Commit 7a4cb163 authored by Venkata Lakshmi Narayana Gubba's avatar Venkata Lakshmi Narayana Gubba Committed by Marcel Holtmann
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dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn6750 



This patch enables regulators and gpios for the Qualcomm Bluetooth wcn6750
controller.

Signed-off-by: default avatarVenkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent d88c6de4

Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml

+71 −0
Original line number Diff line number Diff line
@@ -22,11 +22,17 @@ properties: 
      - qcom,wcn3991-bt

      - qcom,wcn3998-bt

      - qcom,qca6390-bt

      - qcom,wcn6750-bt



  enable-gpios:

    maxItems: 1

    description: gpio specifier used to enable chip



  swctrl-gpios:

    maxItems: 1

    description: gpio specifier is used to find status

                 of clock supply to SoC



  clocks:

    maxItems: 1

    description: clock provided to the controller (SUSCLK_32KHZ)
@@ -43,6 +49,30 @@ properties: 
  vddch0-supply:

    description: VDD_CH0 supply regulator handle



  vddaon-supply:

    description: VDD_AON supply regulator handle



  vddbtcxmx-supply:

    description: VDD_BT_CXMX supply regulator handle



  vddrfacmn-supply:

    description: VDD_RFA_CMN supply regulator handle



  vddrfa0p8-supply:

    description: VDD_RFA_0P8 suppply regulator handle



  vddrfa1p7-supply:

    description: VDD_RFA_1P7 supply regulator handle



  vddrfa1p2-supply:

    description: VDD_RFA_1P2 supply regulator handle



  vddrfa2p2-supply:

    description: VDD_RFA_2P2 supply regulator handle



  vddasd-supply:

    description: VDD_ASD supply regulator handle



  max-speed:

    description: see Documentation/devicetree/bindings/serial/serial.yaml
@@ -85,6 +115,25 @@ allOf: 
        - vddrf-supply

        - vddch0-supply



  - if:

      properties:

        compatible:

          contains:

            enum:

              - qcom,wcn6750-bt

    then:

      required:

        - enable-gpios

        - swctrl-gpios

        - vddio-supply

        - vddaon-supply

        - vddbtcxmx-supply

        - vddrfacmn-supply

        - vddrfa0p8-supply

        - vddrfa1p7-supply

        - vddrfa1p2-supply

        - vddasd-supply



examples:

  - |

    #include <dt-bindings/gpio/gpio.h>
@@ -110,3 +159,25 @@ examples: 
            firmware-name = "crnv21.bin";

        };

    };

  - |

    serial {



        bluetooth {

            compatible = "qcom,wcn6750-bt";

            pinctrl-names = "default";

            pinctrl-0 = <&bt_en_default>;

            enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>;

            swctrl-gpios = <&tlmm 86 GPIO_ACTIVE_HIGH>;

            vddio-supply = <&vreg_l19b_1p8>;

            vddaon-supply = <&vreg_s7b_0p9>;

            vddbtcxmx-supply = <&vreg_s7b_0p9>;

            vddrfacmn-supply = <&vreg_s7b_0p9>;

            vddrfa0p8-supply = <&vreg_s7b_0p9>;

            vddrfa1p7-supply = <&vreg_s1b_1p8>;

            vddrfa1p2-supply = <&vreg_s8b_1p2>;

            vddrfa2p2-supply = <&vreg_s1c_2p2>;

            vddasd-supply = <&vreg_l11c_2p8>;

            max-speed = <3200000>;

            firmware-name = "msnv11.bin";

        };

    };