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Message-ID: <20240314232201.2102178-26-jan.dakinevich@salutedevices.com>
Date: Fri, 15 Mar 2024 02:22:01 +0300
From: Jan Dakinevich <jan.dakinevich@...utedevices.com>
To: Jan Dakinevich <jan.dakinevich@...utedevices.com>, Neil Armstrong
	<neil.armstrong@...aro.org>, Jerome Brunet <jbrunet@...libre.com>, Michael
 Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Rob
 Herring <robh@...nel.org>, Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>, Kevin Hilman <khilman@...libre.com>,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>, Liam Girdwood
	<lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, Linus Walleij
	<linus.walleij@...aro.org>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai
	<tiwai@...e.com>, <linux-amlogic@...ts.infradead.org>,
	<linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<alsa-devel@...a-project.org>, <linux-sound@...r.kernel.org>,
	<linux-gpio@...r.kernel.org>
CC: <kernel@...utedevices.com>, Dmitry Rokosov <ddrokosov@...utedevices.com>
Subject: [PATCH 25/25] arm64: dts: ad402: enable audio

 * 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@...utedevices.com>
Signed-off-by: Dmitry Rokosov <ddrokosov@...utedevices.com>
---
 .../arm64/boot/dts/amlogic/meson-a1-ad402.dts | 126 ++++++++++++++++++
 1 file changed, 126 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts b/arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts
index 4bc30af05848..4e0865a4b44e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts
@@ -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>,
+				 <&amplifier>,
+				 <&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";
+};
-- 
2.34.1

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