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Tue, 17 Jun 2025 07:52:56 -0700 (PDT) From: Laurentiu Mihalcea To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Fabio Estevam Cc: Pengutronix Kernel Team , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] arm64: dts: imx8qxp-mek: support wcpu board's wm8962 codec Date: Tue, 17 Jun 2025 10:52:19 -0400 Message-Id: <20250617145220.1131165-2-laurentiumihalcea111@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250617145220.1131165-1-laurentiumihalcea111@gmail.com> References: <20250617145220.1131165-1-laurentiumihalcea111@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Laurentiu Mihalcea The i.MX8QXP WCPU MEK board is a reworked version of the i.MX8QXP MEK board, which includes some sensor and component changes. One of these components is the WM8962 codec, which is meant to replace the WM8960 codec present on i.MX8QXP MEK. To avoid having to introduce a devicetree overlay or another DTS, the WM8962 can be supported by using a virtual I2C MUX since both of the codecs share the same I2C address. Signed-off-by: Laurentiu Mihalcea --- arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 103 ++++++++++++++---- 1 file changed, 80 insertions(+), 23 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boo= t/dts/freescale/imx8qxp-mek.dts index c93d123670bd..38ebf06f2c40 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts +++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts @@ -64,6 +64,71 @@ usb3_data_ss: endpoint { }; }; =20 + i2c-mux { + compatible =3D "i2c-mux-gpio"; + mux-gpios =3D <&lsio_gpio5 0 GPIO_ACTIVE_HIGH>; /* needs to be an unused= GPIO */ + i2c-parent =3D <&cm40_i2c>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + i2c@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + wm8960: audio-codec@1a { + compatible =3D "wlf,wm8960"; + reg =3D <0x1a>; + clocks =3D <&mclkout0_lpcg IMX_LPCG_CLK_0>; + clock-names =3D "mclk"; + assigned-clocks =3D <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>, + <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>, + <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>, + <&mclkout0_lpcg IMX_LPCG_CLK_0>; + assigned-clock-rates =3D <786432000>, + <49152000>, + <12288000>, + <12288000>; + wlf,shared-lrclk; + wlf,hp-cfg =3D <2 2 3>; + wlf,gpio-cfg =3D <1 3>; + AVDD-supply =3D <®_audio_3v3>; + DBVDD-supply =3D <®_audio_1v8>; + DCVDD-supply =3D <®_audio_1v8>; + SPKVDD1-supply =3D <®_audio_5v>; + SPKVDD2-supply =3D <®_audio_5v>; + }; + }; + + i2c@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + wm8962: wm8962@1a { + compatible =3D "wlf,wm8962"; + reg =3D <0x1a>; + clocks =3D <&mclkout0_lpcg IMX_LPCG_CLK_0>; + assigned-clocks =3D <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>, + <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>, + <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>, + <&mclkout0_lpcg IMX_LPCG_CLK_0>; + assigned-clock-rates =3D <786432000>, + <49152000>, + <12288000>, + <12288000>; + DCVDD-supply =3D <®_audio_1v8>; + DBVDD-supply =3D <®_audio_1v8>; + AVDD-supply =3D <®_audio_1v8>; + CPVDD-supply =3D <®_audio_1v8>; + MICVDD-supply =3D <®_audio_3v3>; + PLLVDD-supply =3D <®_audio_1v8>; + SPKVDD1-supply =3D <®_audio_5v>; + SPKVDD2-supply =3D <®_audio_5v>; + }; + }; + }; + reg_pcieb: regulator-pcie { compatible =3D "regulator-fixed"; regulator-max-microvolt =3D <3300000>; @@ -248,6 +313,21 @@ sound-wm8960 { "LINPUT1", "Mic Jack", "Mic Jack", "MICB"; }; + + sound-wm8962 { + compatible =3D "fsl,imx-audio-wm8962"; + model =3D "wm8962-audio"; + audio-cpu =3D <&sai1>; + audio-codec =3D <&wm8962>; + hp-det-gpios =3D <&lsio_gpio1 0 GPIO_ACTIVE_HIGH>; + audio-routing =3D "Headphone Jack", "HPOUTL", + "Headphone Jack", "HPOUTR", + "Ext Spk", "SPKOUTL", + "Ext Spk", "SPKOUTR", + "AMIC", "MICBIAS", + "IN3R", "AMIC", + "IN1R", "AMIC"; + }; }; =20 &amix { @@ -427,29 +507,6 @@ &cm40_i2c { sda-gpios =3D <&lsio_gpio1 9 GPIO_ACTIVE_HIGH>; status =3D "okay"; =20 - wm8960: audio-codec@1a { - compatible =3D "wlf,wm8960"; - reg =3D <0x1a>; - clocks =3D <&mclkout0_lpcg IMX_LPCG_CLK_0>; - clock-names =3D "mclk"; - assigned-clocks =3D <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>, - <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>, - <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>, - <&mclkout0_lpcg IMX_LPCG_CLK_0>; 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charset="utf-8" From: Laurentiu Mihalcea The i.MX8QM MEK RevD board is a reworked version of the i.MX8QM MEK board, which includes some sensor and component changes. One of these components is the WM8962 codec, which is meant to replace the WM8960 codec present on i.MX8QM MEK. To avoid having to introduce a devicetree overlay or another DTS, the WM8962 can be supported by using a virtual I2C MUX since both of the codecs share the same I2C address. Signed-off-by: Laurentiu Mihalcea --- arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 101 +++++++++++++++---- 1 file changed, 81 insertions(+), 20 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot= /dts/freescale/imx8qm-mek.dts index 353f825a8ac5..e1023ca55929 100644 --- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts +++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts @@ -131,6 +131,72 @@ lvds_backlight1: backlight-lvds1 { default-brightness-level =3D <80>; }; =20 + i2c-mux { + compatible =3D "i2c-mux-gpio"; + mux-gpios =3D <&lsio_gpio5 3 GPIO_ACTIVE_HIGH>; /* needs to be an unused= GPIO */ + i2c-parent =3D <&i2c1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + i2c@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + wm8960: audio-codec@1a { + compatible =3D "wlf,wm8960"; + reg =3D <0x1a>; + clocks =3D <&mclkout0_lpcg IMX_LPCG_CLK_0>; + clock-names =3D "mclk"; + assigned-clocks =3D <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>, + <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>, + <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>, + <&mclkout0_lpcg IMX_LPCG_CLK_0>; + assigned-clock-rates =3D <786432000>, + <49152000>, + <12288000>, + <12288000>; + wlf,shared-lrclk; + wlf,hp-cfg =3D <2 2 3>; + wlf,gpio-cfg =3D <1 3>; + AVDD-supply =3D <®_audio_3v3>; + DBVDD-supply =3D <®_audio_1v8>; + DCVDD-supply =3D <®_audio_1v8>; + SPKVDD1-supply =3D <®_audio_5v>; + SPKVDD2-supply =3D <®_audio_5v>; + }; + }; + + i2c@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + wm8962: wm8962@1a { + compatible =3D "wlf,wm8962"; + reg =3D <0x1a>; + clocks =3D <&mclkout0_lpcg IMX_LPCG_CLK_0>; + assigned-clocks =3D <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>, + <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>, + <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>, + <&mclkout0_lpcg IMX_LPCG_CLK_0>; + assigned-clock-rates =3D <786432000>, + <49152000>, + <12288000>, + <12288000>; + DCVDD-supply =3D <®_audio_1v8>; + DBVDD-supply =3D <®_audio_1v8>; + AVDD-supply =3D <®_audio_1v8>; + CPVDD-supply =3D <®_audio_1v8>; + MICVDD-supply =3D <®_audio_3v3>; + PLLVDD-supply =3D <®_audio_1v8>; + SPKVDD1-supply =3D <®_audio_5v>; + SPKVDD2-supply =3D <®_audio_5v>; + }; + }; + + }; + mux-controller { compatible =3D "nxp,cbdtu02043", "gpio-sbu-mux"; pinctrl-names =3D "default"; @@ -314,6 +380,21 @@ sound-wm8960 { "Mic Jack", "MICB"; }; =20 + sound-wm8962 { + compatible =3D "fsl,imx-audio-wm8962"; + model =3D "wm8962-audio"; + audio-cpu =3D <&sai1>; + audio-codec =3D <&wm8962>; + hp-det-gpios =3D <&lsio_gpio0 31 GPIO_ACTIVE_HIGH>; + audio-routing =3D "Headphone Jack", "HPOUTL", + "Headphone Jack", "HPOUTR", + "Ext Spk", "SPKOUTL", + "Ext Spk", "SPKOUTR", + "AMIC", "MICBIAS", + "IN1R", "AMIC", + "IN3R", "AMIC"; + }; + imx8qm-cm4-0 { compatible =3D "fsl,imx8qm-cm4"; clocks =3D <&clk_dummy>; @@ -511,26 +592,6 @@ &i2c1 { scl-gpios =3D <&lsio_gpio0 14 GPIO_ACTIVE_HIGH>; sda-gpios =3D <&lsio_gpio0 15 GPIO_ACTIVE_HIGH>; status =3D "okay"; - - wm8960: audio-codec@1a { - compatible =3D "wlf,wm8960"; - reg =3D <0x1a>; - clocks =3D <&mclkout0_lpcg IMX_LPCG_CLK_0>; - clock-names =3D "mclk"; - assigned-clocks =3D <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>, - <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>, - <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>, - <&mclkout0_lpcg IMX_LPCG_CLK_0>; - assigned-clock-rates =3D <786432000>, <49152000>, <12288000>, <12288000>; - wlf,shared-lrclk; - wlf,hp-cfg =3D <2 2 3>; - wlf,gpio-cfg =3D <1 3>; - AVDD-supply =3D <®_audio_3v3>; - DBVDD-supply =3D <®_audio_1v8>; - DCVDD-supply =3D <®_audio_1v8>; - SPKVDD1-supply =3D <®_audio_5v>; - SPKVDD2-supply =3D <®_audio_5v>; - }; }; =20 &i2c1_lvds0 { --=20 2.34.1