Lontium LT8912B is a DSI to HDMI bridge.
Signed-off-by: Adrien Grassein adrien.grassein@gmail.com Reviewed-by: Rob Herring robh@kernel.org --- .../display/bridge/lontium,lt8912b.yaml | 102 ++++++++++++++++++ MAINTAINERS | 5 + 2 files changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml
diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml new file mode 100644 index 000000000000..735d0233a7d6 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/lontium,lt8912b.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Lontium LT8912B MIPI to HDMI Bridge + +maintainers: + - Adrien Grassein adrien.grassein@gmail.com + +description: | + The LT8912B is a bridge device which convert DSI to HDMI + +properties: + compatible: + enum: + - lontium,lt8912b + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + description: GPIO connected to active high RESET pin. + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + Primary MIPI port for MIPI input + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: true + + required: + - data-lanes + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: | + HDMI port, should be connected to a node compatible with the + hdmi-connector binding. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - reset-gpios + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + i2c4 { + #address-cells = <1>; + #size-cells = <0>; + + hdmi-bridge@48 { + compatible = "lontium,lt8912b"; + reg = <0x48>; + reset-gpios = <&max7323 0 GPIO_ACTIVE_LOW>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + hdmi_out_in: endpoint { + data-lanes = <0 1 2 3>; + remote-endpoint = <&mipi_dsi_out>; + }; + }; + + port@1 { + reg = <1>; + + endpoint { + remote-endpoint = <&hdmi_in>; + }; + }; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 16ada1a4b751..6366b8eac3f6 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10460,6 +10460,11 @@ S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git F: drivers/hid/hid-lg-g15.c
+LONTIUM LT8912B MIPI TO HDMI BRIDGE +M: Adrien Grassein adrien.grassein@gmail.com +S: Maintained +F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml + LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) M: Sathya Prakash sathya.prakash@broadcom.com M: Sreekanth Reddy sreekanth.reddy@broadcom.com