diff options
-rw-r--r-- | Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt b/Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt index 680bb03577ef..7a296784eb37 100644 --- a/Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt +++ b/Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt @@ -17,6 +17,10 @@ Required properties: - dma-names: should be "tx" and "rx" - hisilicon,sysctrl-syscon: phandle to sysctrl syscon - #sound-dai-cells: Should be set to 1 (for multi-dai) + - The dai cell indexes reference the following interfaces: + 0: S2 interface + (Currently that is the only one available, but more may be + supported in the future) Example for the hi6210 i2s controller: @@ -32,3 +36,7 @@ i2s0: i2s@f7118000{ hisilicon,sysctrl-syscon = <&sys_ctrl>; #sound-dai-cells = <1>; }; + +Then when referencing the i2s controller: + sound-dai = <&i2s0 0>; /* index 0 => S2 interface */ + |