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| author | Hans de Goede <hdegoede@redhat.com> | 2018-05-08 18:35:47 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-05-11 05:22:03 +0300 |
| commit | e9e7a3bdcdf41efe9137dcf225b021e0b6fd2dc3 (patch) | |
| tree | 47da7584d21c002cacf9ac1d85c3f18772494481 /Documentation/devicetree/bindings/sound/rt5640.txt | |
| parent | 8e7a1f1f177fef28cbd5edc663044b8946d08ab2 (diff) | |
| download | linux-e9e7a3bdcdf41efe9137dcf225b021e0b6fd2dc3.tar.xz | |
ASoC: rt5640: Add devicetree-bindings for dmic, jack-detect
Add devicetree-bindings for the dmic, jack-detect source and overcurrent-
detect threshold settings.
The dmic bindings mirror the existing bindings for the rt5645.
The jd-src and ovcd bindings mirror the existing bindings for the rt5651.
Cc devicetree@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/rt5640.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/rt5640.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt5640.txt b/Documentation/devicetree/bindings/sound/rt5640.txt index 57fe64643050..e40e4893eed8 100644 --- a/Documentation/devicetree/bindings/sound/rt5640.txt +++ b/Documentation/devicetree/bindings/sound/rt5640.txt @@ -22,6 +22,41 @@ Optional properties: - 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 |