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