From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Baluta Subject: [PATCH v7 4/4] arm64: dts: imx8mq-evk: Enable audio codec wm8524 Date: Tue, 19 Mar 2019 17:48:41 +0000 Message-ID: <20190319174823.29467-5-daniel.baluta@nxp.com> References: <20190319174823.29467-1-daniel.baluta@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20190319174823.29467-1-daniel.baluta@nxp.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: "S.j. Wang" , "shawnguo@kernel.org" Cc: "angus@akkea.ca" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "s.hauer@pengutronix.de" , "kernel@pengutronix.de" , "festevam@gmail.com" , "l.stach@pengutronix.de" , "ccaione@baylibre.com" , "baruch@tkos.co.il" , "agx@sigxcpu.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , dl-linux-imx , Aisheng Dong , "kuninori.morimoto.gx@renesas.com" List-Id: devicetree@vger.kernel.org The main Audio DAC used on the EVK board is wm8524 The EVK provides the MCLK to wm8524. Digital interface is SAI2 which includes three signals: SYNC_CLK, BCLK and DACDAT. This patch sets: * SAI2 pinctrl configuration * clock hierarchy * wm8524 codec Then uses simple-card machine driver to connect them into a sound card. Signed-off-by: Daniel Baluta Reviewed-by: Fabio Estevam --- arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 48 ++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot= /dts/freescale/imx8mq-evk.dts index afea110b70a3..304c28034ddf 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts @@ -43,6 +43,35 @@ states =3D <1000000 0x0 900000 0x1>; }; + + wm8524: audio-codec { + #sound-dai-cells =3D <0>; + compatible =3D "wlf,wm8524"; + wlf,mute-gpios =3D <&gpio1 8 GPIO_ACTIVE_LOW>; + }; + + sound-wm8524 { + compatible =3D "simple-audio-card"; + simple-audio-card,name =3D "wm8524-audio"; + simple-audio-card,format =3D "i2s"; + simple-audio-card,frame-master =3D <&cpudai>; + simple-audio-card,bitclock-master =3D <&cpudai>; + simple-audio-card,widgets =3D + "Line", "Left Line Out Jack", + "Line", "Right Line Out Jack"; + simple-audio-card,routing =3D + "Left Line Out Jack", "LINEVOUTL", + "Right Line Out Jack", "LINEVOUTR"; + + cpudai: simple-audio-card,cpu { + sound-dai =3D <&sai2>; + }; + + link_codec: simple-audio-card,codec { + sound-dai =3D <&wm8524>; + clocks =3D <&clk IMX8MQ_CLK_SAI2_ROOT>; + }; + }; }; =20 &A53_0 { @@ -80,6 +109,15 @@ }; }; =20 +&sai2 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_sai2>; + assigned-clocks =3D <&clk IMX8MQ_CLK_SAI2>; + assigned-clock-parents =3D <&clk IMX8MQ_AUDIO_PLL1_OUT>; + assigned-clock-rates =3D <24576000>; + status =3D "okay"; +}; + &i2c1 { clock-frequency =3D <100000>; pinctrl-names =3D "default"; @@ -283,6 +321,16 @@ >; }; =20 + pinctrl_sai2: sai2grp { + fsl,pins =3D < + MX8MQ_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC 0xd6 + MX8MQ_IOMUXC_SAI2_TXC_SAI2_TX_BCLK 0xd6 + MX8MQ_IOMUXC_SAI2_MCLK_SAI2_MCLK 0xd6 + MX8MQ_IOMUXC_SAI2_TXD0_SAI2_TX_DATA0 0xd6 + MX8MQ_IOMUXC_GPIO1_IO08_GPIO1_IO8 0xd6 + >; + }; + pinctrl_uart1: uart1grp { fsl,pins =3D < MX8MQ_IOMUXC_UART1_RXD_UART1_DCE_RX 0x49 --=20 2.17.1