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SubjectRe: [PATCH] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Add Audio Codec
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Am 04.04.24 um 20:42 schrieb Garrett Giordano:
> 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>


Reviewed-by: Wadim Egorov <w.egorov@phytec.de>


> ---
> .../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>;

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