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Maxime Ripard authored
The newer Allwinner SoCs have a DMA controller supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Reviewed-by:
Rob Herring <robh@kernel.org> Signed-off-by:
Maxime Ripard <maxime.ripard@bootlin.com> Link: https://lore.kernel.org/r/20190720092607.31095-3-maxime.ripard@bootlin.com Signed-off-by:
Vinod Koul <vkoul@kernel.org>
Maxime Ripard authoredThe newer Allwinner SoCs have a DMA controller supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Reviewed-by:
allwinner,sun6i-a31-dma.yaml 1.15 KiB
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/dma/allwinner,sun6i-a31-dma.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A31 DMA Controller Device Tree Bindings
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <maxime.ripard@bootlin.com>
allOf:
- $ref: "dma-controller.yaml#"
properties:
"#dma-cells":
const: 1
description: The cell is the request line number.
compatible:
oneOf:
- const: allwinner,sun6i-a31-dma
- const: allwinner,sun8i-a23-dma
- const: allwinner,sun8i-a83t-dma
- const: allwinner,sun8i-h3-dma
- const: allwinner,sun8i-v3s-dma
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
resets:
maxItems: 1
required:
- "#dma-cells"
- compatible
- reg
- interrupts
- clocks
- resets
additionalProperties: false
examples:
- |
dma: dma-controller@1c02000 {
compatible = "allwinner,sun6i-a31-dma";
reg = <0x01c02000 0x1000>;
interrupts = <0 50 4>;
clocks = <&ahb1_gates 6>;
resets = <&ahb1_rst 6>;
#dma-cells = <1>;
};
...