2023-08-30 17:31:07 +02:00
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/spi/spi-cadence.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Cadence SPI controller
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maintainers:
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2023-10-24 12:59:35 +02:00
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- Michal Simek <michal.simek@amd.com>
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2023-08-30 17:31:07 +02:00
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allOf:
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- $ref: spi-controller.yaml#
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properties:
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compatible:
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enum:
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- cdns,spi-r1p6
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- xlnx,zynq-spi-r1p6
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clock-names:
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items:
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- const: ref_clk
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- const: pclk
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clocks:
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maxItems: 2
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num-cs:
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description: |
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Number of chip selects used. If a decoder is used,
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this will be the number of chip selects after the
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decoder.
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 1
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maximum: 4
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default: 4
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is-decoded-cs:
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description: |
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Flag to indicate whether decoder is used or not.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [ 0, 1 ]
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default: 0
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required:
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- compatible
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- reg
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- interrupts
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- clock-names
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- clocks
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unevaluatedProperties: false
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examples:
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- |
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spi@e0007000 {
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compatible = "xlnx,zynq-spi-r1p6";
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clock-names = "ref_clk", "pclk";
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clocks = <&clkc 26>, <&clkc 35>;
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interrupt-parent = <&intc>;
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interrupts = <0 49 4>;
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num-cs = <4>;
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is-decoded-cs = <0>;
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reg = <0xe0007000 0x1000>;
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};
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...
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