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@xxxxxxxxxxxxxxxx> >> --- >> .../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@xxxxxxxxxxxxxxxx> >> + - Changhuang Liang <changhuang.liang@xxxxxxxxxxxxxxxx> >> + >> +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 >