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charset="utf-8" Enable the Texas Instruments PCM6240 4-channel audio ADC driver as a loadable module. The PCM6240 provides multi-channel audio recording capabilities and is used on the AM62D2-EVM for professional audio input applications. The driver supports up to 4-channel audio input with integrated microphone bias, boost, and input diagnostics features through I2C interface. Signed-off-by: Paresh Bhagat --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index b67d5b1fc45b..35a36496a603 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -1147,6 +1147,7 @@ CONFIG_SND_SOC_GTM601=3Dm CONFIG_SND_SOC_MSM8916_WCD_ANALOG=3Dm CONFIG_SND_SOC_MSM8916_WCD_DIGITAL=3Dm CONFIG_SND_SOC_PCM3168A_I2C=3Dm +CONFIG_SND_SOC_PCM6240=3Dm CONFIG_SND_SOC_RK3308=3Dm CONFIG_SND_SOC_RK817=3Dm CONFIG_SND_SOC_RT5640=3Dm --=20 2.34.1 From nobody Thu Apr 2 22:24:27 2026 Received: from CH1PR05CU001.outbound.protection.outlook.com (mail-northcentralusazon11010011.outbound.protection.outlook.com [52.101.193.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E80630BB81; Sat, 14 Feb 2026 08:24:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.193.11 ARC-Seal: i=2; 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charset="utf-8" From: Vishnu Singh Enable multi-channel audio record functionality for AM62D2-EVM with PCM6240 ADC enablement, McASP2 interface, and corresponding pin multiplexing. Audio recording for AM62D2-EVM is managed by 2 PCM6240 ADC devices with each supporting 4 channel audio input with selectable profiles for different I2C addresses. These are connected through McASP2 and AXR14 serializer. Tech Ref Manual-https://www.ti.com/lit/pdf/sprujd4 Schematics Link-https://www.ti.com/lit/zip/sprcal5 Signed-off-by: Vishnu Singh Signed-off-by: Sen Wang Signed-off-by: Paresh Bhagat --- arch/arm64/boot/dts/ti/k3-am62d2-evm.dts | 63 ++++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts b/arch/arm64/boot/dts= /ti/k3-am62d2-evm.dts index a5d5dc0a7bec..156fca927164 100644 --- a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts @@ -181,6 +181,29 @@ vddshv_sdio: regulator-6 { bootph-all; }; =20 + codec_audio: sound { + compatible =3D "simple-audio-card"; + simple-audio-card,name =3D "AM62D2-EVM"; + #address-cells =3D <1>; + #size-cells =3D <0>; + + simple-audio-card,dai-link@0 { + reg =3D <0>; + format =3D "dsp_a"; + bitclock-master =3D <&master0>; + frame-master =3D <&master0>; + + master0: cpu { + sound-dai =3D <&mcasp2>; + system-clock-direction-out; + }; + + codec { + sound-dai =3D <&pcm6240>; + }; + }; + }; + leds { compatible =3D "gpio-leds"; pinctrl-names =3D "default"; @@ -337,6 +360,20 @@ AM62DX_IOPAD(0x0164, PIN_OUTPUT, 0) /* (Y19) RGMII2_TX= _CTL */ bootph-all; }; =20 + main_mcasp2_pins_default: main-mcasp2-default-pins { + pinctrl-single,pins =3D < + AM62DX_IOPAD(0x0078, PIN_INPUT, 3) /* (T21) GPMC0_AD15.MCASP2_ACLKR */ + AM62DX_IOPAD(0x0070, PIN_INPUT, 3) /* (R21) GPMC0_AD13.MCASP2_ACLKX */ + AM62DX_IOPAD(0x0074, PIN_INPUT, 3) /* (T20) GPMC0_AD14.MCASP2_AFSR */ + AM62DX_IOPAD(0x006c, PIN_INPUT, 3) /* (T22) GPMC0_AD12.MCASP2_AFSX */ + AM62DX_IOPAD(0x005c, PIN_INPUT, 3) /* (P22) GPMC0_AD8.MCASP2_AXR0 */ + AM62DX_IOPAD(0x0060, PIN_INPUT, 3) /* (R19) GPMC0_AD9.MCASP2_AXR1 */ + AM62DX_IOPAD(0x0068, PIN_INPUT, 3) /* (R22) GPMC0_AD11.MCASP2_AXR3 */ + AM62DX_IOPAD(0x003c, PIN_INPUT, 3) /* (N21) GPMC0_AD0.MCASP2_AXR4 */ + AM62DX_IOPAD(0x00a8, PIN_INPUT, 3) /* (M19) GPMC0_CSn0.MCASP2_AXR14 */ + >; + }; + main_gpio1_ioexp_intr_pins_default: main-gpio1-ioexp-intr-default-pins { pinctrl-single,pins =3D < AM62DX_IOPAD(0x01d4, PIN_INPUT, 7) /* (C15) UART0_RTSn.GPIO1_23 */ @@ -453,6 +490,12 @@ exp2: gpio@20 { "CPLD2_TDO", "ADDR1_IO_EXP", "SoC_I2C0_SCL", "SoC_I2C0_SDA"; }; + + pcm6240: adc@48 { + compatible =3D "ti,pcm6240"; + reg =3D <0x48>, <0x49>; + #sound-dai-cells =3D <0>; + }; }; =20 &main_i2c1 { @@ -469,6 +512,26 @@ &main_i2c2 { status =3D "okay"; }; =20 +&mcasp2 { + status =3D "okay"; + #sound-dai-cells =3D <0>; + + pinctrl-names =3D "default"; + pinctrl-0 =3D <&main_mcasp2_pins_default>; + + auxclk-fs-ratio =3D <2177>; + op-mode =3D <0>; /* MCASP_IIS_MODE */ + tdm-slots =3D <2>; + tdm-slots-rx =3D <8>; + ti,async-mode; + serial-dir =3D < + 0 0 0 0 + 0 0 0 0 + 0 0 0 0 + 0 0 2 0 + >; +}; + &wkup_i2c0 { pinctrl-names =3D "default"; pinctrl-0 =3D <&wkup_i2c0_pins_default>; --=20 2.34.1