linux-kernel - Re: [PATCH 2/7] dt-bindings: soc: add bindings for i.MX93 mediamix blk ctrl

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Date:   Tue, 24 May 2022 13:20:09 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, sboyd@...nel.org,
        mturquette@...libre.com, shawnguo@...nel.org,
        s.hauer@...gutronix.de
Cc:     aisheng.dong@....com, l.stach@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, Peng Fan <peng.fan@....com>
Subject: Re: [PATCH 2/7] dt-bindings: soc: add bindings for i.MX93 mediamix
 blk ctrl

On 23/05/2022 13:30, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> Add DT bindings for i.MX93 MEDIAMIX BLK CTRL.

In the subject - you duplicate "bindings", so just "dt-bindings: soc:
add i.MX93 mediamix blk ctrl"

> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  .../soc/imx/fsl,imx93-media-blk-ctrl.yaml     | 81 +++++++++++++++++++
>  include/dt-bindings/power/imx93-power.h       |  6 ++
>  2 files changed, 87 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> new file mode 100644
> index 000000000000..775c08d763b8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> @@ -0,0 +1,81 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/imx/fsl,imx93-media-blk-ctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP i.MX93 Media blk-ctrl
> +
> +maintainers:
> +  - Peng Fan <peng.fan@....com>
> +
> +description:
> +  The i.MX93 MEDIAMIX domain contains control and status registers known
> +  as MEDIAMIX Block Control (MEDIAMIX BLK_CTRL). These registers include
> +  clocking, reset, and miscellaneous top-level controls for peripherals
> +  within the MEDIAMIX domain
> +
> +properties:
> +  compatible:
> +    items:
> +      - const: fsl,imx93-media-blk-ctrl
> +      - const: syscon
> +
> +  reg:
> +    maxItems: 1
> +
> +  '#power-domain-cells':
> +    const: 1

Missing ref to power domains.

> +
> +  power-domains:
> +    maxItems: 1
> +
> +  clocks:
> +    minItems: 10

minItems is not needed in such case.

> +    maxItems: 10
> +
> +  clock-names:
> +    items:
> +      - const: apb
> +      - const: axi
> +      - const: nic
> +      - const: disp
> +      - const: cam
> +      - const: pxp
> +      - const: lcdif
> +      - const: isi
> +      - const: csi
> +      - const: dsi
> +
> +required:
> +  - compatible
> +  - reg
> +  - power-domains
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/imx93-clock.h>
> +    #include <dt-bindings/power/imx93-power.h>
> +
> +    media_blk_ctrl: blk_ctrl@...10000 {

No underscores in node names. Generic node name, so "system-controller"
or "power-controller"?



Best regards,
Krzysztof