1config VIDEO_X86 2 bool "Enable x86 video driver support" 3 depends on X86 4 default n 5 help 6 Turn on this option to enable a very simple driver which uses vesa 7 to discover the video mode and then provides a frame buffer for use 8 by U-Boot. 9 10config VIDEO_LCD_SSD2828 11 bool "SSD2828 bridge chip" 12 default n 13 ---help--- 14 Support for the SSD2828 bridge chip, which can take pixel data coming 15 from a parallel LCD interface and translate it on the fly into MIPI DSI 16 interface for driving a MIPI compatible LCD panel. It uses SPI for 17 configuration. 18 19config VIDEO_LCD_SSD2828_TX_CLK 20 int "SSD2828 TX_CLK frequency (in MHz)" 21 depends on VIDEO_LCD_SSD2828 22 default 0 23 ---help--- 24 The frequency of the crystal, which is clocking SSD2828. It may be 25 anything in the 8MHz-30MHz range and the exact value should be 26 retrieved from the board schematics. Or in the case of Allwinner 27 hardware, it can be usually found as 'lcd_xtal_freq' variable in 28 FEX files. It can be also set to 0 for selecting PCLK from the 29 parallel LCD interface instead of TX_CLK as the PLL clock source. 30 31config VIDEO_LCD_SSD2828_RESET 32 string "RESET pin of SSD2828" 33 depends on VIDEO_LCD_SSD2828 34 default "" 35 ---help--- 36 The reset pin of SSD2828 chip. This takes a string in the format 37 understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H. 38 39config VIDEO_LCD_HITACHI_TX18D42VM 40 bool "Hitachi tx18d42vm LVDS LCD panel support" 41 depends on VIDEO 42 default n 43 ---help--- 44 Support for Hitachi tx18d42vm LVDS LCD panels, these panels have a 45 lcd controller which needs to be initialized over SPI, once that is 46 done they work like a regular LVDS panel. 47 48config VIDEO_LCD_SPI_CS 49 string "SPI CS pin for LCD related config job" 50 depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM 51 default "" 52 ---help--- 53 This is one of the SPI communication pins, involved in setting up a 54 working LCD configuration. The exact role of SPI may differ for 55 different hardware setups. The option takes a string in the format 56 understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H. 57 58config VIDEO_LCD_SPI_SCLK 59 string "SPI SCLK pin for LCD related config job" 60 depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM 61 default "" 62 ---help--- 63 This is one of the SPI communication pins, involved in setting up a 64 working LCD configuration. The exact role of SPI may differ for 65 different hardware setups. The option takes a string in the format 66 understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H. 67 68config VIDEO_LCD_SPI_MOSI 69 string "SPI MOSI pin for LCD related config job" 70 depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM 71 default "" 72 ---help--- 73 This is one of the SPI communication pins, involved in setting up a 74 working LCD configuration. The exact role of SPI may differ for 75 different hardware setups. The option takes a string in the format 76 understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H. 77 78config VIDEO_LCD_SPI_MISO 79 string "SPI MISO pin for LCD related config job (optional)" 80 depends on VIDEO_LCD_SSD2828 81 default "" 82 ---help--- 83 This is one of the SPI communication pins, involved in setting up a 84 working LCD configuration. The exact role of SPI may differ for 85 different hardware setups. If wired up, this pin may provide additional 86 useful functionality. Such as bi-directional communication with the 87 hardware and LCD panel id retrieval (if the panel can report it). The 88 option takes a string in the format understood by 'name_to_gpio' 89 function, e.g. PH1 for pin 1 of port H. 90