diff options
author | Jerome Brunet <jbrunet@baylibre.com> | 2019-12-18 18:24:18 +0100 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2019-12-18 19:54:44 +0000 |
commit | fb522dbb4531c14193115a09905c6c31b37dbfc5 (patch) | |
tree | 1740bcf0c552f575a9e56d7185116fbae78d061a /Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt | |
parent | d88cbd6feaf4b5de07d91f531112cf57ce821d78 (diff) |
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: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20191218172420.1199117-3-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt')
-rw-r--r-- | Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt b/Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt index 3080979350a0..fa4545ed81ca 100644 --- a/Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt +++ b/Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt @@ -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>; }; |