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Message-ID: <20240422142906.GB1207218-robh@kernel.org>
Date: Mon, 22 Apr 2024 09:29:06 -0500
From: Rob Herring <robh@...nel.org>
To: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
Daniel Baluta <daniel.baluta@....com>,
Shengjiu Wang <shengjiu.wang@....com>,
Liu Ying <victor.liu@....com>,
Laurentiu Mihalcea <laurentiu.mihalcea@....com>,
devicetree@...r.kernel.org, imx@...ts.linux.dev,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/3] dt-bindings: mfd: add schema for 8ulp AVD-SIM
On Thu, Apr 18, 2024 at 11:37:19PM +0300, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
>
> Add schema for i.MX8ULP's AVD-SIM module.
>
> Signed-off-by: Liu Ying <victor.liu@....com>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> ---
> .../bindings/mfd/fsl,imx8ulp-avd-sim.yaml | 42 +++++++++++++++++++
> 1 file changed, 42 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/fsl,imx8ulp-avd-sim.yaml
>
> diff --git a/Documentation/devicetree/bindings/mfd/fsl,imx8ulp-avd-sim.yaml b/Documentation/devicetree/bindings/mfd/fsl,imx8ulp-avd-sim.yaml
> new file mode 100644
> index 000000000000..4020c6e37f80
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/fsl,imx8ulp-avd-sim.yaml
> @@ -0,0 +1,42 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/fsl,imx8ulp-avd-sim.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP i.MX8ULP Audio-Video Domain System Integration Module
> +
> +maintainers:
> + - Liu Ying <victor.liu@....com>
> +
> +description: |
> + The AVD-SIM module provides configuration options for components of AVD.
> +
> +properties:
> + compatible:
> + items:
> + - const: fsl,imx8ulp-avd-sim
> + - const: syscon
> + - const: simple-mfd
'simple-mfd' means you have child nodes, but you have none defined.
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 1
If you do add child nodes, 'simple-mfd' also means there is not any
dependency on the parent node such as needing this clock to be enabled
for the child nodes.
Rob
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