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