[PATCH v8 1/7] dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn3990
From: Balakrishna Godavarthi <hidden>
Date: 2018-06-25 13:42:53
Also in:
linux-arm-msm, linux-bluetooth, lkml
Subsystem:
networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch enables regulators for the Qualcomm Bluetooth wcn3990
controller.
Signed-off-by: Balakrishna Godavarthi <redacted>
---
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>; + }; +};
--
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