Added support for mbed AudioCODEC (TLV320AIC23B)

Signed-off-by: Yevhen Kyriukha <kirgene@gmail.com>

diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
index bc997af70665784160692c3d47b3499ff268c4e1..eae6a665c108b99c34c13665990a199c64b55688 100644 (file)
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -57,6 +57,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
        justboom-dac.dtbo \
        justboom-digi.dtbo \
        lirc-rpi.dtbo \
+       mbed-dac.dtbo \
        mcp23017.dtbo \
        mcp23s17.dtbo \
        mcp2515-can0.dtbo \

diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index afc7eea8ced47ce047832912e592f157f6e891a4..eacdb15115cd0148dfddc2872f7d3cfcf70880a8 100644 (file)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -954,6 +954,12 @@ Params: gpio_out_pin            GPIO for output (default "17")
                                 (default "off")
 
 
+Name:   mbed-dac
+Info:   Configures the mbed AudioCODEC (TLV320AIC23B)
+Load:   dtoverlay=mbed-dac
+Params: <None>
+
+
 Name:   mcp23017
 Info:   Configures the MCP23017 I2C GPIO expander
 Load:   dtoverlay=mcp23017,<param>=<val>

diff --git a/arch/arm/boot/dts/overlays/mbed-dac-overlay.dts b/arch/arm/boot/dts/overlays/mbed-dac-overlay.dts
new file mode 100644 (file)
index 0000000..313563d
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/mbed-dac-overlay.dts
@@ -0,0 +1,64 @@
+// Definitions for mbed DAC
+/dts-v1/;
+/plugin/;
+
+/ {
+       compatible = "brcm,bcm2708";
+
+       fragment@0 {
+               target = <&i2s>;
+               __overlay__ {
+                       status = "okay";
+               };
+       };
+
+       fragment@1 {
+               target = <&i2c1>;
+               __overlay__ {
+                       #address-cells = <1>;
+                        #size-cells = <0>;
+                       status = "okay";
+
+                       tlv320aic23: codec@1a {
+                               #sound-dai-cells = <0>;
+                               reg = <0x1a>;
+                               compatible = "ti,tlv320aic23";
+                               status = "okay";
+                       };
+               };
+       };
+
+       fragment@2 {
+               target = <&sound>;
+               __overlay__ {
+                       compatible = "simple-audio-card";
+                       i2s-controller = <&i2s>;
+                       status = "okay";
+
+                       simple-audio-card,name = "mbed-DAC";
+
+                       simple-audio-card,widgets =
+                               "Microphone", "Mic Jack",
+                               "Line", "Line In",
+                               "Headphone", "Headphone Jack";
+
+                       simple-audio-card,routing =
+                               "Headphone Jack", "LHPOUT",
+                               "Headphone Jack", "RHPOUT",
+                               "LLINEIN", "Line In",
+                               "RLINEIN", "Line In",
+                               "MICIN", "Mic Jack";
+
+                       simple-audio-card,format = "i2s";
+
+                       simple-audio-card,cpu {
+                               sound-dai = <&i2s>;
+                       };
+
+                       sound_master: simple-audio-card,codec {
+                               sound-dai = <&tlv320aic23>;
+                               system-clock-frequency = <12288000>;
+                       };
+               };
+       };
+};