diff options
Diffstat (limited to 'src/mainboard/google/geralt/panel.c')
| -rw-r--r-- | src/mainboard/google/geralt/panel.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/mainboard/google/geralt/panel.c b/src/mainboard/google/geralt/panel.c index 202eda7b7d..3f55cac12d 100644 --- a/src/mainboard/google/geralt/panel.c +++ b/src/mainboard/google/geralt/panel.c @@ -3,10 +3,14 @@ #include <boardid.h> #include <cbfs.h> #include <console/console.h> +#include <delay.h> #include <edid.h> #include <gpio.h> #include <identity.h> #include <soc/gpio_common.h> +#include <soc/i2c.h> +#include <soc/pmif.h> +#include <soc/regulator.h> #include <string.h> #include "gpio.h" @@ -59,3 +63,22 @@ void fill_lp_backlight_gpios(struct lb_gpios *gpios) lb_add_gpios(gpios, backlight_gpios, ARRAY_SIZE(backlight_gpios)); } + +void power_on_mipi_panel(const struct tps65132s_cfg *cfg) +{ + mtk_i2c_bus_init(cfg->i2c_bus, I2C_SPEED_FAST); + + /* Enable VM18V */ + mainboard_enable_regulator(MTK_REGULATOR_VDD18, true); + mdelay(2); + if (tps65132s_setup(cfg) != CB_SUCCESS) + printk(BIOS_ERR, "Failed to set up voltage regulator tps65132s\n"); + gpio_output(GPIO_DISP_RST_1V8_L, 0); + mdelay(1); + gpio_output(GPIO_DISP_RST_1V8_L, 1); + mdelay(1); + gpio_output(GPIO_DISP_RST_1V8_L, 0); + mdelay(1); + gpio_output(GPIO_DISP_RST_1V8_L, 1); + mdelay(6); +} |