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author | Andrew F. Davis <afd@ti.com> | 2017-12-05 21:52:55 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2017-12-06 14:06:05 +0100 |
commit | eb2a8168b9fd69f66199d9d7e86d23fecfab4e33 (patch) | |
tree | a49aaf9583ae1143f95bb82acc61a2b93f20a955 /Documentation/devicetree/bindings/sound/pcm186x.txt | |
parent | ASoC: pcm186x: Add initial PCM1862/63/64/65 universal ADC driver (diff) | |
download | linux-eb2a8168b9fd69f66199d9d7e86d23fecfab4e33.tar.xz linux-eb2a8168b9fd69f66199d9d7e86d23fecfab4e33.zip |
ASoC: pcm186x: Add PCM186x binding documentation
Add the dt-binding documentation for the TI PCM186x 2ch and 4ch Audio
ADCs With Universal Front End.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/pcm186x.txt')
-rw-r--r-- | Documentation/devicetree/bindings/sound/pcm186x.txt | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/pcm186x.txt b/Documentation/devicetree/bindings/sound/pcm186x.txt new file mode 100644 index 000000000000..1087f4855980 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/pcm186x.txt @@ -0,0 +1,42 @@ +Texas Instruments PCM186x Universal Audio ADC + +These devices support both I2C and SPI (configured with pin strapping +on the board). + +Required properties: + + - compatible : "ti,pcm1862", + "ti,pcm1863", + "ti,pcm1864", + "ti,pcm1865" + + - reg : The I2C address of the device for I2C, the chip select + number for SPI. + + - avdd-supply: Analog core power supply (3.3v) + - dvdd-supply: Digital core power supply + - iovdd-supply: Digital IO power supply + See regulator/regulator.txt for more information + +CODEC input pins: + * VINL1 + * VINR1 + * VINL2 + * VINR2 + * VINL3 + * VINR3 + * VINL4 + * VINR4 + +The pins can be used in referring sound node's audio-routing property. + +Example: + + pcm186x: audio-codec@4a { + compatible = "ti,pcm1865"; + reg = <0x4a>; + + avdd-supply = <®_3v3_analog>; + dvdd-supply = <®_3v3>; + iovdd-supply = <®_1v8>; + }; |