1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/media/st,stm32-dma2d.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: STMicroelectronics STM32 Chrom-Art Accelerator DMA2D 8 9description: 10 Chrom-ART Accelerator(DMA2D), graphical hardware accelerator 11 enabling enhanced graphical user interface with minimum CPU load 12 13 It can perform the following operations. 14 15 - Filling a part or the whole of a destination image with a specific color. 16 - Copying a part or the whole of a source image into a part or the whole of 17 a destination image. 18 - Copying a part or the whole of a source image into a part or the whole of 19 a destination image with a pixel format conversion. 20 - Blending a part and/or two complete source images with different pixel 21 format and copy the result into a part or the whole of a destination image 22 with a different color format. (TODO) 23 24 25maintainers: 26 - Dillon Min <dillon.minfei@gmail.com> 27 28properties: 29 compatible: 30 const: st,stm32-dma2d 31 32 reg: 33 maxItems: 1 34 35 interrupts: 36 maxItems: 1 37 38 clocks: 39 maxItems: 1 40 41 clock-names: 42 items: 43 - const: dma2d 44 45 resets: 46 maxItems: 1 47 48required: 49 - compatible 50 - reg 51 - interrupts 52 - clocks 53 - clock-names 54 - resets 55 56additionalProperties: false 57 58examples: 59 - | 60 #include <dt-bindings/clock/stm32fx-clock.h> 61 #include <dt-bindings/mfd/stm32f4-rcc.h> 62 dma2d: dma2d@4002b000 { 63 compatible = "st,stm32-dma2d"; 64 reg = <0x4002b000 0xc00>; 65 interrupts = <90>; 66 resets = <&rcc STM32F4_AHB1_RESET(DMA2D)>; 67 clocks = <&rcc 0 STM32F4_AHB1_CLOCK(DMA2D)>; 68 clock-names = "dma2d"; 69 }; 70 71... 72