Documentation/devicetree/bindings/mmc/mmci.txt | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/mmci.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/mmc/mmci.txt b/Documentation/devicetree/bindings/mmc/mmci.txt new file mode 100644 index 000000000000..14a81d526118 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/mmci.txt @@ -0,0 +1,19 @@ +* ARM PrimeCell MultiMedia Card Interface (MMCI) PL180/1 + +The ARM PrimeCell MMCI PL180 and PL181 provides and interface for +reading and writing to MultiMedia and SD cards alike. + +Required properties: +- compatible : contains "arm,pl18x", "arm,primecell". +- reg : contains pl18x registers and length. +- interrupts : contains the device IRQ(s). +- arm,primecell-periphid : contains the PrimeCell Peripheral ID. + +Optional properties: +- wp-gpios : contains any write protect (ro) gpios +- cd-gpios : contains any card detection gpios +- cd-inverted : indicates whether the cd gpio is inverted +- max-frequency : contains the maximum operating frequency +- bus-width : number of data lines, can be <1>, <4>, or <8> +- mmc-cap-mmc-highspeed : indicates whether MMC is high speed capable +- mmc-cap-sd-highspeed : indicates whether SD is high speed capable -- cgit v1.2.3-59-g8ed1b From 0caaa9539adcff38ce12e99f0ab25645e7eb3eea Mon Sep 17 00:00:00 2001 From: Ludovic Desroches Date: Wed, 16 May 2012 17:51:59 +0200 Subject: mmc: at91-mci: this driver is now deprecated at91-mci is deprecated since atmel-mci can deal with all chips. Signed-off-by: Ludovic Desroches Signed-off-by: Chris Ball --- Documentation/feature-removal-schedule.txt | 11 +++++++++++ drivers/mmc/host/Kconfig | 7 +++++-- 2 files changed, 16 insertions(+), 2 deletions(-) (limited to 'Documentation') diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 03ca210406ed..d212f83f17cf 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -539,3 +539,14 @@ When: 3.6 Why: setitimer is not returning -EFAULT if user pointer is NULL. This violates the spec. Who: Sasikantha Babu + +---------------------------- + +What: at91-mci driver ("CONFIG_MMC_AT91") +When: 3.7 +Why: There are two mci drivers: at91-mci and atmel-mci. The PDC support + was added to atmel-mci as a first step to support more chips. + Then at91-mci was kept only for old IP versions (on at91rm9200 and + at91sam9261). The support of these IP versions has just been added + to atmel-mci, so atmel-mci can be used for all chips. +Who: Ludovic Desroches diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 9f1f5e2bbfef..aa131b32e3b2 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -278,10 +278,13 @@ choice Choose which driver to use for the Atmel MCI Silicon config MMC_AT91 - tristate "AT91 SD/MMC Card Interface support" + tristate "AT91 SD/MMC Card Interface support (DEPRECATED)" depends on ARCH_AT91 help - This selects the AT91 MCI controller. + This selects the AT91 MCI controller. This driver will + be removed soon (for more information have a look to + Documentation/feature-removal-schedule.txt). Please use + MMC_ATMEL_MCI. If unsure, say N. -- cgit v1.2.3-59-g8ed1b