ARM: dts: msm: Add pinctrl device nodes for HiFi amplifier on MSM8998

HiFi amplifier uses lineout path in the codec to be routed to
headphone amplifiers. This routing needs two gpios to be
toggled. Add pinctrl device nodes to control gpios for
HiFi amplifier usecase.

Change-Id: I8d34eecd562ab50a8ec89f241406092d1b763a9a
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>

diff --git a/arch/arm/boot/dts/qcom/msm8998-audio.dtsi b/arch/arm/boot/dts/qcom/msm8998-audio.dtsi
index 506e37c..a9aeab4 100644 (file)
--- a/arch/arm/boot/dts/qcom/msm8998-audio.dtsi
+++ b/arch/arm/boot/dts/qcom/msm8998-audio.dtsi
@@ -53,6 +53,8 @@
                        "AIF4 VI", "MCLK",
                        "RX_BIAS", "MCLK",
                        "MADINPUT", "MCLK",
+                       "hifi amp", "LINEOUT1",
+                       "hifi amp", "LINEOUT2",
                        "AMIC2", "MIC BIAS2",
                        "MIC BIAS2", "Headset Mic",
                        "AMIC3", "MIC BIAS2",
@@ -81,6 +83,8 @@
                qcom,msm-mbhc-hphl-swh = <0>;
                qcom,msm-mbhc-gnd-swh = <0>;
                qcom,us-euro-gpios = <&wcd_us_euro_gpio>;
+               qcom,hph-en0-gpio = <&hph_en0_gpio>;
+               qcom,hph-en1-gpio = <&hph_en1_gpio>;
                qcom,tasha-mclk-clk-freq = <9600000>;
                asoc-platform = <&pcm0>, <&pcm1>, <&pcm2>, <&voip>, <&voice>,
                                <&loopback>, <&compress>, <&hostless>,
@@ -142,6 +146,20 @@
                                <&wsa881x_213>, <&wsa881x_214>;
                qcom,wsa-aux-dev-prefix = "SpkrLeft", "SpkrRight",
                                          "SpkrLeft", "SpkrRight";
+
+               hph_en0_gpio: msm_cdc_pinctrl@67 {
+                       compatible = "qcom,msm-cdc-pinctrl";
+                       pinctrl-names = "aud_active", "aud_sleep";
+                       pinctrl-0 = <&hph_en0_active>;
+                       pinctrl-1 = <&hph_en0_idle>;
+               };
+
+               hph_en1_gpio: msm_cdc_pinctrl@68 {
+                       compatible = "qcom,msm-cdc-pinctrl";
+                       pinctrl-names = "aud_active", "aud_sleep";
+                       pinctrl-0 = <&hph_en1_active>;
+                       pinctrl-1 = <&hph_en1_idle>;
+               };
        };
 
        sound-tavil {
@@ -165,6 +183,8 @@
                qcom,audio-routing =
                        "RX_BIAS", "MCLK",
                        "MADINPUT", "MCLK",
+                       "hifi amp", "LINEOUT1",
+                       "hifi amp", "LINEOUT2",
                        "AMIC2", "MIC BIAS2",
                        "MIC BIAS2", "Headset Mic",
                        "AMIC3", "MIC BIAS2",

diff --git a/arch/arm/boot/dts/qcom/msm8998-pinctrl.dtsi b/arch/arm/boot/dts/qcom/msm8998-pinctrl.dtsi
index 5685e90..b48321a 100644 (file)
--- a/arch/arm/boot/dts/qcom/msm8998-pinctrl.dtsi
+++ b/arch/arm/boot/dts/qcom/msm8998-pinctrl.dtsi
@@ -587,6 +587,60 @@
                        };
                };
 
+               hph_en0_ctrl {
+                       hph_en0_idle: hph_en0_idle {
+                               mux {
+                                       pins = "gpio67";
+                                       function = "gpio";
+                               };
+                               config {
+                                       pins = "gpio67";
+                                       drive-strength = <2>;
+                                       bias-pull-down;
+                                       output-low;
+                               };
+                       };
+                       hph_en0_active: hph_en0_active {
+                               mux {
+                                       pins = "gpio67";
+                                       function = "gpio";
+                               };
+                               config {
+                                       pins = "gpio67";
+                                       drive-strength = <2>;
+                                       bias-disable;
+                                       output-high;
+                               };
+                       };
+               };
+
+               hph_en1_ctrl {
+                       hph_en1_idle: hph_en1_idle {
+                               mux {
+                                       pins = "gpio68";
+                                       function = "gpio";
+                               };
+                               config {
+                                       pins = "gpio68";
+                                       drive-strength = <2>;
+                                       bias-pull-down;
+                                       output-low;
+                               };
+                       };
+                       hph_en1_active: hph_en1_active {
+                               mux {
+                                       pins = "gpio68";
+                                       function = "gpio";
+                               };
+                               config {
+                                       pins = "gpio68";
+                                       drive-strength = <2>;
+                                       bias-disable;
+                                       output-high;
+                               };
+                       };
+               };
+
                wcd_gnd_mic_swap {
                        wcd_gnd_mic_swap_idle: wcd_gnd_mic_swap_idle {
                                mux {