diff options
| author |   David Lechner <dlechner@baylibre.com> | 2024-12-16 14:51:02 -0600 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2024-12-24 15:48:08 +0530 |
| commit | 06d5363296dbcffb9e52ca4c9cec097105eb81e9 (patch) | |
| tree | b750cf577d5eeb30e1212f34cc4687d886e1a041 | |
| parent | dt-bindings: dma: adi,axi-dmac: convert to yaml schema (diff) | |
| download | wireguard-linux-06d5363296dbcffb9e52ca4c9cec097105eb81e9.tar.xz wireguard-linux-06d5363296dbcffb9e52ca4c9cec097105eb81e9.zip | |
dt-bindings: dma: adi,axi-dmac: deprecate adi,channels node
Deprecate the adi,channels node in the adi,axi-dmac binding. Prior to
IP version 4.3.a, this information was required. Since then, there are
memory-mapped registers that can be read to get the same information.
Acked-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20241216-axi-dma-dt-yaml-v3-2-7b994710c43f@baylibre.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/adi,axi-dmac.yaml | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/Documentation/devicetree/bindings/dma/adi,axi-dmac.yaml b/Documentation/devicetree/bindings/dma/adi,axi-dmac.yaml index b1f4bdcab4fd..63b6fb0423c2 100644 --- a/Documentation/devicetree/bindings/dma/adi,axi-dmac.yaml +++ b/Documentation/devicetree/bindings/dma/adi,axi-dmac.yaml @@ -33,8 +33,12 @@ properties: const: 1 adi,channels: + deprecated: true type: object - description: This sub-node must contain a sub-node for each DMA channel. + description: + This sub-node must contain a sub-node for each DMA channel. This node is + only required for IP versions older than 4.3.a and should otherwise be + omitted. additionalProperties: false properties: @@ -113,7 +117,6 @@ required: - interrupts - clocks - "#dma-cells" - - adi,channels examples: - | @@ -123,17 +126,4 @@ examples: interrupts = <0 57 0>; clocks = <&clkc 16>; #dma-cells = <1>; - - adi,channels { - #size-cells = <0>; - #address-cells = <1>; - - dma-channel@0 { - reg = <0>; - adi,source-bus-width = <32>; - adi,source-bus-type = <0>; /* Memory mapped */ - adi,destination-bus-width = <64>; - adi,destination-bus-type = <2>; /* FIFO */ - }; - }; }; |