* 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.
*/
#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>
#include <usb/s3c_udc.h>
-#include <max8998_pmic.h>
+#include <max8997_pmic.h>
#include "setup.h"
return -1;
if (on) {
- ret |= pmic_set_output(p,
- MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
- MAX8998_SAFEOUT1, LDO_ON);
- ret |= pmic_set_output(p, MAX8998_REG_ONOFF1,
- MAX8998_LDO3, LDO_ON);
- ret |= pmic_set_output(p, MAX8998_REG_ONOFF2,
- MAX8998_LDO8, LDO_ON);
-
+ ret |= pmic_set_output(p, MAX8997_REG_SAFEOUTCTRL,
+ ENSAFEOUT1, LDO_ON);
+ ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, EN_LDO);
+ ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, EN_LDO);
} else {
- ret |= pmic_set_output(p, MAX8998_REG_ONOFF2,
- MAX8998_LDO8, LDO_OFF);
- ret |= pmic_set_output(p, MAX8998_REG_ONOFF1,
- MAX8998_LDO3, LDO_OFF);
- ret |= pmic_set_output(p,
- MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
- MAX8998_SAFEOUT1, LDO_OFF);
+ ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, DIS_LDO);
+ ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, DIS_LDO);
+ ret |= pmic_set_output(p, MAX8997_REG_SAFEOUTCTRL,
+ ENSAFEOUT1, LDO_OFF);
}
if (ret) {
- puts("MAX8998 LDO setting error!\n");
+ puts("MAX8997 LDO setting error!\n");
return -1;
}
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 = 5;
+ 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");
+}
projects / karo-tx-uboot.git / blobdiff