1 /* SPDX-License-Identifier: GPL-2.0-only */
2
3 #include <console/console.h>
4 #include <delay.h>
5 #include <gpio.h>
6 #include <soc/regulator.h>
7 #include <soc/tps65132s.h>
8
9 #include "gpio.h"
10 #include "panel.h"
11
mipi_panel_power_on(void)12 static void mipi_panel_power_on(void)
13 {
14 const struct tps65132s_reg_setting reg_settings[] = {
15 { PMIC_TPS65132_VPOS, 0x14, 0x1F },
16 { PMIC_TPS65132_VNEG, 0x14, 0x1F },
17 { PMIC_TPS65132_DLYX, 0x95, 0xFF },
18 { PMIC_TPS65132_ASSDD, 0x5b, 0xFF },
19 };
20 const struct tps65132s_cfg cfg = {
21 .i2c_bus = PMIC_I2C_BUS,
22 .en = GPIO_EN_PP3300_DISP_X,
23 .sync = GPIO_EN_PP3300_SDBRDG_X,
24 .settings = reg_settings,
25 .setting_counts = ARRAY_SIZE(reg_settings),
26 };
27
28 mainboard_set_regulator_voltage(MTK_REGULATOR_VIO18, 1800000);
29 mtk_i2c_bus_init(PMIC_I2C_BUS, I2C_SPEED_FAST);
30
31 if (is_pmic_aw37503(PMIC_I2C_BUS)) {
32 printk(BIOS_DEBUG, "Initialize and power on PMIC AW37503\n");
33 aw37503_init(PMIC_I2C_BUS);
34 gpio_output(GPIO_EN_PP3300_DISP_X, 1);
35 mdelay(2);
36 gpio_output(GPIO_EN_PP3300_SDBRDG_X, 1);
37 mdelay(3);
38 } else if (tps65132s_setup(&cfg) != CB_SUCCESS) {
39 printk(BIOS_ERR, "Failed to setup tps65132s\n");
40 }
41
42 /* DISP_RST_1V8_L */
43 gpio_output(GPIO_EDPBRDG_RST_L, 1);
44 mdelay(1);
45 gpio_output(GPIO_EDPBRDG_RST_L, 0);
46 udelay(20);
47 gpio_output(GPIO_EDPBRDG_RST_L, 1);
48 }
49
50 static struct panel_description starmie_panels[] = {
51 /* K&D panel vendor and ILI9882T chip,
52 K&D and STA panel are identical except manufacturer_name. */
53 [6] = {
54 .configure_backlight = backlight_control,
55 .power_on = mipi_panel_power_on,
56 .name = "STA_ILI9882T",
57 .disp_path = DISP_PATH_MIPI,
58 .orientation = LB_FB_ORIENTATION_LEFT_UP,
59 },
60 /* STA panel vendor and ILI9882T chip */
61 [9] = {
62 .configure_backlight = backlight_control,
63 .power_on = mipi_panel_power_on,
64 .name = "STA_ILI9882T",
65 .disp_path = DISP_PATH_MIPI,
66 .orientation = LB_FB_ORIENTATION_LEFT_UP,
67 },
68 /* STA panel vendor and HIMAX83102_J02 chip */
69 [10] = {
70 .configure_backlight = backlight_control,
71 .power_on = mipi_panel_power_on,
72 .name = "STA_HIMAX83102_J02",
73 .disp_path = DISP_PATH_MIPI,
74 .orientation = LB_FB_ORIENTATION_LEFT_UP,
75 },
76 };
77
get_panel_description(void)78 struct panel_description *get_panel_description(void)
79 {
80 uint32_t id = panel_id() & 0xF;
81 if (id >= ARRAY_SIZE(starmie_panels))
82 return NULL;
83
84 return &starmie_panels[id];
85 }
86