linux-kernel - Re: [PATCH] dt-bindings: mfd: omap-usb-tll: convert to YAML

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Message-ID: <8c2f77e1-6552-47ad-a966-b137ce99852b@kernel.org>
Date: Mon, 18 Nov 2024 14:40:31 +0200
From: Roger Quadros <rogerq@...nel.org>
To: Andreas Kemnade <andreas@...nade.info>,
 Karol Przybylski <karprzy7@...il.com>
Cc: lee@...nel.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 skhan@...uxfoundation.org
Subject: Re: [PATCH] dt-bindings: mfd: omap-usb-tll: convert to YAML



On 15/11/2024 22:05, Andreas Kemnade wrote:
> Am Thu, 14 Nov 2024 19:58:30 +0100
> schrieb Karol Przybylski <karprzy7@...il.com>:
> 
>> Conversion of omap-usb-tll.txt into yaml format, inspired by discussion in [1]
>>
>> All feedback greatly appreciated, especially about what to put in 'maintainer'
>>
>> 1 - https://lore.kernel.org/all/cd915c18-7230-4c38-a860-d2a777223147@kernel.org/
>>
>> Signed-off-by: Karol Przybylski <karprzy7@...il.com>
>> ---
>>  .../devicetree/bindings/mfd/omap-usb-tll.txt  | 27 ----------
>>  .../devicetree/bindings/mfd/omap-usb-tll.yaml | 51 +++++++++++++++++++
>>  2 files changed, 51 insertions(+), 27 deletions(-)
>>  delete mode 100644 Documentation/devicetree/bindings/mfd/omap-usb-tll.txt
>>  create mode 100644 Documentation/devicetree/bindings/mfd/omap-usb-tll.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/mfd/omap-usb-tll.txt b/Documentation/devicetree/bindings/mfd/omap-usb-tll.txt
>> deleted file mode 100644
>> index c58d70437fce..000000000000
>> --- a/Documentation/devicetree/bindings/mfd/omap-usb-tll.txt
>> +++ /dev/null
>> @@ -1,27 +0,0 @@
>> -OMAP HS USB Host TLL (Transceiver-Less Interface)
>> -
>> -Required properties:
>> -
>> -- compatible : should be "ti,usbhs-tll"
>> -- reg : should contain one register range i.e. start and length
>> -- interrupts : should contain the TLL module's interrupt
>> -- ti,hwmod : must contain "usb_tll_hs"
>> -
>> -Optional properties:
>> -
>> -- clocks: a list of phandles and clock-specifier pairs, one for each entry in
>> -  clock-names.
>> -
>> -- clock-names: should include:
>> -  * "usb_tll_hs_usb_ch0_clk" - USB TLL channel 0 clock
>> -  * "usb_tll_hs_usb_ch1_clk" - USB TLL channel 1 clock
>> -  * "usb_tll_hs_usb_ch2_clk" - USB TLL channel 2 clock
>> -
>> -Example:
>> -
>> -	usbhstll: usbhstll@...62000 {
>> -		compatible = "ti,usbhs-tll";
>> -		reg = <0x4a062000 0x1000>;
>> -		interrupts = <78>;
>> -		ti,hwmods = "usb_tll_hs";
>> -	  };
>> diff --git a/Documentation/devicetree/bindings/mfd/omap-usb-tll.yaml b/Documentation/devicetree/bindings/mfd/omap-usb-tll.yaml
>> new file mode 100644
>> index 000000000000..f49417d1faf7
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mfd/omap-usb-tll.yaml
>> @@ -0,0 +1,51 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/mfd/omap-usb-tll.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: OMAP HS USB Host TLL (Transceiver-Less Interface)
>> +
>> +maintainers:
>> +  - <maintainer@...nel.org>
>> +
> Roger? 

Sure, but I do not have any board to test this.

> 
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - ti,usbhs-tll
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  interrupts:
>> +    maxItems: 1
>> +
>> +  ti,hwmod:
>> +    const: usb_tll_hs
>> +
>> +  clocks:
>> +    minItems: 2
>> +
>> +  clock-names:
>> +    items:
>> +      - const: usb_tll_hs_usb_ch0_clk
>> +      - const: usb_tll_hs_usb_ch1_clk
>> +      - const: usb_tll_hs_usb_ch2_clk
>> +    minItems: 2
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - interrupts
>> +  - ti,hwmod
> 
> keeping the binding in pace with reality... ti,hwmod should
> be deprecated. 
> 
> Regards,
> Andreas

-- 
cheers,
-roger