Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/display/st,stm32-ltdc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: STMicroelectronics STM32 lcd-tft display controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Philippe Cornu <philippe.cornu@foss.st.com> |
| 11 | - Yannick Fertre <yannick.fertre@foss.st.com> |
| 12 | |
| 13 | properties: |
| 14 | compatible: |
| 15 | const: st,stm32-ltdc |
| 16 | |
| 17 | reg: |
| 18 | maxItems: 1 |
| 19 | |
| 20 | interrupts: |
| 21 | items: |
| 22 | - description: events interrupt line. |
| 23 | - description: errors interrupt line. |
| 24 | minItems: 1 |
| 25 | |
| 26 | clocks: |
| 27 | maxItems: 1 |
| 28 | |
| 29 | clock-names: |
| 30 | items: |
| 31 | - const: lcd |
| 32 | |
| 33 | resets: |
| 34 | maxItems: 1 |
| 35 | |
| 36 | port: |
| 37 | $ref: /schemas/graph.yaml#/properties/port |
| 38 | description: | |
| 39 | Video port for DPI RGB output. |
| 40 | ltdc has one video port with up to 2 endpoints: |
| 41 | - for external dpi rgb panel or bridge, using gpios. |
| 42 | - for internal dpi input of the MIPI DSI host controller. |
| 43 | Note: These 2 endpoints cannot be activated simultaneously. |
| 44 | |
| 45 | required: |
| 46 | - compatible |
| 47 | - reg |
| 48 | - interrupts |
| 49 | - clocks |
| 50 | - clock-names |
| 51 | - resets |
| 52 | - port |
| 53 | |
| 54 | additionalProperties: false |
| 55 | |
| 56 | examples: |
| 57 | - | |
| 58 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 59 | #include <dt-bindings/clock/stm32mp1-clks.h> |
| 60 | #include <dt-bindings/reset/stm32mp1-resets.h> |
| 61 | ltdc: display-controller@40016800 { |
| 62 | compatible = "st,stm32-ltdc"; |
| 63 | reg = <0x5a001000 0x400>; |
| 64 | interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>, |
| 65 | <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; |
| 66 | clocks = <&rcc LTDC_PX>; |
| 67 | clock-names = "lcd"; |
| 68 | resets = <&rcc LTDC_R>; |
| 69 | |
| 70 | port { |
| 71 | ltdc_out_dsi: endpoint { |
| 72 | remote-endpoint = <&dsi_in>; |
| 73 | }; |
| 74 | }; |
| 75 | }; |
| 76 | |
| 77 | ... |