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Tue, 7 Apr 2020 01:58:43 -0400 (EDT) From: Alistair Francis To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, mripard@kernel.org, wens@csie.org Cc: anarsoul@gmail.com, devicetree@vger.kernel.org, alistair23@gmail.com, linux-arm-kernel@lists.infradead.org, Alistair Francis Subject: [PATCH v2 1/3] dt-bindings: net: bluetooth: Add rtl8723bs-bluetooth Date: Mon, 6 Apr 2020 22:58:35 -0700 Message-Id: <20200407055837.3508017-1-alistair@alistair23.me> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Vasily Khoruzhick Add binding document for bluetooth part of RTL8723BS/RTL8723CS Signed-off-by: Vasily Khoruzhick Signed-off-by: Alistair Francis --- v2: - Update bindings based on upstream feedback - Add RTL8822CS - Remove unused/unsupported fields - Remove firmware-postfix field - Small formatting changes .../bindings/net/realtek,rtl8723bs-bt.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/realtek,rtl8723bs-bt.yaml diff --git a/Documentation/devicetree/bindings/net/realtek,rtl8723bs-bt.yaml b/Documentation/devicetree/bindings/net/realtek,rtl8723bs-bt.yaml new file mode 100644 index 000000000000..a03ce1bbc56f --- /dev/null +++ b/Documentation/devicetree/bindings/net/realtek,rtl8723bs-bt.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/realtek,rtl8723bs-bt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: RTL8723BS/RTL8723CS/RTL8822CS Bluetooth Device Tree Bindings + +maintainers: + - Vasily Khoruzhick + - Alistair Francis + +description: + RTL8723CS/RTL8723CS/RTL8822CS is WiFi + BT chip. WiFi part is connected over + SDIO, while BT is connected over serial. It speaks H5 protocol with few + extra commands to upload firmware and change module speed. + +properties: + compatible: + oneOf: + - "realtek,rtl8723bs-bt" + - "realtek,rtl8723cs-bt" + - "realtek,rtl8822cs-bt" + + device-wake-gpios: + maxItems: 1 + description: + GPIO specifier, used to wakeup the BT module + + enable-gpios: + maxItems: 1 + description: + GPIO specifier, used to enable the BT module + + host-wake-gpios: + maxItems: 1 + desciption: + GPIO specifier, used to wakeup the host processor + +required: + - compatible + +examples: + - | + &uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>; + uart-has-rtscts = <1>; + + bluetooth { + compatible = "realtek,rtl8723bs-bt"; + device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */ + host-wakeup-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */ + }; + };