On Fri, Nov 17, 2017 at 11:35:43PM +0100, Martin Blumenstingl wrote:
> This adds the documentation for Bluetooth functionality of the Realtek
> RTL8723BS and RTL8723DS.
> Both are SDIO wifi chips with an additional Bluetooth module which is
> connected via UART to the host.
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/net/realtek-bluetooth.txt | 31 ++++++++++++++++++++++
> 1 file changed, 31 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/net/realtek-bluetooth.txt
>
> diff --git a/Documentation/devicetree/bindings/net/realtek-bluetooth.txt b/Documentation/devicetree/bindings/net/realtek-bluetooth.txt
> new file mode 100644
> index 000000000000..c919e06469f8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/realtek-bluetooth.txt
> @@ -0,0 +1,31 @@
> +Realtek Bluetooth Chips
> +-----------------------
> +
> +This documents the binding structure and common properties for serial
> +attached Realtek devices.
> +
> +Serial attached Realtek devices shall be a child node of the host UART
> +device the slave device is attached to. See ../serial/slave-device.txt
> +for more information
> +
> +Required properties:
> +- compatible: should contain one of the following:
> + * "realtek,rtl8723bs-bluetooth"
> + * "realtek,rtl8723ds-bluetooth"
> +
> +Optional properties:
> +- disable-gpios: GPIO specifier, used to enable/disable the BT module
We generally use 'enable-gpios' or 'powerdown-gpios' even if the h/w
name is somewhat different.
> +- reset-gpios: GPIO specifier, used to reset the BT module
> +
> +
> +Example:
> +
> +&uart {
> + ...
> +
> + bluetooth {
> + compatible = "realtek,rtl8723bs-bluetooth";
> + disable-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
> + reset-gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
> + };
> +};
> --
> 2.15.0
>
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