Files
android_kernel_samsung_sm87…/bindings/dma/renesas,rzn1-dmamux.yaml
Melody Olvera 6f18ce8026 dt-bindings: Add devicetree bindings
Add snapshot of device tree bindings from keystone common kernel, branch
"android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065
from e32903b9a63bb558df8b803b076619c53c16baad to
android-mainline-keystone-qcom-release").

Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
2023-04-03 15:40:37 -07:00

52 lines
1.1 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/dma/renesas,rzn1-dmamux.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas RZ/N1 DMA mux
maintainers:
- Miquel Raynal <miquel.raynal@bootlin.com>
allOf:
- $ref: "dma-router.yaml#"
properties:
compatible:
const: renesas,rzn1-dmamux
reg:
maxItems: 1
description: DMA mux first register offset within the system control parent.
'#dma-cells':
const: 6
description:
The first four cells are dedicated to the master DMA controller. The fifth
cell gives the DMA mux bit index that must be set starting from 0. The
sixth cell gives the binary value that must be written there, ie. 0 or 1.
dma-masters:
minItems: 1
maxItems: 2
dma-requests:
const: 32
required:
- reg
- dma-requests
additionalProperties: false
examples:
- |
dma-router@a0 {
compatible = "renesas,rzn1-dmamux";
reg = <0xa0 4>;
#dma-cells = <6>;
dma-masters = <&dma0 &dma1>;
dma-requests = <32>;
};