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| -rw-r--r-- | Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml | 188 |
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diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml new file mode 100644 index 000000000000..4590186c4a0b --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml @@ -0,0 +1,188 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2019 Analogix Semiconductor, Inc. +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/display/bridge/analogix,anx7625.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Analogix ANX7625 SlimPort (4K Mobile HD Transmitter) + +maintainers: + - Xin Ji <xji@analogixsemi.com> + +description: | + The ANX7625 is an ultra-low power 4K Mobile HD Transmitter + designed for portable devices. + +properties: + compatible: + items: + - const: analogix,anx7625 + + reg: + maxItems: 1 + + interrupts: + description: used for interrupt pin B8. + maxItems: 1 + + enable-gpios: + description: used for power on chip control, POWER_EN pin D2. + maxItems: 1 + + reset-gpios: + description: used for reset chip control, RESET_N pin B7. + maxItems: 1 + + vdd10-supply: + description: Regulator that provides the supply 1.0V power. + + vdd18-supply: + description: Regulator that provides the supply 1.8V power. + + vdd33-supply: + description: Regulator that provides the supply 3.3V power. + + analogix,lane0-swing: + $ref: /schemas/types.yaml#/definitions/uint8-array + minItems: 1 + maxItems: 20 + description: + an array of swing register setting for DP tx lane0 PHY. + Registers 0~9 are Swing0_Pre0, Swing1_Pre0, Swing2_Pre0, + Swing3_Pre0, Swing0_Pre1, Swing1_Pre1, Swing2_Pre1, Swing0_Pre2, + Swing1_Pre2, Swing0_Pre3, they are for [Boost control] and + [Swing control] setting. + Registers 0~9, bit 3:0 is [Boost control], these bits control + post cursor manual, increase the [Boost control] to increase + Pre-emphasis value. + Registers 0~9, bit 6:4 is [Swing control], these bits control + swing manual, increase [Swing control] setting to add Vp-p value + for each Swing, Pre. + Registers 10~19 are Swing0_Pre0, Swing1_Pre0, Swing2_Pre0, + Swing3_Pre0, Swing0_Pre1, Swing1_Pre1, Swing2_Pre1, Swing0_Pre2, + Swing1_Pre2, Swing0_Pre3, they are for [R select control] and + [R Termination control] setting. + Registers 10~19, bit 4:0 is [R select control], these bits are + compensation manual, increase it can enhance IO driven strength + and Vp-p. + Registers 10~19, bit 5:6 is [R termination control], these bits + adjust 50ohm impedance of DP tx termination. 00:55 ohm, + 01:50 ohm(default), 10:45 ohm, 11:40 ohm. + + analogix,lane1-swing: + $ref: /schemas/types.yaml#/definitions/uint8-array + minItems: 1 + maxItems: 20 + description: + an array of swing register setting for DP tx lane1 PHY. + DP TX lane1 swing register setting same with lane0 + swing, please refer lane0-swing property description. + + analogix,audio-enable: + type: boolean + description: let the driver enable audio HDMI codec function or not. + + aux-bus: + $ref: /schemas/display/dp-aux-bus.yaml# + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: + MIPI DSI/DPI input. + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + type: object + additionalProperties: false + + properties: + remote-endpoint: true + + bus-type: + enum: [7] + default: 1 + + data-lanes: true + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + Video port for panel or connector. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - vdd10-supply + - vdd18-supply + - vdd33-supply + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + encoder@58 { + compatible = "analogix,anx7625"; + reg = <0x58>; + enable-gpios = <&pio 45 GPIO_ACTIVE_HIGH>; + reset-gpios = <&pio 73 GPIO_ACTIVE_HIGH>; + vdd10-supply = <&pp1000_mipibrdg>; + vdd18-supply = <&pp1800_mipibrdg>; + vdd33-supply = <&pp3300_mipibrdg>; + analogix,audio-enable; + analogix,lane0-swing = /bits/ 8 <0x14 0x54 0x64 0x74>; + analogix,lane1-swing = /bits/ 8 <0x14 0x54 0x64 0x74>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + mipi2dp_bridge_in: port@0 { + reg = <0>; + anx7625_in: endpoint { + remote-endpoint = <&mipi_dsi>; + bus-type = <7>; + data-lanes = <0 1 2 3>; + }; + }; + + mipi2dp_bridge_out: port@1 { + reg = <1>; + anx7625_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + + aux-bus { + panel { + compatible = "innolux,n125hce-gn1"; + power-supply = <&pp3300_disp_x>; + backlight = <&backlight_lcd0>; + + port { + panel_in: endpoint { + remote-endpoint = <&anx7625_out>; + }; + }; + }; + }; + }; + }; |