[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <20251002-absolute-spinning-f899e75b2c4a@spud>
Date: Thu, 2 Oct 2025 19:40:35 +0100
From: Conor Dooley <conor@...nel.org>
To: CL Wang <cl634@...estech.com>
Cc: vkoul@...nel.org, dmaengine@...r.kernel.org, robh@...nel.org,
krzk+dt@...nel.org, conor+dt@...nel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, tim609@...estech.com
Subject: Re: [PATCH V1 1/2] dt-bindings: dmaengine: Add support for
ATCDMAC300 DMA engine
On Thu, Oct 02, 2025 at 09:16:58PM +0800, CL Wang wrote:
> Document devicetree bindings for Andes ATCDMAC300 DMA engine
>
> Signed-off-by: CL Wang <cl634@...estech.com>
> ---
> .../bindings/dma/andestech,atcdmac300.yaml | 51 +++++++++++++++++++
> MAINTAINERS | 6 +++
> 2 files changed, 57 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/dma/andestech,atcdmac300.yaml
>
> diff --git a/Documentation/devicetree/bindings/dma/andestech,atcdmac300.yaml b/Documentation/devicetree/bindings/dma/andestech,atcdmac300.yaml
> new file mode 100644
> index 000000000000..769694616517
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dma/andestech,atcdmac300.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/dma/andestech,atcdmac300.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Andes ATCDMAC300 DMA Controller
> +
> +maintainers:
> + - CL Wang <cl634@...estech.com>
> +
> +allOf:
> + - $ref: dma-controller.yaml#
> +
> +properties:
> + compatible:
> + const: andestech,atcdmac300
"atcdmac300" sounds like the name of an IP block. What platforms are
actually using this? They should have platform-specific compatibles, for
example, "andestech,qilai-dma" if that's the platform where this is
supported.
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + "#dma-cells":
> + const: 1
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - "#dma-cells"
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/irq.h>
> +
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + dma-controller@...00000 {
> + compatible = "andestech,atcdmac300";
> + reg = <0x0 0xf0c00000 0x0 0x1000>;
> + interrupts = <10 IRQ_TYPE_LEVEL_HIGH>;
> + #dma-cells = <1>;
> + };
> + };
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index fe168477caa4..dd3272cdadd6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1778,6 +1778,12 @@ S: Supported
> F: drivers/clk/analogbits/*
> F: include/linux/clk/analogbits*
>
> +ANDES DMA DRIVER
> +M: CL Wang <cl634@...estech.com>
> +S: Supported
> +F: Documentation/devicetree/bindings/dma/andestech,atcdmac300.yaml
> +F: drivers/dma/atcdmac300*
> +
> ANDROID DRIVERS
> M: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> M: Arve Hjønnevåg <arve@...roid.com>
> --
> 2.34.1
>
Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)
Powered by blists - more mailing lists