| Message ID | 20210518141927.24795-2-dafna.hirschfeld@collabora.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | b67f7599c90ae36a5174826132f7690fa13d462c |
| Headers | show |
| Series | Add support for ANX7688 | expand |
Series applied to drm-misc-next. https://cgit.freedesktop.org/drm/drm-misc/commit/?id=b67f7599c90ae36a5174826132f7690fa13d462c On Tue, 18 May 2021 at 16:19, Dafna Hirschfeld <dafna.hirschfeld@collabora.com> wrote: > > ChromeOS EC ANX7688 is a display bridge that converts HDMI 2.0 to > DisplayPort 1.3 Ultra-HDi (4096x2160p60). It is an Analogix ANX7688 chip > which is connected to and operated by the ChromeOS Embedded Controller > (See google,cros-ec.yaml). It is accessed using I2C tunneling through > the EC and therefore its node should be a child of an EC I2C tunnel node > (See google,cros-ec-i2c-tunnel.yaml). > > ChromOS EC ANX7688 is found on Acer Chromebook R13 (elm) > > Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> > Reviewed-by: Rob Herring <robh@kernel.org> > --- > .../bridge/google,cros-ec-anx7688.yaml | 82 +++++++++++++++++++ > 1 file changed, 82 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml b/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml > new file mode 100644 > index 000000000000..9f7cc6b757cb > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml > @@ -0,0 +1,82 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/google,cros-ec-anx7688.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: ChromeOS EC ANX7688 HDMI to DP Converter through Type-C Port > + > +maintainers: > + - Nicolas Boichat <drinkcat@chromium.org> > + - Enric Balletbo i Serra <enric.balletbo@collabora.com> > + > +description: | > + ChromeOS EC ANX7688 is a display bridge that converts HDMI 2.0 to > + DisplayPort 1.3 Ultra-HDi (4096x2160p60). It is an Analogix ANX7688 chip > + which is connected to and operated by the ChromeOS Embedded Controller > + (See google,cros-ec.yaml). It is accessed using I2C tunneling through > + the EC and therefore its node should be a child of an EC I2C tunnel node > + (See google,cros-ec-i2c-tunnel.yaml). > + > +properties: > + compatible: > + const: google,cros-ec-anx7688 > + > + reg: > + maxItems: 1 > + description: I2C address of the device. > + > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + > + properties: > + port@0: > + $ref: /schemas/graph.yaml#/properties/port > + description: Video port for HDMI input. > + > + port@1: > + $ref: /schemas/graph.yaml#/properties/port > + description: USB Type-c connector. > + > + required: > + - port@0 > + - port@1 > + > +required: > + - compatible > + - reg > + - ports > + > +additionalProperties: false > + > +examples: > + - | > + i2c_tunnel_b: i2c-tunnel1 { > + compatible = "google,cros-ec-i2c-tunnel"; > + google,remote-bus = <1>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + anx7688: anx7688@2c { > + compatible = "google,cros-ec-anx7688"; > + reg = <0x2c>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + port@0 { > + reg = <0>; > + anx7688_in: endpoint { > + remote-endpoint = <&hdmi0_out>; > + }; > + }; > + port@1 { > + reg = <1>; > + anx7688_out: endpoint { > + remote-endpoint = <&typec_connector>; > + }; > + }; > + }; > + }; > + }; > + > -- > 2.17.1 >
diff --git a/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml b/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml new file mode 100644 index 000000000000..9f7cc6b757cb --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/google,cros-ec-anx7688.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ChromeOS EC ANX7688 HDMI to DP Converter through Type-C Port + +maintainers: + - Nicolas Boichat <drinkcat@chromium.org> + - Enric Balletbo i Serra <enric.balletbo@collabora.com> + +description: | + ChromeOS EC ANX7688 is a display bridge that converts HDMI 2.0 to + DisplayPort 1.3 Ultra-HDi (4096x2160p60). It is an Analogix ANX7688 chip + which is connected to and operated by the ChromeOS Embedded Controller + (See google,cros-ec.yaml). It is accessed using I2C tunneling through + the EC and therefore its node should be a child of an EC I2C tunnel node + (See google,cros-ec-i2c-tunnel.yaml). + +properties: + compatible: + const: google,cros-ec-anx7688 + + reg: + maxItems: 1 + description: I2C address of the device. + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for HDMI input. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: USB Type-c connector. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - ports + +additionalProperties: false + +examples: + - | + i2c_tunnel_b: i2c-tunnel1 { + compatible = "google,cros-ec-i2c-tunnel"; + google,remote-bus = <1>; + #address-cells = <1>; + #size-cells = <0>; + + anx7688: anx7688@2c { + compatible = "google,cros-ec-anx7688"; + reg = <0x2c>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + anx7688_in: endpoint { + remote-endpoint = <&hdmi0_out>; + }; + }; + port@1 { + reg = <1>; + anx7688_out: endpoint { + remote-endpoint = <&typec_connector>; + }; + }; + }; + }; + }; +