From fb522dbb4531c14193115a09905c6c31b37dbfc5 Mon Sep 17 00:00:00 2001 From: Jerome Brunet Date: Wed, 18 Dec 2019 18:24:18 +0100 Subject: 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 Link: https://lore.kernel.org/r/20191218172420.1199117-3-jbrunet@baylibre.com Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Documentation/devicetree/bindings') 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 = ; clocks = <&clkc_audio AUD_CLKID_FRDDR_A>; resets = <&arb AXG_ARB_FRDDR_A>; + fifo-depth = <512>; }; -- cgit v1.2.3-59-g8ed1b