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Diffstat (limited to 'kernel/Documentation/devicetree/bindings/sound/sgtl5000.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/sound/sgtl5000.txt | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/sound/sgtl5000.txt b/kernel/Documentation/devicetree/bindings/sound/sgtl5000.txt new file mode 100644 index 000000000..0e5e4eb3e --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/sound/sgtl5000.txt @@ -0,0 +1,39 @@ +* Freescale SGTL5000 Stereo Codec + +Required properties: +- compatible : "fsl,sgtl5000". + +- reg : the I2C address of the device + +- clocks : the clock provider of SYS_MCLK + +- micbias-resistor-k-ohms : the bias resistor to be used in kOmhs + The resistor can take values of 2k, 4k or 8k. + If set to 0 it will be off. + If this node is not mentioned or if the value is unknown, then + micbias resistor is set to 4K. + +- micbias-voltage-m-volts : the bias voltage to be used in mVolts + The voltage can take values from 1.25V to 3V by 250mV steps + If this node is not mentionned or the value is unknown, then + the value is set to 1.25V. + +- VDDA-supply : the regulator provider of VDDA + +- VDDIO-supply: the regulator provider of VDDIO + +Optional properties: + +- VDDD-supply : the regulator provider of VDDD + +Example: + +codec: sgtl5000@0a { + compatible = "fsl,sgtl5000"; + reg = <0x0a>; + clocks = <&clks 150>; + micbias-resistor-k-ohms = <2>; + micbias-voltage-m-volts = <2250>; + VDDA-supply = <®_3p3v>; + VDDIO-supply = <®_3p3v>; +}; |