diff options
Diffstat (limited to 'Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml | 56 |
1 files changed, 54 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml index f32410890589..b4f44f9c7c7d 100644 --- a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml +++ b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml @@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: STMicroelectronics STM32 SPI/I2S Controller maintainers: - - Olivier Moysan <olivier.moysan@st.com> + - Olivier Moysan <olivier.moysan@foss.st.com> description: The SPI/I2S block supports I2S/PCM protocols when configured on I2S mode. @@ -17,6 +17,7 @@ properties: compatible: enum: - st,stm32h7-i2s + - st,stm32mp25-i2s "#sound-dai-cells": const: 0 @@ -30,6 +31,7 @@ properties: - 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. + minItems: 2 clock-names: items: @@ -37,6 +39,7 @@ properties: - const: i2sclk - const: x8k - const: x11k + minItems: 2 interrupts: maxItems: 1 @@ -54,6 +57,18 @@ properties: resets: maxItems: 1 + "#clock-cells": + description: Configure the I2S device as MCLK clock provider. + const: 0 + + port: + $ref: audio-graph-port.yaml# + unevaluatedProperties: false + + access-controllers: + minItems: 1 + maxItems: 2 + required: - compatible - "#sound-dai-cells" @@ -64,7 +79,37 @@ required: - dmas - dma-names -additionalProperties: false +allOf: + - $ref: dai-common.yaml# + - if: + properties: + compatible: + contains: + const: st,stm32h7-i2s + + then: + properties: + clocks: + minItems: 4 + + clock-names: + minItems: 4 + + - if: + properties: + compatible: + contains: + const: st,stm32mp25-i2s + + then: + properties: + clocks: + maxItems: 2 + + clock-names: + maxItems: 2 + +unevaluatedProperties: false examples: - | @@ -82,6 +127,13 @@ examples: dma-names = "rx", "tx"; pinctrl-names = "default"; pinctrl-0 = <&i2s2_pins_a>; + + /* assume audio-graph */ + port { + codec_endpoint: endpoint { + remote-endpoint = <&codec_endpoint>; + }; + }; }; ... |