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| author | Mark Brown <broonie@kernel.org> | 2017-09-01 13:12:16 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-09-01 13:12:16 +0200 |
| commit | ab99d9872e93e83fc2d992eeb8de7d9a128858eb (patch) | |
| tree | 49910d189623ffaab04dd5241e7eabe236053b16 /Documentation | |
| parent | Merge remote-tracking branches 'asoc/fix/arizona' and 'asoc/fix/mtk' into aso... (diff) | |
| parent | ASoC: codecs: msm8916-wcd-analog: always true condition (diff) | |
| download | linux-ab99d9872e93e83fc2d992eeb8de7d9a128858eb.tar.xz linux-ab99d9872e93e83fc2d992eeb8de7d9a128858eb.zip | |
Merge remote-tracking branch 'asoc/topic/msm8916' into asoc-next
Diffstat (limited to 'Documentation')
3 files changed, 66 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/sound/dmic.txt b/Documentation/devicetree/bindings/sound/dmic.txt new file mode 100644 index 000000000000..54c8ef6498a8 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/dmic.txt @@ -0,0 +1,16 @@ +Device-Tree bindings for Digital microphone (DMIC) codec + +This device support generic PDM digital microphone. + +Required properties: + - compatible: should be "dmic-codec". + +Optional properties: + - dmicen-gpios: GPIO specifier for dmic to control start and stop + +Example node: + + dmic_codec: dmic@0 { + compatible = "dmic-codec"; + dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>; + }; diff --git a/Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-analog.txt b/Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-analog.txt index ccb401cfef9d..551ecab67efe 100644 --- a/Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-analog.txt +++ b/Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-analog.txt @@ -31,8 +31,22 @@ Required properties - vdd-cdc-io-supply: phandle to VDD_CDC_IO regulator DT node. - vdd-cdc-tx-rx-cx-supply: phandle to VDD_CDC_TX/RX/CX regulator DT node. - vdd-micbias-supply: phandle of VDD_MICBIAS supply's regulator DT node. - Optional Properties: + - qcom,mbhc-vthreshold-low: Array of 5 threshold voltages in mV for 5 buttons + detection on headset when the mbhc is powered up + by internal current source, this is a low power. + - qcom,mbhc-vthreshold-high: Array of 5 thresold voltages in mV for 5 buttons + detection on headset when mbhc is powered up + from micbias. +- qcom,micbias-lvl: Voltage (mV) for Mic Bias +- qcom,hphl-jack-type-normally-open: boolean, present if hphl pin on jack is a + NO (Normally Open). If not specified, then + its assumed that hphl pin on jack is NC + (Normally Closed). +- qcom,gnd-jack-type-normally-open: boolean, present if gnd pin on jack is + NO (Normally Open). If not specified, then + its assumed that gnd pin on jack is NC + (Normally Closed). - qcom,micbias1-ext-cap: boolean, present if micbias1 has external capacitor connected. - qcom,micbias2-ext-cap: boolean, present if micbias2 has external capacitor @@ -48,6 +62,8 @@ spmi_bus { reg-names = "pmic-codec-core"; clocks = <&gcc GCC_CODEC_DIGCODEC_CLK>; clock-names = "mclk"; + qcom,mbhc-vthreshold-low = <75 150 237 450 500>; + qcom,mbhc-vthreshold-high = <75 150 237 450 500>; interrupt-parent = <&spmi_bus>; interrupts = <0x1 0xf0 0x0 IRQ_TYPE_NONE>, <0x1 0xf0 0x1 IRQ_TYPE_NONE>, diff --git a/Documentation/devicetree/bindings/sound/rt274.txt b/Documentation/devicetree/bindings/sound/rt274.txt new file mode 100644 index 000000000000..e9a6178c78cf --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rt274.txt @@ -0,0 +1,33 @@ +RT274 audio CODEC + +This device supports I2C only. + +Required properties: + +- compatible : "realtek,rt274". + +- reg : The I2C address of the device. + +Optional properties: + +- interrupts : The CODEC's interrupt output. + + +Pins on the device (for linking into audio routes) for RT274: + + * DMIC1 Pin + * DMIC2 Pin + * MIC + * LINE1 + * LINE2 + * HPO Pin + * SPDIF + * LINE3 + +Example: + +codec: rt274@1c { + compatible = "realtek,rt274"; + reg = <0x1c>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; +}; |