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Mon, 13 Feb 2023 14:55:33 +0000 From: Neeraj Sanjay Kale To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, marcel@holtmann.org, johan.hedberg@gmail.com, luiz.dentz@gmail.com, gregkh@linuxfoundation.org, jirislaby@kernel.org, alok.a.tiwari@oracle.com, hdanton@sina.com, ilpo.jarvinen@linux.intel.com, leon@kernel.org Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-serial@vger.kernel.org, amitkumar.karwar@nxp.com, rohit.fule@nxp.com, sherry.sun@nxp.com, neeraj.sanjaykale@nxp.com Subject: [PATCH v3 2/3] dt-bindings: net: bluetooth: Add NXP bluetooth support Date: Mon, 13 Feb 2023 20:24:31 +0530 Message-Id: <20230213145432.1192911-3-neeraj.sanjaykale@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230213145432.1192911-1-neeraj.sanjaykale@nxp.com> References: <20230213145432.1192911-1-neeraj.sanjaykale@nxp.com> X-ClientProxiedBy: AM3PR05CA0156.eurprd05.prod.outlook.com (2603:10a6:207:3::34) To AM9PR04MB8603.eurprd04.prod.outlook.com (2603:10a6:20b:43a::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM9PR04MB8603:EE_|PA4PR04MB9390:EE_ X-MS-Office365-Filtering-Correlation-Id: c334d28d-09c3-4c6b-dd63-08db0dd25b70 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Signed-off-by: Neeraj Sanjay Kale --- 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) --- .../bindings/net/bluetooth/nxp,w8xxx-bt.yaml | 44 +++++++++++++++++++ MAINTAINERS | 7 +++ 2 files changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/bluetooth/nxp,w8xxx-bt.yaml diff --git a/Documentation/devicetree/bindings/net/bluetooth/nxp,w8xxx-bt.yaml b/Documentation/devicetree/bindings/net/bluetooth/nxp,w8xxx-bt.yaml new file mode 100644 index 000000000000..2685f6d5904f --- /dev/null +++ b/Documentation/devicetree/bindings/net/bluetooth/nxp,w8xxx-bt.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/bluetooth/nxp-bluetooth.yaml# +$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, + except for iw612, which is a tri-radio chip supporting 15.4 + as well. + 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 + +properties: + compatible: + enum: + - nxp,88w8987-bt + - nxp,88w8997-bt + - nxp,88w9098-bt + - nxp,iw416-bt + - nxp,iw612-bt + +required: + - compatible + +additionalProperties: false + +examples: + - | + uart2 { + uart-has-rtscts; + bluetooth { + compatible = "nxp,iw416-bt"; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 32dd41574930..211fc667c0ec 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -22835,6 +22835,13 @@ L: linux-mm@kvack.org S: Maintained F: mm/zswap.c +NXP BLUETOOTH WIRELESS DRIVERS +M: Amitkumar Karwar +M: Neeraj Kale +S: Maintained +F: Documentation/devicetree/bindings/net/bluetooth/nxp-bluetooth.yaml +F: drivers/bluetooth/btnxpuart* + THE REST M: Linus Torvalds L: linux-kernel@vger.kernel.org