Altera QUADSPI driver
Required properties:
- compatible: Should be "altr,quadspi-1.0"
- reg: Address and length of the register set for the device. It contains
the information of registers in the same order as described by reg-names
- reg-names: Should contain the reg names
"avl_csr": Should contain the register configuration base address
"avl_mem": Should contain the data base address
- #address-cells: Must be <1>.
- #size-cells: Must be <0>.
- flash device tree subnode, there must be a node with the following fields:
- compatible: Should contain the flash name:
1. EPCS: epcs16, epcs64, epcs128
2. EPCQ: epcq16, epcq32, epcq64, epcq128, epcq256, epcq512, epcq1024
3. EPCQ-L: epcql256, epcql512, epcql1024
- #address-cells: please refer to /mtd/partition.txt
- #size-cells: please refer to /mtd/partition.txt
For partitions inside each flash, please refer to /mtd/partition.txt
Example:
quadspi_controller_0: quadspi@0x180014a0 {
compatible = "altr,quadspi-1.0";
reg = <0x180014a0 0x00000020>,
<0x14000000 0x04000000>;
reg-names = "avl_csr", "avl_mem";
#address-cells = <1>;
#size-cells = <0>;
flash0: epcq512@0 {
compatible = "altr,epcq512";
#address-cells = <1>;
#size-cells = <1>;
};
};