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 7title: STMicroelectronics STM32 lcd-tft display controller 8 9maintainers: 10 - Philippe Cornu <philippe.cornu@st.com> 11 - Yannick Fertre <yannick.fertre@st.com> 12 13properties: 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 maxItems: 2 26 27 clocks: 28 maxItems: 1 29 30 clock-names: 31 items: 32 - const: lcd 33 34 resets: 35 maxItems: 1 36 37 port: 38 $ref: /schemas/graph.yaml#/properties/port 39 description: | 40 Video port for DPI RGB output. 41 ltdc has one video port with up to 2 endpoints: 42 - for external dpi rgb panel or bridge, using gpios. 43 - for internal dpi input of the MIPI DSI host controller. 44 Note: These 2 endpoints cannot be activated simultaneously. 45 46required: 47 - compatible 48 - reg 49 - interrupts 50 - clocks 51 - clock-names 52 - resets 53 - port 54 55additionalProperties: false 56 57examples: 58 - | 59 #include <dt-bindings/interrupt-controller/arm-gic.h> 60 #include <dt-bindings/clock/stm32mp1-clks.h> 61 #include <dt-bindings/reset/stm32mp1-resets.h> 62 ltdc: display-controller@40016800 { 63 compatible = "st,stm32-ltdc"; 64 reg = <0x5a001000 0x400>; 65 interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>, 66 <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; 67 clocks = <&rcc LTDC_PX>; 68 clock-names = "lcd"; 69 resets = <&rcc LTDC_R>; 70 71 port { 72 ltdc_out_dsi: endpoint { 73 remote-endpoint = <&dsi_in>; 74 }; 75 }; 76 }; 77 78... 79 80