# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/bridge/ti,sn65dsi86.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: SN65DSI86 DSI to eDP bridge chip
maintainers:
- Douglas Anderson <[email protected]>
description: |
The Texas Instruments SN65DSI86 bridge takes MIPI DSI in and outputs eDP.
https://www.ti.com/general/docs/lit/getliterature.tsp?genericPartNumber=sn65dsi86&fileType=pdf
properties:
compatible:
const: ti,sn65dsi86
reg:
enum: [ 0x2c, 0x2d ]
enable-gpios:
maxItems: 1
description: GPIO specifier for bridge_en pin (active high).
suspend-gpios:
maxItems: 1
description: GPIO specifier for GPIO1 pin on bridge (active low).
no-hpd:
type: boolean
description:
Set if the HPD line on the bridge isn't hooked up to anything or is
otherwise unusable.
vccio-supply:
description: A 1.8V supply that powers the digital IOs.
vpll-supply:
description: A 1.8V supply that powers the DisplayPort PLL.
vcca-supply:
description: A 1.2V supply that powers the analog circuits.
vcc-supply:
description: A 1.2V supply that powers the digital core.
interrupts:
maxItems: 1
clocks:
maxItems: 1
description:
Clock specifier for input reference clock. The reference clock rate must
be 12 MHz, 19.2 MHz, 26 MHz, 27 MHz or 38.4 MHz.
clock-names:
const: refclk
gpio-controller: true
'#gpio-cells':
const: 2
description:
First cell is pin number, second cell is flags. GPIO pin numbers are
1-based to match the datasheet. See ../../gpio/gpio.txt for more
information.
'#pwm-cells':
const: 1
description: See ../../pwm/pwm.yaml for description of the cell formats.
aux-bus:
$ref: /schemas/display/dp-aux-bus.yaml#
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: /schemas/graph.yaml#/properties/port
description:
Video port for MIPI DSI input
port@1:
$ref: /schemas/graph.yaml#/$defs/port-base
unevaluatedProperties: false
description:
Video port for eDP output (panel or connector).
properties:
endpoint:
$ref: /schemas/media/video-interfaces.yaml#
unevaluatedProperties: false
properties:
data-lanes:
oneOf:
- minItems: 1
maxItems: 1
uniqueItems: true
items:
enum:
- 0
- 1
description:
If you have 1 logical lane the bridge supports routing
to either port 0 or port 1. Port 0 is suggested.
- minItems: 2
maxItems: 2
uniqueItems: true
items:
enum:
- 0
- 1
description:
If you have 2 logical lanes the bridge supports
reordering but only on physical ports 0 and 1.
- minItems: 4
maxItems: 4
uniqueItems: true
items:
enum:
- 0
- 1
- 2
- 3
description:
If you have 4 logical lanes the bridge supports
reordering in any way.
lane-polarities:
minItems: 1
maxItems: 4
items:
enum:
- 0
- 1
dependencies:
lane-polarities: [data-lanes]
required:
- port@0
- port@1
required:
- compatible
- reg
- vccio-supply
- vpll-supply
- vcca-supply
- vcc-supply
- ports
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
bridge@2d {
compatible = "ti,sn65dsi86";
reg = <0x2d>;
interrupt-parent = <&tlmm>;
interrupts = <10 IRQ_TYPE_LEVEL_HIGH>;
enable-gpios = <&tlmm 102 GPIO_ACTIVE_HIGH>;
vpll-supply = <&src_pp1800_s4a>;
vccio-supply = <&src_pp1800_s4a>;
vcca-supply = <&src_pp1200_l2a>;
vcc-supply = <&src_pp1200_l2a>;
clocks = <&rpmhcc RPMH_LN_BB_CLK2>;
clock-names = "refclk";
no-hpd;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
endpoint {
remote-endpoint = <&dsi0_out>;
};
};
port@1 {
reg = <1>;
sn65dsi86_out: endpoint {
remote-endpoint = <&panel_in_edp>;
};
};
};
aux-bus {
panel {
compatible = "boe,nv133fhm-n62";
power-supply = <&pp3300_dx_edp>;
backlight = <&backlight>;
hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>;
port {
panel_in_edp: endpoint {
remote-endpoint = <&sn65dsi86_out>;
};
};
};
};
};
};
- |
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
bridge@2d {
compatible = "ti,sn65dsi86";
reg = <0x2d>;
enable-gpios = <&msmgpio 33 GPIO_ACTIVE_HIGH>;
suspend-gpios = <&msmgpio 34 GPIO_ACTIVE_LOW>;
interrupts-extended = <&gpio3 4 IRQ_TYPE_EDGE_FALLING>;
vccio-supply = <&pm8916_l17>;
vcca-supply = <&pm8916_l6>;
vpll-supply = <&pm8916_l17>;
vcc-supply = <&pm8916_l6>;
clock-names = "refclk";
clocks = <&input_refclk>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
edp_bridge_in: endpoint {
remote-endpoint = <&dsi_out>;
};
};
port@1 {
reg = <1>;
edp_bridge_out: endpoint {
data-lanes = <2 1 3 0>;
lane-polarities = <0 1 0 1>;
remote-endpoint = <&edp_panel_in>;
};
};
};
};
};
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