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Diffstat (limited to 'Documentation/devicetree/bindings/sound/rt5640.txt')
-rw-r--r-- | Documentation/devicetree/bindings/sound/rt5640.txt | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt5640.txt b/Documentation/devicetree/bindings/sound/rt5640.txt deleted file mode 100644 index 0c398581d52b..000000000000 --- a/Documentation/devicetree/bindings/sound/rt5640.txt +++ /dev/null @@ -1,97 +0,0 @@ -RT5640/RT5639 audio CODEC - -This device supports I2C only. - -Required properties: - -- compatible : One of "realtek,rt5640" or "realtek,rt5639". - -- reg : The I2C address of the device. - -- interrupts : The CODEC's interrupt output. - -Optional properties: - -- clocks: The phandle of the master clock to the CODEC -- clock-names: Should be "mclk" - -- realtek,in1-differential -- realtek,in2-differential -- realtek,in3-differential - Boolean. Indicate MIC1/2/3 input are differential, rather than single-ended. - -- realtek,lout-differential - Boolean. Indicate LOUT output is differential, rather than stereo. - -- realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin. - -- realtek,dmic1-data-pin - 0: dmic1 is not used - 1: using IN1P pin as dmic1 data pin - 2: using GPIO3 pin as dmic1 data pin - -- realtek,dmic2-data-pin - 0: dmic2 is not used - 1: using IN1N pin as dmic2 data pin - 2: using GPIO4 pin as dmic2 data pin - -- realtek,jack-detect-source - u32. Valid values: - 0: jack-detect is not used - 1: Use GPIO1 for jack-detect - 2: Use JD1_IN4P for jack-detect - 3: Use JD2_IN4N for jack-detect - 4: Use GPIO2 for jack-detect - 5: Use GPIO3 for jack-detect - 6: Use GPIO4 for jack-detect - -- realtek,jack-detect-not-inverted - bool. Normal jack-detect switches give an inverted signal, set this bool - in the rare case you've a jack-detect switch which is not inverted. - -- realtek,over-current-threshold-microamp - u32, micbias over-current detection threshold in µA, valid values are - 600, 1500 and 2000µA. - -- realtek,over-current-scale-factor - u32, micbias over-current detection scale-factor, valid values are: - 0: Scale current by 0.5 - 1: Scale current by 0.75 - 2: Scale current by 1.0 - 3: Scale current by 1.5 - -Pins on the device (for linking into audio routes) for RT5639/RT5640: - - * DMIC1 - * DMIC2 - * MICBIAS1 - * IN1P - * IN1N - * IN2P - * IN2N - * IN3P - * IN3N - * HPOL - * HPOR - * LOUTL - * LOUTR - * SPOLP - * SPOLN - * SPORP - * SPORN - -Additional pins on the device for RT5640: - - * MONOP - * MONON - -Example: - -rt5640 { - compatible = "realtek,rt5640"; - reg = <0x1c>; - interrupt-parent = <&gpio>; - interrupts = <TEGRA_GPIO(W, 3) IRQ_TYPE_LEVEL_HIGH>; - realtek,ldo1-en-gpios = - <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>; -}; |