1. )在开机的时候,建议在preloader或者LK阶段就通过PMIC的LDO方式来给LCM端上电, 比如可以在alps\mediatek\platform\mt6589\preloader\src\drivers\mtk_pmic_6320.c文件里面的 pmic6320_init函数中做上电1.8/2.8v的操作。 AOSP版本mtk_pmic_6320.c的路径 :alps/bootable/bootloader/preloader/platform/mt6572/src/dr...
mtk detect key function pmic_detect_homekey MTK_PMIC_RST_KEY = 17 [PLFM] Efuse status(1000) [DOE_ENV]get_env DOE_CUSTOM_CONFIG_MAX_DRAM_SIZE CUSTOM_CONFIG_MAX_DRAM_SIZE: 0x0000000800000000 total_dram_size: 0x0000000080000000, max_dram_size: 0x0000000800000000 dump mblock info ...
Powerkey为整机的开关机控制,当开机时Pwoerkey下拉至GND,此时MT6305内部的各个供电模块被使能而开始输出各路电压,包括基带的Vcore,Vdd,Avdd,Vmem,Vsim,Pmic_vtcxo,各单元电路因为得到电压开始工 6、作,手机运行程序实现开机,这时基带处理器送出高电平的BBwakeup信号维持各路LDO的输出从而维持开机。当定时开机或闹钟...
Add MTK_PMIC_RST_KEY := 32 3. 另外FCHR_ENB拉到實體key使用的時候，有機會會出現檢測不及時或者...
#define RECOVERY_KEY_MENU KEY_POWER 4. home键配置(直接引出的,不需要在.dws中定义按键映射) \alps\mediatek\custom\prj\kernel\kpd\kpd\mtk_kpd.h #defineKPD_PMIC_RSTKEY_MAP KEY_HOME home键添加唤醒功能 \alps\mediatek\config\prj\mtk-kpd.kl ...
mtk detect key function pmic_detect_homekey MTK_PMIC_RST_KEY = 17 pl pmic FCHRKEY Release 0:dram_rank_size:20000000 1:dram_rank_size:20000000 0:dram_rank_size:20000000 1:dram_rank_size:20000000 orig_dram_info[0] start: 0x0000000040000000, size: 0x0000000020000000 orig_dram_info[1] start...
PMIC_VTCXOLDO使能 选择VM输出2.8V给外部MCP供电键盘背光灯使能 振动马达使能 硬件电路原理-电源管理-充电控制 MT6305通过#1CHRIN判断充电器的插入如果充电器电压正常就通过#6CHRDET向CPU发出中断,CPU通过GPIO3_CHR_CTL控制MT6305,MT6305再通过#2GATEDRV控制充电MosfetU401来控制充电过程,通过#4Isense检测并控制充电...
27、_CSN12 PWRAP_SPI0_MI12 PWRAP_SPI0_MO12 EXT_PMIC_EN22,23 WATCHDOG12,22 PWRKEY24,67,90 SYSRSTB12,90 SRCLKENA012,22,31 SRCLKENA112 DVDD_MD_GND10 DVDD_MD_PMIC_FB10 DVDD_CORE_GND10 DVDD_CORE_PMIC_FB10 DVDD_MD1_GND10 DVDD_MD1_PMIC_FB10 DVDD_SRAM_CORE_MD_GND10 DVDD_SRAM...
151 /*If boot reason is power key + volumn down, then 152 disable factory mode dectection*/ 153 if (mtk_detect_pmic_just_rst()) { 154 factory_forbidden=1; 155 } 156 /*Check RTC to know if system want to reboot to Recovery*/ ...
[PMIC]just_rst = 0 No EFUSE SW Load [PMIC]pmic_wdt_set Reg[0x14C]=0x225 [rt5738_driver_probe] [rt5738_hw_component_detect] mt6691_vdd2(0) exist = 1, Chip ID = 0 mt6691_vdd2_hw_init [0x0]=0xA5 [0x1]=0xA5 [0x2]=0x92 [0x3]=0x0 [0x4]=0x0 [0x5]=0x81 [0x6]...