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| author | Chris Ball <cjb@laptop.org> | 2012-04-11 06:34:33 +0400 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-07-21 08:01:47 +0400 |
| commit | b650352dd3df36164e3427bff3f33bc06ac47642 (patch) | |
| tree | 883219dd446358996e8860027bb712e258f2554c /Documentation | |
| parent | ed3efc1ccc4421865b64d902cd410f6733c85a49 (diff) | |
| download | linux-b650352dd3df36164e3427bff3f33bc06ac47642.tar.xz | |
mmc: sdhci-pxa: Add device tree support
Tested on an OLPC XO-1.75. (MMP2, sdhci-pxav3, CONFIG_MACH_MMP2_DT=y)
Signed-off-by: Chris Ball <cjb@laptop.org>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/sdhci-pxa.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt b/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt new file mode 100644 index 000000000000..dbe98a3c183a --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt @@ -0,0 +1,21 @@ +* Marvell sdhci-pxa v2/v3 controller + +This file documents differences between the core properties in mmc.txt +and the properties used by the sdhci-pxav2 and sdhci-pxav3 drivers. + +Required properties: +- compatible: Should be "mrvl,pxav2-mmc" or "mrvl,pxav3-mmc". + +Optional properties: +- mrvl,clk-delay-cycles: Specify a number of cycles to delay for tuning. + +Example: + +sdhci@d4280800 { + compatible = "mrvl,pxav3-mmc"; + reg = <0xd4280800 0x800>; + bus-width = <8>; + interrupts = <27>; + non-removable; + mrvl,clk-delay-cycles = <31>; +}; |