# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/spi/allwinner,sun4i-a10-spi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Allwinner A10 SPI Controller Device Tree Bindings
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allOf:
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- $ref: "spi-controller.yaml"
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maintainers:
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- Chen-Yu Tsai <wens@csie.org>
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- Maxime Ripard <mripard@kernel.org>
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properties:
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"#address-cells": true
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"#size-cells": true
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compatible:
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const: allwinner,sun4i-a10-spi
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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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clocks:
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items:
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- description: Bus Clock
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- description: Module Clock
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clock-names:
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items:
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- const: ahb
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- const: mod
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dmas:
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items:
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- description: RX DMA Channel
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- description: TX DMA Channel
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dma-names:
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items:
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- const: rx
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- const: tx
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num-cs: true
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patternProperties:
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"^.*@[0-9a-f]+":
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type: object
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properties:
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reg:
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items:
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minimum: 0
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maximum: 4
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spi-rx-bus-width:
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const: 1
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spi-tx-bus-width:
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const: 1
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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additionalProperties: false
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examples:
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- |
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spi1: spi@1c06000 {
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compatible = "allwinner,sun4i-a10-spi";
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reg = <0x01c06000 0x1000>;
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interrupts = <11>;
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clocks = <&ahb_gates 21>, <&spi1_clk>;
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clock-names = "ahb", "mod";
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#address-cells = <1>;
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#size-cells = <0>;
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};
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...
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