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| author | Alexander Sverdlin <alexander.sverdlin@gmail.com> | 2023-04-11 19:59:50 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-04-12 14:54:16 +0300 |
| commit | 13b1b95245a7c2dc959b06ed7f02f4832e401cd2 (patch) | |
| tree | 632877e9b2f99af9238bd44fde7ea20d3a6993dd | |
| parent | bddcfb0802eb69b0f51293eab5db33d344c0262f (diff) | |
| download | linux-13b1b95245a7c2dc959b06ed7f02f4832e401cd2.tar.xz | |
ASoC: ep93xx: Add I2S description
Add device tree bindings for Cirrus Logic EP93xx internal SoCs' I2S
controller.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230411165951.2335899-1-alexander.sverdlin@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml | 66 | ||||
| -rw-r--r-- | MAINTAINERS | 1 |
2 files changed, 67 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml b/Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml new file mode 100644 index 000000000000..453d493c941f --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/cirrus,ep9301-i2s.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus EP93xx I2S Controller + +description: | + The I2S controller is used to stream serial audio data between the external + I2S CODECs’, ADCs/DACs, and the ARM Core. The controller supports I2S, Left- + and Right-Justified DSP formats. + +maintainers: + - Alexander Sverdlin <alexander.sverdlin@gmail.com> + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + const: cirrus,ep9301-i2s + + '#sound-dai-cells': + const: 0 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 3 + maxItems: 3 + + clock-names: + items: + - const: mclk + - const: sclk + - const: lrclk + +required: + - compatible + - '#sound-dai-cells' + - reg + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + i2s: i2s@80820000 { + compatible = "cirrus,ep9301-i2s"; + #sound-dai-cells = <0>; + reg = <0x80820000 0x100>; + interrupt-parent = <&vic1>; + interrupts = <28>; + clocks = <&syscon 29>, + <&syscon 30>, + <&syscon 31>; + clock-names = "mclk", "sclk", "lrclk"; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index e52938f962b5..b39ec6dbcdc9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2072,6 +2072,7 @@ M: Alexander Sverdlin <alexander.sverdlin@gmail.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml +F: Documentation/devicetree/bindings/sound/cirrus,ep9301-* F: arch/arm/boot/compressed/misc-ep93xx.h F: arch/arm/mach-ep93xx/ F: drivers/iio/adc/ep93xx_adc.c |