Set up headset mic bias regulator and add the necessary properties to the samsung,midas-audio node to allow for headset jack detection.
Signed-off-by: Artur Weber aweber.kernel@gmail.com --- Changes in v2: - Added headset mic bias regulator - Added samsung prefix to threshold properties - Dropped wm1811 config changes --- arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi index e5254e32aa8f..8dc81112172c 100644 --- a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi +++ b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi @@ -294,11 +294,30 @@ submic_bias_reg: voltage-regulator-5 { regulator-max-microvolt = <2800000>; };
+ earmic_bias_reg: voltage-regulator-6 { + compatible = "regulator-fixed"; + regulator-name = "EAR_MICBIAS_LDO_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + gpio = <&gpm0 0 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + sound: sound { compatible = "samsung,midas-audio"; model = "TAB3"; mic-bias-supply = <&mic_bias_reg>; submic-bias-supply = <&submic_bias_reg>; + headset-mic-bias-supply = <&earmic_bias_reg>; + + lineout-sel-gpios = <&gpj1 2 GPIO_ACTIVE_HIGH>; + + headset-detect-gpios = <&gpx0 4 GPIO_ACTIVE_LOW>; + headset-key-gpios = <&gpx3 6 GPIO_ACTIVE_LOW>; + samsung,headset-4pole-threshold-microvolt = <710 2000>; + samsung,headset-button-threshold-microvolt = <0 130 260>; + io-channel-names = "headset-detect"; + io-channels = <&adc 0>;
audio-routing = "HP", "HPOUT1L", "HP", "HPOUT1R", @@ -345,6 +364,11 @@ wlan_pwrseq: sdhci3-pwrseq { }; };
+&adc { + vdd-supply = <&ldo3_reg>; + status = "okay"; +}; + &bus_acp { devfreq = <&bus_dmc>; status = "okay";