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* [PATCH] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Add Audio Codec
@ 2024-04-04 18:42 Garrett Giordano
  2024-04-09 17:10 ` Wadim Egorov
  2024-04-26 22:38 ` Nishanth Menon
  0 siblings, 2 replies; 3+ messages in thread
From: Garrett Giordano @ 2024-04-04 18:42 UTC (permalink / raw)
  To: nm, vigneshr, kristo, robh, krzysztof.kozlowski+dt, conor+dt,
	w.egorov
  Cc: linux-arm-kernel, devicetree, linux-kernel, upstream

The Audio Codec runs over the MCASP (Multichannel Audio Serial Port).

Add pinmux for the Audio Reference Clock and MCASP2.

Add DT nodes for Audio Codec, MCASP2, VCC 1v8 and VCC 3v3 regulators.

Additionally, create a sound node that connects our sound card and the
MCASP2.

Signed-off-by: Garrett Giordano <ggiordano@phytec.com>
---
 .../dts/ti/k3-am625-phyboard-lyra-rdk.dts     | 99 +++++++++++++++++++
 1 file changed, 99 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
index a83a90497857..dfc78995d30a 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
@@ -66,6 +66,35 @@ key-menu {
 		};
 	};
 
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "phyBOARD-Lyra";
+		simple-audio-card,widgets =
+			"Microphone",           "Mic Jack",
+			"Headphone",            "Headphone Jack",
+			"Speaker",              "External Speaker";
+		simple-audio-card,routing =
+			"MIC3R",                "Mic Jack",
+			"Mic Jack",             "Mic Bias",
+			"Headphone Jack",       "HPLOUT",
+			"Headphone Jack",       "HPROUT",
+			"External Speaker",     "SPOP",
+			"External Speaker",     "SPOM";
+		simple-audio-card,format = "dsp_b";
+		simple-audio-card,bitclock-master = <&sound_master>;
+		simple-audio-card,frame-master = <&sound_master>;
+		simple-audio-card,bitclock-inversion;
+
+		simple-audio-card,cpu {
+			sound-dai = <&mcasp2>;
+		};
+
+		sound_master: simple-audio-card,codec {
+				sound-dai = <&audio_codec>;
+				clocks = <&audio_refclk1>;
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
@@ -82,6 +111,15 @@ led-2 {
 		};
 	};
 
+	vcc_1v8: regulator-vcc-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_1V8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
 	vcc_3v3_mmc: regulator-vcc-3v3-mmc {
 		compatible = "regulator-fixed";
 		regulator-name = "VCC_3V3_MMC";
@@ -90,9 +128,24 @@ vcc_3v3_mmc: regulator-vcc-3v3-mmc {
 		regulator-always-on;
 		regulator-boot-on;
 	};
+
+	vcc_3v3_sw: regulator-vcc-3v3-sw {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_3V3_SW";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
 };
 
 &main_pmx0 {
+	audio_ext_refclk1_pins_default: audio-ext-refclk1-default-pins {
+		pinctrl-single,pins = <
+			AM62X_IOPAD(0x0a0, PIN_OUTPUT, 1) /* (K25) GPMC0_WPn.AUDIO_EXT_REFCLK1 */
+		>;
+	};
+
 	gpio_keys_pins_default: gpio-keys-default-pins {
 		pinctrl-single,pins = <
 			AM62X_IOPAD(0x1d4, PIN_INPUT, 7) /* (B15) UART0_RTSn.GPIO1_23 */
@@ -150,6 +203,15 @@ AM62X_IOPAD(0x1d8, PIN_OUTPUT, 0) /* (C15) MCAN0_TX */
 		>;
 	};
 
+	main_mcasp2_pins_default: main-mcasp2-default-pins {
+		pinctrl-single,pins = <
+			AM62X_IOPAD(0x070, PIN_INPUT, 3) /* (T24) GPMC0_AD13.MCASP2_ACLKX */
+			AM62X_IOPAD(0x06c, PIN_INPUT, 3) /* (T22) GPMC0_AD12.MCASP2_AFSX */
+			AM62X_IOPAD(0x064, PIN_OUTPUT, 3) /* (T25) GPMC0_AD10.MCASP2_AXR2 */
+			AM62X_IOPAD(0x068, PIN_INPUT, 3) /* (R21) GPMC0_AD11.MCASP2_AXR3 */
+		>;
+	};
+
 	main_mmc1_pins_default: main-mmc1-default-pins {
 		pinctrl-single,pins = <
 			AM62X_IOPAD(0x23c, PIN_INPUT_PULLUP, 0) /* (A21) MMC1_CMD */
@@ -254,6 +316,21 @@ &main_i2c1 {
 	clock-frequency = <100000>;
 	status = "okay";
 
+	audio_codec: audio-codec@18 {
+		pinctrl-names = "default";
+		pinctrl-0 = <&audio_ext_refclk1_pins_default>;
+
+		#sound-dai-cells = <0>;
+		compatible = "ti,tlv320aic3007";
+		reg = <0x18>;
+		ai3x-micbias-vg = <2>;
+
+		AVDD-supply = <&vcc_3v3_sw>;
+		IOVDD-supply = <&vcc_3v3_sw>;
+		DRVDD-supply = <&vcc_3v3_sw>;
+		DVDD-supply = <&vcc_1v8>;
+	};
+
 	gpio_exp: gpio-expander@21 {
 		pinctrl-names = "default";
 		pinctrl-0 = <&gpio_exp_int_pins_default>;
@@ -329,6 +406,28 @@ &main_uart1 {
 	status = "okay";
 };
 
+&mcasp2 {
+	status = "okay";
+	#sound-dai-cells = <0>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_mcasp2_pins_default>;
+
+	/* MCASP_IIS_MODE */
+	op-mode = <0>;
+	tdm-slots = <2>;
+
+	/* 0: INACTIVE, 1: TX, 2: RX */
+	serial-dir = <
+			0 0 1 2
+			0 0 0 0
+			0 0 0 0
+			0 0 0 0
+	>;
+	tx-num-evt = <32>;
+	rx-num-evt = <32>;
+};
+
 &sdhci1 {
 	vmmc-supply = <&vcc_3v3_mmc>;
 	vqmmc-supply = <&vddshv5_sdio>;
-- 
2.25.1


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2024-04-04 18:42 [PATCH] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Add Audio Codec Garrett Giordano
2024-04-09 17:10 ` Wadim Egorov
2024-04-26 22:38 ` Nishanth Menon

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