Re: [PATCH v5 6/6] arm64: dts: ti: k3-am62a7-sk: Enable audio on AM62A

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On 13/03/23 20:19, Jai Luthra wrote:
Add nodes for audio codec and sound card, enable the audio serializer
(McASP1) under use and update pinmux.

Signed-off-by: Jai Luthra <j-luthra@xxxxxx>
---
  arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 77 +++++++++++++++++++++++++++++++++
  1 file changed, 77 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index 063e69e45163..1775ed154aff 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -122,6 +122,41 @@ led-0 {
  			default-state = "off";
  		};
  	};
+
+	tlv320_mclk: clk-0 {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <12288000>;
+	};
+
+	codec_audio: sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "AM62Ax-SKEVM";
+		simple-audio-card,widgets =
+			"Headphone",	"Headphone Jack",
+			"Line",	"Line In",
+			"Microphone",	"Microphone Jack";
+		simple-audio-card,routing =
+			"Headphone Jack",	"HPLOUT",
+			"Headphone Jack",	"HPROUT",
+			"LINE1L",		"Line In",
+			"LINE1R",		"Line In",
+			"MIC3R",		"Microphone Jack",
+			"Microphone Jack",	"Mic Bias";
+		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 = <&mcasp1>;
+		};
+
+		sound_master: simple-audio-card,codec {
+			sound-dai = <&tlv320aic3106>;
+			clocks = <&tlv320_mclk>;
+		};
+	};
  };
&main_pmx0 {
@@ -200,6 +235,15 @@ AM62AX_IOPAD(0x130, PIN_INPUT, 0) /* (AB17) RGMII1_TXC */
  			AM62AX_IOPAD(0x12c, PIN_INPUT, 0) /* (W16) RGMII1_TX_CTL */
  		>;
  	};
+
+	main_mcasp1_pins_default: main-mcasp1-pins-default {
+		pinctrl-single,pins = <
+			AM62AX_IOPAD(0x090, PIN_INPUT, 2) /* (L19) GPMC0_BE0n_CLE.MCASP1_ACLKX */
+			AM62AX_IOPAD(0x098, PIN_INPUT, 2) /* (R18) GPMC0_WAIT0.MCASP1_AFSX */
+			AM62AX_IOPAD(0x08c, PIN_OUTPUT, 2) /* (K19) GPMC0_WEn.MCASP1_AXR0 */
+			AM62AX_IOPAD(0x084, PIN_INPUT, 2) /* (L18) GPMC0_ADVn_ALE.MCASP1_AXR2 */
+		>;
+	};
  };
&main_i2c0 {
@@ -234,6 +278,19 @@ exp1: gpio@22 {
  				   "MCASP1_FET_SEL", "UART1_FET_SEL",
  				   "PD_I2C_IRQ", "IO_EXP_TEST_LED";
  	};
+
+	tlv320aic3106: audio-codec@1b {
+		#sound-dai-cells = <0>;
+		compatible = "ti,tlv320aic3106";
+		reg = <0x1b>;
+		ai3x-micbias-vg = <1>;		/* 2.0V */
+		status = "okay";

No need for status property here I guess????

+
+		/* Regulators */
+		AVDD-supply = <&vcc_3v3_sys>;
+		IOVDD-supply = <&vcc_3v3_sys>;
+		DRVDD-supply = <&vcc_3v3_sys>;

DVDD 1.8V supply here looks missing???

Reviewed-by: Jayesh Choudhary <j-choudhary@xxxxxx>

+	};
  };
&sdhci1 {
@@ -302,3 +359,23 @@ cpsw3g_phy0: ethernet-phy@0 {
  		ti,min-output-impedance;
  	};
  };
+
+&mcasp1 {
+	status = "okay";
+	#sound-dai-cells = <0>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_mcasp1_pins_default>;
+
+	op-mode = <0>;          /* MCASP_IIS_MODE */
+	tdm-slots = <2>;
+
+	serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
+	       1 0 2 0
+	       0 0 0 0
+	       0 0 0 0
+	       0 0 0 0
+	>;
+	tx-num-evt = <32>;
+	rx-num-evt = <32>;
+};




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