linux-kernel - Re: [PATCH v6 1/3] media: dt-bindings: media: add rockchip-vip

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Message-ID: <20231002171801.GA1942512-robh@kernel.org>
Date:   Mon, 2 Oct 2023 12:18:01 -0500
From:   Rob Herring <robh@...nel.org>
To:     Mehdi Djait <mehdi.djait@...tlin.com>
Cc:     mchehab@...nel.org, heiko@...ech.de, ezequiel@...guardiasur.com.ar,
        hverkuil-cisco@...all.nl, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, paul.kocialkowski@...tlin.com,
        miquel.raynal@...tlin.com, maxime.chevallier@...tlin.com,
        luca.ceresoli@...tlin.com, thomas.petazzoni@...tlin.com,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v6 1/3] media: dt-bindings: media: add rockchip-vip

On Fri, Sep 29, 2023 at 12:08:00PM +0200, Mehdi Djait wrote:
> Add a documentation for the Rockchip Camera Interface controller
> binding.
> 
> This controller can be found on platforms such as the PX30 or
> RK1808, RK3128 and RK3288. The PX30 is the only platform
> supported so far.
> 
> Signed-off-by: Mehdi Djait <mehdi.djait@...tlin.com>
> ---
>  .../bindings/media/rockchip-vip.yaml          | 91 +++++++++++++++++++

filename should match compatible.

>  1 file changed, 91 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/rockchip-vip.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/rockchip-vip.yaml b/Documentation/devicetree/bindings/media/rockchip-vip.yaml
> new file mode 100644
> index 000000000000..33c603209c39
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/rockchip-vip.yaml
> @@ -0,0 +1,91 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/rockchip-vip.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip VIP Camera Interface
> +
> +maintainers:
> +  - Mehdi Djait <mehdi.djait@...tlin.com>
> +
> +description: |-

Don't need '|-'.

> +  Rockchip Video Input Processor present on PX30, RK1808, RK3128 and RK3288

Write complete sentences.



> +
> +properties:
> +  compatible:
> +    const: rockchip,px30-vip

I see 4 SoCs listed, but only 1 compatible.

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: ACLK
> +      - description: HCLK
> +      - description: PCLK
> +
> +  clock-names:
> +    items:
> +      - const: aclk
> +      - const: hclk
> +      - const: pclk
> +
> +  resets:
> +    items:
> +      - description: AXI
> +      - description: AHB
> +      - description: PCLK IN
> +
> +  reset-names:
> +    items:
> +      - const: axi
> +      - const: ahb
> +      - const: pclkin
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  port:
> +    $ref: /schemas/graph.yaml#/$defs/port-base

/schemas/graph.yaml#/properties/port

if there are no extra properties (such as defined in 
video-interfaces.yaml).

> +    description: A connection to a sensor or decoder
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - port
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/clock/px30-cru.h>
> +    #include <dt-bindings/power/px30-power.h>
> +
> +    parent0: parent {

Drop unused labels.

> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        vip: vip@...90000 {
> +            compatible = "rockchip,px30-vip";
> +            reg = <0x0 0xff490000 0x0 0x200>;
> +            interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
> +            clocks = <&cru ACLK_CIF>, <&cru HCLK_CIF>, <&cru PCLK_CIF>;
> +            clock-names = "aclk", "hclk", "pclk";
> +            resets = <&cru SRST_CIF_A>, <&cru SRST_CIF_H>, <&cru SRST_CIF_PCLKIN>;
> +            reset-names = "axi", "ahb", "pclkin";
> +            power-domains = <&power PX30_PD_VI>;
> +            port {
> +                vip_in: endpoint {
> +                    remote-endpoint = <&tw9900_out>;
> +                };
> +            };
> +        };
> +    };
> +...
> -- 
> 2.41.0
>