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| author | Mark Brown <broonie@kernel.org> | 2019-05-06 22:51:54 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-05-06 22:51:54 +0900 |
| commit | 378d590c494551a68a824b939c711bb9a280e9ef (patch) | |
| tree | 7481e5902a89c9814666bdc45a3ff9f43f1c4450 /Documentation/devicetree/bindings/sound/adi,axi-i2s.txt | |
| parent | 7f5a466f2ea1115a4a73d987b7b6a73d23475305 (diff) | |
| parent | 1587a061ef562de0d97c82a95863e191bcd69d63 (diff) | |
| download | linux-378d590c494551a68a824b939c711bb9a280e9ef.tar.bz2 | |
Merge branch 'asoc-5.2' into asoc-next
Diffstat (limited to 'Documentation/devicetree/bindings/sound/adi,axi-i2s.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/adi,axi-i2s.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/sound/adi,axi-i2s.txt b/Documentation/devicetree/bindings/sound/adi,axi-i2s.txt index 4248b662deff..229ad1392cdc 100644 --- a/Documentation/devicetree/bindings/sound/adi,axi-i2s.txt +++ b/Documentation/devicetree/bindings/sound/adi,axi-i2s.txt @@ -1,5 +1,8 @@ ADI AXI-I2S controller +The core can be generated with transmit (playback), only receive +(capture) or both directions enabled. + Required properties: - compatible : Must be "adi,axi-i2s-1.00.a" - reg : Must contain I2S core's registers location and length @@ -9,8 +12,8 @@ Required properties: - clock-names : "axi" for the clock to the AXI interface, "ref" for the sample rate reference clock. - dmas: Pairs of phandle and specifier for the DMA channels that are used by - the core. The core expects two dma channels, one for transmit and one for - receive. + the core. The core expects two dma channels if both transmit and receive are + enabled, one channel otherwise. - dma-names : "tx" for the transmit channel, "rx" for the receive channel. For more details on the 'dma', 'dma-names', 'clock' and 'clock-names' properties |