| Message ID | 20230313144028.3156825-3-neeraj.sanjaykale@nxp.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add support for NXP bluetooth chipsets | expand |
Dear Neeraj, Thank you for your patch. Am 13.03.23 um 15:40 schrieb Neeraj Sanjay Kale: > Add binding document for NXP bluetooth chipsets attached over UART. > > Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.com> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.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) > --- > .../net/bluetooth/nxp,88w8987-bt.yaml | 46 +++++++++++++++++++ > MAINTAINERS | 6 +++ > 2 files changed, 52 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..b913ca59b489 > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml > @@ -0,0 +1,46 @@ > +# 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. The verb is spelled with a space: wakes up the BT chip. You seem to break the line whenever a sentence ends. Is that intentional? > + > +maintainers: > + - Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.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@kvack.org > S: Maintained > F: mm/zswap.c > > +NXP BLUETOOTH WIRELESS DRIVERS > +M: Amitkumar Karwar <amitkumar.karwar@nxp.com> > +M: Neeraj Kale <neeraj.sanjaykale@nxp.com> > +S: Maintained > +F: Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml > + > THE REST > M: Linus Torvalds <torvalds@linux-foundation.org> > L: linux-kernel@vger.kernel.org
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..b913ca59b489 --- /dev/null +++ b/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml @@ -0,0 +1,46 @@ +# 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@nxp.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@kvack.org S: Maintained F: mm/zswap.c +NXP BLUETOOTH WIRELESS DRIVERS +M: Amitkumar Karwar <amitkumar.karwar@nxp.com> +M: Neeraj Kale <neeraj.sanjaykale@nxp.com> +S: Maintained +F: Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml + THE REST M: Linus Torvalds <torvalds@linux-foundation.org> L: linux-kernel@vger.kernel.org