1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2# Copyright 2019 Analogix Semiconductor, Inc. 3%YAML 1.2 4--- 5$id: http://devicetree.org/schemas/display/bridge/analogix,anx7625.yaml# 6$schema: http://devicetree.org/meta-schemas/core.yaml# 7 8title: Analogix ANX7625 SlimPort (4K Mobile HD Transmitter) 9 10maintainers: 11 - Xin Ji <xji@analogixsemi.com> 12 13description: | 14 The ANX7625 is an ultra-low power 4K Mobile HD Transmitter 15 designed for portable devices. 16 17properties: 18 compatible: 19 const: analogix,anx7625 20 21 reg: 22 maxItems: 1 23 24 interrupts: 25 description: used for interrupt pin B8. 26 maxItems: 1 27 28 enable-gpios: 29 description: used for power on chip control, POWER_EN pin D2. 30 maxItems: 1 31 32 reset-gpios: 33 description: used for reset chip control, RESET_N pin B7. 34 maxItems: 1 35 36 vdd10-supply: 37 description: Regulator that provides the supply 1.0V power. 38 39 vdd18-supply: 40 description: Regulator that provides the supply 1.8V power. 41 42 vdd33-supply: 43 description: Regulator that provides the supply 3.3V power. 44 45 analogix,lane0-swing: 46 $ref: /schemas/types.yaml#/definitions/uint8-array 47 minItems: 1 48 maxItems: 20 49 description: 50 an array of swing register setting for DP tx lane0 PHY. 51 Registers 0~9 are Swing0_Pre0, Swing1_Pre0, Swing2_Pre0, 52 Swing3_Pre0, Swing0_Pre1, Swing1_Pre1, Swing2_Pre1, Swing0_Pre2, 53 Swing1_Pre2, Swing0_Pre3, they are for [Boost control] and 54 [Swing control] setting. 55 Registers 0~9, bit 3:0 is [Boost control], these bits control 56 post cursor manual, increase the [Boost control] to increase 57 Pre-emphasis value. 58 Registers 0~9, bit 6:4 is [Swing control], these bits control 59 swing manual, increase [Swing control] setting to add Vp-p value 60 for each Swing, Pre. 61 Registers 10~19 are Swing0_Pre0, Swing1_Pre0, Swing2_Pre0, 62 Swing3_Pre0, Swing0_Pre1, Swing1_Pre1, Swing2_Pre1, Swing0_Pre2, 63 Swing1_Pre2, Swing0_Pre3, they are for [R select control] and 64 [R Termination control] setting. 65 Registers 10~19, bit 4:0 is [R select control], these bits are 66 compensation manual, increase it can enhance IO driven strength 67 and Vp-p. 68 Registers 10~19, bit 5:6 is [R termination control], these bits 69 adjust 50ohm impedance of DP tx termination. 00:55 ohm, 70 01:50 ohm(default), 10:45 ohm, 11:40 ohm. 71 72 analogix,lane1-swing: 73 $ref: /schemas/types.yaml#/definitions/uint8-array 74 minItems: 1 75 maxItems: 20 76 description: 77 an array of swing register setting for DP tx lane1 PHY. 78 DP TX lane1 swing register setting same with lane0 79 swing, please refer lane0-swing property description. 80 81 analogix,audio-enable: 82 type: boolean 83 description: let the driver enable audio HDMI codec function or not. 84 85 aux-bus: 86 $ref: /schemas/display/dp-aux-bus.yaml# 87 88 ports: 89 $ref: /schemas/graph.yaml#/properties/ports 90 91 properties: 92 port@0: 93 $ref: /schemas/graph.yaml#/$defs/port-base 94 unevaluatedProperties: false 95 description: 96 MIPI DSI/DPI input. 97 98 properties: 99 endpoint: 100 $ref: /schemas/media/video-interfaces.yaml# 101 type: object 102 additionalProperties: false 103 104 properties: 105 remote-endpoint: true 106 107 bus-type: 108 enum: [7] 109 default: 1 110 111 data-lanes: true 112 113 port@1: 114 $ref: /schemas/graph.yaml#/properties/port 115 description: 116 Video port for panel or connector. 117 118 required: 119 - port@0 120 - port@1 121 122required: 123 - compatible 124 - reg 125 - vdd10-supply 126 - vdd18-supply 127 - vdd33-supply 128 - ports 129 130additionalProperties: false 131 132examples: 133 - | 134 #include <dt-bindings/gpio/gpio.h> 135 136 i2c { 137 #address-cells = <1>; 138 #size-cells = <0>; 139 140 encoder@58 { 141 compatible = "analogix,anx7625"; 142 reg = <0x58>; 143 enable-gpios = <&pio 45 GPIO_ACTIVE_HIGH>; 144 reset-gpios = <&pio 73 GPIO_ACTIVE_HIGH>; 145 vdd10-supply = <&pp1000_mipibrdg>; 146 vdd18-supply = <&pp1800_mipibrdg>; 147 vdd33-supply = <&pp3300_mipibrdg>; 148 analogix,audio-enable; 149 analogix,lane0-swing = /bits/ 8 <0x14 0x54 0x64 0x74>; 150 analogix,lane1-swing = /bits/ 8 <0x14 0x54 0x64 0x74>; 151 152 ports { 153 #address-cells = <1>; 154 #size-cells = <0>; 155 156 mipi2dp_bridge_in: port@0 { 157 reg = <0>; 158 anx7625_in: endpoint { 159 remote-endpoint = <&mipi_dsi>; 160 bus-type = <7>; 161 data-lanes = <0 1 2 3>; 162 }; 163 }; 164 165 mipi2dp_bridge_out: port@1 { 166 reg = <1>; 167 anx7625_out: endpoint { 168 remote-endpoint = <&panel_in>; 169 }; 170 }; 171 }; 172 173 aux-bus { 174 panel { 175 compatible = "innolux,n125hce-gn1"; 176 power-supply = <&pp3300_disp_x>; 177 backlight = <&backlight_lcd0>; 178 179 port { 180 panel_in: endpoint { 181 remote-endpoint = <&anx7625_out>; 182 }; 183 }; 184 }; 185 }; 186 }; 187 }; 188