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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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fb37c3a9c2
Document Audio Graph Port support in binding document. Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me> Tested-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Mark Brown <broonie@kernel.org> Reviewed-by: Andy Shevchenko <andy@kernel.org> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
83 lines
1.6 KiB
YAML
83 lines
1.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/cirrus,ep9301-i2s.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Cirrus EP93xx I2S Controller
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description: |
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The I2S controller is used to stream serial audio data between the external
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I2S CODECs’, ADCs/DACs, and the ARM Core. The controller supports I2S, Left-
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and Right-Justified DSP formats.
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maintainers:
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- Alexander Sverdlin <alexander.sverdlin@gmail.com>
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allOf:
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- $ref: dai-common.yaml#
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properties:
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compatible:
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const: cirrus,ep9301-i2s
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'#sound-dai-cells':
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const: 0
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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minItems: 3
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maxItems: 3
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clock-names:
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items:
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- const: mclk
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- const: sclk
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- const: lrclk
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dmas:
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items:
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- description: out DMA channel
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- description: in DMA channel
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dma-names:
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items:
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- const: tx
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- const: rx
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port:
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$ref: audio-graph-port.yaml#
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unevaluatedProperties: false
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required:
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- compatible
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- '#sound-dai-cells'
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- reg
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- clocks
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- clock-names
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additionalProperties: false
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examples:
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- |
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i2s: i2s@80820000 {
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compatible = "cirrus,ep9301-i2s";
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#sound-dai-cells = <0>;
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reg = <0x80820000 0x100>;
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interrupt-parent = <&vic1>;
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interrupts = <28>;
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clocks = <&syscon 29>,
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<&syscon 30>,
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<&syscon 31>;
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clock-names = "mclk", "sclk", "lrclk";
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dmas = <&dma0 0 1>, <&dma0 0 2>;
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dma-names = "tx", "rx";
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};
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...
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