| Message ID | 20220302220739.144303-4-paul.kocialkowski@bootlin.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Allwinner A31/A83T MIPI CSI-2 and A31 ISP / MIPI CSI-2 Support | expand |
On Wed, 02 Mar 2022 23:07:33 +0100, Paul Kocialkowski wrote: > The A31 CSI controller supports two distinct input interfaces: > parallel and an external MIPI CSI-2 bridge. The parallel interface > is often connected to a set of hardware pins while the MIPI CSI-2 > bridge is an internal FIFO-ish link. As a result, these two inputs > are distinguished as two different ports. > > Note that only one of the two may be present on a controller instance. > For example, the V3s has one controller dedicated to MIPI-CSI2 and one > dedicated to parallel. > > Update the binding with an explicit ports node that holds two distinct > port nodes: one for parallel input and one for MIPI CSI-2. > > This is backward-compatible with the single-port approach that was > previously taken for representing the parallel interface port, which > stays enumerated as fwnode port 0. > > Note that additional ports may be added in the future, especially to > support feeding the CSI controller's output to the ISP. > > Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> > Reviewed-by: Rob Herring <robh@kernel.org> > Acked-by: Maxime Ripard <mripard@kernel.org> > --- > .../media/allwinner,sun6i-a31-csi.yaml | 66 +++++++++++++++---- > 1 file changed, 53 insertions(+), 13 deletions(-) > My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check' on your patch (DT_CHECKER_FLAGS is new in v5.13): yamllint warnings/errors: ./Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml:88:9: [warning] wrong indentation: expected 10 but found 8 (indentation) ./Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml:90:9: [warning] wrong indentation: expected 10 but found 8 (indentation) ./Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml:102:5: [warning] wrong indentation: expected 6 but found 4 (indentation) ./Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml:104:5: [warning] wrong indentation: expected 6 but found 4 (indentation) dtschema/dtc warnings/errors: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.example.dt.yaml: csi@1cb4000: ports:port@0: 'reg' does not match any of the regexes: 'pinctrl-[0-9]+' From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml doc reference errors (make refcheckdocs): See https://patchwork.ozlabs.org/patch/1600105 This check can fail if there are any dependencies. The base for a patch series is generally the most recent rc1. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit.
diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml index 8b568072a069..f40609332696 100644 --- a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml +++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml @@ -61,6 +61,34 @@ properties: additionalProperties: false + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: "#/properties/port" + unevaluatedProperties: false + + port@1: + $ref: /schemas/graph.yaml#/$defs/port-base + description: MIPI CSI-2 bridge input port + + properties: + reg: + const: 1 + + endpoint: + $ref: video-interfaces.yaml# + unevaluatedProperties: false + + additionalProperties: false + + anyOf: + - required: + - port@0 + - required: + - port@1 + required: - compatible - reg @@ -69,6 +97,12 @@ required: - clock-names - resets +oneOf: + - required: + - ports + - required: + - port + additionalProperties: false examples: @@ -89,19 +123,25 @@ examples: "ram"; resets = <&ccu RST_BUS_CSI>; - port { - /* Parallel bus endpoint */ - csi1_ep: endpoint { - remote-endpoint = <&adv7611_ep>; - bus-width = <16>; - - /* - * If hsync-active/vsync-active are missing, - * embedded BT.656 sync is used. - */ - hsync-active = <0>; /* Active low */ - vsync-active = <0>; /* Active low */ - pclk-sample = <1>; /* Rising */ + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + /* Parallel bus endpoint */ + csi1_ep: endpoint { + remote-endpoint = <&adv7611_ep>; + bus-width = <16>; + + /* + * If hsync-active/vsync-active are missing, + * embedded BT.656 sync is used. + */ + hsync-active = <0>; /* Active low */ + vsync-active = <0>; /* Active low */ + pclk-sample = <1>; /* Rising */ + }; }; }; };