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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
spi: dt-bindings: Add support for ATCSPI200 SPI controller
Document devicetree bindings for the Andes ATCSPI200 SPI controller.
Signed-off-by: CL Wang <cl634@andestech.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251215132349.513843-2-cl634@andestech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
CL Wang
and committed by
Mark Brown
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Documentation/devicetree/bindings/spi/andestech,ae350-spi.yaml
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Documentation/devicetree/bindings/spi/andestech,ae350-spi.yaml
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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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$id: http://devicetree.org/schemas/spi/andestech,ae350-spi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Andes ATCSPI200 SPI controller
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maintainers:
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- CL Wang <cl634@andestech.com>
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- andestech,qilai-spi
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- const: andestech,ae350-spi
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- const: andestech,ae350-spi
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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num-cs:
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description: Number of chip selects supported
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maxItems: 1
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dmas:
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items:
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- description: Transmit FIFO DMA channel
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- description: Receive FIFO DMA channel
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dma-names:
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items:
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- const: tx
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- const: rx
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patternProperties:
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"@[0-9a-f]+$":
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type: object
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additionalProperties: true
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properties:
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spi-rx-bus-width:
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enum: [1, 4]
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spi-tx-bus-width:
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enum: [1, 4]
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allOf:
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- $ref: spi-controller.yaml#
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required:
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- compatible
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- reg
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- clocks
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- dmas
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- dma-names
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unevaluatedProperties: false
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examples:
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- |
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spi@f0b00000 {
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compatible = "andestech,ae350-spi";
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reg = <0xf0b00000 0x100>;
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clocks = <&clk_spi>;
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dmas = <&dma0 0>, <&dma0 1>;
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dma-names = "tx", "rx";
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#address-cells = <1>;
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#size-cells = <0>;
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flash@0 {
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-tx-bus-width = <4>;
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spi-rx-bus-width = <4>;
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spi-cpol;
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spi-cpha;
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};
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};