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Message-ID: <48988a50-3c3d-7a85-af28-66f7842e5893@linaro.org>
Date: Tue, 8 Nov 2022 12:09:30 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
Masami Hiramatsu <mhiramat@...nel.org>
Cc: soc@...nel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/5] dt-bindings: arm: uniphier: Add system controller
bindings
On 07/11/2022 11:34, Kunihiko Hayashi wrote:
> Add DT binding schema for system controller implemented in UniPhier SoCs.
> This describes that the nodes defined here are treated as "syscon".
>
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
> ---
> .../socionext/socionext,uniphier-sysctrl.yaml | 92 +++++++++++++++++++
> 1 file changed, 92 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/socionext/socionext,uniphier-sysctrl.yaml
>
> diff --git a/Documentation/devicetree/bindings/arm/socionext/socionext,uniphier-sysctrl.yaml b/Documentation/devicetree/bindings/arm/socionext/socionext,uniphier-sysctrl.yaml
> new file mode 100644
> index 000000000000..be7cf72c232e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/socionext/socionext,uniphier-sysctrl.yaml
arm is only for top-level stuff. System controllers go to soc.
> @@ -0,0 +1,92 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/socionext/socionext,uniphier-sysctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Socionext UniPhier system controller
> +
> +maintainers:
> + - Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
> +
> +description: |+
> + This describes the devicetree bindings for system controller
> + implemented on Socionext UniPhier SoCs.
Drop "This describes the devicetree bindings for" and instead describe
the hardware.
> +
> +properties:
> + compatible:
> + oneOf:
You do not have more than one entry, so no need for oneOf.
> + - items:
> + - enum:
> + # sysctrl
> + - socionext,uniphier-ld4-sysctrl
> + - socionext,uniphier-pro4-sysctrl
> + - socionext,uniphier-pro5-sysctrl
> + - socionext,uniphier-pxs2-sysctrl
> + - socionext,uniphier-ld6b-sysctrl
> + - socionext,uniphier-sld8-sysctrl
> + - socionext,uniphier-ld11-sysctrl
> + - socionext,uniphier-ld20-sysctrl
> + - socionext,uniphier-pxs3-sysctrl
> + - socionext,uniphier-nx1-sysctrl
> + - socionext,uniphier-sysctrl
> + # soc-glue
> + - socionext,uniphier-ld4-soc-glue
> + - socionext,uniphier-pro4-soc-glue
> + - socionext,uniphier-pro5-soc-glue
> + - socionext,uniphier-pxs2-soc-glue
> + - socionext,uniphier-ld6b-soc-glue
> + - socionext,uniphier-sld8-soc-glue
> + - socionext,uniphier-ld11-soc-glue
> + - socionext,uniphier-ld20-soc-glue
> + - socionext,uniphier-pxs3-soc-glue
> + - socionext,uniphier-nx1-soc-glue
> + - socionext,uniphier-soc-glue
> + # perictrl
> + - socionext,uniphier-ld4-perictrl
> + - socionext,uniphier-pro4-perictrl
> + - socionext,uniphier-pro5-perictrl
> + - socionext,uniphier-pxs2-perictrl
> + - socionext,uniphier-ld6b-perictrl
> + - socionext,uniphier-sld8-perictrl
> + - socionext,uniphier-ld11-perictrl
> + - socionext,uniphier-ld20-perictrl
> + - socionext,uniphier-pxs3-perictrl
> + - socionext,uniphier-nx1-perictrl
> + - socionext,uniphier-perictrl
> + # sdctrl
> + - socionext,uniphier-ld4-sdctrl
> + - socionext,uniphier-pro4-sdctrl
> + - socionext,uniphier-pro5-sdctrl
> + - socionext,uniphier-pxs2-sdctrl
> + - socionext,uniphier-ld6b-sdctrl
> + - socionext,uniphier-sld8-sdctrl
> + - socionext,uniphier-ld11-sdctrl
> + - socionext,uniphier-ld20-sdctrl
> + - socionext,uniphier-pxs3-sdctrl
> + - socionext,uniphier-nx1-sdctrl
> + - socionext,uniphier-sdctrl
> + # mioctrl
> + - socionext,uniphier-ld4-mioctrl
> + - socionext,uniphier-pro4-mioctrl
> + - socionext,uniphier-sld8-mioctrl
> + - socionext,uniphier-ld11-mioctrl
> + - socionext,uniphier-mioctrl
> + # adamv
> + - socionext,uniphier-ld11-adamv
> + - socionext,uniphier-ld20-adamv
> + - socionext,uniphier-adamv
> + - const: simple-mfd
> + - const: syscon
> +
> + reg:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties:
> + type: object
No, instead you should describe the children. This must me
additionalProperties: false
You also miss example.
Start from example-schema as your template or guidance.
Best regards,
Krzysztof
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