Searched +full:stm32h7 +full:- +full:dfsdm +full:- +full:dai (Results 1 – 4 of 4) sorted by relevance
1 STMicroelectronics Audio Digital Filter Sigma Delta modulators(DFSDM)3 The DFSDM allows PDM microphones capture through SPI interface. The Audio4 interface is seems as a sub block of the DFSDM device.5 For details on DFSDM bindings refer to ../iio/adc/st,stm32-dfsdm-adc.txt8 - compatible: "st,stm32h7-dfsdm-dai".10 - #sound-dai-cells : Must be equal to 012 - io-channels : phandle to iio dfsdm instance node.14 Example of a sound card using audio DFSDM node.17 compatible = "audio-graph-card";22 dfsdm: dfsdm@40017000 {[all …]
1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)3 ---4 $id: http://devicetree.org/schemas/iio/adc/st,stm32-dfsdm-adc.yaml#5 $schema: http://devicetree.org/meta-schemas/core.yaml#7 title: STMicroelectronics STM32 DFSDM ADC device driver10 - Fabrice Gasnier <fabrice.gasnier@st.com>11 - Olivier Moysan <olivier.moysan@st.com>14 STM32 DFSDM ADC is a sigma delta analog-to-digital converter dedicated to17 - Sigma delta modulators (motor control, metering...)18 - PDM microphones (audio digital microphone)[all …]
1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)3 * Copyright (C) STMicroelectronics 2017 - All Rights Reserved6 #include <dt-bindings/interrupt-controller/arm-gic.h>7 #include <dt-bindings/clock/stm32mp1-clks.h>8 #include <dt-bindings/reset/stm32mp1-resets.h>11 #address-cells = <1>;12 #size-cells = <1>;15 #address-cells = <1>;16 #size-cells = <0>;19 compatible = "arm,cortex-a7";[all …]
1 // SPDX-License-Identifier: GPL-2.03 * This file is part of STM32 DFSDM ASoC DAI driver5 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved18 #include <linux/iio/adc/stm32-dfsdm-adc.h>23 #define STM32_ADFSDM_DRV_NAME "stm32-adfsdm"61 struct snd_soc_dai *dai) in stm32_adfsdm_shutdown() argument63 struct stm32_adfsdm_priv *priv = snd_soc_dai_get_drvdata(dai); in stm32_adfsdm_shutdown()65 mutex_lock(&priv->lock); in stm32_adfsdm_shutdown()66 if (priv->iio_active) { in stm32_adfsdm_shutdown()67 iio_channel_stop_all_cb(priv->iio_cb); in stm32_adfsdm_shutdown()[all …]
