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/linux-6.12.1/Documentation/devicetree/bindings/sound/
Dfsl,mqs.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/fsl,mqs.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP Medium Quality Sound (MQS)
10 - Shengjiu Wang <shengjiu.wang@nxp.com>
11 - Chancel Liu <chancel.liu@nxp.com>
14 Medium quality sound (MQS) is used to generate medium quality audio
22 - fsl,imx6sx-mqs
23 - fsl,imx8qm-mqs
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/linux-6.12.1/sound/soc/fsl/
Dfsl_mqs.c1 // SPDX-License-Identifier: GPL-2.0
3 // ALSA SoC IMX MQS driver
5 // Copyright (C) 2014-2015 Freescale Semiconductor, Inc.
12 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
38 * struct fsl_mqs_soc_data - soc specific data
81 struct snd_soc_component *component = dai->component; in fsl_mqs_hw_params()
87 mclk_rate = clk_get_rate(mqs_priv->mclk); in fsl_mqs_hw_params()
92 * if repeat_rate is 8, mqs can achieve better quality. in fsl_mqs_hw_params()
99 regmap_update_bits(mqs_priv->regmap, mqs_priv->soc->ctrl_off, in fsl_mqs_hw_params()
100 mqs_priv->soc->div_mask, in fsl_mqs_hw_params()
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Dfsl_sai.c1 // SPDX-License-Identifier: GPL-2.0+
5 // Copyright 2012-2015 Freescale Semiconductor, Inc.
22 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
26 #include "imx-pcm.h"
44 * fsl_sai_dir_is_synced - Check if stream is synced by the opposite stream
58 return !sai->synchronous[dir] && sai->synchronous[adir]; in fsl_sai_dir_is_synced()
65 if (sai->is_pdm_mode) { in fsl_sai_get_pins_state()
68 state = pinctrl_lookup_state(sai->pinctrl, "dsd512"); in fsl_sai_get_pins_state()
72 state = pinctrl_lookup_state(sai->pinctrl, "dsd"); in fsl_sai_get_pins_state()
76 state = pinctrl_lookup_state(sai->pinctrl, "pcm_b2m"); in fsl_sai_get_pins_state()
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/linux-6.12.1/arch/arm64/boot/dts/freescale/
Dimx8-ss-audio.dtsi1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2018-2019 NXP
7 #include <dt-bindings/clock/imx8-clock.h>
8 #include <dt-bindings/clock/imx8-lpcg.h>
9 #include <dt-bindings/dma/fsl-edma.h>
10 #include <dt-bindings/firmware/imx/rsrc.h>
12 audio_ipg_clk: clock-audio-ipg {
13 compatible = "fixed-clock";
14 #clock-cells = <0>;
15 clock-frequency = <120000000>;
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