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23a71fd616
This patchset attempts to standardize the naming of dt-bindings documents based on the Broadcom vendor prefix of brcm. Although there are no guidelines currently present for how to name the dt-bindings document the "vendor,binding.txt" style is in use by some of the other vendors. Acked-by: Lee Jones <lee@kernel.org> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Gregory Fong <gregory.0xf0@gmail.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Scott Branden <sbranden@broadcom.com> Signed-off-by: Rob Herring <robh@kernel.org>
26 lines
790 B
Plaintext
26 lines
790 B
Plaintext
* Broadcom BCM2835 SoC I2S/PCM module
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Required properties:
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- compatible: "brcm,bcm2835-i2s"
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- reg: A list of base address and size entries:
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* The first entry should cover the PCM registers
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* The second entry should cover the PCM clock registers
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- dmas: List of DMA controller phandle and DMA request line ordered pairs.
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- dma-names: Identifier string for each DMA request line in the dmas property.
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These strings correspond 1:1 with the ordered pairs in dmas.
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One of the DMA channels will be responsible for transmission (should be
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named "tx") and one for reception (should be named "rx").
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Example:
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bcm2835_i2s: i2s@7e203000 {
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compatible = "brcm,bcm2835-i2s";
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reg = <0x7e203000 0x20>,
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<0x7e101098 0x02>;
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dmas = <&dma 2>,
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<&dma 3>;
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dma-names = "tx", "rx";
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};
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