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SubjectRe: [PATCH v2 1/6] media: dt-bindings: Add bindings for JH7110 Camera Subsystem
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On 2023/3/12 19:16, Krzysztof Kozlowski wrote:
> On 10/03/2023 13:05, 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@starfivetech.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@starfivetech.com>
>> + - Changhuang Liang <changhuang.liang@starfivetech.com>
>> +
>> +description:
>> + The Starfive CAMSS ISP is a Camera interface for Starfive JH7110 SoC.It
>> + consists of a VIN controller(Video In Controller, a top-level control until)
>> + 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:
>
> You should have here port@0. The binding does not represent what is
> supported by Linux. Binding represents hardware and you said you have
> port@0 for the sensor.
>

OK, will add port@0. Thanks.

>
>> + port@1:
>> + $ref: /schemas/graph.yaml#/$defs/port-base
>> + 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
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> + - |
>> + stfcamss: isp@19840000 {
>> + 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>;
>> +
>
> Same here, DTS describes the hardware, so you need port@0.

OK, will add it.

>
>
>
> Best regards,
> Krzysztof
>

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