# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/spi/cdns,qspi-nor.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Cadence Quad SPI controller maintainers: - Vaishnav Achath allOf: - $ref: spi-controller.yaml# - if: properties: compatible: contains: const: xlnx,versal-ospi-1.0 then: required: - power-domains - if: properties: compatible: contains: const: starfive,jh7110-qspi then: properties: resets: minItems: 2 maxItems: 3 reset-names: minItems: 2 maxItems: 3 items: enum: [ qspi, qspi-ocp, rstc_ref ] else: properties: resets: maxItems: 2 reset-names: minItems: 1 maxItems: 2 items: enum: [ qspi, qspi-ocp ] - if: properties: compatible: contains: const: amd,pensando-elba-qspi then: properties: cdns,fifo-depth: enum: [ 128, 256, 1024 ] default: 1024 else: properties: cdns,fifo-depth: enum: [ 128, 256 ] default: 128 properties: compatible: oneOf: - items: - enum: - amd,pensando-elba-qspi - ti,k2g-qspi - ti,am654-ospi - intel,lgm-qspi - xlnx,versal-ospi-1.0 - intel,socfpga-qspi - starfive,jh7110-qspi - const: cdns,qspi-nor - const: cdns,qspi-nor reg: items: - description: the controller register set - description: the controller data area interrupts: maxItems: 1 clocks: minItems: 1 maxItems: 3 clock-names: oneOf: - items: - const: ref - items: - const: ref - const: ahb - const: apb cdns,fifo-depth: description: Size of the data FIFO in words. $ref: /schemas/types.yaml#/definitions/uint32 cdns,fifo-width: $ref: /schemas/types.yaml#/definitions/uint32 description: Bus width of the data FIFO in bytes. default: 4 cdns,trigger-address: $ref: /schemas/types.yaml#/definitions/uint32 description: 32-bit indirect AHB trigger address. cdns,is-decoded-cs: type: boolean description: Flag to indicate whether decoder is used to select different chip select for different memory regions. cdns,rclk-en: type: boolean description: Flag to indicate that QSPI return clock is used to latch the read data rather than the QSPI clock. Make sure that QSPI return clock is populated on the board before using this property. power-domains: maxItems: 1 resets: minItems: 2 maxItems: 3 reset-names: minItems: 2 maxItems: 3 items: enum: [ qspi, qspi-ocp, rstc_ref ] required: - compatible - reg - interrupts - clocks - cdns,fifo-depth - cdns,fifo-width - cdns,trigger-address - '#address-cells' - '#size-cells' unevaluatedProperties: false examples: - | qspi: spi@ff705000 { compatible = "cdns,qspi-nor"; #address-cells = <1>; #size-cells = <0>; reg = <0xff705000 0x1000>, <0xffa00000 0x1000>; interrupts = <0 151 4>; clocks = <&qspi_clk>; cdns,fifo-depth = <128>; cdns,fifo-width = <4>; cdns,trigger-address = <0x00000000>; resets = <&rst 0x1>, <&rst 0x2>; reset-names = "qspi", "qspi-ocp"; flash@0 { compatible = "jedec,spi-nor"; reg = <0x0>; }; };