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Diffstat (limited to 'Documentation/devicetree/bindings/mtd/aspeed-smc.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mtd/aspeed-smc.txt | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/Documentation/devicetree/bindings/mtd/aspeed-smc.txt b/Documentation/devicetree/bindings/mtd/aspeed-smc.txt deleted file mode 100644 index 49f6528ef547..000000000000 --- a/Documentation/devicetree/bindings/mtd/aspeed-smc.txt +++ /dev/null @@ -1,51 +0,0 @@ -* Aspeed Firmware Memory controller -* Aspeed SPI Flash Memory Controller - -The Firmware Memory Controller in the Aspeed AST2500 SoC supports -three chip selects, two of which are always of SPI type and the third -can be SPI or NOR type flash. These bindings only describe SPI. - -The two SPI flash memory controllers in the AST2500 each support two -chip selects. - -Required properties: - - compatible : Should be one of - "aspeed,ast2400-fmc" for the AST2400 Firmware Memory Controller - "aspeed,ast2400-spi" for the AST2400 SPI Flash memory Controller - "aspeed,ast2500-fmc" for the AST2500 Firmware Memory Controller - "aspeed,ast2500-spi" for the AST2500 SPI flash memory controllers - - - reg : the first contains the control register location and length, - the second contains the memory window mapping address and length - - #address-cells : must be 1 corresponding to chip select child binding - - #size-cells : must be 0 corresponding to chip select child binding - -Optional properties: - - interrupts : Should contain the interrupt for the dma device if an - FMC - -The child nodes are the SPI flash modules which must have a compatible -property as specified in bindings/mtd/jedec,spi-nor.txt - -Optionally, the child node can contain properties for SPI mode (may be -ignored): - - spi-max-frequency - max frequency of spi bus - - -Example: -fmc: fmc@1e620000 { - compatible = "aspeed,ast2500-fmc"; - reg = < 0x1e620000 0x94 - 0x20000000 0x02000000 >; - #address-cells = <1>; - #size-cells = <0>; - interrupts = <19>; - flash@0 { - reg = < 0 >; - compatible = "jedec,spi-nor"; - /* spi-max-frequency = <>; */ - /* m25p,fast-read; */ - #address-cells = <1>; - #size-cells = <1>; - }; -}; |