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Message-ID: <20230312111228.GA2545@pendragon.ideasonboard.com>
Date: Sun, 12 Mar 2023 13:12:28 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Jack Zhu <jack.zhu@...rfivetech.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
Maxime Ripard <mripard@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Robert Foss <rfoss@...nel.org>,
Todor Tomov <todor.too@...il.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Andrzej Pietrasiewicz <andrzejtp2010@...il.com>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Eugen Hristev <eugen.hristev@...labora.com>,
linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, changhuang.liang@...rfivetech.com
Subject: Re: [PATCH v2 1/6] media: dt-bindings: Add bindings for JH7110
Camera Subsystem
Hi Jack,
Thank you for the patch.
On Fri, Mar 10, 2023 at 08:05:48PM +0800, Jack Zhu wrote:
> Add the bindings documentation for Starfive JH7110 Camera Subsystem
> which is used for handing image sensor data.
>
> Signed-off-by: Jack Zhu <jack.zhu@...rfivetech.com>
> ---
> .../bindings/media/starfive,jh7110-camss.yaml | 144 ++++++++++++++++++
> 1 file changed, 144 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml b/Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
> new file mode 100644
> index 000000000000..3f348dd53441
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
> @@ -0,0 +1,144 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/starfive,jh7110-camss.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Starfive SoC CAMSS ISP
> +
> +maintainers:
> + - Jack Zhu <jack.zhu@...rfivetech.com>
> + - Changhuang Liang <changhuang.liang@...rfivetech.com>
> +
> +description:
> + The Starfive CAMSS ISP is a Camera interface for Starfive JH7110 SoC.It
s/.It/. It/
> + consists of a VIN controller(Video In Controller, a top-level control until)
s/(/ (/
> + and an ISP.
> +
> +properties:
> + compatible:
> + const: starfive,jh7110-camss
> +
> + reg:
> + maxItems: 2
> +
> + reg-names:
> + items:
> + - const: syscon
> + - const: isp
> +
> + clocks:
> + maxItems: 7
> +
> + clock-names:
> + items:
> + - const: apb_func
> + - const: wrapper_clk_c
> + - const: dvp_inv
> + - const: axiwr
> + - const: mipi_rx0_pxl
> + - const: ispcore_2x
> + - const: isp_axi
> +
> + resets:
> + maxItems: 6
> +
> + reset-names:
> + items:
> + - const: wrapper_p
> + - const: wrapper_c
> + - const: axird
> + - const: axiwr
> + - const: isp_top_n
> + - const: isp_top_axi
> +
> + power-domains:
> + items:
> + - description: JH7110 ISP Power Domain Switch Controller.
> +
> + interrupts:
> + maxItems: 4
> +
> + ports:
> + $ref: /schemas/graph.yaml#/properties/ports
> +
> + properties:
> + port@1:
Why port@1 if there is no port@0 ?
> + $ref: /schemas/graph.yaml#/$defs/port-base
I think you can use
$ref: /schemas/graph.yaml#/properties/port
here as you don't define any additional property for the port node.
> + unevaluatedProperties: false
> + description:
> + Input port for receiving CSI data.
> +
> + properties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + required:
> + - port@1
> +
> +required:
> + - compatible
> + - reg
> + - reg-names
> + - clocks
> + - clock-names
> + - resets
> + - reset-names
> + - power-domains
> + - interrupts
The 'ports' node should be mandatory too.
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + stfcamss: isp@...40000 {
You can drop the label as it's not used.
> + compatible = "starfive,jh7110-camss";
> + reg = <0x19840000 0x10000>,
> + <0x19870000 0x30000>;
> + reg-names = "syscon", "isp";
> + clocks = <&ispcrg 0>,
> + <&ispcrg 13>,
> + <&ispcrg 2>,
> + <&ispcrg 12>,
> + <&ispcrg 1>,
> + <&syscrg 51>,
> + <&syscrg 52>;
> + clock-names = "apb_func",
> + "wrapper_clk_c",
> + "dvp_inv",
> + "axiwr",
> + "mipi_rx0_pxl",
> + "ispcore_2x",
> + "isp_axi";
> + resets = <&ispcrg 0>,
> + <&ispcrg 1>,
> + <&ispcrg 10>,
> + <&ispcrg 11>,
> + <&syscrg 41>,
> + <&syscrg 42>;
> + reset-names = "wrapper_p",
> + "wrapper_c",
> + "axird",
> + "axiwr",
> + "isp_top_n",
> + "isp_top_axi";
> + power-domains = <&pwrc 5>;
> + interrupts = <92>, <87>, <88>, <90>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + reg = <1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + vin_from_csi2rx: endpoint {
> + remote-endpoint = <&csi2rx_to_vin>;
> + };
> + };
> + };
> + };
--
Regards,
Laurent Pinchart
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