Re: [PATCH 1/2] dt-bindings: serial: Add MediaTek BTIF controller bindings

[Rob Herring]

On Thu, Aug 03, 2017 at 01:05:22AM +0800, sean.wang@xxxxxxxxxxxx wrote:
> From: Sean Wang <sean.wang@xxxxxxxxxxxx>
> 
> Document the devicetree bindings for MediaTek BTIF controller
> which could be found on MT7622 and MT7623 SoC.
> 
> Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/serial/mtk-btif.txt        | 26 ++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/serial/mtk-btif.txt
> 
> diff --git a/Documentation/devicetree/bindings/serial/mtk-btif.txt b/Documentation/devicetree/bindings/serial/mtk-btif.txt
> new file mode 100644
> index 0000000..80c1f5a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/serial/mtk-btif.txt
> @@ -0,0 +1,26 @@
> +Device-Tree bindings for MediaTek BTIF controller found on those
> +MediaTek SoCs with Bluetooth feature
> +
> +Required properties:
> +- compatible: Should be one of:
> +	- "mediatek,mt7622-btif" : for MT7622 SoC
> +	- "mediatek,mt7623-btif" : for MT7623 SoC
> +- reg: The base address of the BTIF register bank;
> +- interrupts: A single interrupt specifier;
> +- clocks: list of clock specifiers, corresponding to
> +	  entries in clock-names property;
> +- clock-names: should contain "main" entries.
> +
> +Optional properties:
> +- mediatek,loopback: Boolean; if defined, indicates that BTIF controller
> +	running on the loopback mode.

I don't think this belongs in DT, but should be a module param or sysfs 
control.

> +
> +Example:
> +
> +	btif: btif@1100c000 {

bluetooth@...

> +		compatible = "mediatek,mt7623-btif";
> +		reg = <0 0x1100c000 0 0x1000>;
> +		interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_LOW>;
> +		clocks = <&pericfg CLK_PERI_BTIF>;
> +		clock-names = "main";
> +	};
> -- 
> 2.7.4
>