diff options
| author | Tony Prisk <linux@prisktech.co.nz> | 2012-11-18 15:33:06 +1300 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-12-06 13:54:50 -0500 |
| commit | 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360 (patch) | |
| tree | 09b8703228c83e6828e8d3d64bbce048b69e32a7 /Documentation/devicetree | |
| parent | 8d1e977da82ebd1defd44d085edc2c0140aecc2a (diff) | |
mmc: SD/MMC Host Controller for Wondermedia WM8505/WM8650
This patch adds support for the SD/MMC host controller found
on Wondermedia 8xxx series SoCs, currently supported under
arm/arch-vt8500.
A binding document is also included, based on mmc.txt with
additional properties.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/vt8500-sdmmc.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/vt8500-sdmmc.txt b/Documentation/devicetree/bindings/mmc/vt8500-sdmmc.txt new file mode 100644 index 00000000000..d7fb6abb3eb --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/vt8500-sdmmc.txt @@ -0,0 +1,23 @@ +* Wondermedia WM8505/WM8650 SD/MMC Host Controller + +This file documents differences between the core properties described +by mmc.txt and the properties used by the wmt-sdmmc driver. + +Required properties: +- compatible: Should be "wm,wm8505-sdhc". +- interrupts: Two interrupts are required - regular irq and dma irq. + +Optional properties: +- sdon-inverted: SD_ON bit is inverted on the controller + +Examples: + +sdhc@d800a000 { + compatible = "wm,wm8505-sdhc"; + reg = <0xd800a000 0x1000>; + interrupts = <20 21>; + clocks = <&sdhc>; + bus-width = <4>; + sdon-inverted; +}; + |