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video: make backlight and panel drivers optional

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Not all boards use these drivers, so allow to disable them to fix
building boards with U-Boot binary image size restrictions.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Anatolij Gustschin 2020-05-26 00:20:49 +02:00
parent 0b12f76f72
commit e26e520046
2 changed files with 28 additions and 4 deletions
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27
drivers/video/Kconfig
View File

@ -14,9 +14,17 @@ config DM_VIDEO
option compiles in the video uclass and routes all LCD/video access
through this.
config BACKLIGHT
bool "Enable panel backlight uclass support"
depends on DM_VIDEO
default y
help
This provides backlight uclass driver that enables basic panel
backlight support.
config BACKLIGHT_PWM
bool "Generic PWM based Backlight Driver"
depends on DM_VIDEO && DM_PWM
depends on BACKLIGHT && DM_PWM
default y
help
If you have a LCD backlight adjustable by PWM, say Y to enable
@ -27,7 +35,7 @@ config BACKLIGHT_PWM
config BACKLIGHT_GPIO
bool "Generic GPIO based Backlight Driver"
depends on DM_VIDEO
depends on BACKLIGHT
help
If you have a LCD backlight adjustable by GPIO, say Y to enable
this driver.
@ -151,6 +159,21 @@ config NO_FB_CLEAR
loads takes over the screen. This, for example, can be used to
keep splash image on screen until grub graphical boot menu starts.
config PANEL
bool "Enable panel uclass support"
depends on DM_VIDEO
default y
help
This provides panel uclass driver that enables basic panel support.
config SIMPLE_PANEL
bool "Enable simple panel support"
depends on PANEL
default y
help
This turns on a simple panel driver that enables a compatible
video panel.
source "drivers/video/fonts/Kconfig"
config VIDCONSOLE_AS_LCD

5
drivers/video/Makefile
View File

@ -4,17 +4,18 @@
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
ifdef CONFIG_DM
obj-$(CONFIG_BACKLIGHT) += backlight-uclass.o
obj-$(CONFIG_BACKLIGHT_GPIO) += backlight_gpio.o
obj-$(CONFIG_BACKLIGHT_PWM) += pwm_backlight.o
obj-$(CONFIG_CONSOLE_NORMAL) += console_normal.o
obj-$(CONFIG_CONSOLE_ROTATION) += console_rotate.o
obj-$(CONFIG_CONSOLE_TRUETYPE) += console_truetype.o fonts/
obj-$(CONFIG_DISPLAY) += display-uclass.o
obj-$(CONFIG_DM_VIDEO) += backlight-uclass.o
obj-$(CONFIG_VIDEO_MIPI_DSI) += dsi-host-uclass.o
obj-$(CONFIG_DM_VIDEO) += panel-uclass.o simple_panel.o
obj-$(CONFIG_DM_VIDEO) += video-uclass.o vidconsole-uclass.o
obj-$(CONFIG_DM_VIDEO) += video_bmp.o
obj-$(CONFIG_PANEL) += panel-uclass.o
obj-$(CONFIG_SIMPLE_PANEL) += simple_panel.o
endif
obj-${CONFIG_EXYNOS_FB} += exynos/