f4eedebdbf
Not all @st.com email address are concerned, only people who have a specific @foss.st.com email will see their entry updated. For some people, who left the company, remove their email. Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> Cc: Fabien Dessenne <fabien.dessenne@foss.st.com> Cc: Christophe Roullier <christophe.roullier@foss.st.com> Cc: Gabriel Fernandez <gabriel.fernandez@foss.st.com> Cc: Lionel Debieve <lionel.debieve@foss.st.com> Cc: Amelie Delaunay <amelie.delaunay@foss.st.com> Cc: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com> Cc: Ludovic Barre <ludovic.barre@foss.st.com> Cc: Christophe Kerello <christophe.kerello@foss.st.com> Cc: pascal Paillet <p.paillet@foss.st.com> Cc: Erwan Le Ray <erwan.leray@foss.st.com> Cc: Philippe CORNU <philippe.cornu@foss.st.com> Cc: Yannick Fertre <yannick.fertre@foss.st.com> Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Cc: Olivier Moysan <olivier.moysan@foss.st.com> Cc: Hugues Fruchet <hugues.fruchet@foss.st.com> Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-By: Vinod Koul <vkoul@kernel.org> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20211110150144.18272-6-patrice.chotard@foss.st.com Signed-off-by: Rob Herring <robh@kernel.org>
92 lines
2.0 KiB
YAML
92 lines
2.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/sound/st,stm32-i2s.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: STMicroelectronics STM32 SPI/I2S Controller
|
|
|
|
maintainers:
|
|
- Olivier Moysan <olivier.moysan@foss.st.com>
|
|
|
|
description:
|
|
The SPI/I2S block supports I2S/PCM protocols when configured on I2S mode.
|
|
Only some SPI instances support I2S.
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- st,stm32h7-i2s
|
|
|
|
"#sound-dai-cells":
|
|
const: 0
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
items:
|
|
- description: clock feeding the peripheral bus interface.
|
|
- description: clock feeding the internal clock generator.
|
|
- description: I2S parent clock for sampling rates multiple of 8kHz.
|
|
- description: I2S parent clock for sampling rates multiple of 11.025kHz.
|
|
|
|
clock-names:
|
|
items:
|
|
- const: pclk
|
|
- const: i2sclk
|
|
- const: x8k
|
|
- const: x11k
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
dmas:
|
|
items:
|
|
- description: audio capture DMA.
|
|
- description: audio playback DMA.
|
|
|
|
dma-names:
|
|
items:
|
|
- const: rx
|
|
- const: tx
|
|
|
|
resets:
|
|
maxItems: 1
|
|
|
|
"#clock-cells":
|
|
description: Configure the I2S device as MCLK clock provider.
|
|
const: 0
|
|
|
|
required:
|
|
- compatible
|
|
- "#sound-dai-cells"
|
|
- reg
|
|
- clocks
|
|
- clock-names
|
|
- interrupts
|
|
- dmas
|
|
- dma-names
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
|
#include <dt-bindings/clock/stm32mp1-clks.h>
|
|
i2s2: audio-controller@4000b000 {
|
|
compatible = "st,stm32h7-i2s";
|
|
#sound-dai-cells = <0>;
|
|
reg = <0x4000b000 0x400>;
|
|
clocks = <&rcc SPI2>, <&rcc SPI2_K>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
|
|
clock-names = "pclk", "i2sclk", "x8k", "x11k";
|
|
interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
|
|
dmas = <&dmamux1 39 0x400 0x01>,
|
|
<&dmamux1 40 0x400 0x01>;
|
|
dma-names = "rx", "tx";
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&i2s2_pins_a>;
|
|
};
|
|
|
|
...
|