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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>
authored by
Hans de Goede
and committed by
Mark Brown
e9e7a3bd
8e7a1f1f
+60
+35
Documentation/devicetree/bindings/sound/rt5640.txt
+35
Documentation/devicetree/bindings/sound/rt5640.txt
···
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- realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin.
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- realtek,dmic1-data-pin
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0: dmic1 is not used
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1: using IN1P pin as dmic1 data pin
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2: using GPIO3 pin as dmic1 data pin
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- realtek,dmic2-data-pin
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0: dmic2 is not used
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1: using IN1N pin as dmic2 data pin
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2: using GPIO4 pin as dmic2 data pin
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- realtek,jack-detect-source
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u32. Valid values:
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0: jack-detect is not used
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1: Use GPIO1 for jack-detect
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2: Use JD1_IN4P for jack-detect
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3: Use JD2_IN4N for jack-detect
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4: Use GPIO2 for jack-detect
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5: Use GPIO3 for jack-detect
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6: Use GPIO4 for jack-detect
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- realtek,jack-detect-not-inverted
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bool. Normal jack-detect switches give an inverted signal, set this bool
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in the rare case you've a jack-detect switch which is not inverted.
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- realtek,over-current-threshold-microamp
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u32, micbias over-current detection threshold in µA, valid values are
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600, 1500 and 2000µA.
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- realtek,over-current-scale-factor
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u32, micbias over-current detection scale-factor, valid values are:
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0: Scale current by 0.5
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1: Scale current by 0.75
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2: Scale current by 1.0
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3: Scale current by 1.5
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Pins on the device (for linking into audio routes) for RT5639/RT5640:
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* DMIC1
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include/dt-bindings/sound/rt5640.h
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include/dt-bindings/sound/rt5640.h
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __DT_RT5640_H
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#define __DT_RT5640_H
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#define RT5640_DMIC1_DATA_PIN_NONE 0
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#define RT5640_DMIC1_DATA_PIN_IN1P 1
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#define RT5640_DMIC1_DATA_PIN_GPIO3 2
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#define RT5640_DMIC2_DATA_PIN_NONE 0
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#define RT5640_DMIC2_DATA_PIN_IN1N 1
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#define RT5640_DMIC2_DATA_PIN_GPIO4 2
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#define RT5640_JD_SRC_GPIO1 1
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#define RT5640_JD_SRC_JD1_IN4P 2
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#define RT5640_JD_SRC_JD2_IN4N 3
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#define RT5640_JD_SRC_GPIO2 4
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#define RT5640_JD_SRC_GPIO3 5
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#define RT5640_JD_SRC_GPIO4 6
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#define RT5640_OVCD_SF_0P5 0
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#define RT5640_OVCD_SF_0P75 1
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#define RT5640_OVCD_SF_1P0 2
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#define RT5640_OVCD_SF_1P5 3
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#endif /* __DT_RT5640_H */