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Message-ID:
<AM6PR04MB59411A2B4E63B0562BB652A288D02@AM6PR04MB5941.eurprd04.prod.outlook.com>
Date: Fri, 28 Jun 2024 01:13:39 +0000
From: Peng Fan <peng.fan@....com>
To: "S.J. Wang" <shengjiu.wang@....com>, "lgirdwood@...il.com"
<lgirdwood@...il.com>, "broonie@...nel.org" <broonie@...nel.org>,
"robh@...nel.org" <robh@...nel.org>, "krzk+dt@...nel.org"
<krzk+dt@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
"shengjiu.wang@...il.com" <shengjiu.wang@...il.com>,
"linux-sound@...r.kernel.org" <linux-sound@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"shawnguo@...nel.org" <shawnguo@...nel.org>, "s.hauer@...gutronix.de"
<s.hauer@...gutronix.de>, "kernel@...gutronix.de" <kernel@...gutronix.de>,
"festevam@...il.com" <festevam@...il.com>, "imx@...ts.linux.dev"
<imx@...ts.linux.dev>, "linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v2 3/3] arm64: dts: imx8mp-evk: Add audio XCVR sound card
> Subject: [PATCH v2 3/3] arm64: dts: imx8mp-evk: Add audio XCVR
> sound card
>
> Add audio XCVR sound card, which supports SPDIF TX & RX, eARC RX,
> ARC RX functions.
>
> HDMI_HPD is shared with the HDMI module so use pinctrl_hog.
>
> Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
> ---
> arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 27
> ++++++++++++++++++++
> 1 file changed, 27 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> index c2c708c492c0..a64e8a6c830d 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> @@ -209,6 +209,19 @@ cpu {
> };
> };
>
> + sound-xcvr {
> + compatible = "fsl,imx-audio-card";
> + model = "imx-audio-xcvr";
> +
> + pri-dai-link {
> + link-name = "XCVR PCM";
> +
> + cpu {
> + sound-dai = <&xcvr>;
> + };
> + };
> + };
> +
> reserved-memory {
> #address-cells = <2>;
> #size-cells = <2>;
> @@ -748,7 +761,15 @@ &wdog1 {
> status = "okay";
> };
>
> +&xcvr {
> + #sound-dai-cells = <0>;
> + status = "okay";
> +};
> +
> &iomuxc {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_hog>;
Could this be put under xcvr node?
Regards,
Peng.
> +
> pinctrl_audio_pwr_reg: audiopwrreggrp {
> fsl,pins = <
> MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29
> 0xd6
> @@ -838,6 +859,12 @@
> MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16 0x140
> >;
> };
>
> + pinctrl_hog: hoggrp {
> + fsl,pins = <
> +
> MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD
> 0x40000010
> + >;
> + };
> +
> pinctrl_i2c1: i2c1grp {
> fsl,pins = <
> MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL
> 0x400001c2
> --
> 2.34.1
>
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