From e32d99af6830c9a8f37b4f2637ef0cdc60fa79fb Mon Sep 17 00:00:00 2001 From: Jerome Brunet Date: Tue, 17 Jul 2018 17:42:50 +0200 Subject: [PATCH] ASoC: meson: add axg fifos DT binding documentation Add the DT bindings documentation for axg's FIFOs: TODDR and FRDDR. Signed-off-by: Jerome Brunet Signed-off-by: Mark Brown --- .../bindings/sound/amlogic,axg-fifo.txt | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt b/Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt new file mode 100644 index 000000000000..3dfc2515e5c6 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt @@ -0,0 +1,23 @@ +* Amlogic Audio FIFO controllers + +Required properties: +- compatible: 'amlogic,axg-toddr' or + 'amlogic,axg-frddr' +- reg: physical base address of the controller and length of memory + mapped region. +- interrupts: interrupt specifier for the fifo. +- clocks: phandle to the fifo peripheral clock provided by the audio + clock controller. +- resets: phandle to memory ARB line provided by the arb reset controller. +- #sound-dai-cells: must be 0. + +Example of FRDDR A on the A113 SoC: + +frddr_a: audio-controller@1c0 { + compatible = "amlogic,axg-frddr"; + reg = <0x0 0x1c0 0x0 0x1c>; + #sound-dai-cells = <0>; + interrupts = ; + clocks = <&clkc_audio AUD_CLKID_FRDDR_A>; + resets = <&arb AXG_ARB_FRDDR_A>; +}; -- 2.30.2