diff options
Diffstat (limited to 'dts/Bindings/sound/tlv320adcx140.yaml')
| -rw-r--r-- | dts/Bindings/sound/tlv320adcx140.yaml | 59 |
1 files changed, 53 insertions, 6 deletions
diff --git a/dts/Bindings/sound/tlv320adcx140.yaml b/dts/Bindings/sound/tlv320adcx140.yaml index ab2268c0ee..2e6ac5d2ee 100644 --- a/dts/Bindings/sound/tlv320adcx140.yaml +++ b/dts/Bindings/sound/tlv320adcx140.yaml @@ -49,9 +49,8 @@ properties: 0 - Mic bias is set to VREF 1 - Mic bias is set to VREF × 1.096 6 - Mic bias is set to AVDD - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32 - - enum: [0, 1, 6] + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 6] ti,vref-source: description: | @@ -59,9 +58,55 @@ properties: 0 - Set VREF to 2.75V 1 - Set VREF to 2.5V 2 - Set VREF to 1.375V - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32 - - enum: [0, 1, 2] + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2] + + ti,pdm-edge-select: + description: | + Defines the PDMCLK sampling edge configuration for the PDM inputs. This + array is defined as <PDMIN1 PDMIN2 PDMIN3 PDMIN4>. + + 0 - (default) Odd channel is latched on the negative edge and even + channel is latched on the the positive edge. + 1 - Odd channel is latched on the positive edge and even channel is + latched on the the negative edge. + + PDMIN1 - PDMCLK latching edge used for channel 1 and 2 data + PDMIN2 - PDMCLK latching edge used for channel 3 and 4 data + PDMIN3 - PDMCLK latching edge used for channel 5 and 6 data + PDMIN4 - PDMCLK latching edge used for channel 7 and 8 data + + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 4 + items: + maximum: 1 + default: [0, 0, 0, 0] + + ti,gpi-config: + description: | + Defines the configuration for the general purpose input pins (GPI). + The array is defined as <GPI1 GPI2 GPI3 GPI4>. + + 0 - (default) disabled + 1 - GPIX is configured as a general-purpose input (GPI) + 2 - GPIX is configured as a master clock input (MCLK) + 3 - GPIX is configured as an ASI input for daisy-chain (SDIN) + 4 - GPIX is configured as a PDM data input for channel 1 and channel + (PDMDIN1) + 5 - GPIX is configured as a PDM data input for channel 3 and channel + (PDMDIN2) + 6 - GPIX is configured as a PDM data input for channel 5 and channel + (PDMDIN3) + 7 - GPIX is configured as a PDM data input for channel 7 and channel + (PDMDIN4) + + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 4 + items: + maximum: 7 + default: [0, 0, 0, 0] required: - compatible @@ -77,6 +122,8 @@ examples: compatible = "ti,tlv320adc5140"; reg = <0x4c>; ti,mic-bias-source = <6>; + ti,pdm-edge-select = <0 1 0 1>; + ti,gpi-config = <4 5 6 7>; reset-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>; }; }; |