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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/nwl-dsi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Northwest Logic MIPI-DSI controller on i.MX SoCs
maintainers:
- Guido Gúnther <agx@sigxcpu.org>
- Robert Chiras <robert.chiras@nxp.com>
description: |
NWL MIPI-DSI host controller found on i.MX8 platforms. This is a dsi bridge for
the SOCs NWL MIPI-DSI host controller.
properties:
compatible:
const: fsl,imx8mq-nwl-dsi
reg:
maxItems: 1
interrupts:
maxItems: 1
'#address-cells':
const: 1
'#size-cells':
const: 0
clocks:
items:
- description: DSI core clock
- description: RX_ESC clock (used in escape mode)
- description: TX_ESC clock (used in escape mode)
- description: PHY_REF clock
- description: LCDIF clock
clock-names:
items:
- const: core
- const: rx_esc
- const: tx_esc
- const: phy_ref
- const: lcdif
mux-controls:
description:
mux controller node to use for operating the input mux
phys:
maxItems: 1
description:
A phandle to the phy module representing the DPHY
phy-names:
items:
- const: dphy
power-domains:
maxItems: 1
resets:
items:
- description: dsi byte reset line
- description: dsi dpi reset line
- description: dsi esc reset line
- description: dsi pclk reset line
reset-names:
items:
- const: byte
- const: dpi
- const: esc
- const: pclk
ports:
type: object
description:
A node containing DSI input & output port nodes with endpoint
definitions as documented in
Documentation/devicetree/bindings/graph.txt.
properties:
port@0:
type: object
description:
Input port node to receive pixel data from the
display controller. Exactly one endpoint must be
specified.
properties:
'#address-cells':
const: 1
'#size-cells':
const: 0
endpoint@0:
description: sub-node describing the input from LCDIF
type: object
endpoint@1:
description: sub-node describing the input from DCSS
type: object
reg:
const: 0
required:
- '#address-cells'
- '#size-cells'
- reg
oneOf:
- required:
- endpoint@0
- required:
- endpoint@1
additionalProperties: false
port@1:
type: object
description:
DSI output port node to the panel or the next bridge
in the chain
'#address-cells':
const: 1
'#size-cells':
const: 0
required:
- '#address-cells'
- '#size-cells'
- port@0
- port@1
additionalProperties: false
patternProperties:
"^panel@[0-9]+$":
type: object
required:
- '#address-cells'
- '#size-cells'
- clock-names
- clocks
- compatible
- interrupts
- mux-controls
- phy-names
- phys
- ports
- reg
- reset-names
- resets
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/imx8mq-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/reset/imx8mq-reset.h>
mipi_dsi: mipi_dsi@30a00000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx8mq-nwl-dsi";
reg = <0x30A00000 0x300>;
clocks = <&clk IMX8MQ_CLK_DSI_CORE>,
<&clk IMX8MQ_CLK_DSI_AHB>,
<&clk IMX8MQ_CLK_DSI_IPG_DIV>,
<&clk IMX8MQ_CLK_DSI_PHY_REF>,
<&clk IMX8MQ_CLK_LCDIF_PIXEL>;
clock-names = "core", "rx_esc", "tx_esc", "phy_ref", "lcdif";
interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
mux-controls = <&mux 0>;
power-domains = <&pgc_mipi>;
resets = <&src IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N>,
<&src IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N>,
<&src IMX8MQ_RESET_MIPI_DSI_ESC_RESET_N>,
<&src IMX8MQ_RESET_MIPI_DSI_PCLK_RESET_N>;
reset-names = "byte", "dpi", "esc", "pclk";
phys = <&dphy>;
phy-names = "dphy";
panel@0 {
compatible = "rocktech,jh057n00900";
reg = <0>;
vcc-supply = <®_2v8_p>;
iovcc-supply = <®_1v8_p>;
reset-gpios = <&gpio3 13 GPIO_ACTIVE_LOW>;
port {
panel_in: endpoint {
remote-endpoint = <&mipi_dsi_out>;
};
};
};
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
#size-cells = <0>;
#address-cells = <1>;
reg = <0>;
mipi_dsi_in: endpoint@0 {
reg = <0>;
remote-endpoint = <&lcdif_mipi_dsi>;
};
};
port@1 {
reg = <1>;
mipi_dsi_out: endpoint {
remote-endpoint = <&panel_in>;
};
};
};
};
|
