mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-06 03:06:16 +09:00
a99cea0313
Add initialization code for peach_pit panel, parade bridge chip, and backlight. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
104 lines
1.9 KiB
C
104 lines
1.9 KiB
C
/*
|
|
* Copyright (C) 2013 Samsung Electronics
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <fdtdec.h>
|
|
#include <asm/io.h>
|
|
#include <i2c.h>
|
|
#include <lcd.h>
|
|
#include <spi.h>
|
|
#include <errno.h>
|
|
#include <asm/arch/board.h>
|
|
#include <asm/arch/cpu.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <asm/arch/pinmux.h>
|
|
#include <asm/arch/system.h>
|
|
#include <asm/arch/dp_info.h>
|
|
#include <power/tps65090_pmic.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
#ifdef CONFIG_USB_EHCI_EXYNOS
|
|
static int board_usb_vbus_init(void)
|
|
{
|
|
/* Enable VBUS power switch */
|
|
gpio_direction_output(EXYNOS5420_GPIO_X26, 1);
|
|
|
|
/* VBUS turn ON time */
|
|
mdelay(3);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
int exynos_init(void)
|
|
{
|
|
#ifdef CONFIG_USB_EHCI_EXYNOS
|
|
board_usb_vbus_init();
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_LCD
|
|
static int has_edp_bridge(void)
|
|
{
|
|
int node;
|
|
|
|
node = fdtdec_next_compatible(gd->fdt_blob, 0, COMPAT_PARADE_PS8625);
|
|
|
|
/* No node for bridge in device tree. */
|
|
if (node <= 0)
|
|
return 0;
|
|
|
|
/* Default is with bridge ic */
|
|
return 1;
|
|
}
|
|
|
|
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(ajaykumar.rs@samsung.com): Use device tree */
|
|
gpio_direction_output(EXYNOS5420_GPIO_X35, 1); /* EDP_SLP# */
|
|
mdelay(10);
|
|
gpio_direction_output(EXYNOS5420_GPIO_Y77, 1); /* EDP_RST# */
|
|
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_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
|
|
}
|
|
#endif
|
|
|
|
int board_get_revision(void)
|
|
{
|
|
return 0;
|
|
}
|