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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/bridge/toshiba,tc358767.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Toshiba TC358767/TC358867/TC9595 DSI/DPI/eDP bridge
maintainers:
- Andrey Gusakov <andrey.gusakov@cogentembedded.com>
description: |
The TC358767/TC358867/TC9595 is bridge device which
converts DSI/DPI to eDP/DP .
properties:
compatible:
oneOf:
- items:
- enum:
- toshiba,tc358867
- toshiba,tc9595
- const: toshiba,tc358767
- const: toshiba,tc358767
reg:
enum:
- 0x0f
- 0x68
description: |
i2c address of the bridge, 0x68 or 0x0f, depending on bootstrap pins
clock-names:
const: ref
clocks:
maxItems: 1
description: |
OF device-tree clock specification for refclk input. The reference.
clock rate must be 13 MHz, 19.2 MHz, 26 MHz, or 38.4 MHz.
shutdown-gpios:
maxItems: 1
description: |
OF device-tree gpio specification for SD pin(active high shutdown input)
reset-gpios:
maxItems: 1
description: |
OF device-tree gpio specification for RSTX pin(active low system reset)
interrupts:
maxItems: 1
toshiba,hpd-pin:
$ref: /schemas/types.yaml#/definitions/uint32
enum:
- 0
- 1
description: TC358767 GPIO pin number to which HPD is connected to (0 or 1)
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: /schemas/graph.yaml#/$defs/port-base
unevaluatedProperties: false
description: |
DSI input port. The remote endpoint phandle should be a
reference to a valid DSI output endpoint node
properties:
endpoint:
$ref: /schemas/media/video-interfaces.yaml#
unevaluatedProperties: false
properties:
data-lanes:
description: array of physical DSI data lane indexes.
minItems: 1
items:
- const: 1
- const: 2
- const: 3
- const: 4
port@1:
$ref: /schemas/graph.yaml#/properties/port
description: |
DPI input/output port. The remote endpoint phandle should be a
reference to a valid DPI output or input endpoint node.
port@2:
$ref: /schemas/graph.yaml#/$defs/port-base
unevaluatedProperties: false
description: |
eDP/DP output port. The remote endpoint phandle should be a
reference to a valid eDP panel input endpoint node. This port is
optional, treated as DP panel if not defined
properties:
endpoint:
$ref: /schemas/media/video-interfaces.yaml#
unevaluatedProperties: false
properties:
toshiba,pre-emphasis:
description:
Display port output Pre-Emphasis settings for both DP lanes.
$ref: /schemas/types.yaml#/definitions/uint8-array
minItems: 2
maxItems: 2
items:
enum:
- 0 # No pre-emphasis
- 1 # 3.5dB pre-emphasis
- 2 # 6dB pre-emphasis
oneOf:
- required:
- port@0
- required:
- port@1
required:
- compatible
- reg
- clock-names
- clocks
- ports
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
/* DPI input and eDP output */
i2c {
#address-cells = <1>;
#size-cells = <0>;
edp-bridge@68 {
compatible = "toshiba,tc358767";
reg = <0x68>;
shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
clock-names = "ref";
clocks = <&edp_refclk>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@1 {
reg = <1>;
bridge_in_0: endpoint {
remote-endpoint = <&dpi_out>;
};
};
port@2 {
reg = <2>;
bridge_out: endpoint {
remote-endpoint = <&panel_in>;
};
};
};
};
};
- |
/* DPI input and DP output */
i2c {
#address-cells = <1>;
#size-cells = <0>;
edp-bridge@68 {
compatible = "toshiba,tc358767";
reg = <0x68>;
shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
clock-names = "ref";
clocks = <&edp_refclk>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@1 {
reg = <1>;
bridge_in_1: endpoint {
remote-endpoint = <&dpi_out>;
};
};
};
};
};