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Message-Id: <20251028-dt-bindings-qcom-bluetooth-v1-6-524a978e3cda@linaro.org>
Date: Tue, 28 Oct 2025 16:31:55 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Marcel Holtmann <marcel@...tmann.org>,
Luiz Augusto von Dentz <luiz.dentz@...il.com>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Balakrishna Godavarthi <quic_bgodavar@...cinc.com>,
Rocky Liao <quic_rjliao@...cinc.com>
Cc: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-bluetooth@...r.kernel.org, devicetree@...r.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 06/12] dt-bindings: bluetooth: qcom,wcn3990-bt: Split to
separate schema
One big Qualcomm Bluetooth schema is hardly manageable: it lists all
possible properties (19 supplies). Split qcom,wcn3990-bt to separate
bindings, so device schema will be easier to read/maintain and list only
relevant properties.
This binding is very similar to qcom,wcn3950-bt, however devices have
additional VDD_CH1 supply.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
.../bindings/net/bluetooth/qcom,wcn3990-bt.yaml | 66 ++++++++++++++++++++++
.../bindings/net/bluetooth/qualcomm-bluetooth.yaml | 40 -------------
2 files changed, 66 insertions(+), 40 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/bluetooth/qcom,wcn3990-bt.yaml b/Documentation/devicetree/bindings/net/bluetooth/qcom,wcn3990-bt.yaml
new file mode 100644
index 000000000000..89ceb1f7def0
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/bluetooth/qcom,wcn3990-bt.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/bluetooth/qcom,wcn3990-bt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm WCN3990/WCN3991/WCN3998 Bluetooth
+
+maintainers:
+ - Balakrishna Godavarthi <quic_bgodavar@...cinc.com>
+ - Rocky Liao <quic_rjliao@...cinc.com>
+
+properties:
+ compatible:
+ enum:
+ - qcom,wcn3990-bt
+ - qcom,wcn3991-bt
+ - qcom,wcn3998-bt
+
+ clocks:
+ items:
+ - description: External low-power 32.768 kHz clock input
+
+ vddch0-supply:
+ description: VDD_CH0 supply regulator handle
+
+ vddch1-supply:
+ description: VDD_CH1 supply regulator handle
+
+ vddio-supply:
+ description: VDD_IO supply regulator handle
+
+ vddrf-supply:
+ description: VDD_RF supply regulator handle
+
+ vddxo-supply:
+ description: VDD_XO supply regulator handle
+
+required:
+ - compatible
+ - vddch0-supply
+ - vddio-supply
+ - vddrf-supply
+ - vddxo-supply
+
+allOf:
+ - $ref: bluetooth-controller.yaml#
+ - $ref: qcom,bluetooth-common.yaml
+ - $ref: /schemas/serial/serial-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ serial {
+ bluetooth {
+ compatible = "qcom,wcn3990-bt";
+ firmware-name = "crnv21.bin";
+ max-speed = <3200000>;
+ vddio-supply = <&vreg_s4a_1p8>;
+ vddch0-supply = <&vreg_l25a_3p3>;
+ vddch1-supply = <&vreg_l23a_3p3>;
+ vddrf-supply = <&vreg_l17a_1p3>;
+ vddxo-supply = <&vreg_l7a_1p8>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml b/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml
index 0a532144f92e..93b5e0e38c37 100644
--- a/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml
+++ b/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml
@@ -16,9 +16,6 @@ description:
properties:
compatible:
enum:
- - qcom,wcn3990-bt
- - qcom,wcn3991-bt
- - qcom,wcn3998-bt
- qcom,wcn6750-bt
- qcom,wcn6855-bt
- qcom,wcn7850-bt
@@ -42,15 +39,6 @@ properties:
vddxo-supply:
description: VDD_XO supply regulator handle
- vddrf-supply:
- description: VDD_RF supply regulator handle
-
- vddch0-supply:
- description: VDD_CH0 supply regulator handle
-
- vddch1-supply:
- description: VDD_CH1 supply regulator handle
-
vddaon-supply:
description: VDD_AON supply regulator handle
@@ -117,21 +105,6 @@ allOf:
- $ref: bluetooth-controller.yaml#
- $ref: /schemas/serial/serial-peripheral-props.yaml#
- - if:
- properties:
- compatible:
- contains:
- enum:
- - qcom,wcn3990-bt
- - qcom,wcn3991-bt
- - qcom,wcn3998-bt
- then:
- required:
- - vddio-supply
- - vddxo-supply
- - vddrf-supply
- - vddch0-supply
-
- if:
properties:
compatible:
@@ -181,19 +154,6 @@ examples:
- |
serial {
- 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>;
- firmware-name = "crnv21.bin";
- };
- };
- - |
- serial {
-
bluetooth {
compatible = "qcom,wcn6750-bt";
pinctrl-names = "default";
--
2.48.1
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