src/mainboard/google/corsola/panel_starmie.c

   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
  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
  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 }