0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/spi/spi-xilinx.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Xilinx SPI controller Device Tree Bindings
0008
0009 maintainers:
0010 - Michal Simek <michal.simek@xilinx.com>
0011
0012 allOf:
0013 - $ref: "spi-controller.yaml#"
0014
0015 properties:
0016 compatible:
0017 enum:
0018 - xlnx,xps-spi-2.00.a
0019 - xlnx,xps-spi-2.00.b
0020 - xlnx,axi-quad-spi-1.00.a
0021
0022 reg:
0023 maxItems: 1
0024
0025 interrupts:
0026 maxItems: 1
0027
0028 xlnx,num-ss-bits:
0029 description: Number of chip selects used.
0030 minimum: 1
0031 maximum: 32
0032
0033 xlnx,num-transfer-bits:
0034 description: Number of bits per transfer. This will be 8 if not specified.
0035 enum: [8, 16, 32]
0036 default: 8
0037
0038 required:
0039 - compatible
0040 - reg
0041 - interrupts
0042
0043 unevaluatedProperties: false
0044
0045 examples:
0046 - |
0047 spi0: spi@41e00000 {
0048 compatible = "xlnx,xps-spi-2.00.a";
0049 interrupt-parent = <&intc>;
0050 interrupts = <0 31 1>;
0051 reg = <0x41e00000 0x10000>;
0052 xlnx,num-ss-bits = <0x1>;
0053 xlnx,num-transfer-bits = <32>;
0054 };
0055 ...
