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| author | Olivier Moysan <olivier.moysan@st.com> | 2018-10-15 17:03:33 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-10-19 15:11:49 +0300 |
| commit | af16112457d8175b444baa9aac02558a1e1154b5 (patch) | |
| tree | 7887d437766d9f5795c1fc1bb7fbf571fd8f1a20 /Documentation/devicetree/bindings | |
| parent | 2c7b696a7589ab14854c132dc732973fbd498d5a (diff) | |
| download | linux-af16112457d8175b444baa9aac02558a1e1154b5.tar.xz | |
ASoC: dt-bindings: add mclk provider support to stm32 sai
add mclk provider support to stm32 sai
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/st,stm32-sai.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/st,stm32-sai.txt b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt index 3a3fc506e43a..3f4467ff0aa2 100644 --- a/Documentation/devicetree/bindings/sound/st,stm32-sai.txt +++ b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt @@ -31,7 +31,11 @@ SAI subnodes required properties: - reg: Base address and size of SAI sub-block register set. - clocks: Must contain one phandle and clock specifier pair for sai_ck which feeds the internal clock generator. + If the SAI shares a master clock, with another SAI set as MCLK + clock provider, SAI provider phandle must be specified here. - clock-names: Must contain "sai_ck". + Must also contain "MCLK", if SAI shares a master clock, + with a SAI set as MCLK clock provider. - dmas: see Documentation/devicetree/bindings/dma/stm32-dma.txt - dma-names: identifier string for each DMA request line "tx": if sai sub-block is configured as playback DAI @@ -51,6 +55,9 @@ SAI subnodes Optional properties: configured according to protocol defined in related DAI link node, such as i2s, left justified, right justified, dsp and pdm protocols. Note: ac97 protocol is not supported by SAI driver + - #clock-cells: should be 0. This property must be present if the SAI device + is a master clock provider, according to clocks bindings, described in + Documentation/devicetree/bindings/clock/clock-bindings.txt. The device node should contain one 'port' child node with one child 'endpoint' node, according to the bindings defined in Documentation/devicetree/bindings/ |