1# STM32 LTDC display driver configuration options
2
3# Copyright (c) 2022 Byte-Lab d.o.o. <dev@byte-lab.com>
4# SPDX-License-Identifier: Apache-2.0
5
6menuconfig STM32_LTDC
7	bool "STM32 LCD-TFT display controller driver"
8	default y
9	depends on DT_HAS_ST_STM32_LTDC_ENABLED
10	select USE_STM32_HAL_LTDC
11	select CACHE_MANAGEMENT if CPU_HAS_DCACHE
12	select PINCTRL
13	help
14	  Enable driver for STM32 LCT-TFT display controller periheral.
15
16if STM32_LTDC
17
18choice STM32_LTDC_PIXEL_FORMAT
19	prompt "Color pixel format"
20	default STM32_LTDC_RGB565
21	depends on STM32_LTDC
22	help
23	  Specify the color pixel format for the STM32 LCD-TFT display controller.
24
25config STM32_LTDC_ARGB8888
26	bool "ARGB8888"
27	help
28	  One pixel consists of 8-bit alpha, 8-bit red, 8-bit green and 8-bit blue value
29	  (4 bytes per pixel)
30
31config STM32_LTDC_RGB888
32	bool "RGB888"
33	help
34	  One pixel consists of 8-bit red, 8-bit green and 8-bit blue value
35	  (3 bytes per pixel)
36
37config STM32_LTDC_RGB565
38	bool "RGB565"
39	help
40	  One pixel consists of 5-bit red, 6-bit green and 5-bit blue value
41	  (2 bytes per pixel)
42
43endchoice
44
45config STM32_LTDC_FB_NUM
46	int "Frame buffer number"
47	default 1
48	range 0 2
49	help
50	  STM32 LTDC frame buffer number config:
51	    - 0 frame buffer maintained by application, must write with full screen pixels.
52	    - 1 single frame buffer in stm32 ltdc driver.
53	    - 2 double frame buffer in stm32 ltdc driver.
54
55config STM32_LTDC_DISABLE_FMC_BANK1
56	bool "Disable FMC bank1 for STM32F7/H7 series"
57	depends on SOC_SERIES_STM32H7X || SOC_SERIES_STM32F7X
58	default y
59	help
60	  Disable FMC bank1 if not used to prevent speculative read accesses.
61	  Refer to AN4861 "4.6 Special recommendations for Cortex-M7 (STM32F7/H7)".
62
63endif # STM32_LTDC
64