On Wed, Apr 22, 2020 at 12:59 PM Adrian Ratiu <adrian.ratiu@xxxxxxxxxxxxx> wrote: > > This converts the Synopsis MIPI DSI binding documentation to yaml and > should be quite straightforward. I've added a missing ref clk and also > added Philippe as maintainer b/c he's the original txt author following > the algorithm provided in Message-ID 20200420175909.GA5810@xxxxxxxxxxxx. > > Cc: Rob Herring <robh@xxxxxxxxxx> > Cc: Philippe CORNU <philippe.cornu@xxxxxx> > Cc: devicetree@xxxxxxxxxxxxxxx > Suggested-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Signed-off-by: Adrian Ratiu <adrian.ratiu@xxxxxxxxxxxxx> > --- > Changes in v3: > - Added ports property and its children which are required (Laurent) > - Sorted required list alphabetically > > Changes in v2: > - Removed unnecessary descriptions and maxItems (Rob) > - Changed maintainers entry / dropped Mark (Rob) > - Added dsi-controller.yaml ref (Rob) > --- > .../bindings/display/bridge/dw_mipi_dsi.txt | 32 --------- > .../display/bridge/snps,dw-mipi-dsi.yaml | 72 +++++++++++++++++++ > 2 files changed, 72 insertions(+), 32 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt > create mode 100644 Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt b/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt > deleted file mode 100644 > index b13adf30b8d3b..0000000000000 > --- a/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt > +++ /dev/null > @@ -1,32 +0,0 @@ > -Synopsys DesignWare MIPI DSI host controller > -============================================ > - > -This document defines device tree properties for the Synopsys DesignWare MIPI > -DSI host controller. It doesn't constitue a device tree binding specification > -by itself but is meant to be referenced by platform-specific device tree > -bindings. > - > -When referenced from platform device tree bindings the properties defined in > -this document are defined as follows. The platform device tree bindings are > -responsible for defining whether each optional property is used or not. > - > -- reg: Memory mapped base address and length of the DesignWare MIPI DSI > - host controller registers. (mandatory) > - > -- clocks: References to all the clocks specified in the clock-names property > - as specified in [1]. (mandatory) > - > -- clock-names: > - - "pclk" is the peripheral clock for either AHB and APB. (mandatory) > - - "px_clk" is the pixel clock for the DPI/RGB input. (optional) > - > -- resets: References to all the resets specified in the reset-names property > - as specified in [2]. (optional) > - > -- reset-names: string reset name, must be "apb" if used. (optional) > - > -- panel or bridge node: see [3]. (mandatory) > - > -[1] Documentation/devicetree/bindings/clock/clock-bindings.txt > -[2] Documentation/devicetree/bindings/reset/reset.txt > -[3] Documentation/devicetree/bindings/display/mipi-dsi-bus.txt > diff --git a/Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml b/Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml > new file mode 100644 > index 0000000000000..076567d8d8ec1 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml > @@ -0,0 +1,72 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/snps,dw-mipi-dsi.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Synopsys DesignWare MIPI DSI host controller > + > +maintainers: > + - Philippe CORNU <philippe.cornu@xxxxxx> > + > +description: | > + This document defines device tree properties for the Synopsys DesignWare MIPI > + DSI host controller. It doesn't constitue a device tree binding specification > + by itself but is meant to be referenced by platform-specific device tree > + bindings. > + > + When referenced from platform device tree bindings the properties defined in > + this document are defined as follows. The platform device tree bindings are > + responsible for defining whether each property is required or optional. > + > +allOf: > + - $ref: ../dsi-controller.yaml# > + > +properties: > + reg: > + maxItems: 1 > + > + clocks: > + items: > + - description: Module clock > + - description: DSI bus clock for either AHB and APB > + - description: Pixel clock for the DPI/RGB input > + minItems: 2 > + > + clock-names: > + items: > + - const: ref > + - const: pclk > + - const: px_clk > + minItems: 2 > + > + resets: > + maxItems: 1 > + > + reset-names: > + const: apb > + > + ports: > + type: object > + > + properties: > + port@0: > + type: object > + description: Input node to receive pixel data. > + port@1: > + type: object > + description: DSI output node to panel. > + > + required: > + - port@0 > + - port@1 > + > +patternProperties: > + "^panel@[0-3]$": It's not always a panel attached. dsi-controller.yaml covers child nodes anyways, so you can just drop this. With that, Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > + type: object > + > +required: > + - clock-names > + - clocks > + - ports > + - reg > -- > 2.26.0 >
