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|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/st,stm32-dsi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: STMicroelectronics STM32 DSI host controller
maintainers:
- Philippe Cornu <philippe.cornu@foss.st.com>
- Yannick Fertre <yannick.fertre@foss.st.com>
description:
The STMicroelectronics STM32 DSI controller uses the Synopsys DesignWare MIPI-DSI host controller.
allOf:
- $ref: dsi-controller.yaml#
properties:
compatible:
const: st,stm32-dsi
reg:
maxItems: 1
clocks:
items:
- description: Module Clock
- description: DSI bus clock
- description: Pixel clock
minItems: 2
clock-names:
items:
- const: pclk
- const: ref
- const: px_clk
minItems: 2
resets:
maxItems: 1
reset-names:
items:
- const: apb
phy-dsi-supply:
description:
Phandle of the regulator that provides the supply voltage.
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: /schemas/graph.yaml#/properties/port
description:
DSI input port node, connected to the ltdc rgb output port.
port@1:
$ref: /schemas/graph.yaml#/$defs/port-base
unevaluatedProperties: false
description: |
DSI output port node, connected to a panel or a bridge input port.
properties:
endpoint:
$ref: /schemas/media/video-interfaces.yaml#
unevaluatedProperties: false
properties:
data-lanes:
minItems: 1
items:
- const: 1
- const: 2
required:
- compatible
- reg
- clocks
- clock-names
- ports
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/stm32mp1-clks.h>
#include <dt-bindings/reset/stm32mp1-resets.h>
#include <dt-bindings/gpio/gpio.h>
dsi: dsi@5a000000 {
compatible = "st,stm32-dsi";
reg = <0x5a000000 0x800>;
clocks = <&rcc DSI_K>, <&clk_hse>, <&rcc DSI_PX>;
clock-names = "pclk", "ref", "px_clk";
resets = <&rcc DSI_R>;
reset-names = "apb";
phy-dsi-supply = <®18>;
#address-cells = <1>;
#size-cells = <0>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
dsi_in: endpoint {
remote-endpoint = <<dc_ep1_out>;
};
};
port@1 {
reg = <1>;
dsi_out: endpoint {
remote-endpoint = <&panel_in>;
};
};
};
panel@0 {
compatible = "orisetech,otm8009a";
reg = <0>;
reset-gpios = <&gpioe 4 GPIO_ACTIVE_LOW>;
power-supply = <&v3v3>;
port {
panel_in: endpoint {
remote-endpoint = <&dsi_out>;
};
};
};
};
...
|
