Re: [PATCH v9 1/7] dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn3990
From: Rob Herring
Date: Thu Jul 05 2018 - 16:43:03 EST
On Thu, Jul 05, 2018 at 10:25:09PM +0530, Balakrishna Godavarthi wrote:
> This patch enables regulators for the Qualcomm Bluetooth wcn3990
> controller.
>
> Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
> ---
> Changes in v9:
> * updated with latest reg handle and names.
> * updated max-speed definition.
>
> Changes in v8:
> * Separated the optional entries between two chips
>
> Changes in v7:
> * no change.
>
> Changes in v6:
>
> * Changed the oper-speed to max-speed.
>
> Changes in v5:
>
> * Added entry for oper-speed and init-speed.
>
> ---
> .../bindings/net/qualcomm-bluetooth.txt | 28 +++++++++++++++++--
> 1 file changed, 26 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> index 0ea18a53cc29..ced58575e2b8 100644
> --- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> +++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> @@ -10,12 +10,22 @@ 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:
> +Optional properties for compatible string qcom,wcn3990-bt:
> +
> + - vddio-supply: Bluetooth wcn3990 VDD_IO supply regulator handle.
> + - vddxo-supply: Bluetooth wcn3990 VDD_XO supply regulator handle.
> + - vddrf-supply: Bluetooth wcn3990 VDD_RF supply regulator handle.
> + - vddch0-supply: Bluetooth wcn3990 VDD_CH0 supply regulator handle.
> + - max-speed: see Documentation/devicetree/bindings/serial/slave-device.txt
> +
> +Examples:
>
> serial@7570000 {
> label = "BT-UART";
> @@ -28,3 +38,17 @@ serial@7570000 {
> clocks = <&divclk4>;
> };
> };
> +
> +serial@898000 {
> + label = "BT-UART";
label is generally intended for when you need to identify the physical
connector which wouldn't apply here.
> + status = "okay";
Don't show status in examples.
> +
> + bluetooth {
> + compatible = "qcom,wcn3990-bt";
> + vddio-supply = <&vreg_s4a_1p8>;
> + vddxosupply = <&vreg_l7a_1p8>;
Typo.
With those fixed,
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> + vddrf-supply = <&vreg_l17a_1p3>;
> + vddch0-supply = <&vreg_l25a_3p3>;
> + max-speed = <3200000>;
> + };
> +};
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
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