void exynos_lcd_power_on(void)
{
int ret;
#ifdef CONFIG_POWER_TPS65090
ret = tps65090_init();
if (ret < 0) {
printf("%s: tps65090_init() failed\n", __func__);
return;
}
tps65090_fet_enable(6);
#endif
mdelay(5);
/* TODO([email protected]): Use device tree */
gpio_request(EXYNOS5420_GPIO_X35, "edp_slp#");
gpio_direction_output(EXYNOS5420_GPIO_X35, 1); /* EDP_SLP# */
mdelay(10);
gpio_request(EXYNOS5420_GPIO_Y77, "edp_rst#");
gpio_direction_output(EXYNOS5420_GPIO_Y77, 1); /* EDP_RST# */
gpio_request(EXYNOS5420_GPIO_X26, "edp_hpd");
gpio_direction_input(EXYNOS5420_GPIO_X26); /* EDP_HPD */
gpio_set_pull(EXYNOS5420_GPIO_X26, S5P_GPIO_PULL_NONE);
if (has_edp_bridge())
if (parade_init(gd->fdt_blob))
printf("%s: ps8625_init() failed\n", __func__);
}
void exynos_backlight_on(unsigned int onoff)
{
/* For PWM */
gpio_request(EXYNOS5420_GPIO_B20, "backlight_on");
gpio_cfg_pin(EXYNOS5420_GPIO_B20, S5P_GPIO_FUNC(0x1));
gpio_set_value(EXYNOS5420_GPIO_B20, 1);
#ifdef CONFIG_POWER_TPS65090
tps65090_fet_enable(1);
#endif
}
static void sdmmc_vdd(void)
{
/* Enable FET4, P3.3V_SDCARD */
tps65090_fet_enable(TPS65090_BUS, FET4_CTRL);
}
static void backlight_vdd(void)
{
/* Enable FET1, backlight */
tps65090_fet_enable(TPS65090_BUS, FET1_CTRL);
udelay(LCD_T5_DELAY_MS * 1000);
}
static void lcd_vdd(void)
{
/* Enable FET6, lcd panel */
tps65090_fet_enable(TPS65090_BUS, FET6_CTRL);
}
int board_dp_backlight_vdd(const void *blob, unsigned *wait_ms)
{
/* This delay is T5 in the LCD timing spec (defined as > 10ms) */
*wait_ms = 10;
return tps65090_fet_enable(1); /* Enable FET1, backlight */
}
int board_dp_lcd_vdd(const void *blob, unsigned *wait_ms)
{
*wait_ms = 0;
return tps65090_fet_enable(6); /* Enable FET6, lcd panel */
}