Correct the device tree example.
Signed-off-by: olivier moysan <olivier.moysan@xxxxxx>
---
.../devicetree/bindings/sound/st,stm32-sai.txt | 25 +++++++++-------------
1 file 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 c59a3d7..a0feeed 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";
};
};
};
--
1.9.1
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