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f3bfa0f079
fsl-spi.txt contains the bindings for the fsl,spi and fsl,espi contollers. Convert them to YAML. Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org> Signed-off-by: J. Neuschäfer <j.ne@posteo.net> Link: https://patch.msgid.link/20250220-ppcyaml-spi-v3-1-e340613c7875@posteo.net Signed-off-by: Mark Brown <broonie@kernel.org>
75 lines
1.6 KiB
YAML
75 lines
1.6 KiB
YAML
# 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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$id: http://devicetree.org/schemas/spi/fsl,spi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale SPI (Serial Peripheral Interface) controller
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maintainers:
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- J. Neuschäfer <j.ne@posteo.net>
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properties:
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compatible:
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enum:
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- fsl,spi
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- aeroflexgaisler,spictrl
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reg:
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maxItems: 1
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cell-index:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: |
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QE SPI subblock index.
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0: QE subblock SPI1
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1: QE subblock SPI2
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mode:
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description: SPI operation mode
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enum:
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- cpu
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- cpu-qe
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interrupts:
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maxItems: 1
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clock-frequency:
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description: input clock frequency to non FSL_SOC cores
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cs-gpios: true
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fsl,spisel_boot:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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For the MPC8306 and MPC8309, specifies that the SPISEL_BOOT signal is used
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as chip select for a slave device. Use reg = <number of gpios> in the
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corresponding child node, i.e. 0 if the cs-gpios property is not present.
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required:
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- compatible
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- reg
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- mode
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- interrupts
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allOf:
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- $ref: spi-controller.yaml#
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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spi@4c0 {
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compatible = "fsl,spi";
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reg = <0x4c0 0x40>;
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cell-index = <0>;
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interrupts = <82 0>;
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mode = "cpu";
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cs-gpios = <&gpio 18 IRQ_TYPE_EDGE_RISING // device reg=<0>
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&gpio 19 IRQ_TYPE_EDGE_RISING>; // device reg=<1>
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};
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...
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