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 --- .../devicetree/bindings/sound/rt5640.txt | 35 +++++++++++++++++++ include/dt-bindings/sound/rt5640.h | 25 +++++++++++++ 2 files changed, 60 insertions(+) create mode 100644 include/dt-bindings/sound/rt5640.h
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 diff --git a/include/dt-bindings/sound/rt5640.h b/include/dt-bindings/sound/rt5640.h new file mode 100644 index 000000000000..154c9b4414f2 --- /dev/null +++ b/include/dt-bindings/sound/rt5640.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __DT_RT5640_H +#define __DT_RT5640_H + +#define RT5640_DMIC1_DATA_PIN_NONE 0 +#define RT5640_DMIC1_DATA_PIN_IN1P 1 +#define RT5640_DMIC1_DATA_PIN_GPIO3 2 + +#define RT5640_DMIC2_DATA_PIN_NONE 0 +#define RT5640_DMIC2_DATA_PIN_IN1N 1 +#define RT5640_DMIC2_DATA_PIN_GPIO4 2 + +#define RT5640_JD_SRC_GPIO1 1 +#define RT5640_JD_SRC_JD1_IN4P 2 +#define RT5640_JD_SRC_JD2_IN4N 3 +#define RT5640_JD_SRC_GPIO2 4 +#define RT5640_JD_SRC_GPIO3 5 +#define RT5640_JD_SRC_GPIO4 6 + +#define RT5640_OVCD_SF_0P5 0 +#define RT5640_OVCD_SF_0P75 1 +#define RT5640_OVCD_SF_1P0 2 +#define RT5640_OVCD_SF_1P5 3 + +#endif /* __DT_RT5640_H */