Re: [PATCH 03/10] dt-bindings: dma: Add RDA IFC DMA
From: Rob Herring <robh@kernel.org>
Date: 2025-09-22 18:08:54
Also in:
dmaengine, linux-clk, linux-devicetree, linux-gpio, linux-hardening, linux-mmc, lkml
On Fri, Sep 19, 2025 at 01:48:43AM +0700, Dang Huynh wrote:
quoted hunk ↗ jump to hunk
The Intelligent Flow Controller (IFC) is a scatter/gather DMA controller. Signed-off-by: Dang Huynh <redacted> --- Documentation/devicetree/bindings/dma/rda,ifc.yaml | 45 ++++++++++++++++++++++ include/dt-bindings/dma/rda-ifc.h | 28 ++++++++++++++ 2 files changed, 73 insertions(+)diff --git a/Documentation/devicetree/bindings/dma/rda,ifc.yaml b/Documentation/devicetree/bindings/dma/rda,ifc.yaml new file mode 100644 index 0000000000000000000000000000000000000000..323e1e87cee09cfc7b64bf44bef61e4d1e91afa5 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/rda,ifc.yaml@@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/rda,ifc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: RDA Intelligent Flow Controller (IFC) + +maintainers: + - Dang Huynh <dang.huynh@mainlining.org> + +description: | + RDA IFC is a DMA controller, it only supports scatter/gather lists. + +allOf: + - $ref: dma-controller.yaml# + +properties: + compatible: + items: + - enum: + - rda,8810pl-ifc + - const: rda,ifc
Also, drop. Generic compatibles are rarely useful. If the next chip has the same block, then 'rda,8810pl-ifc' can be the fallback compatible. Rob