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 24qspi: qspi@4b300000 { 25 compatible = "ti,dra7xxx-qspi"; 26 reg = <0x47900000 0x100>, <0x30000000 0x3ffffff>; 27 reg-names = "qspi_base", "qspi_mmap"; 28 #address-cells = <1>; 29 #size-cells = <0>; 30 spi-max-frequency = <25000000>; 31 ti,hwmods = "qspi"; 32}; 33 34For dra7xx: 35qspi: qspi@4b300000 { 36 compatible = "ti,dra7xxx-qspi"; 37 reg = <0x4b300000 0x100>, 38 <0x5c000000 0x4000000>, 39 reg-names = "qspi_base", "qspi_mmap"; 40 syscon-chipselects = <&scm_conf 0x558>; 41 #address-cells = <1>; 42 #size-cells = <0>; 43 spi-max-frequency = <48000000>; 44 ti,hwmods = "qspi"; 45}; 46