Hi Rob,
> Update binding document with adding support of MT7663U and MT7668U UART
> devices to mediatek-bluetooth.
>
> Signed-off-by: Sean Wang
> ---
> .../bindings/net/mediatek-bluetooth.txt | 64 +++
> 1 file changed, 64 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
> b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
> index 14ceb2a5b4e8..41a7dcc80f5b 100644
> --- a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
> +++ b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
> @@ -33,3 +33,67 @@ Example:
> clock-names = "ref";
> };
> };
> +
> +MediaTek UART based Bluetooth Devices
> +==
> +
> +This device is a serial attached device to UART device and thus it must be a
> +child node of the serial node with UART.
> +
> +Please refer to the following documents for generic properties:
> +
> + Documentation/devicetree/bindings/serial/slave-device.txt
> +
> +Required properties:
> +
> +- compatible:Must be
> + "mediatek,mt7663u-bluetooth": for MT7663U device
> + "mediatek,mt7668u-bluetooth": for MT7668U device
> +- vcc-supply:Main voltage regulator
> +- pinctrl-names: Should be "default", "runtime"
> +- pinctrl-0: Should contain UART RXD low when the device is powered up to
> + enter proper bootstrap mode.
> +- pinctrl-1: Should contain UART mode pin ctrl
> +
> +Optional properties:
> +
> +- reset-gpios: GPIO used to reset the device whose initial state keeps
> low,
> + if the GPIO is missing, then board-level design should be
> + guaranteed.
> +- current-speed: Current baud rate of the device whose defaults to 921600
> +
> +Example:
> +
> + uart1_pins_boot: uart1-default {
> + pins-dat {
> + pinmux = ;
> + output-low;
> + };
> + };
> +
> + uart1_pins_runtime: uart1-runtime {
> + pins-dat {
> + pinmux = ,
> + ;
> + };
> + };
> +
> + uart1: serial@11003000 {
> + compatible = "mediatek,mt7623-uart",
> + "mediatek,mt6577-uart";
> + reg = <0 0x11003000 0 0x400>;
> + interrupts = ;
> + clocks = <&pericfg CLK_PERI_UART1_SEL>,
> + <&pericfg CLK_PERI_UART1>;
> + clock-names = "baud", "bus";
> +
> + bluetooth {
> + compatible = "mediatek,mt7663u-bluetooth";
> + vcc-supply = <®_5v>;
> + reset-gpios = <&pio 24 GPIO_ACTIVE_LOW>;
> + pinctrl-names = "default", "runtime";
> + pinctrl-0 = <&uart1_pins_boot>;
> + pinctrl-1 = <&uart1_pins_runtime>;
> + current-speed = <921600>;
> + };
> + };
can you ACK this please.
Regards
Marcel
