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Thu, 12 Mar 2026 10:43:48 +0100 Received: from localhost ([127.0.0.1]) by sslproxy05.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w0ca3-000OFC-2y; Thu, 12 Mar 2026 10:43:47 +0100 From: Alexander Stein 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 Cc: Shengjiu Wang Subject: Re: [PATCH 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support Date: Thu, 12 Mar 2026 10:43:47 +0100 Message-ID: <3918649.ElGaqSPkdT@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <20260312034912.4007057-3-shengjiu.wang@nxp.com> References: <20260312034912.4007057-1-shengjiu.wang@nxp.com> <20260312034912.4007057-3-shengjiu.wang@nxp.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" X-Virus-Scanned: Clear (ClamAV 1.4.3/27938/Thu Mar 12 07:24:01 2026) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260312_094357_089496_868F224A X-CRM114-Status: GOOD ( 12.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Am Donnerstag, 12. M=E4rz 2026, 04:49:10 CET schrieb Shengjiu Wang: > Add wm8962 sound card. By connecting with ASRC1, the sound card support > sample rate conversion. >=20 > Signed-off-by: Shengjiu Wang > --- > arch/arm64/boot/dts/freescale/imx952-evk.dts | 119 +++++++++++++++++++ > 1 file changed, 119 insertions(+) >=20 > diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/bo= ot/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"; Is asrc2 actually required? AFAICS this is not referenced. Best regards, Alexander > }; > =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 BRD_SM_CTRL_M2E_WAKE 1 > @@ -402,6 +495,12 @@ IMX952_PAD_GPIO_IO27__WAKEUPMIX_TOP_CAN2_RX 0x39e > >; > }; > =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 0x3= 1e > >; > }; > =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 > + >; > + }; > + > + pinctrl_sai3_sleep: sai3sleepgrp { > + fsl,pins =3D < > + IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_GPIO2_IO_17 0x31e > + IMX952_PAD_GPIO_IO16__WAKEUPMIX_TOP_GPIO2_IO_16 0x31e > + IMX952_PAD_GPIO_IO26__WAKEUPMIX_TOP_GPIO2_IO_26 0x31e > + IMX952_PAD_GPIO_IO20__WAKEUPMIX_TOP_GPIO2_IO_20 0x31e > + IMX952_PAD_GPIO_IO21__WAKEUPMIX_TOP_GPIO2_IO_21 0x31e > + >; > + }; > + > pinctrl_tpm3: tpm3grp { > fsl,pins =3D < > IMX952_PAD_GPIO_IO12__WAKEUPMIX_TOP_TPM3_CH2 0x51e >=20 =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/