mirror of
https://github.com/torvalds/linux.git
synced 2026-04-18 23:03:57 -04:00
39ce725e62
Add device tree binding documentation for the SpacemiT K1 PDMA controller. Signed-off-by: Guodong Xu <guodong@riscstar.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20250822-working_dma_0701_v2-v5-1-f5c0eda734cc@riscstar.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
69 lines
1.2 KiB
YAML
69 lines
1.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/dma/spacemit,k1-pdma.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: SpacemiT K1 PDMA Controller
|
|
|
|
maintainers:
|
|
- Guodong Xu <guodong@riscstar.com>
|
|
|
|
allOf:
|
|
- $ref: dma-controller.yaml#
|
|
|
|
properties:
|
|
compatible:
|
|
const: spacemit,k1-pdma
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
description: Shared interrupt for all DMA channels
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
maxItems: 1
|
|
|
|
resets:
|
|
maxItems: 1
|
|
|
|
dma-channels:
|
|
maximum: 16
|
|
|
|
'#dma-cells':
|
|
const: 1
|
|
description:
|
|
The DMA request number for the peripheral device.
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- interrupts
|
|
- clocks
|
|
- resets
|
|
- dma-channels
|
|
- '#dma-cells'
|
|
|
|
unevaluatedProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/clock/spacemit,k1-syscon.h>
|
|
|
|
soc {
|
|
#address-cells = <2>;
|
|
#size-cells = <2>;
|
|
|
|
dma-controller@d4000000 {
|
|
compatible = "spacemit,k1-pdma";
|
|
reg = <0x0 0xd4000000 0x0 0x4000>;
|
|
interrupts = <72>;
|
|
clocks = <&syscon_apmu CLK_DMA>;
|
|
resets = <&syscon_apmu RESET_DMA>;
|
|
dma-channels = <16>;
|
|
#dma-cells = <1>;
|
|
};
|
|
};
|