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@xxxxxxxxx>
---
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 9bc05961577d..45003967406a 100644
--- a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
+++ b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
@@ -300,11 +300,30 @@ 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",
@@ -351,6 +370,11 @@ wlan_pwrseq: sdhci3-pwrseq {
};
};
+&adc {
+ vdd-supply = <&ldo3_reg>;
+ status = "okay";
+};
+
&bus_acp {
devfreq = <&bus_dmc>;
status = "okay";
--
2.45.2
