| Message ID | 20230102100942.1828-2-r-ravikumar@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add support for CDNS DSI J721E wrapper | expand |
Hi Rahul, Thank you for the patch. On Mon, Jan 02, 2023 at 03:39:38PM +0530, Rahul T R wrote: > Convert cdns,dsi.txt binding to yaml format > > Signed-off-by: Rahul T R <r-ravikumar@ti.com> > Reviewed-by: Rob Herring <robh@kernel.org> > --- > .../bindings/display/bridge/cdns,dsi.txt | 112 ------------- > .../bindings/display/bridge/cdns,dsi.yaml | 157 ++++++++++++++++++ > 2 files changed, 157 insertions(+), 112 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt > create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt > deleted file mode 100644 > index 525a4bfd8634..000000000000 > --- a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt > +++ /dev/null > @@ -1,112 +0,0 @@ > -Cadence DSI bridge > -================== > - > -The Cadence DSI bridge is a DPI to DSI bridge supporting up to 4 DSI lanes. > - > -Required properties: > -- compatible: should be set to "cdns,dsi". > -- reg: physical base address and length of the controller's registers. > -- interrupts: interrupt line connected to the DSI bridge. > -- clocks: DSI bridge clocks. > -- clock-names: must contain "dsi_p_clk" and "dsi_sys_clk". > -- phys: phandle link to the MIPI D-PHY controller. > -- phy-names: must contain "dphy". > -- #address-cells: must be set to 1. > -- #size-cells: must be set to 0. > - > -Optional properties: > -- resets: DSI reset lines. > -- reset-names: can contain "dsi_p_rst". > - > -Required subnodes: > -- ports: Ports as described in Documentation/devicetree/bindings/graph.txt. > - 2 ports are available: > - * port 0: this port is only needed if some of your DSI devices are > - controlled through an external bus like I2C or SPI. Can have at > - most 4 endpoints. The endpoint number is directly encoding the > - DSI virtual channel used by this device. > - * port 1: represents the DPI input. > - Other ports will be added later to support the new kind of inputs. > - > -- one subnode per DSI device connected on the DSI bus. Each DSI device should > - contain a reg property encoding its virtual channel. > - > -Example: > - dsi0: dsi@fd0c0000 { > - compatible = "cdns,dsi"; > - reg = <0x0 0xfd0c0000 0x0 0x1000>; > - clocks = <&pclk>, <&sysclk>; > - clock-names = "dsi_p_clk", "dsi_sys_clk"; > - interrupts = <1>; > - phys = <&dphy0>; > - phy-names = "dphy"; > - #address-cells = <1>; > - #size-cells = <0>; > - > - ports { > - #address-cells = <1>; > - #size-cells = <0>; > - > - port@1 { > - reg = <1>; > - dsi0_dpi_input: endpoint { > - remote-endpoint = <&xxx_dpi_output>; > - }; > - }; > - }; > - > - panel: dsi-dev@0 { > - compatible = "<vendor,panel>"; > - reg = <0>; > - }; > - }; > - > -or > - > - dsi0: dsi@fd0c0000 { > - compatible = "cdns,dsi"; > - reg = <0x0 0xfd0c0000 0x0 0x1000>; > - clocks = <&pclk>, <&sysclk>; > - clock-names = "dsi_p_clk", "dsi_sys_clk"; > - interrupts = <1>; > - phys = <&dphy1>; > - phy-names = "dphy"; > - #address-cells = <1>; > - #size-cells = <0>; > - > - ports { > - #address-cells = <1>; > - #size-cells = <0>; > - > - port@0 { > - reg = <0>; > - #address-cells = <1>; > - #size-cells = <0>; > - > - dsi0_output: endpoint@0 { > - reg = <0>; > - remote-endpoint = <&dsi_panel_input>; > - }; > - }; > - > - port@1 { > - reg = <1>; > - dsi0_dpi_input: endpoint { > - remote-endpoint = <&xxx_dpi_output>; > - }; > - }; > - }; > - }; > - > - i2c@xxx { > - panel: panel@59 { > - compatible = "<vendor,panel>"; > - reg = <0x59>; > - > - port { > - dsi_panel_input: endpoint { > - remote-endpoint = <&dsi0_output>; > - }; > - }; > - }; > - }; > diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml > new file mode 100644 > index 000000000000..3161c33093c1 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml > @@ -0,0 +1,157 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/cdns,dsi.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Cadence DSI bridge > + > +maintainers: > + - Boris Brezillon <boris.brezillon@bootlin.com> > + > +description: | > + CDNS DSI is a bridge device which converts DPI to DSI > + > +properties: > + compatible: > + enum: > + - cdns,dsi > + > + reg: > + maxItems: 1 > + > + clocks: > + items: > + - description: PSM clock, used by the IP > + - description: sys clock, used by the IP > + > + clock-names: > + items: > + - const: dsi_p_clk > + - const: dsi_sys_clk > + > + phys: > + maxItems: 1 > + > + phy-names: > + const: dphy > + > + interrupts: > + maxItems: 1 > + > + resets: > + maxItems: 1 > + > + reset-names: > + const: dsi_p_rst > + > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + > + properties: > + port@0: > + $ref: /schemas/graph.yaml#/properties/port > + description: > + Output port representing the DSI output. It can have > + at most 4 endpoints. The endpoint number is directly encoding > + the DSI virtual channel used by this device. Using endpoints to model virtual channels isn't great, but that's not an issue with this patch. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > + > + port@1: > + $ref: /schemas/graph.yaml#/properties/port > + description: > + Input port representing the DPI input. > + > + required: > + - port@1 > + > +allOf: > + - $ref: ../dsi-controller.yaml# > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - clock-names > + - phys > + - phy-names > + - ports > + > +unevaluatedProperties: false > + > +examples: > + - | > + bus { > + #address-cells = <2>; > + #size-cells = <2>; > + > + dsi@fd0c0000 { > + compatible = "cdns,dsi"; > + reg = <0x0 0xfd0c0000 0x0 0x1000>; > + clocks = <&pclk>, <&sysclk>; > + clock-names = "dsi_p_clk", "dsi_sys_clk"; > + interrupts = <1>; > + phys = <&dphy0>; > + phy-names = "dphy"; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@1 { > + reg = <1>; > + endpoint { > + remote-endpoint = <&xxx_dpi_output>; > + }; > + }; > + }; > + > + panel@0 { > + compatible = "panasonic,vvx10f034n00"; > + reg = <0>; > + power-supply = <&vcc_lcd_reg>; > + }; > + }; > + }; > + > + - | > + bus { > + #address-cells = <2>; > + #size-cells = <2>; > + > + dsi@fd0c0000 { > + compatible = "cdns,dsi"; > + reg = <0x0 0xfd0c0000 0x0 0x1000>; > + clocks = <&pclk>, <&sysclk>; > + clock-names = "dsi_p_clk", "dsi_sys_clk"; > + interrupts = <1>; > + phys = <&dphy1>; > + phy-names = "dphy"; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + endpoint@0 { > + reg = <0>; > + remote-endpoint = <&dsi_panel_input>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + endpoint { > + remote-endpoint = <&xxx_dpi_output>; > + }; > + }; > + }; > + }; > + };
diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt deleted file mode 100644 index 525a4bfd8634..000000000000 --- a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt +++ /dev/null @@ -1,112 +0,0 @@ -Cadence DSI bridge -================== - -The Cadence DSI bridge is a DPI to DSI bridge supporting up to 4 DSI lanes. - -Required properties: -- compatible: should be set to "cdns,dsi". -- reg: physical base address and length of the controller's registers. -- interrupts: interrupt line connected to the DSI bridge. -- clocks: DSI bridge clocks. -- clock-names: must contain "dsi_p_clk" and "dsi_sys_clk". -- phys: phandle link to the MIPI D-PHY controller. -- phy-names: must contain "dphy". -- #address-cells: must be set to 1. -- #size-cells: must be set to 0. - -Optional properties: -- resets: DSI reset lines. -- reset-names: can contain "dsi_p_rst". - -Required subnodes: -- ports: Ports as described in Documentation/devicetree/bindings/graph.txt. - 2 ports are available: - * port 0: this port is only needed if some of your DSI devices are - controlled through an external bus like I2C or SPI. Can have at - most 4 endpoints. The endpoint number is directly encoding the - DSI virtual channel used by this device. - * port 1: represents the DPI input. - Other ports will be added later to support the new kind of inputs. - -- one subnode per DSI device connected on the DSI bus. Each DSI device should - contain a reg property encoding its virtual channel. - -Example: - dsi0: dsi@fd0c0000 { - compatible = "cdns,dsi"; - reg = <0x0 0xfd0c0000 0x0 0x1000>; - clocks = <&pclk>, <&sysclk>; - clock-names = "dsi_p_clk", "dsi_sys_clk"; - interrupts = <1>; - phys = <&dphy0>; - phy-names = "dphy"; - #address-cells = <1>; - #size-cells = <0>; - - ports { - #address-cells = <1>; - #size-cells = <0>; - - port@1 { - reg = <1>; - dsi0_dpi_input: endpoint { - remote-endpoint = <&xxx_dpi_output>; - }; - }; - }; - - panel: dsi-dev@0 { - compatible = "<vendor,panel>"; - reg = <0>; - }; - }; - -or - - dsi0: dsi@fd0c0000 { - compatible = "cdns,dsi"; - reg = <0x0 0xfd0c0000 0x0 0x1000>; - clocks = <&pclk>, <&sysclk>; - clock-names = "dsi_p_clk", "dsi_sys_clk"; - interrupts = <1>; - phys = <&dphy1>; - phy-names = "dphy"; - #address-cells = <1>; - #size-cells = <0>; - - ports { - #address-cells = <1>; - #size-cells = <0>; - - port@0 { - reg = <0>; - #address-cells = <1>; - #size-cells = <0>; - - dsi0_output: endpoint@0 { - reg = <0>; - remote-endpoint = <&dsi_panel_input>; - }; - }; - - port@1 { - reg = <1>; - dsi0_dpi_input: endpoint { - remote-endpoint = <&xxx_dpi_output>; - }; - }; - }; - }; - - i2c@xxx { - panel: panel@59 { - compatible = "<vendor,panel>"; - reg = <0x59>; - - port { - dsi_panel_input: endpoint { - remote-endpoint = <&dsi0_output>; - }; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml new file mode 100644 index 000000000000..3161c33093c1 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml @@ -0,0 +1,157 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/cdns,dsi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence DSI bridge + +maintainers: + - Boris Brezillon <boris.brezillon@bootlin.com> + +description: | + CDNS DSI is a bridge device which converts DPI to DSI + +properties: + compatible: + enum: + - cdns,dsi + + reg: + maxItems: 1 + + clocks: + items: + - description: PSM clock, used by the IP + - description: sys clock, used by the IP + + clock-names: + items: + - const: dsi_p_clk + - const: dsi_sys_clk + + phys: + maxItems: 1 + + phy-names: + const: dphy + + interrupts: + maxItems: 1 + + resets: + maxItems: 1 + + reset-names: + const: dsi_p_rst + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + Output port representing the DSI output. It can have + at most 4 endpoints. The endpoint number is directly encoding + the DSI virtual channel used by this device. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + Input port representing the DPI input. + + required: + - port@1 + +allOf: + - $ref: ../dsi-controller.yaml# + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - phys + - phy-names + - ports + +unevaluatedProperties: false + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + dsi@fd0c0000 { + compatible = "cdns,dsi"; + reg = <0x0 0xfd0c0000 0x0 0x1000>; + clocks = <&pclk>, <&sysclk>; + clock-names = "dsi_p_clk", "dsi_sys_clk"; + interrupts = <1>; + phys = <&dphy0>; + phy-names = "dphy"; + + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <1>; + endpoint { + remote-endpoint = <&xxx_dpi_output>; + }; + }; + }; + + panel@0 { + compatible = "panasonic,vvx10f034n00"; + reg = <0>; + power-supply = <&vcc_lcd_reg>; + }; + }; + }; + + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + dsi@fd0c0000 { + compatible = "cdns,dsi"; + reg = <0x0 0xfd0c0000 0x0 0x1000>; + clocks = <&pclk>, <&sysclk>; + clock-names = "dsi_p_clk", "dsi_sys_clk"; + interrupts = <1>; + phys = <&dphy1>; + phy-names = "dphy"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + endpoint@0 { + reg = <0>; + remote-endpoint = <&dsi_panel_input>; + }; + }; + + port@1 { + reg = <1>; + endpoint { + remote-endpoint = <&xxx_dpi_output>; + }; + }; + }; + }; + };