Re: [PATCH v13 1/7] dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn3990

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On Fri, Aug 03, 2018 at 12:37:26AM +0530, Balakrishna Godavarthi wrote:
> This patch enables regulators for the Qualcomm Bluetooth wcn3990
> controller.
> 
> Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> ---
> Changes in v13:
>  * Segregated optional and required properties for wcn3990.
> ---
>  .../bindings/net/qualcomm-bluetooth.txt       | 29 +++++++++++++++++--
>  1 file changed, 27 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> index 0ea18a53cc29..824c0e23c544 100644
> --- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> +++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> @@ -10,12 +10,25 @@ device the slave device is attached to.
>  Required properties:
>   - compatible: should contain one of the following:
>     * "qcom,qca6174-bt"
> +   * "qcom,wcn3990-bt"
> +
> +Optional properties for compatible string qcom,qca6174-bt:
>  
> -Optional properties:
>   - enable-gpios: gpio specifier used to enable chip
>   - clocks: clock provided to the controller (SUSCLK_32KHZ)
>  
> -Example:
> +Required properties for compatible string qcom,wcn3990-bt:
> +
> + - vddio-supply: VDD_IO supply regulator handle.
> + - vddxo-supply: VDD_XO supply regulator handle.
> + - vddrf-supply: VDD_RF supply regulator handle.
> + - vddch0-supply: VDD_CH0 supply regulator handle.
> +
> +Optional properties for compatible string qcom,wcn3990-bt:
> +
> + - max-speed: see Documentation/devicetree/bindings/serial/slave-device.txt
> +
> +Examples:
>  
>  serial@7570000 {
>  	label = "BT-UART";
> @@ -28,3 +41,15 @@ serial@7570000 {
>  		clocks = <&divclk4>;
>  	};
>  };
> +
> +serial@898000 {
> +	bluetooth {
> +		compatible = "qcom,wcn3990-bt";
> +
> +		vddio-supply = <&vreg_s4a_1p8>;
> +		vddxo-supply = <&vreg_l7a_1p8>;
> +		vddrf-supply = <&vreg_l17a_1p3>;
> +		vddch0-supply = <&vreg_l25a_3p3>;
> +		max-speed = <3200000>;
> +	};
> +};

Reviewed-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
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