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SubjectRe: [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@ti.com>
> ---
> 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@ti.com>

> + };
> };
>
> &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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