This adds the DT binding for the audio-codec sub-module found
inside the Motorola CPCAP PMIC.
Acked-by: Mark Brown <broonie@xxxxxxxxxx>
Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Acked-for-MFD-by: Lee Jones <lee.jones@xxxxxxxxxx>
Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
---
.../devicetree/bindings/mfd/motorola-cpcap.txt | 42 ++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/Documentation/devicetree/bindings/mfd/motorola-cpcap.txt b/Documentation/devicetree/bindings/mfd/motorola-cpcap.txt
index 15bc885f9df4..c639705a98ef 100644
--- a/Documentation/devicetree/bindings/mfd/motorola-cpcap.txt
+++ b/Documentation/devicetree/bindings/mfd/motorola-cpcap.txt
@@ -12,6 +12,30 @@ Required properties:
- spi-max-frequency : Typically set to 3000000
- spi-cs-high : SPI chip select direction
+Optional subnodes:
+
+The sub-functions of CPCAP get their own node with their own compatible values,
+which are described in the following files:
+
+- ../power/supply/cpcap-battery.txt
+- ../power/supply/cpcap-charger.txt
+- ../regulator/cpcap-regulator.txt
+- ../phy/phy-cpcap-usb.txt
+- ../input/cpcap-pwrbutton.txt
+- ../rtc/cpcap-rtc.txt
+- ../leds/leds-cpcap.txt
+- ../iio/adc/cpcap-adc.txt
+
+The only exception is the audio codec. Instead of a compatible value its
+node must be named "audio-codec".
+
+Required properties for the audio-codec subnode:
+
+- #sound-dai-cells = <1>;
+
+The audio-codec provides two DAIs. The first one is connected to the
+Stereo HiFi DAC and the second one is connected to the Voice DAC.
+
Example:
&mcspi1 {
@@ -26,6 +50,24 @@ Example:
#size-cells = <0>;
spi-max-frequency = <3000000>;
spi-cs-high;
+
+ audio-codec {
+ #sound-dai-cells = <1>;
+
+ /* HiFi */
+ port@0 {
+ endpoint {
+ remote-endpoint = <&cpu_dai1>;
+ };
+ };
+
+ /* Voice */
+ port@1 {
+ endpoint {
+ remote-endpoint = <&cpu_dai2>;
+ };
+ };
+ };
};
};
--
2.16.2
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