diff options
| author | Fabio Estevam <festevam@gmail.com> | 2018-12-11 16:40:38 -0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2019-01-28 12:53:48 +0100 |
| commit | 9e3c0174da842dd88f5feaffbf843ba332233897 (patch) | |
| tree | 456c60073e2f5d72f1c9ac7935e84fa7070c7191 /board/technexion | |
| parent | bab289cbe993c1ee26a6301e7019c3078b60393a (diff) | |
pico-imx7d: Add LCD support
Add support for the VXT VL050-8048NT-C01 panel connected through
the 24 bit parallel LCDIF interface.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Diffstat (limited to 'board/technexion')
| -rw-r--r-- | board/technexion/pico-imx7d/pico-imx7d.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/board/technexion/pico-imx7d/pico-imx7d.c b/board/technexion/pico-imx7d/pico-imx7d.c index 53e14693a5..767d13dfe5 100644 --- a/board/technexion/pico-imx7d/pico-imx7d.c +++ b/board/technexion/pico-imx7d/pico-imx7d.c @@ -39,8 +39,16 @@ DECLARE_GLOBAL_DATA_PTR; #define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM) + +#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \ + PAD_CTL_DSE_3P3V_49OHM) + +#define LCD_SYNC_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \ + PAD_CTL_DSE_3P3V_196OHM) + #ifdef CONFIG_SYS_I2C_MXC #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) + /* I2C4 for PMIC */ static struct i2c_pads_info i2c_pad_info4 = { .scl = { @@ -246,11 +254,58 @@ int board_early_init_f(void) return 0; } +#ifdef CONFIG_VIDEO_MXS +static iomux_v3_cfg_t const lcd_pads[] = { + MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL), + MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL), + MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL), + MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_GPIO1_IO06__GPIO1_IO6 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_GPIO1_IO11__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +void setup_lcd(void) +{ + imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); + /* Set Brightness to high */ + gpio_direction_output(IMX_GPIO_NR(1, 11) , 1); + /* Set LCD enable to high */ + gpio_direction_output(IMX_GPIO_NR(1, 6) , 1); +} +#endif + int board_init(void) { /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; +#ifdef CONFIG_VIDEO_MXS + setup_lcd(); +#endif #ifdef CONFIG_FEC_MXC setup_fec(); #endif |