linux-kernel - Re: [PATCH 1/1] dt-bindings: ieee802154: Convert at86rf230.txt yaml format

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Message-ID: <20250526-laborer-repackage-0dd6f7730b2c@spud>
Date: Mon, 26 May 2025 16:39:19 +0100
From: Conor Dooley <conor@...nel.org>
To: Frank Li <Frank.Li@....com>
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Claudiu Beznea <claudiu.beznea@...on.dev>,
	"open list:NETWORKING DRIVERS" <netdev@...r.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>,
	"moderated list:ARM/Microchip (AT91) SoC support" <linux-arm-kernel@...ts.infradead.org>,
	imx@...ts.linux.dev
Subject: Re: [PATCH 1/1] dt-bindings: ieee802154: Convert at86rf230.txt yaml
 format

On Fri, May 23, 2025 at 11:47:39AM -0400, Frank Li wrote:
> Convert at86rf230.txt yaml format.
> 
> Additional changes:
> - Add ref to spi-peripheral-props.yaml.
> - Add parent spi node in examples.
> 
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  .../bindings/net/ieee802154/at86rf230.txt     | 27 --------
>  .../net/ieee802154/atmel,at86rf233.yaml       | 65 +++++++++++++++++++
>  2 files changed, 65 insertions(+), 27 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/net/ieee802154/at86rf230.txt
>  create mode 100644 Documentation/devicetree/bindings/net/ieee802154/atmel,at86rf233.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/ieee802154/at86rf230.txt b/Documentation/devicetree/bindings/net/ieee802154/at86rf230.txt
> deleted file mode 100644
> index 168f1be509126..0000000000000
> --- a/Documentation/devicetree/bindings/net/ieee802154/at86rf230.txt
> +++ /dev/null
> @@ -1,27 +0,0 @@
> -* AT86RF230 IEEE 802.15.4 *
> -
> -Required properties:
> -  - compatible:		should be "atmel,at86rf230", "atmel,at86rf231",
> -			"atmel,at86rf233" or "atmel,at86rf212"
> -  - spi-max-frequency:	maximal bus speed, should be set to 7500000 depends
> -			sync or async operation mode
> -  - reg:		the chipselect index
> -  - interrupts:		the interrupt generated by the device. Non high-level
> -			can occur deadlocks while handling isr.
> -
> -Optional properties:
> -  - reset-gpio:		GPIO spec for the rstn pin
> -  - sleep-gpio:		GPIO spec for the slp_tr pin
> -  - xtal-trim:		u8 value for fine tuning the internal capacitance
> -			arrays of xtal pins: 0 = +0 pF, 0xf = +4.5 pF
> -
> -Example:
> -
> -	at86rf231@0 {
> -		compatible = "atmel,at86rf231";
> -		spi-max-frequency = <7500000>;
> -		reg = <0>;
> -		interrupts = <19 4>;
> -		interrupt-parent = <&gpio3>;
> -		xtal-trim = /bits/ 8 <0x06>;
> -	};
> diff --git a/Documentation/devicetree/bindings/net/ieee802154/atmel,at86rf233.yaml b/Documentation/devicetree/bindings/net/ieee802154/atmel,at86rf233.yaml
> new file mode 100644
> index 0000000000000..275e5e4677a46
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/ieee802154/atmel,at86rf233.yaml
> @@ -0,0 +1,65 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/ieee802154/atmel,at86rf233.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: AT86RF230 IEEE 802.15.4
> +
> +maintainers:
> +  - Frank Li <Frank.Li@....com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - atmel,at86rf212
> +      - atmel,at86rf230
> +      - atmel,at86rf231
> +      - atmel,at86rf233
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  reset-gpio:
> +    maxItems: 1
> +
> +  sleep-gpio:
> +    maxItems: 1
> +
> +  spi-max-frequency:
> +    maximum: 7500000
> +
> +  xtal-trim:
> +    $ref: /schemas/types.yaml#/definitions/uint8-array

I think this is just uint8, not an array of uint8s (in which case you'd
be missing constraints on how many?)

> +    description: |
> +      u8 value for fine tuning the internal capacitance
> +      arrays of xtal pins: 0 = +0 pF, 0xf = +4.5 pF
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +allOf:
> +  - $ref: /schemas/spi/spi-peripheral-props.yaml#
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    spi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        zigbee@0 {
> +            compatible = "atmel,at86rf231";
> +            reg = <0>;
> +            spi-max-frequency = <7500000>;
> +            interrupts = <19 4>;
> +            interrupt-parent = <&gpio3>;
> +            xtal-trim = /bits/ 8 <0x06>;
> +        };
> +    };
> -- 
> 2.34.1
> 

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