| Thomas Chou | 38a0f36 | 2015-11-09 14:56:02 +0800 | [diff] [blame] | 1 | Altera QUADSPI driver |
| 2 | |
| 3 | Required properties: |
| 4 | - compatible: Should be "altr,quadspi-1.0" |
| 5 | - reg: Address and length of the register set for the device. It contains |
| 6 | the information of registers in the same order as described by reg-names |
| 7 | - reg-names: Should contain the reg names |
| 8 | "avl_csr": Should contain the register configuration base address |
| 9 | "avl_mem": Should contain the data base address |
| 10 | - #address-cells: Must be <1>. |
| 11 | - #size-cells: Must be <0>. |
| 12 | - flash device tree subnode, there must be a node with the following fields: |
| 13 | - compatible: Should contain the flash name: |
| 14 | 1. EPCS: epcs16, epcs64, epcs128 |
| 15 | 2. EPCQ: epcq16, epcq32, epcq64, epcq128, epcq256, epcq512, epcq1024 |
| 16 | 3. EPCQ-L: epcql256, epcql512, epcql1024 |
| 17 | - #address-cells: please refer to /mtd/partition.txt |
| 18 | - #size-cells: please refer to /mtd/partition.txt |
| 19 | For partitions inside each flash, please refer to /mtd/partition.txt |
| 20 | |
| 21 | Example: |
| 22 | |
| 23 | quadspi_controller_0: quadspi@0x180014a0 { |
| 24 | compatible = "altr,quadspi-1.0"; |
| 25 | reg = <0x180014a0 0x00000020>, |
| 26 | <0x14000000 0x04000000>; |
| 27 | reg-names = "avl_csr", "avl_mem"; |
| 28 | #address-cells = <1>; |
| 29 | #size-cells = <0>; |
| 30 | flash0: epcq512@0 { |
| 31 | compatible = "altr,epcq512"; |
| 32 | #address-cells = <1>; |
| 33 | #size-cells = <1>; |
| 34 | }; |
| 35 | }; |