1TI QSPI controller.
2
3Required properties:
4- compatible : should be "ti,dra7xxx-qspi" or "ti,am4372-qspi".
5- reg: Should contain QSPI registers location and length.
6- reg-names: Should contain the resource reg names.
7	- qspi_base: Qspi configuration register Address space
8	- qspi_mmap: Memory mapped Address space
9	- (optional) qspi_ctrlmod: Control module Address space
10- interrupts: should contain the qspi interrupt number.
11- #address-cells, #size-cells : Must be present if the device has sub-nodes
12- ti,hwmods: Name of the hwmod associated to the QSPI
13
14Recommended properties:
15- spi-max-frequency: Definition as per
16                     Documentation/devicetree/bindings/spi/spi-bus.txt
17
18Optional properties:
19- syscon-chipselects: Handle to system control region contains QSPI
20		      chipselect register and offset of that register.
21
22Example:
23
24For am4372:
25qspi: qspi@4b300000 {
26	compatible = "ti,am4372-qspi";
27	reg = <0x47900000 0x100>, <0x30000000 0x4000000>;
28	reg-names = "qspi_base", "qspi_mmap";
29	#address-cells = <1>;
30	#size-cells = <0>;
31	spi-max-frequency = <25000000>;
32	ti,hwmods = "qspi";
33};
34
35For dra7xx:
36qspi: qspi@4b300000 {
37	compatible = "ti,dra7xxx-qspi";
38	reg = <0x4b300000 0x100>,
39	      <0x5c000000 0x4000000>,
40	reg-names = "qspi_base", "qspi_mmap";
41	syscon-chipselects = <&scm_conf 0x558>;
42	#address-cells = <1>;
43	#size-cells = <0>;
44	spi-max-frequency = <48000000>;
45	ti,hwmods = "qspi";
46};
47