diff --git a/src/mainboard/google/geralt/display.c b/src/mainboard/google/geralt/display.c index bbdd808fa1..243ed6d739 100644 --- a/src/mainboard/google/geralt/display.c +++ b/src/mainboard/google/geralt/display.c @@ -3,6 +3,7 @@ #include #include #include +#include #include #include #include @@ -10,11 +11,16 @@ #include #include #include +#include #include #include "display.h" +#include "gpio.h" #include "panel.h" +#define PMIC_TPS65132_I2C I2C3 +#define PMIC_TPS65132_SLAVE 0x3E + int configure_display(void) { struct edid edid; @@ -72,3 +78,44 @@ int configure_display(void) return 0; } + +void tps65132s_program_eeprom(void) +{ + u8 value = 0; + u8 value1 = 0; + + /* Initialize I2C3 for PMIC TPS65132 */ + mtk_i2c_bus_init(PMIC_TPS65132_I2C, I2C_SPEED_FAST); + mdelay(10); + + gpio_output(GPIO_EN_PPVAR_MIPI_DISP, 1); + gpio_output(GPIO_EN_PPVAR_MIPI_DISP_150MA, 1); + mdelay(10); + + i2c_read_field(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0x00, &value, 0xFF, 0); + i2c_read_field(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0x01, &value1, 0xFF, 0); + + if (value != 0x11 || value1 != 0x11) { + printk(BIOS_INFO, "Just set AVDD AVEE 5.7V to EEPROM Data in first time.\n"); + + /* Set AVDD = 5.7V */ + if (panel_pmic_reg_mask(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0x00, 0x11, + 0x1F) < 0) + return; + + /* Set AVEE = -5.7V */ + if (panel_pmic_reg_mask(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0x01, 0x11, + 0x1F) < 0) + return; + + /* Set EEPROM Data */ + if (panel_pmic_reg_mask(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0xFF, 0x80, + 0xFC) < 0) + return; + mdelay(50); + } + + gpio_output(GPIO_EN_PPVAR_MIPI_DISP, 0); + gpio_output(GPIO_EN_PPVAR_MIPI_DISP_150MA, 0); + mdelay(5); +} diff --git a/src/mainboard/google/geralt/display.h b/src/mainboard/google/geralt/display.h index 29153b303c..71e0e08392 100644 --- a/src/mainboard/google/geralt/display.h +++ b/src/mainboard/google/geralt/display.h @@ -4,5 +4,6 @@ #define __MAINBOARD_GOOGLE_GERALT_DISPLAY_H__ int configure_display(void); +void tps65132s_program_eeprom(void); #endif diff --git a/src/mainboard/google/geralt/panel_geralt.c b/src/mainboard/google/geralt/panel_geralt.c index 2991360506..7828651397 100644 --- a/src/mainboard/google/geralt/panel_geralt.c +++ b/src/mainboard/google/geralt/panel_geralt.c @@ -11,11 +11,10 @@ #include #include +#include "display.h" #include "gpio.h" #include "panel.h" -#define PMIC_TPS65132_I2C I2C3 -#define PMIC_TPS65132_SLAVE 0x3E static void configure_mipi_pwm_backlight(void) { @@ -30,28 +29,17 @@ static void configure_edp_aux_backlight(void) static void power_on_mipi_boe_tv110c9m_ll0(void) { + tps65132s_program_eeprom(); + /* Enable VM18V */ mainboard_enable_regulator(MTK_REGULATOR_VDD18, true); - /* Initialize I2C3 for PMIC TPS65132 */ - mtk_i2c_bus_init(PMIC_TPS65132_I2C, I2C_SPEED_FAST); - mdelay(10); - gpio_output(GPIO_DISP_RST_1V8_L, 0); mdelay(1); gpio_output(GPIO_EN_PPVAR_MIPI_DISP, 1); gpio_output(GPIO_EN_PPVAR_MIPI_DISP_150MA, 1); mdelay(10); - - /* Set AVDD = 5.7V */ - if (panel_pmic_reg_mask(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0x00, 0x11, 0x1F) < 0) - return; - - /* Set AVEE = -5.7V */ - if (panel_pmic_reg_mask(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0x01, 0x11, 0x1F) < 0) - return; - gpio_output(GPIO_DISP_RST_1V8_L, 1); mdelay(1); gpio_output(GPIO_DISP_RST_1V8_L, 0);