1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/display/bri 4 $id: http://devicetree.org/schemas/display/bridge/ps8640.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: MIPI DSI to eDP Video Format Converter !! 7 title: MIPI DSI to eDP Video Format Converter Device Tree Bindings
8 8
9 maintainers: 9 maintainers:
10 - Nicolas Boichat <drinkcat@chromium.org> 10 - Nicolas Boichat <drinkcat@chromium.org>
>> 11 - Enric Balletbo i Serra <enric.balletbo@collabora.com>
11 12
12 description: | 13 description: |
13 The PS8640 is a low power MIPI-to-eDP video 14 The PS8640 is a low power MIPI-to-eDP video format converter supporting
14 mobile devices with embedded panel resolutio 15 mobile devices with embedded panel resolutions up to 2048 x 1536. The
15 device accepts a single channel of MIPI DSI 16 device accepts a single channel of MIPI DSI v1.1, with up to four lanes
16 plus clock, at a transmission rate up to 1.5 17 plus clock, at a transmission rate up to 1.5Gbit/sec per lane. The
17 device outputs eDP v1.4, one or two lanes, a 18 device outputs eDP v1.4, one or two lanes, at a link rate of up to
18 3.24Gbit/sec per lane. 19 3.24Gbit/sec per lane.
19 20
20 properties: 21 properties:
21 compatible: 22 compatible:
22 const: parade,ps8640 23 const: parade,ps8640
23 24
24 reg: 25 reg:
25 maxItems: 1 26 maxItems: 1
26 description: Base I2C address of the devic 27 description: Base I2C address of the device.
27 28
28 powerdown-gpios: 29 powerdown-gpios:
29 maxItems: 1 30 maxItems: 1
30 description: GPIO connected to active low 31 description: GPIO connected to active low powerdown.
31 32
32 reset-gpios: 33 reset-gpios:
33 maxItems: 1 34 maxItems: 1
34 description: GPIO connected to active low 35 description: GPIO connected to active low reset.
35 36
36 vdd12-supply: 37 vdd12-supply:
37 description: Regulator for 1.2V digital co 38 description: Regulator for 1.2V digital core power.
38 39
39 vdd33-supply: 40 vdd33-supply:
40 description: Regulator for 3.3V digital co 41 description: Regulator for 3.3V digital core power.
41 42
42 aux-bus: <<
43 $ref: /schemas/display/dp-aux-bus.yaml# <<
44 <<
45 ports: 43 ports:
46 $ref: /schemas/graph.yaml#/properties/port 44 $ref: /schemas/graph.yaml#/properties/ports
47 45
48 properties: 46 properties:
49 port@0: 47 port@0:
50 $ref: /schemas/graph.yaml#/properties/ 48 $ref: /schemas/graph.yaml#/properties/port
51 description: 49 description:
52 Video port for DSI input 50 Video port for DSI input
53 51
54 port@1: 52 port@1:
55 $ref: /schemas/graph.yaml#/properties/ 53 $ref: /schemas/graph.yaml#/properties/port
56 description: 54 description:
57 Video port for eDP output (panel or 55 Video port for eDP output (panel or connector).
58 56
59 required: 57 required:
60 - port@0 58 - port@0
61 59
62 required: 60 required:
63 - compatible 61 - compatible
64 - reg 62 - reg
65 - powerdown-gpios 63 - powerdown-gpios
66 - reset-gpios 64 - reset-gpios
67 - vdd12-supply 65 - vdd12-supply
68 - vdd33-supply 66 - vdd33-supply
69 - ports 67 - ports
70 68
71 additionalProperties: false 69 additionalProperties: false
72 70
73 examples: 71 examples:
74 - | 72 - |
75 #include <dt-bindings/gpio/gpio.h> 73 #include <dt-bindings/gpio/gpio.h>
76 i2c { !! 74 i2c0 {
77 #address-cells = <1>; 75 #address-cells = <1>;
78 #size-cells = <0>; 76 #size-cells = <0>;
79 77
80 ps8640: edp-bridge@18 { 78 ps8640: edp-bridge@18 {
81 compatible = "parade,ps8640"; 79 compatible = "parade,ps8640";
82 reg = <0x18>; 80 reg = <0x18>;
83 powerdown-gpios = <&pio 116 GPIO_A 81 powerdown-gpios = <&pio 116 GPIO_ACTIVE_LOW>;
84 reset-gpios = <&pio 115 GPIO_ACTIV 82 reset-gpios = <&pio 115 GPIO_ACTIVE_LOW>;
85 vdd12-supply = <&ps8640_fixed_1v2> 83 vdd12-supply = <&ps8640_fixed_1v2>;
86 vdd33-supply = <&mt6397_vgp2_reg>; 84 vdd33-supply = <&mt6397_vgp2_reg>;
87 85
88 ports { 86 ports {
89 #address-cells = <1>; 87 #address-cells = <1>;
90 #size-cells = <0>; 88 #size-cells = <0>;
91 89
92 port@0 { 90 port@0 {
93 reg = <0>; 91 reg = <0>;
94 ps8640_in: endpoint { 92 ps8640_in: endpoint {
95 remote-endpoint = <&ds 93 remote-endpoint = <&dsi0_out>;
96 }; 94 };
97 }; 95 };
98 96
99 port@1 { 97 port@1 {
100 reg = <1>; 98 reg = <1>;
101 ps8640_out: endpoint { 99 ps8640_out: endpoint {
102 remote-endpoint = <&pa 100 remote-endpoint = <&panel_in>;
103 }; !! 101 };
104 }; <<
105 }; <<
106 <<
107 aux-bus { <<
108 panel { <<
109 compatible = "boe,nv133fhm <<
110 power-supply = <&pp3300_dx <<
111 backlight = <&backlight>; <<
112 <<
113 port { <<
114 panel_in: endpoint { <<
115 remote-endpoint = <<
116 }; <<
117 }; <<
118 }; 102 };
119 }; 103 };
120 }; 104 };
121 }; 105 };
>> 106
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