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exynos5420: add callbacks needed for exynos_fb driver

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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>
This commit is contained in:
Ajay Kumar 2014-09-05 16:53:36 +05:30 committed by Minkyu Kang
parent 2358fc8ed9
commit a99cea0313
2 changed files with 50 additions and 82 deletions
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3
arch/arm/include/asm/arch-exynos/system.h
View file

@ -41,4 +41,7 @@ void set_usbhost_mode(unsigned int mode);
void set_system_display_ctrl(void);
int exynos_lcd_early_init(const void *blob);
/* Initialize the Parade dP<->LVDS bridge if present */
int parade_init(const void *blob);
#endif /* _EXYNOS4_SYSTEM_H */

129
board/samsung/smdk5420/smdk5420.c
View file

@ -10,11 +10,14 @@
#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;
@ -40,95 +43,57 @@ int exynos_init(void)
}
#ifdef CONFIG_LCD
void cfg_lcd_gpio(void)
static int has_edp_bridge(void)
{
/* For Backlight */
gpio_cfg_pin(EXYNOS5420_GPIO_B20, S5P_GPIO_OUTPUT);
gpio_set_value(EXYNOS5420_GPIO_B20, 1);
int node;
/* LCD power on */
gpio_cfg_pin(EXYNOS5420_GPIO_X15, S5P_GPIO_OUTPUT);
gpio_set_value(EXYNOS5420_GPIO_X15, 1);
node = fdtdec_next_compatible(gd->fdt_blob, 0, COMPAT_PARADE_PS8625);
/* Set Hotplug detect for DP */
gpio_cfg_pin(EXYNOS5420_GPIO_X07, S5P_GPIO_FUNC(0x3));
/* No node for bridge in device tree. */
if (node <= 0)
return 0;
/* Default is with bridge ic */
return 1;
}
vidinfo_t panel_info = {
.vl_freq = 60,
.vl_col = 2560,
.vl_row = 1600,
.vl_width = 2560,
.vl_height = 1600,
.vl_clkp = CONFIG_SYS_LOW,
.vl_hsp = CONFIG_SYS_LOW,
.vl_vsp = CONFIG_SYS_LOW,
.vl_dp = CONFIG_SYS_LOW,
.vl_bpix = 4, /* LCD_BPP = 2^4, for output conosle on LCD */
/* wDP panel timing infomation */
.vl_hspw = 32,
.vl_hbpd = 80,
.vl_hfpd = 48,
.vl_vspw = 6,
.vl_vbpd = 37,
.vl_vfpd = 3,
.vl_cmd_allow_len = 0xf,
.win_id = 3,
.cfg_gpio = cfg_lcd_gpio,
.backlight_on = NULL,
.lcd_power_on = NULL,
.reset_lcd = NULL,
.dual_lcd_enabled = 0,
.init_delay = 0,
.power_on_delay = 0,
.reset_delay = 0,
.interface_mode = FIMD_RGB_INTERFACE,
.dp_enabled = 1,
};
static struct edp_device_info edp_info = {
.disp_info = {
.h_res = 2560,
.h_sync_width = 32,
.h_back_porch = 80,
.h_front_porch = 48,
.v_res = 1600,
.v_sync_width = 6,
.v_back_porch = 37,
.v_front_porch = 3,
.v_sync_rate = 60,
},
.lt_info = {
.lt_status = DP_LT_NONE,
},
.video_info = {
.master_mode = 0,
.bist_mode = DP_DISABLE,
.bist_pattern = NO_PATTERN,
.h_sync_polarity = 0,
.v_sync_polarity = 0,
.interlaced = 0,
.color_space = COLOR_RGB,
.dynamic_range = VESA,
.ycbcr_coeff = COLOR_YCBCR601,
.color_depth = COLOR_8,
},
};
static struct exynos_dp_platform_data dp_platform_data = {
.phy_enable = set_dp_phy_ctrl,
.edp_dev_info = &edp_info,
};
void init_panel_info(vidinfo_t *vid)
void exynos_lcd_power_on(void)
{
vid->rgb_mode = MODE_RGB_P;
int ret;
exynos_set_dp_platform_data(&dp_platform_data);
#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