diff options
Diffstat (limited to 'Documentation/devicetree/bindings')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/st,stm32-sai.txt | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/Documentation/devicetree/bindings/sound/st,stm32-sai.txt b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt index c59a3d779e06..a0feeed1710e 100644 --- a/Documentation/devicetree/bindings/sound/st,stm32-sai.txt +++ b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt @@ -36,6 +36,10 @@ SAI subnodes required properties: - pinctrl-names: should contain only value "default" - pinctrl-0: see Documentation/devicetree/bindings/pinctrl/pinctrl-stm32.txt +The device node should contain one 'port' child node with one child 'endpoint' +node, according to the bindings defined in Documentation/devicetree/bindings/ +graph.txt. + Example: sound_card { compatible = "audio-graph-card"; @@ -46,16 +50,15 @@ sai1: sai1@40015800 { compatible = "st,stm32f4-sai"; #address-cells = <1>; #size-cells = <1>; - ranges; + ranges = <0 0x40015800 0x400>; reg = <0x40015800 0x4>; clocks = <&rcc 1 CLK_SAIQ_PDIV>, <&rcc 1 CLK_I2SQ_PDIV>; clock-names = "x8k", "x11k"; interrupts = <87>; sai1b: audio-controller@40015824 { - #sound-dai-cells = <0>; compatible = "st,stm32-sai-sub-b"; - reg = <0x40015824 0x1C>; + reg = <0x24 0x1C>; clocks = <&rcc 1 CLK_SAI2>; clock-names = "sai_ck"; dmas = <&dma2 5 0 0x400 0x0>; @@ -63,18 +66,10 @@ sai1: sai1@40015800 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sai1b>; - ports { - #address-cells = <1>; - #size-cells = <0>; - - sai1b_port: port@0 { - reg = <0>; - cpu_endpoint: endpoint { - remote-endpoint = <&codec_endpoint>; - audio-graph-card,format = "i2s"; - audio-graph-card,bitclock-master = <&codec_endpoint>; - audio-graph-card,frame-master = <&codec_endpoint>; - }; + sai1b_port: port { + cpu_endpoint: endpoint { + remote-endpoint = <&codec_endpoint>; + format = "i2s"; }; }; }; |