diff options
Diffstat (limited to 'board/samsung')
| -rw-r--r-- | board/samsung/trats/trats.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c index a7b4e4a..f0775fd 100644 --- a/board/samsung/trats/trats.c +++ b/board/samsung/trats/trats.c @@ -2,6 +2,7 @@ * Copyright (C) 2011 Samsung Electronics * Heungjun Kim <riverful.kim@samsung.com> * Kyungmin Park <kyungmin.park@samsung.com> + * Donghwa Lee <dh09.lee@samsung.com> * * See file CREDITS for list of people who contributed to this * project. @@ -23,11 +24,14 @@ */ #include <common.h> +#include <lcd.h> #include <asm/io.h> #include <asm/arch/cpu.h> #include <asm/arch/gpio.h> #include <asm/arch/mmc.h> #include <asm/arch/clock.h> +#include <asm/arch/clk.h> +#include <asm/arch/mipi_dsim.h> #include <asm/arch/watchdog.h> #include <asm/arch/power.h> #include <pmic.h> @@ -357,3 +361,145 @@ int board_early_init_f(void) return 0; } + +static void lcd_reset(void) +{ + struct exynos4_gpio_part2 *gpio2 = + (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); + + s5p_gpio_direction_output(&gpio2->y4, 5, 1); + udelay(10000); + s5p_gpio_direction_output(&gpio2->y4, 5, 0); + udelay(10000); + s5p_gpio_direction_output(&gpio2->y4, 5, 1); +} + +static int lcd_power(void) +{ + int ret = 0; + struct pmic *p = get_pmic(); + + if (pmic_probe(p)) + return 0; + + /* LDO15 voltage: 2.2v */ + ret |= pmic_reg_write(p, MAX8997_REG_LDO15CTRL, 0x1c | EN_LDO); + /* LDO13 voltage: 3.0v */ + ret |= pmic_reg_write(p, MAX8997_REG_LDO13CTRL, 0x2c | EN_LDO); + + if (ret) { + puts("MAX8997 LDO setting error!\n"); + return -1; + } + + return 0; +} + +static struct mipi_dsim_config dsim_config = { + .e_interface = DSIM_VIDEO, + .e_virtual_ch = DSIM_VIRTUAL_CH_0, + .e_pixel_format = DSIM_24BPP_888, + .e_burst_mode = DSIM_BURST_SYNC_EVENT, + .e_no_data_lane = DSIM_DATA_LANE_4, + .e_byte_clk = DSIM_PLL_OUT_DIV8, + .hfp = 1, + + .p = 3, + .m = 120, + .s = 1, + + /* D-PHY PLL stable time spec :min = 200usec ~ max 400usec */ + .pll_stable_time = 500, + + /* escape clk : 10MHz */ + .esc_clk = 20 * 1000000, + + /* stop state holding counter after bta change count 0 ~ 0xfff */ + .stop_holding_cnt = 0x7ff, + /* bta timeout 0 ~ 0xff */ + .bta_timeout = 0xff, + /* lp rx timeout 0 ~ 0xffff */ + .rx_timeout = 0xffff, +}; + +static struct exynos_platform_mipi_dsim s6e8ax0_platform_data = { + .lcd_panel_info = NULL, + .dsim_config = &dsim_config, +}; + +static struct mipi_dsim_lcd_device mipi_lcd_device = { + .name = "s6e8ax0", + .id = -1, + .bus_id = 0, + .platform_data = (void *)&s6e8ax0_platform_data, +}; + +static int mipi_power(void) +{ + int ret = 0; + struct pmic *p = get_pmic(); + + if (pmic_probe(p)) + return 0; + + /* LDO3 voltage: 1.1v */ + ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, 0x6 | EN_LDO); + /* LDO4 voltage: 1.8v */ + ret |= pmic_reg_write(p, MAX8997_REG_LDO4CTRL, 0x14 | EN_LDO); + + if (ret) { + puts("MAX8997 LDO setting error!\n"); + return -1; + } + + return 0; +} + +void init_panel_info(vidinfo_t *vid) +{ + vid->vl_freq = 60; + vid->vl_col = 720; + vid->vl_row = 1280; + vid->vl_width = 720; + vid->vl_height = 1280; + vid->vl_clkp = CONFIG_SYS_HIGH; + vid->vl_hsp = CONFIG_SYS_LOW; + vid->vl_vsp = CONFIG_SYS_LOW; + vid->vl_dp = CONFIG_SYS_LOW; + + vid->vl_bpix = 32; + vid->dual_lcd_enabled = 0; + + /* s6e8ax0 Panel */ + vid->vl_hspw = 5; + vid->vl_hbpd = 10; + vid->vl_hfpd = 10; + + vid->vl_vspw = 2; + vid->vl_vbpd = 1; + vid->vl_vfpd = 13; + vid->vl_cmd_allow_len = 0xf; + + vid->win_id = 3; + vid->cfg_gpio = NULL; + vid->backlight_on = NULL; + vid->lcd_power_on = NULL; /* lcd_power_on in mipi dsi driver */ + vid->reset_lcd = lcd_reset; + + vid->init_delay = 0; + vid->power_on_delay = 0; + vid->reset_delay = 0; + vid->interface_mode = FIMD_RGB_INTERFACE; + vid->mipi_enabled = 1; + + strcpy(s6e8ax0_platform_data.lcd_panel_name, mipi_lcd_device.name); + s6e8ax0_platform_data.lcd_power = lcd_power; + s6e8ax0_platform_data.mipi_power = mipi_power; + s6e8ax0_platform_data.phy_enable = set_mipi_phy_ctrl; + s6e8ax0_platform_data.lcd_panel_info = (void *)vid; + exynos_mipi_dsi_register_lcd_device(&mipi_lcd_device); + s6e8ax0_init(); + exynos_set_dsim_platform_data(&s6e8ax0_platform_data); + + setenv("lcdinfo", "lcd=s6e8ax0"); +} |