void pmic_init(unsigned bus) { /* * Don't need to set up VDD_CORE - already done - by OTP * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled. * Don't write LDCONTROL - it's already 0xFF, i.e. all LDOs enabled. */ /* Restore PMIC POR defaults, in case kernel changed 'em */ pmic_slam_defaults(bus); /* First set VDD_CPU to 1.2V, then enable the VDD_CPU regulator. */ if (board_id() == 0) pmic_write_reg(bus, 0x00, 0x3c, 1); else pmic_write_reg(bus, 0x00, 0x50, 1); /* First set VDD_GPU to 1.0V, then enable the VDD_GPU regulator. */ pmic_write_reg(bus, 0x06, 0x28, 1); /* * First set +1.2V_GEN_AVDD to 1.2V, then enable the +1.2V_GEN_AVDD * regulator. */ pmic_write_reg(bus, 0x12, 0x10, 1); /* * Panel power GPIO O4. Set mode for GPIO4 (0x0c to 7), then set * the value (register 0x20 bit 4) */ pmic_write_reg(bus, 0x0c, 0x07, 0); pmic_write_reg(bus, 0x20, 0x10, 1); }
void pmic_init(unsigned bus) { /* Restore PMIC POR defaults, in case kernel changed 'em */ pmic_slam_defaults(bus); /* A44: Set VDD_CPU to 1.0V. */ pmic_write_reg(bus, TI65913_SMPS12_VOLTAGE, 0x38, 0); pmic_write_reg(bus, TI65913_SMPS12_CTRL, 0x01, 1); printk(BIOS_DEBUG, "PMIC init done\n"); }
void pmic_init(unsigned bus) { /* Restore PMIC POR defaults, in case kernel changed 'em */ pmic_slam_defaults(bus); /* MAX77620: Set SD0 to 1.0V - VDD_CORE */ pmic_write_reg_77620(bus, MAX77620_SD0_REG, 0x20, 1); pmic_write_reg_77620(bus, MAX77620_VDVSSD0_REG, 0x20, 1); /* MAX77620: GPIO 0,1,2,5,6,7 = GPIO, 3,4 = alt mode */ pmic_write_reg_77620(bus, MAX77620_AME_GPIO, 0x18, 1); /* MAX77620: Disable SD1 Remote Sense, Set SD1 for LPDDR4 to 1.125V */ pmic_write_reg_77620(bus, MAX77620_CNFG2SD_REG, 0x04, 1); pmic_write_reg_77620(bus, MAX77620_SD1_REG, 0x2a, 1); /* * MAX77620: Set LDO2 output to 1.8V. LDO2 is used as always-on * reference for the droop alert circuit. Match this setting with what * the kernel expects. */ pmic_write_reg_77620(bus, MAX77620_CNFG1_L2_REG, 0x14, 1); /* MAX77621: Set VOUT_REG to 1.0V - CPU VREG */ pmic_write_reg_77621(bus, MAX77621_VOUT_REG, 0xBF, 1); /* MAX77621: Set VOUT_DVC_REG to 1.0V - CPU VREG DVC */ pmic_write_reg_77621(bus, MAX77621_VOUT_DVC_REG, 0xBF, 1); /* MAX77621: Set CONTROL1 to 0x38 */ pmic_write_reg_77621(bus, MAX77621_CONTROL1_REG, 0x38, 1); /* MAX77621: Set CONTROL2 to 0xD2 */ pmic_write_reg_77621(bus, MAX77621_CONTROL2_REG, 0xD2, 1); /* MAX77620: Setup/Enable GPIO5 - EN_VDD_CPU */ pmic_write_reg_77620(bus, MAX77620_GPIO5_REG, 0x09, 1); /* Required delay of 2msec */ udelay(2000); printk(BIOS_DEBUG, "PMIC init done\n"); }
void pmic_init(unsigned bus) { /* * Don't need to set up VDD_CORE - already done - by OTP * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled. * Don't write LDCONTROL - it's already 0xFF, i.e. all LDOs enabled. */ /* Restore PMIC POR defaults, in case kernel changed 'em */ pmic_slam_defaults(bus); /* First set VDD_CPU to 1.2V, then enable the VDD_CPU regulator. */ pmic_write_reg(bus, 0x00, 0x50); /* First set VDD_GPU to 1.0V, then enable the VDD_GPU regulator. */ pmic_write_reg(bus, 0x06, 0x28); /* First set VPP_FUSE to 1.2V, then enable the VPP_FUSE regulator. */ pmic_write_reg(bus, 0x12, 0x10); /* * Bring up VDD_SDMMC via the AS3722 PMIC on the PWR I2C bus. * First set it to bypass 3.3V straight thru, then enable the regulator * * NOTE: We do this early because doing it later seems to hose the CPU * power rail/partition startup. Need to debug. */ pmic_write_reg(bus, 0x16, 0x3f); /* * Panel power GPIO O4. Set mode for GPIO4 (0x0c to 7), then set * the value (register 0x20 bit 4) */ pmic_write_reg(bus, 0x0c, 0x07); pmic_write_reg(bus, 0x20, 0x10); }