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Diffstat (limited to 'dts/Bindings/display/bridge/ite,it6505.yaml')
| -rw-r--r-- | dts/Bindings/display/bridge/ite,it6505.yaml | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/dts/Bindings/display/bridge/ite,it6505.yaml b/dts/Bindings/display/bridge/ite,it6505.yaml new file mode 100644 index 0000000000..c9a882ee6d --- /dev/null +++ b/dts/Bindings/display/bridge/ite,it6505.yaml @@ -0,0 +1,150 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/ite,it6505.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ITE it6505 + +maintainers: + - Allen Chen <allen.chen@ite.com.tw> + +description: | + The IT6505 is a high-performance DisplayPort 1.1a transmitter, + fully compliant with DisplayPort 1.1a, HDCP 1.3 specifications. + The IT6505 supports color depth of up to 36 bits (12 bits/color) + and ensures robust transmission of high-quality uncompressed video + content, along with uncompressed and compressed digital audio content. + + Aside from the various video output formats supported, the IT6505 + also encodes and transmits up to 8 channels of I2S digital audio, + with sampling rate up to 192kHz and sample size up to 24 bits. + In addition, an S/PDIF input port takes in compressed audio of up to + 192kHz frame rate. + + Each IT6505 chip comes preprogrammed with an unique HDCP key, + in compliance with the HDCP 1.3 standard so as to provide secure + transmission of high-definition content. Users of the IT6505 need not + purchase any HDCP keys or ROMs. + +properties: + compatible: + const: ite,it6505 + + reg: + maxItems: 1 + + ovdd-supply: + description: I/O voltage + + pwr18-supply: + description: core voltage + + interrupts: + maxItems: 1 + description: interrupt specifier of INT pin + + reset-gpios: + maxItems: 1 + description: gpio specifier of RESET pin + + extcon: + maxItems: 1 + description: extcon specifier for the Power Delivery + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: A port node pointing to DPI host port node + + properties: + endpoint: + $ref: /schemas/graph.yaml#/$defs/endpoint-base + unevaluatedProperties: false + + properties: + link-frequencies: + minItems: 1 + maxItems: 1 + description: Allowed max link frequencies in Hz + + port@1: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: Video port for DP output + + properties: + endpoint: + $ref: /schemas/graph.yaml#/$defs/endpoint-base + unevaluatedProperties: false + + properties: + data-lanes: + minItems: 1 + uniqueItems: true + items: + - enum: [ 0, 1 ] + - const: 1 + - const: 2 + - const: 3 + + required: + - port@0 + - port@1 + +required: + - compatible + - ovdd-supply + - pwr18-supply + - interrupts + - reset-gpios + - extcon + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + dp-bridge@5c { + compatible = "ite,it6505"; + interrupts = <152 IRQ_TYPE_EDGE_FALLING 152 0>; + reg = <0x5c>; + pinctrl-names = "default"; + pinctrl-0 = <&it6505_pins>; + ovdd-supply = <&mt6358_vsim1_reg>; + pwr18-supply = <&it6505_pp18_reg>; + reset-gpios = <&pio 179 1>; + extcon = <&usbc_extcon>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + it6505_in: endpoint { + remote-endpoint = <&dpi_out>; + link-frequencies = /bits/ 64 <150000000>; + }; + }; + + port@1 { + reg = <1>; + it6505_out: endpoint { + remote-endpoint = <&dp_in>; + data-lanes = <0 1>; + }; + }; + }; + }; + }; |