56 lines
1.2 KiB
YAML
56 lines
1.2 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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$id: http://devicetree.org/schemas/spi/rockchip-flexbus-spi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Rockchip Flexbus controller under SPI transmission protocol
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maintainers:
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- Jon Lin <jon.lin@rock-chips.com>
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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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const: rockchip,flexbus-spi
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description:
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The rockchip flexbus controller is a standalone IP with version register,
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and the driver can handle all the feature difference inside the IP
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depending on the version register.
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rockchip,dll-cells:
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description:
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Setting dll cells.
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rockchip,dfs:
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description:
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Setting data width.
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rockchip,poll-only:
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description: Add this property to set the wait idle method as CPU polling.
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type: boolean
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required:
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- compatible
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unevaluatedProperties: false
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examples:
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- |
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flexbus_spi: spi@ff3a0000 {
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compatible = "rockchip,flexbus-spi";
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rockchip,dfs = <16>;
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#address-cells = <1>;
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#size-cells = <0>;
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spidev@0 {
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compatible = "rockchip,spidev";
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reg = <0>;
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spi-max-frequency = <50000000>;
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};
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};
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...
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