1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/spi/cdns,qspi-nor.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Cadence Quad SPI controller 8 9maintainers: 10 - Vaishnav Achath <vaishnav.a@ti.com> 11 12allOf: 13 - $ref: spi-controller.yaml# 14 - if: 15 properties: 16 compatible: 17 contains: 18 const: xlnx,versal-ospi-1.0 19 then: 20 required: 21 - power-domains 22 23properties: 24 compatible: 25 oneOf: 26 - items: 27 - enum: 28 - ti,k2g-qspi 29 - ti,am654-ospi 30 - intel,lgm-qspi 31 - xlnx,versal-ospi-1.0 32 - intel,socfpga-qspi 33 - const: cdns,qspi-nor 34 - const: cdns,qspi-nor 35 36 reg: 37 items: 38 - description: the controller register set 39 - description: the controller data area 40 41 interrupts: 42 maxItems: 1 43 44 clocks: 45 maxItems: 1 46 47 cdns,fifo-depth: 48 description: 49 Size of the data FIFO in words. 50 $ref: /schemas/types.yaml#/definitions/uint32 51 enum: [ 128, 256 ] 52 default: 128 53 54 cdns,fifo-width: 55 $ref: /schemas/types.yaml#/definitions/uint32 56 description: 57 Bus width of the data FIFO in bytes. 58 default: 4 59 60 cdns,trigger-address: 61 $ref: /schemas/types.yaml#/definitions/uint32 62 description: 63 32-bit indirect AHB trigger address. 64 65 cdns,is-decoded-cs: 66 type: boolean 67 description: 68 Flag to indicate whether decoder is used to select different chip select 69 for different memory regions. 70 71 cdns,rclk-en: 72 type: boolean 73 description: 74 Flag to indicate that QSPI return clock is used to latch the read 75 data rather than the QSPI clock. Make sure that QSPI return clock 76 is populated on the board before using this property. 77 78 power-domains: 79 maxItems: 1 80 81 resets: 82 maxItems: 2 83 84 reset-names: 85 minItems: 1 86 maxItems: 2 87 items: 88 enum: [ qspi, qspi-ocp ] 89 90required: 91 - compatible 92 - reg 93 - interrupts 94 - clocks 95 - cdns,fifo-depth 96 - cdns,fifo-width 97 - cdns,trigger-address 98 - '#address-cells' 99 - '#size-cells' 100 101unevaluatedProperties: false 102 103examples: 104 - | 105 qspi: spi@ff705000 { 106 compatible = "cdns,qspi-nor"; 107 #address-cells = <1>; 108 #size-cells = <0>; 109 reg = <0xff705000 0x1000>, 110 <0xffa00000 0x1000>; 111 interrupts = <0 151 4>; 112 clocks = <&qspi_clk>; 113 cdns,fifo-depth = <128>; 114 cdns,fifo-width = <4>; 115 cdns,trigger-address = <0x00000000>; 116 resets = <&rst 0x1>, <&rst 0x2>; 117 reset-names = "qspi", "qspi-ocp"; 118 119 flash@0 { 120 compatible = "jedec,spi-nor"; 121 reg = <0x0>; 122 }; 123 }; 124