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Message-ID: <20230328133225.edi4eynptt5e4oul@headset>
Date: Tue, 28 Mar 2023 08:32:25 -0500
From: Nishanth Menon <nm@...com>
To: Jai Luthra <j-luthra@...com>
CC: Vignesh Raghavendra <vigneshr@...com>,
Tero Kristo <kristo@...nel.org>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
Aradhya Bhatia <a-bhatia1@...com>,
Devarsh Thakkar <devarsht@...com>,
Jayesh Choudhary <j-choudhary@...com>,
Andrew Davis <afd@...com>
Subject: Re: [PATCH v8 3/6] arm64: dts: ti: k3-am625-sk: Enable audio on AM62
SK
On 18:59-20230328, Jai Luthra wrote:
> Add nodes for audio codec and sound card, enable the audio serializer
> (McASP1) under use from SK-AM62 E2 [1] onwards and update pinmux.
>
> Keep all audio related nodes in the common dtsi as they are exactly the
> same between SK-AM62 and SK-AM62-LP.
>
> Link: https://www.ti.com/lit/zip/sprr448 [1]
> Signed-off-by: Jai Luthra <j-luthra@...com>
> Reviewed-by: Jayesh Choudhary <j-choudhary@...com>
> ---
> arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts | 11 ++++
> arch/arm64/boot/dts/ti/k3-am625-sk.dts | 11 ++++
> arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 77 ++++++++++++++++++++++++++
> 3 files changed, 99 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
> index b2ca19e3042e..5ed6b1abe87d 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
> @@ -70,6 +70,17 @@ vddshv_sdio: regulator-4 {
> states = <1800000 0x0>,
> <3300000 0x1>;
> };
> +
> + vcc_1v8: regulator-5 {
> + /* output of TPS62824DMQ */
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_1v8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + vin-supply = <&vcc_3v3_sys>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> };
>
> &main_pmx0 {
> diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> index cdc0858dd1b2..2b861681e548 100644
> --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> @@ -87,6 +87,17 @@ vdd_sd_dv: regulator-4 {
> states = <1800000 0x0>,
> <3300000 0x1>;
> };
> +
> + vcc_1v8: regulator-5 {
> + /* output of TPS6282518DMQ */
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_1v8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + vin-supply = <&vcc_3v3_sys>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> };
If the regulators are common, maybe we should first move the regulators
to common dtsi?
>
> &main_pmx0 {
> diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> index 54318a07d50c..2500cb9ba323 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> @@ -81,6 +81,41 @@ 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 = "AM62x-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 {
> @@ -175,6 +210,15 @@ main_usb1_pins_default: main-usb1-pins-default {
> AM62X_IOPAD(0x0258, PIN_OUTPUT, 0) /* (F18/E16) USB1_DRVVBUS */
> >;
> };
> +
> + main_mcasp1_pins_default: main-mcasp1-pins-default {
> + pinctrl-single,pins = <
> + AM62X_IOPAD(0x090, PIN_INPUT, 2) /* (M24) GPMC0_BE0N_CLE.MCASP1_ACLKX */
> + AM62X_IOPAD(0x098, PIN_INPUT, 2) /* (U23) GPMC0_WAIT0.MCASP1_AFSX */
> + AM62X_IOPAD(0x08c, PIN_OUTPUT, 2) /* (L25) GPMC0_WEN.MCASP1_AXR0 */
> + AM62X_IOPAD(0x084, PIN_INPUT, 2) /* (L23) GPMC0_ADVN_ALE.MCASP1_AXR2 */
> + >;
> + };
> };
>
> &wkup_uart0 {
> @@ -205,6 +249,19 @@ &main_i2c1 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_i2c1_pins_default>;
> clock-frequency = <400000>;
> +
> + tlv320aic3106: audio-codec@1b {
> + #sound-dai-cells = <0>;
> + compatible = "ti,tlv320aic3106";
> + reg = <0x1b>;
> + ai3x-micbias-vg = <1>; /* 2.0V */
> +
> + /* Regulators */
> + AVDD-supply = <&vcc_3v3_sys>;
> + IOVDD-supply = <&vcc_3v3_sys>;
> + DRVDD-supply = <&vcc_3v3_sys>;
> + DVDD-supply = <&vcc_1v8>;
> + };
> };
>
> &sdhci0 {
> @@ -272,3 +329,23 @@ &usb1 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_usb1_pins_default>;
> };
> +
> +&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>;
> +};
>
> --
> 2.40.0
>
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
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