RE: [PATCH v6 1/3] dt-binding: display: Add ITE IT61620 MIPI DSI to HDMI bridge

[Pet.Weng]

> On Fri, Jan 30, 2026 at 03:51:34PM +0800, Pet Weng wrote:
> > This chip receives MIPI DSI input and outputs HDMI, and is commonly
> > connected to SoCs via I2C and DSI.
> >
> > Signed-off-by: Pet Weng <pet.weng@xxxxxxxxxx>
> 
> Missing Krzysztof's Reviewed-by.
> 

Thanks for pointing that out.
You're right — I missed Krzysztof's Reviewed-by tag. I’ll include it in the next revision.
Pet

> > ---
> >  .../bindings/display/bridge/ite,it61620.yaml       | 142 +++++++++++++++++++++
> >  1 file changed, 142 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it61620.yaml
> b/Documentation/devicetree/bindings/display/bridge/ite,it61620.yaml
> > new file mode 100644
> > index 0000000000000000000000000000000000000000..e195d192f6b1a2d092b3745e3e7f62b8b1d2d8ce
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/bridge/ite,it61620.yaml
> > @@ -0,0 +1,142 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/display/bridge/ite,it61620.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: ITE IT61620 MIPI DSI to HDMI Bridge
> > +
> > +maintainers:
> > +  - Pet Weng <pet.weng@xxxxxxxxxx>
> > +
> > +description: |
> > +  The ITE IT61620 is a high-performance, low-power HDMI bridge that converts
> > +  MIPI DSI input to HDMI 1.4b TMDS output. It supports up to 4 lanes of MIPI
> > +  D-PHY 2.0 input at 2.5Gbps per lane (10Gbps total), compatible with DSI-2
> > +  v2.0.
> > +
> > +  The HDMI transmitter side supports up to 4Kx2K@30Hz resolutions, and is
> > +  compliant with HDMI 1.4b and HDCP 1.4.
> > +
> > +  For audio, the IT61620 supports up to 8-channel LPCM via I2S (multi-line or
> > +  TDM mode), with optional S/PDIF or DSD (for SACD). It supports audio
> > +  sampling rates up to 192kHz.
> > +
> > +allOf:
> > +  - $ref: /schemas/sound/dai-common.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    const: ite,it61620
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  reset-gpios:
> > +    maxItems: 1
> > +
> > +  ivdd-supply:
> > +    description: core voltage
> > +
> > +  ovdd-supply:
> > +    description: I/O voltage
> > +
> > +  ovdd1833-supply:
> > +    description: flexible I/O voltage
> > +
> > +  "#sound-dai-cells":
> > +    const: 0
> > +
> > +  ports:
> > +    $ref: /schemas/graph.yaml#/properties/ports
> > +
> > +    properties:
> > +      port@0:
> > +        $ref: /schemas/graph.yaml#/$defs/port-base
> > +        unevaluatedProperties: false
> > +        description: Input port for MIPI DSI
> > +
> > +        properties:
> > +          endpoint:
> > +            $ref: /schemas/media/video-interfaces.yaml#
> > +            unevaluatedProperties: false
> > +            required:
> > +              - data-lanes
> > +
> > +      port@1:
> > +        $ref: /schemas/graph.yaml#/properties/port
> > +        description: Output port for HDMI output
> > +
> > +      port@2:
> > +        $ref: /schemas/graph.yaml#/properties/port
> > +        description: Audio input port (I2S)
> > +
> > +    required:
> > +      - port@0
> > +      - port@1
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - interrupts
> > +  - reset-gpios
> > +  - ivdd-supply
> > +  - ovdd-supply
> > +  - ovdd1833-supply
> > +  - ports
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/gpio/gpio.h>
> > +    #include <dt-bindings/interrupt-controller/irq.h>
> > +
> > +    i2c {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        bridge@58 {
> > +            compatible = "ite,it61620";
> > +            reg = <0x58>;
> > +            #sound-dai-cells = <0>;
> > +            interrupt-parent = <&pio>;
> > +            interrupts = <128 IRQ_TYPE_LEVEL_LOW>;
> > +            pinctrl-names = "default";
> > +            pinctrl-0 = <&it61620_pins>;
> > +            reset-gpios = <&pio 127 GPIO_ACTIVE_LOW>;
> > +            ivdd-supply = <&pp1000_hdmi_x>;
> > +            ovdd-supply = <&pp3300_vio28_x>;
> > +            ovdd1833-supply = <&pp1800_vcamio_x>;
> > +
> > +            ports {
> > +                #address-cells = <1>;
> > +                #size-cells = <0>;
> > +
> > +                port@0 {
> > +                    reg = <0>;
> > +                    it61620_dsi_in: endpoint {
> > +                        data-lanes = <0 1 2 3>;
> > +                        remote-endpoint = <&dsi_out>;
> > +                    };
> > +                };
> > +
> > +                port@1 {
> > +                    reg = <1>;
> > +                    it61620_hdmi_out: endpoint {
> > +                        remote-endpoint = <&hdmi_connector_in>;
> > +                    };
> > +                };
> > +
> > +                port@2 {
> > +                    reg = <2>;
> > +                    it61620_audio_in: endpoint {
> > +                        remote-endpoint = <&i2s0_out>;
> > +                    };
> > +                };
> > +            };
> > +        };
> > +    };
> >
> > --
> > 2.34.1
> >