From 805cf7d9ed98ebd6962a293b889505f9b275076f Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Wed, 30 Oct 2019 18:07:12 +0800 Subject: arm64: dts: imx8mq: Support TDM format for audio sound card Support TDM format for audio sound card Signed-off-by: Shengjiu Wang --- arch/arm64/boot/dts/freescale/imx8mq-evk-pdm.dts | 44 ++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8mq-evk-pdm.dts (limited to 'arch/arm64/boot/dts/freescale/imx8mq-evk-pdm.dts') diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk-pdm.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk-pdm.dts new file mode 100644 index 000000000000..0f5d7b73df5e --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk-pdm.dts @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * Copyright 2017 NXP + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "imx8mq-evk.dts" + +/ { + sound-pdm { + compatible = "fsl,imx-pdm-mic"; + model = "imx-pdm-audio"; + audio-cpu = <&sai3>; + decimation = <64>; + status = "okay"; + }; +}; + +&iomuxc { + pinctrl_sai3: sai3grp { + fsl,pins = < + MX8MQ_IOMUXC_SAI3_RXC_SAI3_RX_BCLK 0xd6 + MX8MQ_IOMUXC_SAI3_RXD_SAI3_RX_DATA0 0xd6 + >; + }; +}; + +&sai3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sai3>; + assigned-clocks = <&clk IMX8MQ_CLK_SAI3>; + assigned-clock-parents = <&clk IMX8MQ_AUDIO_PLL1_OUT>; + assigned-clock-rates = <24576000>; + status = "okay"; +}; -- cgit v1.2.3