diff options
Diffstat (limited to 'drivers/video/sunxi/sunxi_display.c')
-rw-r--r-- | drivers/video/sunxi/sunxi_display.c | 66 |
1 files changed, 43 insertions, 23 deletions
diff --git a/drivers/video/sunxi/sunxi_display.c b/drivers/video/sunxi/sunxi_display.c index 4361a58cd7e..5a21f7af668 100644 --- a/drivers/video/sunxi/sunxi_display.c +++ b/drivers/video/sunxi/sunxi_display.c @@ -17,7 +17,6 @@ #include <asm/arch/clock.h> #include <asm/arch/display.h> -#include <asm/arch/gpio.h> #include <asm/arch/lcdc.h> #include <asm/arch/pwm.h> #include <asm/arch/tve.h> @@ -872,11 +871,11 @@ static void sunxi_vga_external_dac_enable(void) static int sunxi_ssd2828_init(const struct ctfb_res_modes *mode) { struct ssd2828_config cfg = { - .csx_pin = name_to_gpio(CONFIG_VIDEO_LCD_SPI_CS), - .sck_pin = name_to_gpio(CONFIG_VIDEO_LCD_SPI_SCLK), - .sdi_pin = name_to_gpio(CONFIG_VIDEO_LCD_SPI_MOSI), - .sdo_pin = name_to_gpio(CONFIG_VIDEO_LCD_SPI_MISO), - .reset_pin = name_to_gpio(CONFIG_VIDEO_LCD_SSD2828_RESET), + .csx_pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_SPI_CS), + .sck_pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_SPI_SCLK), + .sdi_pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_SPI_MOSI), + .sdo_pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_SPI_MISO), + .reset_pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_SSD2828_RESET), .ssd2828_tx_clk_khz = CONFIG_VIDEO_LCD_SSD2828_TX_CLK * 1000, .ssd2828_color_depth = 24, #ifdef CONFIG_VIDEO_LCD_PANEL_MIPI_4_LANE_513_MBPS_VIA_SSD2828 @@ -902,6 +901,42 @@ static int sunxi_ssd2828_init(const struct ctfb_res_modes *mode) } #endif /* CONFIG_VIDEO_LCD_SSD2828 */ +#ifdef CONFIG_VIDEO_LCD_PANEL_I2C +static void sunxi_panel_i2c_init(struct sunxi_display_priv *sunxi_display) +{ + const char *name = CONFIG_VIDEO_LCD_PANEL_I2C_NAME; + struct udevice *i2c_bus; + int ret; + + ret = uclass_get_device_by_name(UCLASS_I2C, name, &i2c_bus); + if (ret) + return; + + 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_AXP_ELDO3_VOLT from board_init() + * to avoid turning this on when using hdmi output. + */ + axp_set_eldo(3, 1800); + anx9804_init(i2c_bus, 4, + ANX9804_DATA_RATE_1620M, + sunxi_display->depth); + } + if (IS_ENABLED(CONFIG_VIDEO_LCD_TL059WV5C0)) { + struct udevice *chip; + + ret = i2c_get_chip(i2c_bus, 0x5c, 1, &chip); + if (ret) + return; + + dm_i2c_reg_write(chip, 0x04, 0x42); /* Turn on the LCD */ + } +} +#else +static void sunxi_panel_i2c_init(struct sunxi_display_priv *sunxi_display) {} +#endif + static void sunxi_engines_init(void) { sunxi_composer_init(); @@ -936,27 +971,12 @@ static void sunxi_mode_set(struct sunxi_display_priv *sunxi_display, 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_AXP_ELDO3_VOLT from board_init() - * to avoid turning this on when using hdmi output. - */ - axp_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(); } - if (IS_ENABLED(CONFIG_VIDEO_LCD_TL059WV5C0)) { - unsigned int orig_i2c_bus = i2c_get_bus_num(); - i2c_set_bus_num(CONFIG_VIDEO_LCD_I2C_BUS); - i2c_reg_write(0x5c, 0x04, 0x42); /* Turn on the LCD */ - i2c_set_bus_num(orig_i2c_bus); - } + if (IS_ENABLED(CONFIG_VIDEO_LCD_PANEL_I2C)) + sunxi_panel_i2c_init(sunxi_display); sunxi_composer_mode_set(mode, address, monitor); sunxi_lcdc_tcon0_mode_set(sunxi_display, mode, false); sunxi_composer_enable(); |