| Message ID | f5ab57311a0dc197ec25bde415271c4b4b85635a.1669620155.git.Sandor.yu@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Initial support for Cadence MHDP(HDMI/DP) for i.MX8MQ | expand |
On Mon, Nov 28, 2022 at 03:36:10PM +0800, Sandor Yu wrote: > Add bindings for i.MX8MQ MHDP DisplayPort. > > Signed-off-by: Sandor Yu <Sandor.yu@nxp.com> > --- > .../display/bridge/cdns,mhdp-imx8mq-dp.yaml | 102 ++++++++++++++++++ > 1 file changed, 102 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml > new file mode 100644 > index 000000000000..21cf87c79766 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml > @@ -0,0 +1,102 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-dp.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Cadence MHDP Displayport bridge > + > +maintainers: > + - Sandor Yu <Sandor.yu@nxp.com> > + > +description: > + The Cadence MHDP Displayport TX interface. > + > +properties: > + compatible: > + enum: > + - cdns,mhdp-imx8mq-dp nxp,ixm8mq-mhdp Cadence is not the vendor for imx8mq. It is doubtful that every vendor using this IP block will be the same because that rarely/never happens. And I assume the 'dp in 'mhdp' stands for DisplayPort, so we don't need it twice. > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + description: MHDP DP APB clock. Seems like there would be more than just a bus clock unless all the function clocks come from the display controller or phy. > + > + phys: > + maxItems: 1 > + > + interrupts: > + items: > + - description: Hotplug cable plugin. > + - description: Hotplug cable plugout. > + > + interrupt-names: > + items: > + - const: plug_in > + - const: plug_out > + > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + > + properties: > + port@0: > + $ref: /schemas/graph.yaml#/properties/port > + description: > + Input port from display controller output. > + port@1: > + $ref: /schemas/graph.yaml#/properties/port > + description: > + Output port to DP connector. > + > + required: > + - port@0 > + - port@1 > + > +required: > + - compatible > + - reg > + - clocks > + - interrupts > + - interrupt-names > + - phys > + - ports > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/imx8mq-clock.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + > + mhdp_dp: dp-bridge@32c00000 { > + compatible = "cdns,mhdp-imx8mq-dp"; > + reg = <0x32c00000 0x100000>; > + interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-names = "plug_in", "plug_out"; > + clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>; > + phys = <&dp_phy>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + mhdp_in: endpoint { > + remote-endpoint = <&dcss_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + > + mhdp_out: endpoint { > + remote-endpoint = <&dp_con>; > + }; > + }; > + }; > + }; > -- > 2.34.1 > >
diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml new file mode 100644 index 000000000000..21cf87c79766 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-dp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence MHDP Displayport bridge + +maintainers: + - Sandor Yu <Sandor.yu@nxp.com> + +description: + The Cadence MHDP Displayport TX interface. + +properties: + compatible: + enum: + - cdns,mhdp-imx8mq-dp + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + description: MHDP DP APB clock. + + phys: + maxItems: 1 + + interrupts: + items: + - description: Hotplug cable plugin. + - description: Hotplug cable plugout. + + interrupt-names: + items: + - const: plug_in + - const: plug_out + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + Input port from display controller output. + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + Output port to DP connector. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - clocks + - interrupts + - interrupt-names + - phys + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/imx8mq-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + mhdp_dp: dp-bridge@32c00000 { + compatible = "cdns,mhdp-imx8mq-dp"; + reg = <0x32c00000 0x100000>; + interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "plug_in", "plug_out"; + clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>; + phys = <&dp_phy>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + mhdp_in: endpoint { + remote-endpoint = <&dcss_out>; + }; + }; + + port@1 { + reg = <1>; + + mhdp_out: endpoint { + remote-endpoint = <&dp_con>; + }; + }; + }; + };
Add bindings for i.MX8MQ MHDP DisplayPort. Signed-off-by: Sandor Yu <Sandor.yu@nxp.com> --- .../display/bridge/cdns,mhdp-imx8mq-dp.yaml | 102 ++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml