Hi Rob, Thanks for your feedback. On 2021-04-15 16:46:11 -0500, Rob Herring wrote: > On Tue, Apr 13, 2021 at 07:27:08PM +0200, Niklas Söderlund wrote: > > Add bindings for Renesas R-Car ISP Channel Selector IP. The ISP is > > responsible for filtering the MIPI CSI-2 bus and directing the different > > CSI-2 virtual channels to different R-Car VIN instances (DMA engines) > > for capture. > > > > Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx> > > --- > > .../bindings/media/renesas,isp.yaml | 197 ++++++++++++++++++ > > MAINTAINERS | 1 + > > 2 files changed, 198 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/media/renesas,isp.yaml > > > > diff --git a/Documentation/devicetree/bindings/media/renesas,isp.yaml b/Documentation/devicetree/bindings/media/renesas,isp.yaml > > new file mode 100644 > > index 0000000000000000..99a1556d21d00106 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/media/renesas,isp.yaml > > @@ -0,0 +1,197 @@ > > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > > +# Copyright (C) 2021 Renesas Electronics Corp. > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/media/renesas,isp.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Renesas R-Car ISP Channel Selector > > + > > +maintainers: > > + - Niklas Söderlund <niklas.soderlund@xxxxxxxxxxxx> > > + > > +description: > > + The R-Car ISP Channel Selector provides MIPI CSI-2 VC and DT filtering > > + capabilities for the Renesas R-Car family of devices. It is used in > > + conjunction with the R-Car VIN and CSI-2 modules, which provides the video > > + capture capabilities. > > + > > +properties: > > + compatible: > > + items: > > + - enum: > > + - renesas,isp-r8a779a0 # V3U > > + reg: > > + maxItems: 1 > > + > > + interrupts: > > + maxItems: 1 > > + > > + clocks: > > + maxItems: 1 > > + > > + power-domains: > > + maxItems: 1 > > + > > + resets: > > + maxItems: 1 > > + > > + ports: > > + $ref: /schemas/graph.yaml#/properties/ports > > + > > + properties: > > + port@0: > > + $ref: /schemas/graph.yaml#/$defs/port-base > > Why port-base on this one? That should be used if you have custom > properties in the port or endpoint nodes. Ahh I see, then yes this indeed not needed for port@0. > > > + description: > > + Input port node, multiple endpoints describing the connected R-Car > > + CSI-2 receivers. > > + > > + port@1: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + Single endpoint describing the R-Car VIN connected to output port 0. > > + > > + port@2: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + Single endpoint describing the R-Car VIN connected to output port 1. > > + > > + port@3: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + Single endpoint describing the R-Car VIN connected to output port 2. > > + > > + port@4: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + Single endpoint describing the R-Car VIN connected to output port 3. > > + > > + port@5: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + Single endpoint describing the R-Car VIN connected to output port 4. > > + > > + port@6: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + Single endpoint describing the R-Car VIN connected to output port 5. > > + > > + port@7: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + Single endpoint describing the R-Car VIN connected to output port 6. > > + > > + port@8: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + Single endpoint describing the R-Car VIN connected to output port 7. > > + > > + required: > > + - port@0 > > + - port@1 > > + - port@2 > > + - port@3 > > + - port@4 > > + - port@5 > > + - port@6 > > + - port@7 > > + - port@8 > > + > > +required: > > + - compatible > > + - reg > > + - interrupts > > + - clocks > > + - power-domains > > + - resets > > + - ports > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/clock/r8a779a0-cpg-mssr.h> > > + #include <dt-bindings/interrupt-controller/arm-gic.h> > > + #include <dt-bindings/power/r8a779a0-sysc.h> > > + > > + isp1: isp@fed20000 { > > + compatible = "renesas,isp-r8a779a0"; > > + reg = <0xfed20000 0x10000>; > > + interrupts = <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&cpg CPG_MOD 613>; > > + power-domains = <&sysc R8A779A0_PD_A3ISP01>; > > + resets = <&cpg 613>; > > + status = "disabled"; > > Don't show 'status' in examples. Thanks. > > > + > > + ports { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + port@0 { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + reg = <0>; > > + isp1csi41: endpoint@1 { > > + reg = <1>; > > + remote-endpoint = <&csi41isp1>; > > + }; > > + }; > > + > > + port@1 { > > + reg = <1>; > > + isp1vin08: endpoint { > > + remote-endpoint = <&vin08isp1>; > > + }; > > + }; > > + > > + port@2 { > > + reg = <2>; > > + isp1vin09: endpoint { > > + remote-endpoint = <&vin09isp1>; > > + }; > > + }; > > + > > + port@3 { > > + reg = <3>; > > + isp1vin10: endpoint { > > + remote-endpoint = <&vin10isp1>; > > + }; > > + }; > > + > > + port@4 { > > + reg = <4>; > > + isp1vin11: endpoint { > > + remote-endpoint = <&vin11isp1>; > > + }; > > + }; > > + > > + port@5 { > > + reg = <5>; > > + isp1vin12: endpoint { > > + remote-endpoint = <&vin12isp1>; > > + }; > > + }; > > + > > + port@6 { > > + reg = <6>; > > + isp1vin13: endpoint { > > + remote-endpoint = <&vin13isp1>; > > + }; > > + }; > > + > > + port@7 { > > + reg = <7>; > > + isp1vin14: endpoint { > > + remote-endpoint = <&vin14isp1>; > > + }; > > + }; > > + > > + port@8 { > > + reg = <8>; > > + isp1vin15: endpoint { > > + remote-endpoint = <&vin15isp1>; > > + }; > > + }; > > + }; > > + }; > > diff --git a/MAINTAINERS b/MAINTAINERS > > index b265a7ba60e709f3..e125d0eed7b021a0 100644 > > --- a/MAINTAINERS > > +++ b/MAINTAINERS > > @@ -11144,6 +11144,7 @@ L: linux-renesas-soc@xxxxxxxxxxxxxxx > > S: Supported > > T: git git://linuxtv.org/media_tree.git > > F: Documentation/devicetree/bindings/media/renesas,csi2.yaml > > +F: Documentation/devicetree/bindings/media/renesas,isp.yaml > > F: Documentation/devicetree/bindings/media/renesas,vin.yaml > > F: drivers/media/platform/rcar-vin/ > > > > -- > > 2.31.1 > > -- Regards, Niklas Söderlund