+ Peter
On Thursday 11 August 2016 01:38 AM, Karl Beldan wrote:
> The LCDK embeds a TLV320AIC3106 connected to the SoC McASP for analog
> audio. This relies on the 'dummy' regulator as the codec is always on.
> Quality is good with arecord -pipe- aplay on Line In/Line Out.
> The MIC path doesn't seem to work yet.
>
> Signed-off-by: Karl Beldan <kbeldan@xxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/da850-lcdk.dts | 75 ++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 75 insertions(+)
>
> diff --git a/arch/arm/boot/dts/da850-lcdk.dts b/arch/arm/boot/dts/da850-lcdk.dts
> index dbcca0b..35b31d9 100644
> --- a/arch/arm/boot/dts/da850-lcdk.dts
> +++ b/arch/arm/boot/dts/da850-lcdk.dts
> @@ -6,6 +6,7 @@
> /dts-v1/;
> #include "da850.dtsi"
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/sound/tlv320aic31xx-micbias.h>
>
> / {
> model = "DA850/AM1808/OMAP-L138 LCDK";
> @@ -23,10 +24,50 @@
> device_type = "memory";
> reg = <0xc0000000 0x08000000>;
> };
> +
> + sound {
> + compatible = "simple-audio-card";
> + simple-audio-card,name = "DA850/OMAP-L138 LCDK";
> + simple-audio-card,widgets =
> + "Microphone", "Mic Jack",
> + "Line", "Line In",
> + "Line", "Line Out";
> + simple-audio-card,routing =
> + "MIC3L", "Mic Jack",
> + "MIC3R", "Mic Jack",
> + "Mic Jack", "Mic Bias",
> + "LINE1L", "Line In",
> + "LINE1R", "Line In",
> + "Line Out", "LLOUT",
> + "Line Out", "RLOUT";
> + simple-audio-card,format = "dsp_b";
> + simple-audio-card,bitclock-master = <&link0_codec>;
> + simple-audio-card,frame-master = <&link0_codec>;
> + simple-audio-card,bitclock-inversion;
> +
> + simple-audio-card,cpu {
> + sound-dai = <&mcasp0>;
> + system-clock-frequency = <24576000>;
> + };
> +
> + link0_codec: simple-audio-card,codec {
> + sound-dai = <&tlv320aic3106>;
> + system-clock-frequency = <24576000>;
> + };
> + };
> };
>
> &pmx_core {
> status = "okay";
> +
> + mcasp0_pins: pinmux_mcasp0_pins {
> + pinctrl-single,bits = <
> + /* AHCLKX AFSX ACLKX */
> + 0x00 0x00101010 0x00f0f0f0
> + /* ARX13 ARX14 */
> + 0x04 0x00000110 0x00000ff0
> + >;
> + };
> };
>
> &serial2 {
> @@ -68,3 +109,37 @@
> cd-gpios = <&gpio 64 GPIO_ACTIVE_HIGH>;
> status = "okay";
> };
> +
> +&i2c0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c0_pins>;
> + clock-frequency = <100000>;
> + status = "okay";
> +
> + tlv320aic3106: tlv320aic3106@18 {
> + #sound-dai-cells = <0>;
> + compatible = "ti,tlv320aic3106";
> + reg = <0x18>;
> + status = "okay";
> +
> + ai3x-micbias-vg = <MICBIAS_2_5V>;
> + };
> +};
> +
> +&mcasp0 {
> + #sound-dai-cells = <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&mcasp0_pins>;
> + status = "okay";
> +
> + op-mode = <0>; /* DAVINCI_MCASP_IIS_MODE */
> + tdm-slots = <2>;
> + serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
> + 0 0 0 0
> + 0 0 0 0
> + 0 0 0 0
> + 0 1 2 0
> + >;
> + tx-num-evt = <32>;
> + rx-num-evt = <32>;
> +};
>
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