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From: Matthias Kaehlcke <mka@chromium.org>
To: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Cc: marcel@holtmann.org, johan.hedberg@gmail.com,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-bluetooth@vger.kernel.org, hemantg@codeaurora.org,
	linux-arm-msm@vger.kernel.org, bgodavar@codeaurora.org,
	rjliao@codeaurora.org, hbandi@codeaurora.org,
	abhishekpandit@chromium.org
Subject: Re: [PATCH v2 2/3] dt-bindings: net: bluetooth: Convert to DT schema
Date: Tue, 20 Apr 2021 17:50:40 -0700	[thread overview]
Message-ID: <YH924M62b7PDd/r6@google.com> (raw)
In-Reply-To: <1618936010-16579-3-git-send-email-gubbaven@codeaurora.org>

On Tue, Apr 20, 2021 at 09:56:49PM +0530, Venkata Lakshmi Narayana Gubba wrote:

> Subject: dt-bindings: net: bluetooth: Convert to DT schema

This doesn't convert the generic binding or all bindings to DT schema
as the subject suggests, but the Qualcomm BT binding.

>
> Converted Qualcomm Bluetooth binidings to DT schema.
> 
> Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
> ---
>  .../devicetree/bindings/net/qualcomm-bluetooth.txt | 69 -----------------
>  .../bindings/net/qualcomm-bluetooth.yaml           | 87 ++++++++++++++++++++++
>  2 files changed, 87 insertions(+), 69 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
>  create mode 100644 Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> deleted file mode 100644
> index 709ca6d..0000000
> --- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> +++ /dev/null
> @@ -1,69 +0,0 @@
> -Qualcomm Bluetooth Chips
> ----------------------
> -
> -This documents the binding structure and common properties for serial
> -attached Qualcomm devices.
> -
> -Serial attached Qualcomm devices shall be a child node of the host UART
> -device the slave device is attached to.
> -
> -Required properties:
> - - compatible: should contain one of the following:
> -   * "qcom,qca6174-bt"
> -   * "qcom,qca9377-bt"
> -   * "qcom,wcn3990-bt"
> -   * "qcom,wcn3991-bt"
> -   * "qcom,wcn3998-bt"
> -   * "qcom,qca6390-bt"
> -
> -Optional properties for compatible string qcom,qca6174-bt:
> -
> - - enable-gpios: gpio specifier used to enable chip
> - - clocks: clock provided to the controller (SUSCLK_32KHZ)
> - - firmware-name: specify the name of nvm firmware to load
> -
> -Optional properties for compatible string qcom,qca9377-bt:
> -
> - - max-speed: see Documentation/devicetree/bindings/serial/serial.yaml
> -
> -Required properties for compatible string qcom,wcn399x-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,wcn399x-bt:
> -
> - - max-speed: see Documentation/devicetree/bindings/serial/serial.yaml
> - - firmware-name: specify the name of nvm firmware to load
> - - clocks: clock provided to the controller
> -
> -Examples:
> -
> -serial@7570000 {
> -	label = "BT-UART";
> -	status = "okay";
> -
> -	bluetooth {
> -		compatible = "qcom,qca6174-bt";
> -
> -		enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>;
> -		clocks = <&divclk4>;
> -		firmware-name = "nvm_00440302.bin";
> -	};
> -};
> -
> -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>;
> -		firmware-name = "crnv21.bin";
> -		clocks = <&rpmhcc RPMH_RF_CLK2>;
> -	};
> -};
> diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml
> new file mode 100644
> index 0000000..55cd995
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml
> @@ -0,0 +1,87 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/qualcomm-bluetooth.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Bluetooth Chips
> +
> +maintainers:
> +  - Rob Herring <robh@kernel.org>
> +  - Marcel Holtmann <marcel@holtmann.org>
> +
> +description:
> +  This binding describes Qualcomm UART-attached bluetooth chips.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,qca6174-bt
> +      - qcom,qca9377-bt
> +      - qcom,wcn3990-bt
> +      - qcom,wcn3991-bt
> +      - qcom,wcn3998-bt
> +      - qcom,qca6390-bt      

delete trailing blanks

> +
> +  enable-gpios:
> +    maxItems: 1
> +    description: gpio specifier used to enable chip
> +   

delete blanks

> +  clocks:
> +    maxItems: 1
> +    description: clock provided to the controller (SUSCLK_32KHZ)
> +
> +  vddio-supply:
> +    description: VDD_IO supply regulator handle
> +
> +  vddxo-supply:
> +    description: VDD_XO supply regulator handle
> +
> +  vddrf-supply:
> +    description: VDD_RF supply regulator handle
> +
> +  vddch0-supply:
> +    description: VDD_CH0 supply regulator handle
> +
> +  max-speed: 

delete trailing blank

> +    description: see Documentation/devicetree/bindings/serial/serial.yaml
> +
> +  firmware-name:
> +    description: specify the name of nvm firmware to load
> +
> +  local-bd-address:
> +    description: see Documentation/devicetree/bindings/net/bluetooth.txt
> +
> +
> +required:
> +  - compatible

it seems you could make the supplies conditionally required based on the
compatible string. See Documentation/devicetree/bindings/connector/usb-connector.yaml
for an example

> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +    uart {
> +        label = "BT-UART";
> +        status = "okay";
> +
> +        bluetooth {
> +            compatible = "qcom,qca6174-bt";
> +            enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>;
> +            clocks = <&divclk4>;
> +            firmware-name = "nvm_00440302.bin";
> +        };
> +    };
> +  - |
> +    uart {
> +
> +        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>;
> +            firmware-name = "crnv21.bin";		

delete trailing blanks

  reply	other threads:[~2021-04-21  0:50 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-20 16:26 [PATCH v2 0/3] Enable Bluetooth functinality for WCN6750 Venkata Lakshmi Narayana Gubba
2021-04-20 16:26 ` [PATCH v2 1/3] Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6750 Venkata Lakshmi Narayana Gubba
2021-04-20 20:53   ` Matthias Kaehlcke
2021-04-29 15:43     ` gubbaven
2021-04-20 16:26 ` [PATCH v2 2/3] dt-bindings: net: bluetooth: Convert to DT schema Venkata Lakshmi Narayana Gubba
2021-04-21  0:50   ` Matthias Kaehlcke [this message]
2021-05-06 17:23     ` gubbaven
2021-04-21 17:10   ` Rob Herring
2021-05-06 17:26     ` gubbaven
2021-04-21 17:10   ` Rob Herring
2021-05-06 17:28     ` gubbaven
2021-04-20 16:26 ` [PATCH v2 3/3] dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn6750 Venkata Lakshmi Narayana Gubba
2021-04-21 17:12   ` Rob Herring
2021-05-06 17:30     ` gubbaven

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