@@ -8,6 +8,8 @@
#include "meson-a1.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
/ {
compatible = "amlogic,ad402", "amlogic,a1";
model = "Amlogic Meson A1 AD402 Development Board";
@@ -83,6 +85,100 @@ vddio_1v8: regulator-vddio-1v8 {
vin-supply = <&vddao_3v3>;
regulator-always-on;
};
+
+ amplifier: amplifier {
+ compatible = "simple-audio-amplifier";
+ sound-name-prefix = "AMPLIFIER";
+ enable-gpios = <&gpio GPIOF_4 GPIO_ACTIVE_HIGH>;
+ VCC-supply = <&battery_4v2>;
+ };
+
+ dmics: dmics {
+ compatible = "dmic-codec";
+ #sound-dai-cells = <0>;
+ sound-name-prefix = "MIC";
+ num-channels = <4>;
+ wakeup-delay-ms = <50>;
+ };
+
+ sound {
+ compatible = "amlogic,a1-sound-card",
+ "amlogic,axg-sound-card";
+ model = "AD402";
+ audio-aux-devs = <&tdmout_a>,
+ <&lifier>,
+ <&tdmin_lb>,
+ <&tdmin_a>;
+ audio-routing = "TDMOUT_A IN 0", "FRDDR_A OUT 0",
+ "TDM_A Playback", "TDMOUT_A OUT",
+ "AMPLIFIER INL", "ACODEC LOLP",
+ "AMPLIFIER INR", "ACODEC LORP",
+
+ "TODDR_A IN 4", "PDM Capture",
+
+ "TDMIN_A IN 3", "TDM_A Capture",
+ "TODDR_B IN 0", "TDMIN_A OUT",
+
+ "TDMIN_LB IN 0", "TDM_A Loopback",
+ "TODDR_A IN 6", "TDMIN_LB OUT",
+ "TDMIN_LB IN 0", "TDM_A Loopback",
+ "TODDR_B IN 6", "TDMIN_LB OUT";
+
+ dai-link-0 {
+ link-name = "speaker";
+ sound-dai = <&frddr_a>;
+ };
+
+ dai-link-1 {
+ link-name = "dmics";
+ sound-dai = <&toddr_a>;
+ };
+
+ dai-link-2 {
+ link-name = "amics";
+ sound-dai = <&toddr_b>;
+ };
+
+ dai-link-3 {
+ sound-dai = <&tdmif_a>;
+ dai-format = "i2s";
+ dai-tdm-slot-tx-mask-0 = <1 1>;
+ dai-tdm-slot-rx-mask-0 = <1 1>;
+ mclk-fs = <256>;
+
+ codec-0 {
+ sound-dai = <&toacodec TOACODEC_IN_A>;
+ };
+
+ codec-1 {
+ sound-dai = <&toacodec TOACODEC_CAPTURE_OUT_A>;
+ };
+ };
+
+ dai-link-4 {
+ sound-dai = <&toacodec TOACODEC_OUT>;
+
+ codec {
+ sound-dai = <&acodec>;
+ };
+ };
+
+ dai-link-5 {
+ sound-dai = <&toacodec TOACODEC_CAPTURE_IN>;
+
+ codec {
+ sound-dai = <&acodec>;
+ };
+ };
+
+ dai-link-6 {
+ sound-dai = <&pdm>;
+
+ codec {
+ sound-dai = <&dmics>;
+ };
+ };
+ };
};
/* Bluetooth HCI H4 */
@@ -145,3 +241,33 @@ &sd_emmc {
vmmc-supply = <&vddao_3v3>;
vqmmc-supply = <&vddio_1v8>;
};
+
+&clkc_audio {
+ assigned-clocks = <&clkc_pll CLKID_HIFI_PLL>,
+ <&clkc_audio AUD_CLKID_MST_A_MCLK_SEL>,
+ <&clkc_audio AUD_CLKID_MST_A_MCLK>,
+ <&clkc_audio AUD2_CLKID_PDM_SYSCLK_SEL>,
+ <&clkc_audio AUD2_CLKID_PDM_DCLK_SEL>;
+ assigned-clock-parents = <0>,
+ <&clkc_pll CLKID_HIFI_PLL>,
+ <0>,
+ <&clkc_pll CLKID_FCLK_DIV3>,
+ <&clkc_pll CLKID_FCLK_DIV2>;
+ assigned-clock-rates = <614400000>,
+ <0>,
+ <12288000>,
+ <512000000>,
+ <768000000>;
+};
+
+&acodec {
+ AVDD-supply = <&vddio_1v8>;
+};
+
+&pdm {
+ sysrate = <256000000>;
+ pinctrl-0 = <&pdm_din0_a_pins>,
+ <&pdm_din1_a_pins>,
+ <&pdm_dclk_a_pins>;
+ pinctrl-names = "default";
+};
* playback to speaker - setup: $ amixer set "FRDDR_A SINK 1 SEL" "OUT 0" $ amixer set "FRDDR_A SRC 1 EN" "on" $ amixer set "TDMOUT_A SRC SEL" "IN 0" $ amixer set "TOACODEC Source" "I2S A" $ amixer set "TOACODEC Lane Select" "0" $ amixer set "TOACODEC EN" "on" $ amixer set "ACODEC" "70%" $ amixer set "ACODEC Playback Channel Mode" "Mono" $ amixer set "ACODEC Right+ Driver Sel" "Right DAC" $ amixer set "ACODEC Left+ Driver Sel" "Right DAC Inverted" - usage: $ aplay -D hw:0,0 -f S16_LE -r 48000 /path/to/sample.wav * capture from digital mics - setup: $ amixer set "TODDR_A SRC SEL" "IN 4" - usage: $ arecord -D hw:0,1 -f S32_LE -r 48000 -c 2 -t wav /path/to/sample.wav * capture from analog mics - setup: $ amixer set "TDMIN_A SRC SEL" "IN 3" $ amixer set "TODDR_B SRC SEL" "IN 0" $ amixer set "TOACODEC Source" "I2S A" $ amixer set "TOACODEC Lane Select" "0" $ amixer set "TOACODEC EN" "on" $ amixer set "ACODEC ADC" "70%" $ amixer set "ACODEC ADC Filter" "on" $ amixer set "ACODEC ADC Filter Mode" "HiFi" $ amixer set "ACODEC ADC Mic Bias" "on" $ amixer set "ACODEC ADC Mic Bias Level" "2.5V" $ amixer set "ACODEC ADC PGA" "50%" $ amixer set "ACODEC ADC PGA Right Sel" "Differential" $ amixer set "ACODEC ADC PGA Left Sel" "Differential" - usage: $ arecord -D hw:0,2 -f S16_LE -r 48000 -c 2 -t wav /path/to/sample.wav * capture from TDM loopback - setup: $ amixer set "TDMIN_LB SRC SEL" "IN 0" $ amixer set "TODDR_A SRC SEL" "IN 6" - usage: $ arecord -D hw:0,1 -f S16_LE -r 48000 -c 2 -t wav /path/to/sample.wav or - setup: $ amixer set "TDMIN_LB SRC SEL" "IN 0" $ amixer set "TODDR_B SRC SEL" "IN 6" - usage: $ arecord -D hw:0,2 -f S16_LE -r 48000 -c 2 -t wav /path/to/sample.wav Signed-off-by: Jan Dakinevich <jan.dakinevich@salutedevices.com> Signed-off-by: Dmitry Rokosov <ddrokosov@salutedevices.com> --- .../arm64/boot/dts/amlogic/meson-a1-ad402.dts | 126 ++++++++++++++++++ 1 file changed, 126 insertions(+)