linux-kernel - Re: [PATCH v4 1/3] dt-bindings: spi: Add realtek,rtl9301-snand

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Message-ID: <nuadh2elbry2qc4l7rdngfvs4inbsmo2vg2w72w5d4cgpnail2@zidp7kzxp7qp>
Date: Mon, 14 Oct 2024 09:12:21 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc: broonie@...nel.org, robh@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, tsbogend@...ha.franken.de, linux-spi@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org
Subject: Re: [PATCH v4 1/3] dt-bindings: spi: Add realtek,rtl9301-snand

On Mon, Oct 14, 2024 at 02:52:43PM +1300, Chris Packham wrote:
 
> diff --git a/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml b/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml
> new file mode 100644
> index 000000000000..397b32b41e86
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/realtek,rtl9301-snand.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SPI-NAND Flash Controller for Realtek RTL9300 SoCs
> +
> +maintainers:
> +  - Chris Packham <chris.packham@...iedtelesis.co.nz>
> +
> +description:
> +  The Realtek RTL9300 SoCs have a built in SPI-NAND controller. It supports
> +  typical SPI-NAND page cache operations in single, dual or quad IO mode.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - realtek,rtl9301-snand
> +      - realtek,rtl9302b-snand
> +      - realtek,rtl9302c-snand
> +      - realtek,rtl9303-snand

All of them look compatible with each other, why not using fallback to
9301? That's common and expected pattern.

Best regards,
Krzysztof