Unverified Commit fb522dbb authored by Jerome Brunet's avatar Jerome Brunet Committed by Mark Brown
Browse files

ASoC: meson: axg-fifo: add fifo depth to the bindings documentation 



Add a new property with the depth of the fifo in bytes. This is useful
since some instance of the fifo, even on the same SoC, may have different
depth. The depth is useful is set some parameters of the fifo.

Signed-off-by: default avatarJerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20191218172420.1199117-3-jbrunet@baylibre.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent d88cbd6f

Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt

+4 −0
Original line number Diff line number Diff line
@@ -17,6 +17,9 @@ Required properties: 
  * "arb" : memory ARB line (required)

  * "rst" : dedicated device reset line (optional)

- #sound-dai-cells: must be 0.

- amlogic,fifo-depth: The size of the controller's fifo in bytes. This

  		      is useful for determining certain configuration such

		      as the flush threshold of the fifo



Example of FRDDR A on the A113 SoC:
@@ -27,4 +30,5 @@ frddr_a: audio-controller@1c0 { 
	interrupts = <GIC_SPI 88 IRQ_TYPE_EDGE_RISING>;

	clocks = <&clkc_audio AUD_CLKID_FRDDR_A>;

	resets = <&arb AXG_ARB_FRDDR_A>;

	fifo-depth = <512>;

};

CRA Git | Maintained and supported by SUSTech CRA and CCSE