tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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dt-bindings: bridge: lt8713sx: Add bindings

Add bindings for lt8713sx.

Co-developed-by: Prahlad Valluru <vvalluru@qti.qualcomm.com>
Signed-off-by: Prahlad Valluru <vvalluru@qti.qualcomm.com>
Signed-off-by: Vishnu Saini <vishnu.saini@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Cc: Simon Zhu <xmzhu@lontium.corp-partner.google.com>
Link: https://patch.msgid.link/20260303-lt8713sx-bridge-driver-v5-1-6cc2a855aafa@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

authored by

Vishnu Saini and committed by
Dmitry Baryshkov 130daea1 7315728a

+113
+113
Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml
··· 1 + # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2 + %YAML 1.2 3 + --- 4 + $id: http://devicetree.org/schemas/display/bridge/lontium,lt8713sx.yaml# 5 + $schema: http://devicetree.org/meta-schemas/core.yaml# 6 + 7 + title: Lontium LT8713SX Type-C/DP1.4 to Type-C/DP1.4/HDMI2.0/DP++ bridge-hub 8 + 9 + maintainers: 10 + - Vishnu Saini <vishnu.saini@oss.qualcomm.com> 11 + 12 + description: 13 + The Lontium LT8713SX is a Type-C/DP1.4 to Type-C/DP1.4/HDMI2.0 converter 14 + that integrates one DP input and up to three configurable output interfaces 15 + (DP1.4 / HDMI2.0 / DP++), with SST/MST functionality and audio support. 16 + 17 + properties: 18 + compatible: 19 + enum: 20 + - lontium,lt8713sx 21 + 22 + reg: 23 + maxItems: 1 24 + 25 + vcc-supply: 26 + description: Regulator for 3.3V vcc. 27 + 28 + vdd-supply: 29 + description: Regulator for 1.1V vdd. 30 + 31 + reset-gpios: 32 + description: GPIO connected to active low RESET pin. 33 + 34 + ports: 35 + $ref: /schemas/graph.yaml#/properties/ports 36 + 37 + properties: 38 + port@0: 39 + $ref: /schemas/graph.yaml#/properties/port 40 + description: 41 + DP port for DP input from soc to bridge chip 42 + 43 + port@1: 44 + $ref: /schemas/graph.yaml#/properties/port 45 + description: 46 + DP port for DP output from bridge 47 + 48 + port@2: 49 + $ref: /schemas/graph.yaml#/properties/port 50 + description: 51 + Additional DP port for DP output from bridge 52 + 53 + port@3: 54 + $ref: /schemas/graph.yaml#/properties/port 55 + description: 56 + Additional DP port for DP output from bridge 57 + 58 + required: 59 + - port@0 60 + 61 + required: 62 + - compatible 63 + - reg 64 + - ports 65 + 66 + additionalProperties: false 67 + 68 + examples: 69 + - | 70 + #include <dt-bindings/gpio/gpio.h> 71 + 72 + i2c { 73 + #address-cells = <1>; 74 + #size-cells = <0>; 75 + bridge@4f { 76 + compatible = "lontium,lt8713sx"; 77 + reg = <0x4f>; 78 + reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>; 79 + 80 + ports { 81 + #address-cells = <1>; 82 + #size-cells = <0>; 83 + 84 + port@0 { 85 + reg = <0>; 86 + lt8713sx_dp_in: endpoint { 87 + remote-endpoint = <&mdss_dp0_out>; 88 + }; 89 + }; 90 + 91 + port@1 { 92 + reg = <1>; 93 + lt8713sx_dp0_out: endpoint { 94 + remote-endpoint = <&dp0_connector_in>; 95 + }; 96 + }; 97 + 98 + port@2 { 99 + reg = <2>; 100 + lt8713sx_dp1_out: endpoint { 101 + remote-endpoint = <&dp1_connector_in>; 102 + }; 103 + }; 104 + 105 + port@3 { 106 + reg = <3>; 107 + lt8713sx_dp2_out: endpoint { 108 + remote-endpoint = <&dp2_connector_in>; 109 + }; 110 + }; 111 + }; 112 + }; 113 + };