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| author | Hans de Goede <hdegoede@redhat.com> | 2015-08-08 16:13:53 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2015-08-14 08:51:46 +0200 |
| commit | c1cfd51907299a2fccb932ad26dc2c139f1970d2 (patch) | |
| tree | 31dd1aa79b5f4700180ece45c3cd673257abc859 /drivers/video | |
| parent | 66525bb73235464e02bac99d8f01c88a5bf97d14 (diff) | |
| download | talos-obmc-uboot-c1cfd51907299a2fccb932ad26dc2c139f1970d2.tar.gz talos-obmc-uboot-c1cfd51907299a2fccb932ad26dc2c139f1970d2.zip | |
sunxi: Display: Add support for eDP panels connected via an anx9804 bridge
Add support for 4 1.62G lane eDP panels connected via an anx9804 bridge,
such as found on the Colombus devkit.
While at it also fix the wrong indentation of the SSD2828 Kconfig help text
in board/sunxi/Kconfig.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/sunxi_display.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c index 06ed5c7603..fc1aea3f06 100644 --- a/drivers/video/sunxi_display.c +++ b/drivers/video/sunxi_display.c @@ -15,6 +15,7 @@ #include <asm/global_data.h> #include <asm/gpio.h> #include <asm/io.h> +#include <axp221.h> #include <errno.h> #include <fdtdec.h> #include <fdt_support.h> @@ -22,6 +23,7 @@ #include <malloc.h> #include <video_fb.h> #include "videomodes.h" +#include "anx9804.h" #include "hitachi_tx18d42vm_lcd.h" #include "ssd2828.h" @@ -765,13 +767,17 @@ static void sunxi_lcdc_tcon0_mode_set(const struct ctfb_res_modes *mode, (struct sunxi_lcdc_reg *)SUNXI_LCD0_BASE; int bp, clk_delay, clk_div, clk_double, pin, total, val; - for (pin = SUNXI_GPD(0); pin <= SUNXI_GPD(27); pin++) + for (pin = SUNXI_GPD(0); pin <= SUNXI_GPD(27); pin++) { #ifdef CONFIG_VIDEO_LCD_IF_PARALLEL sunxi_gpio_set_cfgpin(pin, SUNXI_GPD_LCD0); #endif #ifdef CONFIG_VIDEO_LCD_IF_LVDS sunxi_gpio_set_cfgpin(pin, SUNXI_GPD_LVDS0); #endif +#ifdef CONFIG_VIDEO_LCD_PANEL_EDP_4_LANE_1620M_VIA_ANX9804 + sunxi_gpio_set_drv(pin, 3); +#endif + } sunxi_lcdc_pll_set(0, mode->pixclock_khz, &clk_div, &clk_double); @@ -1208,6 +1214,17 @@ static void sunxi_mode_set(const struct ctfb_res_modes *mode, break; case sunxi_monitor_lcd: sunxi_lcdc_panel_enable(); + if (IS_ENABLED(CONFIG_VIDEO_LCD_PANEL_EDP_4_LANE_1620M_VIA_ANX9804)) { + /* + * The anx9804 needs 1.8V from eldo3, we do this here + * and not via CONFIG_AXP221_ELDO3 from board_init() + * to avoid turning this on when using hdmi output. + */ + axp221_set_eldo(3, 1800); + anx9804_init(CONFIG_VIDEO_LCD_I2C_BUS, 4, + ANX9804_DATA_RATE_1620M, + sunxi_display.depth); + } if (IS_ENABLED(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM)) { mdelay(50); /* Wait for lcd controller power on */ hitachi_tx18d42vm_init(); |
