|
@@ -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";
|
|
|
};
|
|
|
};
|
|
|
};
|