arm64: dts: qcom: msm8994-octagon: Add QCA6174 bluetooth

Configure and enable QCA6174 Bluetooth and required pins.

Signed-off-by: Gustave Monce <gustave.monce@outlook.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210131013853.55810-10-konrad.dybcio@somainline.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
index f89dfc6..1fa152a 100644 (file)
--- a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
@@ -45,6 +45,21 @@
                ranges;
        };
 
+       clocks {
+               compatible = "simple-bus";
+
+               divclk4: divclk4 {
+                       compatible = "fixed-clock";
+                       #clock-cells = <0>;
+
+                       clock-frequency = <32768>;
+                       clock-output-names = "divclk4";
+
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&divclk4_pin_a>;
+               };
+       };
+
        gpio-keys {
                compatible = "gpio-keys";
                input-name = "gpio-keys";
@@ -291,6 +306,35 @@
 
 &blsp2_uart2 {
        status = "okay";
+
+       qca6174_bt: bluetooth {
+               compatible = "qcom,qca6174-bt";
+
+               enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>;
+               clocks = <&divclk4>;
+       };
+};
+
+&pm8994_gpios {
+       bt_en_gpios: bt_en_gpios {
+               pinconf {
+                       pins = "gpio19";
+                       function = PMIC_GPIO_FUNC_NORMAL;
+                       output-low;
+                       power-source = <PM8994_GPIO_S4>;
+                       qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;
+                       bias-pull-down;
+               };
+       };
+
+       divclk4_pin_a: divclk4 {
+               pinconf {
+                       pins = "gpio18";
+                       function = PMIC_GPIO_FUNC_FUNC2;
+                       power-source = <PM8994_GPIO_S4>;
+                       bias-disable;
+               };
+       };
 };
 
 &pmi8994_spmi_regulators {