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

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Message-ID: <20241115210543.7cfcd7ba@akair>
Date: Fri, 15 Nov 2024 21:05:43 +0100
From: Andreas Kemnade <andreas@...nade.info>
To: 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, rogerq@...nel.org, skhan@...uxfoundation.org
Subject: Re: [PATCH] dt-bindings: mfd: omap-usb-tll: convert to YAML

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? 

> +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