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charset="utf-8" Add audio device nodes, include SAI, MICFIL, ASRC, Audio Mixer. Signed-off-by: Shengjiu Wang --- arch/arm64/boot/dts/freescale/imx952.dtsi | 203 ++++++++++++++++++++++ 1 file changed, 203 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx952.dtsi b/arch/arm64/boot/dt= s/freescale/imx952.dtsi index 0f86b5626cdd..5e40f07dc10a 100644 --- a/arch/arm64/boot/dts/freescale/imx952.dtsi +++ b/arch/arm64/boot/dts/freescale/imx952.dtsi @@ -823,6 +823,160 @@ usdhc3: mmc@42c40000 { }; }; =20 + aips5: bus@43000000 { + compatible =3D "fsl,aips-bus", "simple-bus"; + reg =3D <0 0x43000000 0 0x800000>; + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges =3D <0x43000000 0x0 0x43000000 0x800000>; + + asrc1: asrc@43000000 { + compatible =3D "fsl,imx952-asrc"; + reg =3D <0x43000000 0x10000>; + interrupts =3D ; + clocks =3D <&scmi_clk IMX952_CLK_BUSWAKEUP>, + <&scmi_clk IMX952_CLK_BUSWAKEUP>, + <&scmi_clk IMX952_CLK_ASRC1>, + <&scmi_clk IMX952_CLK_ASRC2>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>; + clock-names =3D "mem", "ipg", + "asrck_0", "asrck_1", "asrck_2", "asrck_3", + "asrck_4", "asrck_5", "asrck_6", "asrck_7", + "asrck_8", "asrck_9", "asrck_a", "asrck_b", + "asrck_c", "asrck_d", "asrck_e", "asrck_f", + "spba"; + dmas =3D <&edma2 97 0 0>, <&edma2 98 0 0>, <&edma2 99 0 0>, + <&edma2 100 0 FSL_EDMA_RX>, <&edma2 101 0 FSL_EDMA_RX>, + <&edma2 102 0 FSL_EDMA_RX>; + /* tx* is output channel of asrc, it is rx channel for eDMA */ + dma-names =3D "rxa", "rxb", "rxc", + "txa", "txb", "txc"; + #sound-dai-cells =3D <0>; + fsl,asrc-rate =3D <8000>; + fsl,asrc-width =3D <16>; + status =3D "disabled"; + }; + + asrc2: asrc@430f0000 { + compatible =3D "fsl,imx952-asrc"; + reg =3D <0x430f0000 0x10000>; + interrupts =3D ; + clocks =3D <&scmi_clk IMX952_CLK_BUSWAKEUP>, + <&scmi_clk IMX952_CLK_BUSWAKEUP>, + <&scmi_clk IMX952_CLK_ASRC1>, + <&scmi_clk IMX952_CLK_ASRC2>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>, + <&clk_dummy>; + clock-names =3D "mem", "ipg", + "asrck_0", "asrck_1", "asrck_2", "asrck_3", + "asrck_4", "asrck_5", "asrck_6", "asrck_7", + "asrck_8", "asrck_9", "asrck_a", "asrck_b", + "asrck_c", "asrck_d", "asrck_e", "asrck_f", + "spba"; + dmas =3D <&edma2 103 0 0>, <&edma2 104 0 0>, <&edma2 105 0 0>, + <&edma2 106 0 FSL_EDMA_RX>, <&edma2 107 0 FSL_EDMA_RX>, + <&edma2 108 0 FSL_EDMA_RX>; + /* tx* is output channel of asrc, it is rx channel for eDMA */ + dma-names =3D "rxa", "rxb", "rxc", + "txa", "txb", "txc"; + #sound-dai-cells =3D <0>; + fsl,asrc-rate =3D <8000>; + fsl,asrc-width =3D <16>; + status =3D "disabled"; + }; + + amix: amix@431f0000 { + compatible =3D "fsl,imx952-audmix"; + reg =3D <0x431f0000 0x10000>; + clocks =3D <&scmi_clk IMX952_CLK_AUDMIX1>; + clock-names =3D "ipg"; + status =3D "disabled"; + }; + + sai3: sai@433e0000 { + compatible =3D "fsl,imx952-sai", "fsl,imx95-sai"; + reg =3D <0x433e0000 0x10000>; + interrupts =3D ; + clocks =3D <&scmi_clk IMX952_CLK_BUSWAKEUP>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI3>, <&clk_dummy>, + <&clk_dummy>; + clock-names =3D "bus", "mclk0", "mclk1", "mclk2", "mclk3"; + dmas =3D <&edma2 61 0 FSL_EDMA_RX>, <&edma2 60 0 0>; + dma-names =3D "rx", "tx"; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + + sai4: sai@433f0000 { + compatible =3D "fsl,imx952-sai", "fsl,imx95-sai"; + reg =3D <0x433f0000 0x10000>; + interrupts =3D ; + clocks =3D <&scmi_clk IMX952_CLK_BUSWAKEUP>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI4>, <&clk_dummy>, + <&clk_dummy>; + clock-names =3D "bus", "mclk0", "mclk1", "mclk2", "mclk3"; + dmas =3D <&edma2 68 0 FSL_EDMA_RX>, <&edma2 67 0 0>; + dma-names =3D "rx", "tx"; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + + sai5: sai@43400000 { + compatible =3D "fsl,imx952-sai", "fsl,imx95-sai"; + reg =3D <0x43400000 0x10000>; + interrupts =3D ; + clocks =3D <&scmi_clk IMX952_CLK_BUSWAKEUP>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI5>, <&clk_dummy>, + <&clk_dummy>; + clock-names =3D "bus", "mclk0", "mclk1", "mclk2", "mclk3"; + dmas =3D <&edma2 70 0 FSL_EDMA_RX>, <&edma2 69 0 0>; + dma-names =3D "rx", "tx"; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + + sai6: sai@43410000 { + compatible =3D "fsl,imx952-sai", "fsl,imx95-sai"; + reg =3D <0x43410000 0x10000>; + interrupts =3D ; + clocks =3D <&scmi_clk IMX952_CLK_BUSWAKEUP>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI3>, <&clk_dummy>, + <&clk_dummy>; + clock-names =3D "bus", "mclk0", "mclk1", "mclk2", "mclk3"; + dmas =3D <&edma2 96 0 FSL_EDMA_RX>, <&edma2 95 0 0>; + dma-names =3D "rx", "tx"; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + }; + gpio2: gpio@43810000 { compatible =3D "fsl,imx95-gpio", "fsl,imx8ulp-gpio"; reg =3D <0x0 0x43810000 0x0 0x1000>; @@ -1062,6 +1216,40 @@ flexcan1: can@443a0000 { status =3D "disabled"; }; =20 + sai1: sai@443b0000 { + compatible =3D "fsl,imx952-sai", "fsl,imx95-sai"; + reg =3D <0x443b0000 0x10000>; + interrupts =3D ; + clocks =3D <&scmi_clk IMX952_CLK_BUSAON>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI1>, <&clk_dummy>, + <&clk_dummy>; + clock-names =3D "bus", "mclk0", "mclk1", "mclk2", "mclk3"; + dmas =3D <&edma1 25 0 FSL_EDMA_RX>, <&edma1 24 0 0>; + dma-names =3D "rx", "tx"; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + + micfil: micfil@44520000 { + compatible =3D "fsl,imx943-micfil"; + reg =3D <0x44520000 0x10000>; + interrupts =3D , + , + , + ; + clocks =3D <&scmi_clk IMX952_CLK_BUSAON>, + <&scmi_clk IMX952_CLK_PDM>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&clk_dummy>; + clock-names =3D "ipg_clk", "ipg_clk_app", + "pll8k", "pll11k", "clkext3"; + dmas =3D <&edma1 6 0 (FSL_EDMA_MULTI_FIFO | FSL_EDMA_RX)>; + dma-names =3D "rx"; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + adc1: adc@44530000 { compatible =3D "nxp,imx93-adc"; reg =3D <0x44530000 0x10000>; @@ -1281,5 +1469,20 @@ usbmisc2: usbmisc@4c200200 { reg =3D <0x0 0x4c200200 0x0 0x200>, <0x0 0x4c010014 0x0 0x4>; }; + + sai2: sai@4c880000 { + compatible =3D "fsl,imx952-sai", "fsl,imx95-sai"; + reg =3D <0x0 0x4c880000 0x0 0x10000>; + interrupts =3D ; + clocks =3D <&scmi_clk IMX952_CLK_BUSNETCMIX>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI2>, <&clk_dummy>, + <&clk_dummy>; 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Mon, 16 Mar 2026 02:09:34 +0000 Received: from AM0PR04MB7044.eurprd04.prod.outlook.com ([fe80::bab2:d15c:fcf8:ef2b]) by AM0PR04MB7044.eurprd04.prod.outlook.com ([fe80::bab2:d15c:fcf8:ef2b%4]) with mapi id 15.20.9700.022; Mon, 16 Mar 2026 02:10:01 +0000 From: Shengjiu Wang To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support Date: Mon, 16 Mar 2026 10:14:37 +0800 Message-Id: <20260316021439.2971610-3-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260316021439.2971610-1-shengjiu.wang@nxp.com> References: <20260316021439.2971610-1-shengjiu.wang@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: MA5P287CA0043.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:175::6) To AM0PR04MB7044.eurprd04.prod.outlook.com (2603:10a6:208:191::20) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM0PR04MB7044:EE_|PA4PR04MB8047:EE_ X-MS-Office365-Filtering-Correlation-Id: 58d451ed-4e58-4b9d-be64-08de83012168 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|52116014|19092799006|1800799024|366016|56012099003|18002099003|22082099003|38350700014|921020; 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charset="utf-8" Add wm8962 sound card. By connecting with ASRC1, the sound card support sample rate conversion. ASRC2 is also enabled, which can provide memory to memory user interface. Signed-off-by: Shengjiu Wang Reviewed-by: Daniel Baluta --- arch/arm64/boot/dts/freescale/imx952-evk.dts | 119 +++++++++++++++++++ 1 file changed, 119 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot= /dts/freescale/imx952-evk.dts index 509704c23e89..ef0058b98573 100644 --- a/arch/arm64/boot/dts/freescale/imx952-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts @@ -110,6 +110,15 @@ reg_vref_1v8: regulator-adc-vref { regulator-max-microvolt =3D <1800000>; }; =20 + reg_audio_pwr: regulator-audio-pwr { + compatible =3D "regulator-fixed"; + regulator-name =3D "audio-pwr"; + regulator-max-microvolt =3D <3300000>; + regulator-min-microvolt =3D <3300000>; + gpio =3D <&i2c4_pcal6408 1 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_usdhc2_vmmc: regulator-usdhc2 { compatible =3D "regulator-fixed"; pinctrl-names =3D "default"; @@ -131,6 +140,51 @@ reg_usb_vbus: regulator-vbus { enable-active-high; }; =20 + sound-wm8962 { + compatible =3D "fsl,imx-audio-wm8962"; + audio-asrc =3D <&asrc1>; + audio-codec =3D <&wm8962>; + audio-cpu =3D <&sai3>; + audio-routing =3D "Headphone Jack", "HPOUTL", + "Headphone Jack", "HPOUTR", + "Ext Spk", "SPKOUTL", + "Ext Spk", "SPKOUTR", + "AMIC", "MICBIAS", + "IN3R", "AMIC", + "IN1R", "AMIC"; + hp-det-gpio =3D <&gpio2 11 GPIO_ACTIVE_HIGH>; + model =3D "wm8962-audio"; + pinctrl-0 =3D <&pinctrl_hp>; + pinctrl-names =3D "default"; + }; +}; + +&asrc1 { + assigned-clocks =3D <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_ASRC1>; + assigned-clock-parents =3D <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates =3D <3932160000>, <3612672000>, + <393216000>, <361267200>, <49152000>; + fsl,asrc-rate =3D <48000>; + status =3D "okay"; +}; + +&asrc2 { + assigned-clocks =3D <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_ASRC2>; + assigned-clock-parents =3D <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates =3D <3932160000>, <3612672000>, + <393216000>, <361267200>, <49152000>; + fsl,asrc-rate =3D <48000>; + status =3D "okay"; }; =20 /* pin conflict with PDM */ @@ -185,6 +239,27 @@ &lpi2c4 { pinctrl-0 =3D <&pinctrl_lpi2c4>; status =3D "okay"; =20 + wm8962: audio-codec@1a { + compatible =3D "wlf,wm8962"; + reg =3D <0x1a>; + clocks =3D <&scmi_clk IMX952_CLK_SAI3>; + AVDD-supply =3D <®_audio_pwr>; + CPVDD-supply =3D <®_audio_pwr>; + DBVDD-supply =3D <®_audio_pwr>; + DCVDD-supply =3D <®_audio_pwr>; + gpio-cfg =3D < 0x0000 /* 0:Default */ + 0x0000 /* 1:Default */ + 0x0000 /* 2:FN_DMICCLK */ + 0x0000 /* 3:Default */ + 0x0000 /* 4:FN_DMICCDAT */ + 0x0000 /* 5:Default */ + >; + MICVDD-supply =3D <®_audio_pwr>; + PLLVDD-supply =3D <®_audio_pwr>; + SPKVDD1-supply =3D <®_audio_pwr>; + SPKVDD2-supply =3D <®_audio_pwr>; + }; + i2c4_pcal6408: gpio@21 { compatible =3D "nxp,pcal6408"; reg =3D <0x21>; @@ -312,6 +387,24 @@ &lpspi7 { status =3D "okay"; }; =20 +&sai3 { + assigned-clocks =3D <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_SAI3>; + assigned-clock-parents =3D <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates =3D <3932160000>, <3612672000>, + <393216000>, <361267200>, <12288000>; + pinctrl-0 =3D <&pinctrl_sai3>; + pinctrl-1 =3D <&pinctrl_sai3_sleep>; + pinctrl-names =3D "default", "sleep"; + fsl,sai-amix-mode =3D "bypass"; + fsl,sai-mclk-direction-output; + status =3D "okay"; +}; + &scmi_misc { nxp,ctrl-ids =3D ; }; =20 + pinctrl_hp: hpgrp { + fsl,pins =3D < + IMX952_PAD_GPIO_IO11__WAKEUPMIX_TOP_GPIO2_IO_11 0x31e + >; + }; + pinctrl_lpi2c2: lpi2c2grp { fsl,pins =3D < IMX952_PAD_I2C2_SCL__AONMIX_TOP_LPI2C2_SCL 0x40000b9e @@ -476,6 +575,26 @@ IMX952_PAD_SD2_RESET_B__WAKEUPMIX_TOP_GPIO3_IO_7 0x31e >; }; =20 + pinctrl_sai3: sai3grp { + fsl,pins =3D < + IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_SAI3_MCLK 0x31e + IMX952_PAD_GPIO_IO16__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXBCLK 0x31e + IMX952_PAD_GPIO_IO26__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXSYNC 0x31e + IMX952_PAD_GPIO_IO20__WAKEUPMIX_TOP_SAI3_RX_DATA_0 0x31e + IMX952_PAD_GPIO_IO21__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXDATA 0x31e + >; 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Mon, 16 Mar 2026 02:09:38 +0000 Received: from AM0PR04MB7044.eurprd04.prod.outlook.com ([fe80::bab2:d15c:fcf8:ef2b]) by AM0PR04MB7044.eurprd04.prod.outlook.com ([fe80::bab2:d15c:fcf8:ef2b%4]) with mapi id 15.20.9700.022; Mon, 16 Mar 2026 02:10:05 +0000 From: Shengjiu Wang To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/4] arm64: dts: imx952-evk: Add bt-sco sound card support Date: Mon, 16 Mar 2026 10:14:38 +0800 Message-Id: <20260316021439.2971610-4-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260316021439.2971610-1-shengjiu.wang@nxp.com> References: <20260316021439.2971610-1-shengjiu.wang@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: MA5P287CA0043.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:175::6) To AM0PR04MB7044.eurprd04.prod.outlook.com (2603:10a6:208:191::20) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM0PR04MB7044:EE_|PA4PR04MB8047:EE_ X-MS-Office365-Filtering-Correlation-Id: e8881116-5f6a-40dc-3b32-08de8301239d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|52116014|19092799006|1800799024|366016|56012099003|18002099003|22082099003|38350700014|921020; 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charset="utf-8" Add bt-sco sound card, which is used by BT HFP case. It supports wb profile as default. Signed-off-by: Shengjiu Wang Reviewed-by: Daniel Baluta --- arch/arm64/boot/dts/freescale/imx952-evk.dts | 59 ++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot= /dts/freescale/imx952-evk.dts index ef0058b98573..2615fbb63145 100644 --- a/arch/arm64/boot/dts/freescale/imx952-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts @@ -43,6 +43,11 @@ aliases { spi6 =3D &lpspi7; }; =20 + bt_sco_codec: audio-codec-bt-sco { + #sound-dai-cells =3D <1>; + compatible =3D "linux,bt-sco"; + }; + chosen { stdout-path =3D &lpuart1; }; @@ -140,6 +145,25 @@ reg_usb_vbus: regulator-vbus { enable-active-high; }; =20 + sound-bt-sco { + compatible =3D "simple-audio-card"; + simple-audio-card,bitclock-inversion; + simple-audio-card,bitclock-master =3D <&btcpu>; + simple-audio-card,format =3D "dsp_a"; + simple-audio-card,frame-master =3D <&btcpu>; + simple-audio-card,name =3D "bt-sco-audio"; + + simple-audio-card,codec { + sound-dai =3D <&bt_sco_codec 1>; + }; + + btcpu: simple-audio-card,cpu { + dai-tdm-slot-num =3D <2>; + dai-tdm-slot-width =3D <16>; + sound-dai =3D <&sai1>; + }; + }; + sound-wm8962 { compatible =3D "fsl,imx-audio-wm8962"; audio-asrc =3D <&asrc1>; @@ -387,6 +411,23 @@ &lpspi7 { status =3D "okay"; }; =20 +&sai1 { + assigned-clocks =3D <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_SAI1>; + assigned-clock-parents =3D <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates =3D <3932160000>, <3612672000>, + <393216000>, <361267200>, <12288000>; + pinctrl-0 =3D <&pinctrl_sai1>; + pinctrl-1 =3D <&pinctrl_sai1_sleep>; + pinctrl-names =3D "default", "sleep"; + fsl,sai-mclk-direction-output; + status =3D "okay"; +}; + &sai3 { assigned-clocks =3D <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, @@ -575,6 +616,24 @@ IMX952_PAD_SD2_RESET_B__WAKEUPMIX_TOP_GPIO3_IO_7 0x31e >; }; =20 + pinctrl_sai1: sai1grp { + fsl,pins =3D < + IMX952_PAD_SAI1_RXD0__AONMIX_TOP_SAI1_RX_DATA_0 0x31e + IMX952_PAD_SAI1_TXC__AONMIX_TOP_SAI1_TX_BCLK 0x31e + IMX952_PAD_SAI1_TXFS__AONMIX_TOP_SAI1_TX_SYNC 0x31e + IMX952_PAD_SAI1_TXD0__AONMIX_TOP_SAI1_TX_DATA_0 0x31e + >; + }; + + pinctrl_sai1_sleep: sai1sleepgrp { + fsl,pins =3D < + IMX952_PAD_SAI1_RXD0__AONMIX_TOP_GPIO1_IO_14 0x51e + IMX952_PAD_SAI1_TXC__AONMIX_TOP_GPIO1_IO_12 0x51e + IMX952_PAD_SAI1_TXFS__AONMIX_TOP_GPIO1_IO_11 0x51e + IMX952_PAD_SAI1_TXD0__AONMIX_TOP_GPIO1_IO_13 0x51e + >; + }; + pinctrl_sai3: sai3grp { fsl,pins =3D < IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_SAI3_MCLK 0x31e --=20 2.34.1 From nobody Tue Apr 7 04:47:04 2026 Received: from AM0PR83CU005.outbound.protection.outlook.com (mail-westeuropeazon11010029.outbound.protection.outlook.com [52.101.69.29]) (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 92B4A309EF9; 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charset="utf-8" Add PDM micphone sound card support, configure the pinmux. This sound card supports recording sound from PDM microphone and convert the PDM format data to PCM data. Signed-off-by: Shengjiu Wang Reviewed-by: Daniel Baluta --- arch/arm64/boot/dts/freescale/imx952-evk.dts | 54 ++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot= /dts/freescale/imx952-evk.dts index 2615fbb63145..62d1c1c7c501 100644 --- a/arch/arm64/boot/dts/freescale/imx952-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts @@ -52,6 +52,12 @@ chosen { stdout-path =3D &lpuart1; }; =20 + dmic: dmic { + compatible =3D "dmic-codec"; + #sound-dai-cells =3D <0>; + num-channels =3D <2>; + }; + memory@80000000 { device_type =3D "memory"; reg =3D <0x0 0x80000000 0 0x80000000>; @@ -164,6 +170,24 @@ btcpu: simple-audio-card,cpu { }; }; =20 + sound-micfil { + compatible =3D "fsl,imx-audio-card"; + model =3D "micfil-audio"; + + pri-dai-link { + format =3D "i2s"; + link-name =3D "micfil hifi"; + + codec { + sound-dai =3D <&dmic>; + }; + + cpu { + sound-dai =3D <&micfil>; + }; + }; + }; + sound-wm8962 { compatible =3D "fsl,imx-audio-wm8962"; audio-asrc =3D <&asrc1>; @@ -411,6 +435,22 @@ &lpspi7 { status =3D "okay"; }; =20 +&micfil { + assigned-clocks =3D <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_PDM>; + assigned-clock-parents =3D <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates =3D <3932160000>, <3612672000>, + <393216000>, <361267200>, <49152000>; + pinctrl-0 =3D <&pinctrl_pdm>; + pinctrl-1 =3D <&pinctrl_pdm_sleep>; + pinctrl-names =3D "default", "sleep"; + status =3D "okay"; +}; + &sai1 { assigned-clocks =3D <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, @@ -604,6 +644,20 @@ IMX952_PAD_GPIO_IO36__WAKEUPMIX_TOP_GPIO5_IO_16 0x31e >; }; =20 + pinctrl_pdm: pdmgrp { + fsl,pins =3D < + IMX952_PAD_PDM_CLK__AONMIX_TOP_PDM_CLK 0x31e + IMX952_PAD_PDM_BIT_STREAM0__AONMIX_TOP_PDM_BIT_STREAM_0 0x31e + >; + }; + + pinctrl_pdm_sleep: pdmsleepgrp { + fsl,pins =3D < + IMX952_PAD_PDM_CLK__AONMIX_TOP_GPIO1_IO_8 0x31e + IMX952_PAD_PDM_BIT_STREAM0__AONMIX_TOP_GPIO1_IO_9 0x31e + >; + }; + pinctrl_ptn5110: ptn5110grp { fsl,pins =3D < IMX952_PAD_GPIO_IO34__WAKEUPMIX_TOP_GPIO5_IO_14 0x31e --=20 2.34.1