# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/spi/spi-xilinx.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Xilinx SPI controller Device Tree Bindings maintainers: - Michal Simek <michal.simek@xilinx.com> allOf: - $ref: "spi-controller.yaml#" properties: compatible: enum: - xlnx,xps-spi-2.00.a - xlnx,xps-spi-2.00.b - xlnx,axi-quad-spi-1.00.a reg: maxItems: 1 interrupts: maxItems: 1 xlnx,num-ss-bits: description: Number of chip selects used. minimum: 1 maximum: 32 xlnx,num-transfer-bits: description: Number of bits per transfer. This will be 8 if not specified. enum: [8, 16, 32] default: 8 required: - compatible - reg - interrupts unevaluatedProperties: false examples: - | spi0: spi@41e00000 { compatible = "xlnx,xps-spi-2.00.a"; interrupt-parent = <&intc>; interrupts = <0 31 1>; reg = <0x41e00000 0x10000>; xlnx,num-ss-bits = <0x1>; xlnx,num-transfer-bits = <32>; }; ...