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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-03-02 20:54:37 +0800 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-03-15 23:37:56 +0800 |
| commit | a7776ec625c8ca90d050953946a5b72eaf41c21c (patch) | |
| tree | cc2717698bc80e5511b06fa83936f0fd9617aa9c /Documentation/devicetree | |
| parent | c8082d344ac4c05932fec1766e5e9ce72cf286ed (diff) | |
| download | linux-a7776ec625c8ca90d050953946a5b72eaf41c21c.tar.gz linux-a7776ec625c8ca90d050953946a5b72eaf41c21c.tar.bz2 linux-a7776ec625c8ca90d050953946a5b72eaf41c21c.zip | |
ARM: at91: add ram controller DT support
We can now drop the call to ioremap_registers() as we have the binding for the
SDRAM/DDR Controller.
Drop ioremap_registers() for sam9x5 too.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/atmel-at91.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt index a64f86717b5d..1f8782077433 100644 --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt @@ -42,3 +42,22 @@ Example: compatible = "atmel,at91sam9260-rstc"; reg = <0xfffffd00 0x10>; }; + +RAMC SDRAM/DDR Controller required properties: +- compatible: Should be "atmel,at91sam9260-sdramc", + "atmel,at91sam9g45-ddramc", +- reg: Should contain registers location and length + For at91sam9263 and at91sam9g45 you must specify 2 entries. + +Examples: + + ramc0: ramc@ffffe800 { + compatible = "atmel,at91sam9g45-ddramc"; + reg = <0xffffe800 0x200>; + }; + + ramc0: ramc@ffffe400 { + compatible = "atmel,at91sam9g45-ddramc"; + reg = <0xffffe400 0x200 + 0xffffe600 0x200>; + }; |