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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/spi-cadence.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Cadence SPI controller
maintainers:
- Michal Simek <michal.simek@amd.com>
allOf:
- $ref: spi-controller.yaml#
properties:
compatible:
enum:
- cdns,spi-r1p6
- xlnx,zynq-spi-r1p6
reg:
maxItems: 1
interrupts:
maxItems: 1
clock-names:
items:
- const: ref_clk
- const: pclk
clocks:
maxItems: 2
num-cs:
description: |
Number of chip selects used. If a decoder is used,
this will be the number of chip selects after the
decoder.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 1
maximum: 4
default: 4
is-decoded-cs:
description: |
Flag to indicate whether decoder is used or not.
$ref: /schemas/types.yaml#/definitions/uint32
enum: [ 0, 1 ]
default: 0
power-domains:
maxItems: 1
label:
description: Descriptive name of the SPI controller.
resets:
maxItems: 1
reset-names:
items:
- const: spi
required:
- compatible
- reg
- interrupts
- clock-names
- clocks
unevaluatedProperties: false
examples:
- |
spi@e0007000 {
compatible = "xlnx,zynq-spi-r1p6";
clock-names = "ref_clk", "pclk";
clocks = <&clkc 26>, <&clkc 35>;
interrupt-parent = <&intc>;
interrupts = <0 49 4>;
num-cs = <4>;
is-decoded-cs = <0>;
reg = <0xe0007000 0x1000>;
};
...
|
