| config VIDEO_VESA |
| bool "Enable VESA video driver support" |
| depends on X86 |
| default n |
| help |
| Turn on this option to enable a very simple driver which uses vesa |
| to discover the video mode and then provides a frame buffer for use |
| by U-Boot. This can in principle be used with any platform that |
| supports PCI and video cards that support VESA BIOS Extension (VBE). |
| |
| config VIDEO_LCD_SSD2828 |
| bool "SSD2828 bridge chip" |
| default n |
| ---help--- |
| Support for the SSD2828 bridge chip, which can take pixel data coming |
| from a parallel LCD interface and translate it on the fly into MIPI DSI |
| interface for driving a MIPI compatible LCD panel. It uses SPI for |
| configuration. |
| |
| config VIDEO_LCD_SSD2828_TX_CLK |
| int "SSD2828 TX_CLK frequency (in MHz)" |
| depends on VIDEO_LCD_SSD2828 |
| default 0 |
| ---help--- |
| The frequency of the crystal, which is clocking SSD2828. It may be |
| anything in the 8MHz-30MHz range and the exact value should be |
| retrieved from the board schematics. Or in the case of Allwinner |
| hardware, it can be usually found as 'lcd_xtal_freq' variable in |
| FEX files. It can be also set to 0 for selecting PCLK from the |
| parallel LCD interface instead of TX_CLK as the PLL clock source. |
| |
| config VIDEO_LCD_SSD2828_RESET |
| string "RESET pin of SSD2828" |
| depends on VIDEO_LCD_SSD2828 |
| default "" |
| ---help--- |
| The reset pin of SSD2828 chip. This takes a string in the format |
| understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H. |
| |
| config VIDEO_LCD_HITACHI_TX18D42VM |
| bool "Hitachi tx18d42vm LVDS LCD panel support" |
| depends on VIDEO |
| default n |
| ---help--- |
| Support for Hitachi tx18d42vm LVDS LCD panels, these panels have a |
| lcd controller which needs to be initialized over SPI, once that is |
| done they work like a regular LVDS panel. |
| |
| config VIDEO_LCD_SPI_CS |
| string "SPI CS pin for LCD related config job" |
| depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM |
| default "" |
| ---help--- |
| This is one of the SPI communication pins, involved in setting up a |
| working LCD configuration. The exact role of SPI may differ for |
| different hardware setups. The option takes a string in the format |
| understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H. |
| |
| config VIDEO_LCD_SPI_SCLK |
| string "SPI SCLK pin for LCD related config job" |
| depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM |
| default "" |
| ---help--- |
| This is one of the SPI communication pins, involved in setting up a |
| working LCD configuration. The exact role of SPI may differ for |
| different hardware setups. The option takes a string in the format |
| understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H. |
| |
| config VIDEO_LCD_SPI_MOSI |
| string "SPI MOSI pin for LCD related config job" |
| depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM |
| default "" |
| ---help--- |
| This is one of the SPI communication pins, involved in setting up a |
| working LCD configuration. The exact role of SPI may differ for |
| different hardware setups. The option takes a string in the format |
| understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H. |
| |
| config VIDEO_LCD_SPI_MISO |
| string "SPI MISO pin for LCD related config job (optional)" |
| depends on VIDEO_LCD_SSD2828 |
| default "" |
| ---help--- |
| This is one of the SPI communication pins, involved in setting up a |
| working LCD configuration. The exact role of SPI may differ for |
| different hardware setups. If wired up, this pin may provide additional |
| useful functionality. Such as bi-directional communication with the |
| hardware and LCD panel id retrieval (if the panel can report it). The |
| option takes a string in the format understood by 'name_to_gpio' |
| function, e.g. PH1 for pin 1 of port H. |
| |
| config DISPLAY_PORT |
| bool "Enable DisplayPort support" |
| help |
| eDP (Embedded DisplayPort) is a standard widely used in laptops |
| to drive LCD panels. This framework provides support for enabling |
| these displays where supported by the video hardware. |