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. > + 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. Best regards, Krzysztof
