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dmaengine: pl08x: Add Faraday FTDMAC020 to compatible list

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This augments the PL08x bindings to include the Faraday Technology
FTDMAC020 DMA engine, as it is clearly a derivative of the PL08x
PrimeCell. Also specify that it needs the special peripheral ID
specified to work properly.

Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Linus Walleij 2017-05-20 23:42:51 +02:00 committed by Vinod Koul
parent 4166a56aa8
commit 9e972571d4
1 changed files with 7 additions and 2 deletions
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9
Documentation/devicetree/bindings/dma/arm-pl08x.txt
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@ -3,6 +3,11 @@
Required properties:
- compatible: "arm,pl080", "arm,primecell";
"arm,pl081", "arm,primecell";
"faraday,ftdmac020", "arm,primecell"
- arm,primecell-periphid: on the FTDMAC020 the primecell ID is not hard-coded
in the hardware and must be specified here as <0x0003b080>. This number
follows the PrimeCell standard numbering using the JEP106 vendor code 0x38
for Faraday Technology.
- reg: Address range of the PL08x registers
- interrupt: The PL08x interrupt number
- clocks: The clock running the IP core clock
@ -20,8 +25,8 @@ Optional properties:
- dma-requests: contains the total number of DMA requests supported by the DMAC
- memcpy-burst-size: the size of the bursts for memcpy: 1, 4, 8, 16, 32
64, 128 or 256 bytes are legal values
- memcpy-bus-width: the bus width used for memcpy: 8, 16 or 32 are legal
values
- memcpy-bus-width: the bus width used for memcpy in bits: 8, 16 or 32 are legal
values, the Faraday FTDMAC020 can also accept 64 bits
Clients
Required properties: