1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/spi/spi-xilinx.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Xilinx SPI controller Device Tree Bindings 8 9maintainers: 10 - Michal Simek <michal.simek@xilinx.com> 11 12allOf: 13 - $ref: "spi-controller.yaml#" 14 15properties: 16 compatible: 17 enum: 18 - xlnx,xps-spi-2.00.a 19 - xlnx,xps-spi-2.00.b 20 - xlnx,axi-quad-spi-1.00.a 21 22 reg: 23 maxItems: 1 24 25 interrupts: 26 maxItems: 1 27 28 xlnx,num-ss-bits: 29 description: Number of chip selects used. 30 minimum: 1 31 maximum: 32 32 33 xlnx,num-transfer-bits: 34 description: Number of bits per transfer. This will be 8 if not specified. 35 enum: [8, 16, 32] 36 default: 8 37 38required: 39 - compatible 40 - reg 41 - interrupts 42 43unevaluatedProperties: false 44 45examples: 46 - | 47 spi0: spi@41e00000 { 48 compatible = "xlnx,xps-spi-2.00.a"; 49 interrupt-parent = <&intc>; 50 interrupts = <0 31 1>; 51 reg = <0x41e00000 0x10000>; 52 xlnx,num-ss-bits = <0x1>; 53 xlnx,num-transfer-bits = <32>; 54 }; 55... 56