The rtl_bt driver already supports some Realtek controllers on ACPI platforms. This commit adds bindings for DT-only platforms. Signed-off-by: Hugo Grostabussiat <bonstra@xxxxxxxxxxxxxxxxx> --- .../bindings/net/realtek-bluetooth.yaml | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/realtek-bluetooth.yaml diff --git a/Documentation/devicetree/bindings/net/realtek-bluetooth.yaml b/Documentation/devicetree/bindings/net/realtek-bluetooth.yaml new file mode 100644 index 000000000000..6b62e5132c90 --- /dev/null +++ b/Documentation/devicetree/bindings/net/realtek-bluetooth.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/realtek-bluetooth.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Realtek Bluetooth controllers device tree bindings + +description: | + Device tree bindings for serial attached Realtek Bluetooth controllers. + +maintainers: + - Marcel Holtmann <marcel@xxxxxxxxxxxx> + - Johan Hedberg <johan.hedberg@xxxxxxxxx> + +properties: + compatible: + items: + - const: realtek,rt8723bs-bt + + powerdown-gpios: + description: GPIO line controlling the power down (BT_DIS#) signal + maxItems: 1 + + device-wake-gpios: + description: GPIO line controlling the device wakeup (BT_WAKE) signal + maxItems: 1 + + host-wake-gpios: + description: GPIO line sampling the host wakeup (BT_HOST_WAKE) signal + maxItems: 1 + + firmware-name: + description: | + Name of the configuration file to load in addition to firmware + $ref: http://devicetree.org/schemas/types.yaml#/definitions/string + +required: + - compatible + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + uart1 { + bluetooth { + compatible = "realtek,rtl8723bs-bt"; + powerdown-gpios = <&r_pio 0 4 GPIO_ACTIVE_LOW>; + host-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; + device-wake-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; + firmware-name = "rtl8723bs_config-teres_a64_i.bin"; + }; + }; -- 2.24.0