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Message-Id: <20251029-dt-bindings-qcom-bluetooth-v2-8-dd8709501ea1@linaro.org>
Date: Wed, 29 Oct 2025 08:43:58 +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>, Bartosz Golaszewski <brgl@...ev.pl>
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 v2 08/11] dt-bindings: bluetooth: qcom,wcn6855-bt: Split to
separate schema
One big Qualcomm Bluetooth schema is hardly manageable: it lists all
possible properties (19 supplies). Split qcom,wcn6855-bt to separate
bindings, so device schema will be easier to read/maintain and list only
relevant properties.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
Changes in v2:
1. Drop few supplies from qualcomm-bluetooth.yaml which are not used by
devices left there.
2. Add also Bartosz as maintainer because he was working with this
device in the past.
Expected existing warnings for:
qcs9100-ride-r3.dtb, qcs9100-ride.dtb, sa8775p-ride.dtb,
sa8775p-ride-r3.dtb, sc8280xp-microsoft-arcata*.dtb e.g.:
sc8280xp-microsoft-arcata.dtb: bluetooth (qcom,wcn6855-bt): 'vddaon-supply' is a required property
from schema $id: http://devicetree.org/schemas/net/bluetooth/qualcomm-bluetooth.yaml#
sc8280xp-microsoft-arcata.dtb: bluetooth (qcom,wcn6855-bt): 'vddwlcx-supply' is a required property
from schema $id: http://devicetree.org/schemas/net/bluetooth/qualcomm-bluetooth.yaml#
sc8280xp-microsoft-arcata.dtb: bluetooth (qcom,wcn6855-bt): 'vddwlmx-supply' is a required property
from schema $id: http://devicetree.org/schemas/net/bluetooth/qualcomm-bluetooth.yaml#
sc8280xp-microsoft-arcata.dtb: bluetooth (qcom,wcn6855-bt): 'vddbtcmx-supply' is a required property
from schema $id: http://devicetree.org/schemas/net/bluetooth/qualcomm-bluetooth.yaml#
sc8280xp-microsoft-arcata.dtb: bluetooth (qcom,wcn6855-bt): 'vddrfa1p8-supply' is a required property
---
.../bindings/net/bluetooth/qcom,wcn6855-bt.yaml | 94 ++++++++++++++++++++++
.../bindings/net/bluetooth/qualcomm-bluetooth.yaml | 26 ------
2 files changed, 94 insertions(+), 26 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/bluetooth/qcom,wcn6855-bt.yaml b/Documentation/devicetree/bindings/net/bluetooth/qcom,wcn6855-bt.yaml
new file mode 100644
index 000000000000..a4a887a4dde1
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/bluetooth/qcom,wcn6855-bt.yaml
@@ -0,0 +1,94 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/bluetooth/qcom,wcn6855-bt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm WCN6855 Bluetooth
+
+maintainers:
+ - Bartosz Golaszewski <brgl@...ev.pl>
+ - Balakrishna Godavarthi <quic_bgodavar@...cinc.com>
+ - Rocky Liao <quic_rjliao@...cinc.com>
+
+properties:
+ compatible:
+ enum:
+ - qcom,wcn6855-bt
+
+ enable-gpios:
+ maxItems: 1
+
+ swctrl-gpios:
+ maxItems: 1
+ description: gpio specifier is used to find status
+ of clock supply to SoC
+
+ vddaon-supply:
+ description: VDD_AON supply regulator handle
+
+ vddbtcmx-supply:
+ description: VDD_BT_CMX supply regulator handle
+
+ vddbtcxmx-supply:
+ description: VDD_BT_CXMX supply regulator handle
+
+ vddio-supply:
+ description: VDD_IO supply regulator handle
+
+ vddrfa0p8-supply:
+ description: VDD_RFA_0P8 supply regulator handle
+
+ vddrfa1p2-supply:
+ description: VDD_RFA_1P2 supply regulator handle
+
+ vddrfa1p7-supply:
+ description: VDD_RFA_1P7 supply regulator handle
+
+ vddrfa1p8-supply:
+ description: VDD_RFA_1P8 supply regulator handle
+
+ vddrfacmn-supply:
+ description: VDD_RFA_CMN supply regulator handle
+
+ vddwlcx-supply:
+ description: VDD_WLCX supply regulator handle
+
+ vddwlmx-supply:
+ description: VDD_WLMX supply regulator handle
+
+required:
+ - compatible
+ - vddaon-supply
+ - vddbtcmx-supply
+ - vddrfa0p8-supply
+ - vddrfa1p2-supply
+ - vddrfa1p8-supply
+ - vddrfacmn-supply
+ - vddwlcx-supply
+ - vddwlmx-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,wcn6855-bt";
+
+ max-speed = <3000000>;
+ vddaon-supply = <&vreg_pmu_aon_0p8>;
+ vddbtcmx-supply = <&vreg_pmu_btcmx_0p8>;
+ vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
+ vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
+ vddrfa1p8-supply = <&vreg_pmu_rfa_1p7>;
+ vddrfacmn-supply = <&vreg_pmu_rfa_cmn_0p8>;
+ vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
+ vddwlmx-supply = <&vreg_pmu_wlmx_0p8>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml b/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml
index 1ee97089e1d5..62d7cdb67a3a 100644
--- a/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml
+++ b/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml
@@ -16,7 +16,6 @@ description:
properties:
compatible:
enum:
- - qcom,wcn6855-bt
- qcom,wcn7850-bt
enable-gpios:
@@ -37,21 +36,12 @@ properties:
vdddig-supply:
description: VDD_DIG supply regulator handle
- vddbtcmx-supply:
- description: VDD_BT_CMX supply regulator handle
-
- vddbtcxmx-supply:
- description: VDD_BT_CXMX supply regulator handle
-
vddrfacmn-supply:
description: VDD_RFA_CMN supply regulator handle
vddrfa0p8-supply:
description: VDD_RFA_0P8 supply regulator handle
- vddrfa1p7-supply:
- description: VDD_RFA_1P7 supply regulator handle
-
vddrfa1p8-supply:
description: VDD_RFA_1P8 supply regulator handle
@@ -91,22 +81,6 @@ allOf:
- $ref: bluetooth-controller.yaml#
- $ref: /schemas/serial/serial-peripheral-props.yaml#
- - if:
- properties:
- compatible:
- contains:
- enum:
- - qcom,wcn6855-bt
- then:
- required:
- - vddrfacmn-supply
- - vddaon-supply
- - vddwlcx-supply
- - vddwlmx-supply
- - vddbtcmx-supply
- - vddrfa0p8-supply
- - vddrfa1p2-supply
- - vddrfa1p8-supply
- if:
properties:
compatible:
--
2.48.1
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