[PATCH 09/18] arm64: dts: qcom: msm8994-octagon: Add QCA6174 bluetooth

From: Konrad Dybcio
Date: Sat Jan 30 2021 - 20:44:59 EST


From: Gustave Monce <gustave.monce@xxxxxxxxxxx>

Configure and enable QCA6174 Bluetooth and required pins.

Signed-off-by: Gustave Monce <gustave.monce@xxxxxxxxxxx>
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
---
.../dts/qcom/msm8994-msft-lumia-octagon.dtsi | 44 +++++++++++++++++++
1 file changed, 44 insertions(+)

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 b8d89d64e2f1..78443f5a3881 100644
--- 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 @@ chosen {
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 @@ &blsp1_uart2 {

&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 {
--
2.30.0