From: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
This patch enables regulators for the Qualcomm Bluetooth wcn3990
controller.
Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
Changes in v11:
* removed entries of regulator currents.
Changes in v10:
* added entry for regulator currents
Changes in v9:
* updated with latest reg handle and names.
* updated max-speed definition.
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 | 26 +++++++++++++++++--
1 file changed, 24 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
index 0ea18a53cc29..2175174415ee 100644
--- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
+++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
@@ -10,12 +10,22 @@ 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 wcn3990 VDD_IO supply regulator handle.
+ - vddxo-supply: Bluetooth wcn3990 VDD_XO supply regulator handle.
+ - vddrf-supply: Bluetooth wcn3990 VDD_RF supply regulator handle.
+ - vddch0-supply: Bluetooth wcn3990 VDD_CH0 supply regulator handle.
+ - max-speed: see Documentation/devicetree/bindings/serial/slave-device.txt
+
+Examples:
serial@7570000 {
label = "BT-UART";
@@ -28,3 +38,15 @@ serial@7570000 {
clocks = <&divclk4>;
};
};
+
+serial@898000 {
+ bluetooth {
+ compatible = "qcom,wcn3990-bt";
+
+ vddio-supply = <&vreg_s4a_1p8>;
+ vddxo-supply = <&vreg_l7a_1p8>;
+ vddrf-supply = <&vreg_l17a_1p3>;
+ vddch0-supply = <&vreg_l25a_3p3>;
+ max-speed = <3200000>;
+ };
+};
--
2.17.1
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