diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mtd/atmel-nand.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/atmel-nand.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/atmel-nand.txt b/Documentation/devicetree/bindings/mtd/atmel-nand.txt index d555421ea49f..c4728839d0c1 100644 --- a/Documentation/devicetree/bindings/mtd/atmel-nand.txt +++ b/Documentation/devicetree/bindings/mtd/atmel-nand.txt @@ -15,6 +15,7 @@ Required properties: optional gpio and may be set to 0 if not present. Optional properties: +- atmel,nand-has-dma : boolean to support dma transfer for nand read/write. - nand-ecc-mode : String, operation mode of the NAND ecc mode, soft by default. Supported values are: "none", "soft", "hw", "hw_syndrome", "hw_oob_first", "soft_bch". @@ -29,6 +30,14 @@ Optional properties: sector size 1024. - nand-bus-width : 8 or 16 bus width if not present 8 - nand-on-flash-bbt: boolean to enable on flash bbt option if not present false +- Nand Flash Controller(NFC) is a slave driver under Atmel nand flash + - Required properties: + - compatible : "atmel,sama5d3-nfc". + - reg : should specify the address and size used for NFC command registers, + NFC registers and NFC Sram. NFC Sram address and size can be absent + if don't want to use it. + - Optional properties: + - atmel,write-by-sram: boolean to enable NFC write by sram. Examples: nand0: nand@40000000,0 { @@ -77,3 +86,22 @@ nand0: nand@40000000 { ... }; }; + +/* for NFC supported chips */ +nand0: nand@40000000 { + compatible = "atmel,at91rm9200-nand"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + ... + nfc@70000000 { + compatible = "atmel,sama5d3-nfc"; + #address-cells = <1>; + #size-cells = <1>; + reg = < + 0x70000000 0x10000000 /* NFC Command Registers */ + 0xffffc000 0x00000070 /* NFC HSMC regs */ + 0x00200000 0x00100000 /* NFC SRAM banks */ + >; + }; +}; |