Hi Sean,
> Add binding document for a SoC built-in device using MediaTek protocol.
> Which could be found on MT7622 SoC or other similar MediaTek SoCs.
>
> Signed-off-by: Sean Wang <[email protected]>
> Reviewed-by: Rob Herring <[email protected]>
> ---
> .../devicetree/bindings/net/mediatek-bluetooth.txt | 35 ++++++++++++++++++++++
> 1 file changed, 35 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
>
> diff --git a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
> b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
> new file mode 100644
> index 0000000..1335429
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
> @@ -0,0 +1,35 @@
> +MediaTek SoC built-in Bluetooth Devices
> +==================================
> +
> +This device is a serial attached device to BTIF device and thus it must be a
> +child node of the serial node with BTIF. The dt-bindings details for BTIF
> +device can be known via Documentation/devicetree/bindings/serial/8250.txt.
> +
> +Required properties:
> +
> +- compatible: Must be one of
> + "mediatek,mt7622-bluetooth"": for MT7622 SoC
this does not match with the example below. And one of, should be normally be a
list.
> +- clocks: Should be the clock specifiers corresponding to the entry in
> + clock-names property.
> +- clock-names: Should contain "ref" entries.
> +- power-domains: Phandle to the power domain that the device is part of
> +
> +Example:
> +
> + btif: serial@1100c000 {
> + compatible = "mediatek,mt7622-btif",
> + "mediatek,mtk-btif";
> + reg = <0 0x1100c000 0 0x1000>;
> + interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&pericfg CLK_PERI_BTIF_PD>;
> + clock-names = "main";
> + reg-shift = <2>;
> + reg-io-width = <4>;
> +
> + bluetooth {
> + compatible = "mediatek,mt7622-bluetooth";
> + power-domains = <&scpsys MT7622_POWER_DOMAIN_WB>;
> + clocks = <&clk25m>;
> + clock-names = "ref";
> + };
> + };
Regards
Marcel
