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Date: Tue, 14 Mar 2023 21:02:12 +0530
From: Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
To: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, marcel@...tmann.org,
johan.hedberg@...il.com, luiz.dentz@...il.com,
gregkh@...uxfoundation.org, jirislaby@...nel.org,
alok.a.tiwari@...cle.com, hdanton@...a.com,
ilpo.jarvinen@...ux.intel.com, leon@...nel.org,
simon.horman@...igine.com
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
linux-serial@...r.kernel.org, amitkumar.karwar@....com,
rohit.fule@....com, sherry.sun@....com, neeraj.sanjaykale@....com
Subject: [PATCH v11 3/4] dt-bindings: net: bluetooth: Add NXP bluetooth support
Add binding document for NXP bluetooth chipsets attached over UART.
Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
v2: Resolved dt_binding_check errors. (Rob Herring)
v2: Modified description, added specific compatibility devices, corrected
indentations. (Krzysztof Kozlowski)
v3: Modified description, renamed file (Krzysztof Kozlowski)
v4: Resolved dt_binding_check errors, corrected indentation.
(Rob Herring, Krzysztof Kozlowski)
v5: Corrected serial device name in example. (Krzysztof Kozlowski)
v11: Corrected grammatical errors in description. (Paul Menzel)
---
.../net/bluetooth/nxp,88w8987-bt.yaml | 45 +++++++++++++++++++
MAINTAINERS | 6 +++
2 files changed, 51 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml
diff --git a/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml b/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml
new file mode 100644
index 000000000000..57e4c87cb00b
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/bluetooth/nxp,88w8987-bt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP Bluetooth chips
+
+description:
+ This binding describes UART-attached NXP bluetooth chips. These chips
+ are dual-radio chips supporting WiFi and Bluetooth. The bluetooth
+ works on standard H4 protocol over 4-wire UART. The RTS and CTS lines
+ are used during FW download. To enable power save mode, the host
+ asserts break signal over UART-TX line to put the chip into power save
+ state. De-asserting break wakes up the BT chip.
+
+maintainers:
+ - Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
+
+properties:
+ compatible:
+ enum:
+ - nxp,88w8987-bt
+ - nxp,88w8997-bt
+
+ fw-init-baudrate:
+ description:
+ Chip baudrate after FW is downloaded and initialized.
+ This property depends on the module vendor's
+ configuration. If this property is not specified,
+ 115200 is set as default.
+
+required:
+ - compatible
+
+additionalProperties: false
+
+examples:
+ - |
+ serial {
+ bluetooth {
+ compatible = "nxp,88w8987-bt";
+ fw-init-baudrate = <3000000>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 32dd41574930..030ec6fe89df 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -22835,6 +22835,12 @@ L: linux-mm@...ck.org
S: Maintained
F: mm/zswap.c
+NXP BLUETOOTH WIRELESS DRIVERS
+M: Amitkumar Karwar <amitkumar.karwar@....com>
+M: Neeraj Kale <neeraj.sanjaykale@....com>
+S: Maintained
+F: Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml
+
THE REST
M: Linus Torvalds <torvalds@...ux-foundation.org>
L: linux-kernel@...r.kernel.org
--
2.34.1
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