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ASoC: dt-bindings: ti, j721e-cpb-audio: Document support for j7200-cpb

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j721e or j7200 SOM can be attached to the same Common Processor Board (CPB)

With the j7200 SOM only the 48KHz family parent clock is available and
McASP0 is used for the audio.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200910124110.19361-2-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2020-09-10 15:41:09 +03:00 committed by Mark Brown
parent a0822e3eea
commit 18790b1b51
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GPG key ID: 24D68B725D5487D0
1 changed files with 70 additions and 22 deletions
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92
Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml
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@ -18,18 +18,25 @@ description: |
PLL15 (for 44.1KHz). The same PLLs are used for McASP10's AUXCLK clock via
different HSDIVIDER.
Clocking setup for 48KHz family:
PLL4 ---> PLL4_HSDIV0 ---> MCASP10_AUXCLK ---> McASP10.auxclk
|-> PLL4_HSDIV2 ---> AUDIO_REFCLK2 ---> pcm3168a.SCKI
Clocking setup for j721e:
48KHz family:
PLL4 ---> PLL4_HSDIV0 ---> MCASP10_AUXCLK ---> McASP10.auxclk
|-> PLL4_HSDIV2 ---> AUDIO_REFCLK2 ---> pcm3168a.SCKI
Clocking setup for 44.1KHz family:
PLL15 ---> PLL15_HSDIV0 ---> MCASP10_AUXCLK ---> McASP10.auxclk
|-> PLL15_HSDIV2 ---> AUDIO_REFCLK2 ---> pcm3168a.SCKI
44.1KHz family:
PLL15 ---> PLL15_HSDIV0 ---> MCASP10_AUXCLK ---> McASP10.auxclk
|-> PLL15_HSDIV2 ---> AUDIO_REFCLK2 ---> pcm3168a.SCKI
Clocking setup for j7200:
48KHz family:
PLL4 ---> PLL4_HSDIV0 ---> MCASP0_AUXCLK ---> McASP0.auxclk
|-> PLL4_HSDIV2 ---> AUDIO_REFCLK2 ---> pcm3168a.SCKI
properties:
compatible:
items:
- const: ti,j721e-cpb-audio
enum:
- ti,j721e-cpb-audio
- ti,j7200-cpb-audio
model:
$ref: /schemas/types.yaml#/definitions/string
@ -44,22 +51,12 @@ properties:
$ref: /schemas/types.yaml#/definitions/phandle
clocks:
items:
- description: AUXCLK clock for McASP used by CPB audio
- description: Parent for CPB_McASP auxclk (for 48KHz)
- description: Parent for CPB_McASP auxclk (for 44.1KHz)
- description: SCKI clock for the pcm3168a codec on CPB
- description: Parent for CPB_SCKI clock (for 48KHz)
- description: Parent for CPB_SCKI clock (for 44.1KHz)
minItems: 4
maxItems: 6
clock-names:
items:
- const: cpb-mcasp-auxclk
- const: cpb-mcasp-auxclk-48000
- const: cpb-mcasp-auxclk-44100
- const: cpb-codec-scki
- const: cpb-codec-scki-48000
- const: cpb-codec-scki-44100
minItems: 4
maxItems: 6
required:
- compatible
@ -71,6 +68,57 @@ required:
additionalProperties: false
allOf:
- if:
properties:
compatible:
contains:
const: ti,j721e-cpb-audio
then:
properties:
clocks:
minItems: 6
items:
- description: AUXCLK clock for McASP used by CPB audio
- description: Parent for CPB_McASP auxclk (for 48KHz)
- description: Parent for CPB_McASP auxclk (for 44.1KHz)
- description: SCKI clock for the pcm3168a codec on CPB
- description: Parent for CPB_SCKI clock (for 48KHz)
- description: Parent for CPB_SCKI clock (for 44.1KHz)
clock-names:
items:
- const: cpb-mcasp-auxclk
- const: cpb-mcasp-auxclk-48000
- const: cpb-mcasp-auxclk-44100
- const: cpb-codec-scki
- const: cpb-codec-scki-48000
- const: cpb-codec-scki-44100
- if:
properties:
compatible:
contains:
const: ti,j7200-cpb-audio
then:
properties:
clocks:
maxItems: 4
items:
- description: AUXCLK clock for McASP used by CPB audio
- description: Parent for CPB_McASP auxclk (for 48KHz)
- description: SCKI clock for the pcm3168a codec on CPB
- description: Parent for CPB_SCKI clock (for 48KHz)
clock-names:
items:
- const: cpb-mcasp-auxclk
- const: cpb-mcasp-auxclk-48000
- const: cpb-codec-scki
- const: cpb-codec-scki-48000
examples:
- |+
sound {