This patch enables regulators for the Qualcomm Bluetooth wcn3990
controller.
Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
---
Changes in v8:
* Separated the optional entries between two chips
Changes in v7:
* no change.
Changes in v6:
* Changed the oper-speed to max-speed.
Changes in v5:
* Added entry for oper-speed and init-speed.
---
.../bindings/net/qualcomm-bluetooth.txt | 30 +++++++++++++++++--
1 file changed, 28 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
index 0ea18a53cc29..c2b09dd2bf31 100644
--- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
+++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
@@ -10,12 +10,23 @@ device the slave device is attached to.
Required properties:
- compatible: should contain one of the following:
* "qcom,qca6174-bt"
+ * "qcom,wcn3990-bt"
+
+Optional properties for compatible string qcom,qca6174-bt:
-Optional properties:
- enable-gpios: gpio specifier used to enable chip
- clocks: clock provided to the controller (SUSCLK_32KHZ)
-Example:
+Optional properties for compatible string qcom,wcn3990-bt:
+
+ - vddio-supply: Bluetooth VDD IO regulator handle.
+ - vddxtal-supply: Bluetooth VDD XTAL regulator handle.
+ - vddpa-supply: Bluetooth VDD PA regulator handle.
+ - vddldo-supply: Bluetooth VDD LDO regulator handle.
+ - vddcore-supply: Bluetooth VDD CORE regulator handle.
+ - max-speed: Maximum operating speed of the chip.
+
+Examples:
serial@7570000 {
label = "BT-UART";
@@ -28,3 +39,18 @@ serial@7570000 {
clocks = <&divclk4>;
};
};
+
+serial@898000 {
+ label = "BT-UART";
+ status = "okay";
+
+ bluetooth {
+ compatible = "qcom,wcn3990-bt";
+ vddio-supply = <&pm8998_s3>;
+ vddxtal-supply = <&pm8998_s5>;
+ vddcore-supply = <&pm8998_l7>;
+ vddpa-supply = <&pm8998_l17>;
+ vddldo-supply = <&pm8998_l25>;
+ max-speed = <3200000>;
+ };
+};
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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