From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- .../bindings/dma/socionext,uniphier-xdmac.yaml | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/socionext,uniphier-xdmac.yaml (limited to 'Documentation/devicetree/bindings/dma/socionext,uniphier-xdmac.yaml') diff --git a/Documentation/devicetree/bindings/dma/socionext,uniphier-xdmac.yaml b/Documentation/devicetree/bindings/dma/socionext,uniphier-xdmac.yaml new file mode 100644 index 000000000..371f18773 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/socionext,uniphier-xdmac.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/socionext,uniphier-xdmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Socionext UniPhier external DMA controller + +description: | + This describes the devicetree bindings for an external DMA engine to perform + memory-to-memory or peripheral-to-memory data transfer capable of supporting + 16 channels, implemented in Socionext UniPhier SoCs. + +maintainers: + - Kunihiko Hayashi + +allOf: + - $ref: "dma-controller.yaml#" + +properties: + compatible: + const: socionext,uniphier-xdmac + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + "#dma-cells": + const: 2 + description: | + DMA request from clients consists of 2 cells: + 1. Channel index + 2. Transfer request factor number, If no transfer factor, use 0. + The number is SoC-specific, and this should be specified with + relation to the device to use the DMA controller. + + dma-channels: + minimum: 1 + maximum: 16 + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - "#dma-cells" + - dma-channels + +examples: + - | + xdmac: dma-controller@5fc10000 { + compatible = "socionext,uniphier-xdmac"; + reg = <0x5fc10000 0x5300>; + interrupts = <0 188 4>; + #dma-cells = <2>; + dma-channels = <16>; + }; + +... -- cgit v1.2.3