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 }; 36
