/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include #if CONFIG(DEBUG_PMIC) #define DEBUG_PMIC(level, x...) printk(level, x) #else #define DEBUG_PMIC(level, x...) #endif int mt6391_configure_ca53_voltage(int uv) { /* target voltage = 700mv + 6.25mv * buck_val */ u16 buck_val = (uv - 700000) / 6250; u16 current_val = pwrap_read_field(PMIC_RG_VCA15_CON12, 0x7f, 0x0); assert(buck_val < (1 << 8)); pwrap_write_field(PMIC_RG_VCA15_CON9, buck_val, 0x7f, 0x0); pwrap_write_field(PMIC_RG_VCA15_CON10, buck_val, 0x7f, 0x0); /* For buck delay, default slew rate is 6.25mv/0.5us */ if (buck_val > current_val) return ((buck_val - current_val) / 2) ; else return 0; } static void mt6391_configure_vcama(enum ldo_voltage vsel) { /* 2'b00: 1.5V * 2'b01: 1.8V * 2'b10: 2.5V * 2'b11: 2.8V */ pwrap_write_field(PMIC_RG_ANALDO_CON6, vsel - 2, PMIC_RG_VCAMA_VOSEL_MASK, PMIC_RG_VCAMA_VOSEL_SHIFT); pwrap_write_field(PMIC_RG_ANALDO_CON2, 1, PMIC_RG_VCAMA_EN_MASK, PMIC_RG_VCAMA_EN_SHIFT); } void mt6391_configure_ldo(enum ldo_power ldo, enum ldo_voltage vsel) { u16 addr; switch (ldo) { case LDO_VCAMD: assert(vsel != 0); if (vsel == LDO_1P22) vsel = 0; break; case LDO_VGP2: assert(vsel != 1); if (vsel == LDO_1P0) vsel = 1; break; case LDO_VGP5: assert(vsel != 7); if (vsel == LDO_2P0) vsel = 7; break; case LDO_VCAMA: assert(vsel > LDO_1P3 && vsel < LDO_3P0); mt6391_configure_vcama(vsel); return; default: break; } assert(vsel < LDO_NUM_VOLTAGES); if (ldo == LDO_VGP6) addr = PMIC_RG_DIGLDO_CON33; else addr = PMIC_RG_DIGLDO_CON19 + ldo * 2; pwrap_write_field(addr, vsel, 0x7, 5); pwrap_write_field(PMIC_RG_DIGLDO_CON5 + ldo * 2, 1, 1, 15); } void mt6391_enable_reset_when_ap_resets(void) { /* Enable AP watchdog reset */ pwrap_write_field(PMIC_RG_TOP_RST_MISC, 0x0, 0x1, 0); } static void mt6391_init_setting(void) { /* Enable PMIC RST function (depends on main chip RST function) */ /* * state1: RG_SYSRSTB_EN = 1, RG_STRUP_MAN_RST_EN=1, RG_RST_PART_SEL=1 * state2: RG_SYSRSTB_EN = 1, RG_STRUP_MAN_RST_EN=0, RG_RST_PART_SEL=1 * state3: RG_SYSRSTB_EN = 1, RG_STRUP_MAN_RST_EN=x, RG_RST_PART_SEL=0 */ pwrap_write_field(PMIC_RG_TOP_RST_MISC, 0x1, 0x1, 1); pwrap_write_field(PMIC_RG_TOP_RST_MISC, 0x0, 0x1, 2); pwrap_write_field(PMIC_RG_TOP_RST_MISC, 0x1, 0x1, 4); /* Disable AP watchdog reset */ pwrap_write_field(PMIC_RG_TOP_RST_MISC, 0x1, 0x1, 0); /* Enable CA15 by default for different PMIC behavior */ pwrap_write_field(PMIC_RG_VCA15_CON7, 0x1, 0x1, 0); pwrap_write_field(PMIC_RG_VSRMCA15_CON7, 0x1, 0x1, 0); pwrap_write_field(PMIC_RG_VPCA7_CON7, 0x1, 0x1, 0); udelay(200); /* delay for Buck ready */ /* [3:3]: RG_PWMOC_CK_PDN; For OC protection */ pwrap_write_field(PMIC_RG_TOP_CKPDN, 0x0, 0x1, 3); /* [9:9]: RG_SRCVOLT_HW_AUTO_EN; */ pwrap_write_field(PMIC_RG_TOP_CKCON1, 0x1, 0x1, 9); /* [8:8]: RG_OSC_SEL_AUTO; */ pwrap_write_field(PMIC_RG_TOP_CKCON1, 0x1, 0x1, 8); /* [6:6]: RG_SMPS_DIV2_SRC_AUTOFF_DIS; */ pwrap_write_field(PMIC_RG_TOP_CKCON1, 0x1, 0x1, 6); /* [5:5]: RG_SMPS_AUTOFF_DIS; */ pwrap_write_field(PMIC_RG_TOP_CKCON1, 0x1, 0x1, 5); /* [7:7]: VDRM_DEG_EN; */ pwrap_write_field(PMIC_RG_OC_DEG_EN, 0x1, 0x1, 7); /* [6:6]: VSRMCA7_DEG_EN; */ pwrap_write_field(PMIC_RG_OC_DEG_EN, 0x1, 0x1, 6); /* [5:5]: VPCA7_DEG_EN; */ pwrap_write_field(PMIC_RG_OC_DEG_EN, 0x1, 0x1, 5); /* [4:4]: VIO18_DEG_EN; */ pwrap_write_field(PMIC_RG_OC_DEG_EN, 0x1, 0x1, 4); /* [3:3]: VGPU_DEG_EN; For OC protection */ pwrap_write_field(PMIC_RG_OC_DEG_EN, 0x1, 0x1, 3); /* [2:2]: VCORE_DEG_EN; */ pwrap_write_field(PMIC_RG_OC_DEG_EN, 0x1, 0x1, 2); /* [1:1]: VSRMCA15_DEG_EN; */ pwrap_write_field(PMIC_RG_OC_DEG_EN, 0x1, 0x1, 1); /* [0:0]: VCA15_DEG_EN; */ pwrap_write_field(PMIC_RG_OC_DEG_EN, 0x1, 0x1, 0); /* [11:11]: RG_INT_EN_THR_H; */ pwrap_write_field(PMIC_RG_INT_CON0, 0x1, 0x1, 11); /* [10:10]: RG_INT_EN_THR_L; */ pwrap_write_field(PMIC_RG_INT_CON0, 0x1, 0x1, 10); /* [4:4]: RG_INT_EN_BAT_L; */ pwrap_write_field(PMIC_RG_INT_CON0, 0x1, 0x1, 4); /* [11:11]: RG_INT_EN_VGPU; OC protection */ pwrap_write_field(PMIC_RG_INT_CON1, 0x1, 0x1, 11); /* [8:8]: RG_INT_EN_VCA15; OC protection */ pwrap_write_field(PMIC_RG_INT_CON1, 0x1, 0x1, 8); /* [12:0]: BUCK_RSV; for OC protection */ pwrap_write_field(PMIC_RG_BUCK_CON3, 0x600, 0x0FFF, 0); /* [11:10]: QI_VCORE_VSLEEP; sleep mode only (0.7V) */ pwrap_write_field(PMIC_RG_BUCK_CON8, 0x0, 0x3, 10); /* [7:6]: QI_VSRMCA7_VSLEEP; sleep mode only (0.85V) */ pwrap_write_field(PMIC_RG_BUCK_CON8, 0x0, 0x3, 6); /* [5:4]: QI_VSRMCA15_VSLEEP; sleep mode only (0.7V) */ pwrap_write_field(PMIC_RG_BUCK_CON8, 0x1, 0x3, 4); /* [3:2]: QI_VPCA7_VSLEEP; sleep mode only (0.85V) */ pwrap_write_field(PMIC_RG_BUCK_CON8, 0x0, 0x3, 2); /* [1:0]: QI_VCA15_VSLEEP; sleep mode only (0.7V) */ pwrap_write_field(PMIC_RG_BUCK_CON8, 0x1, 0x3, 0); /* [13:12]: RG_VCA15_CSL2; for OC protection */ pwrap_write_field(PMIC_RG_VCA15_CON1, 0x0, 0x3, 12); /* [11:10]: RG_VCA15_CSL1; for OC protection */ pwrap_write_field(PMIC_RG_VCA15_CON1, 0x0, 0x3, 10); /* [15:15]: VCA15_SFCHG_REN; soft change rising enable */ pwrap_write_field(PMIC_RG_VCA15_CON8, 0x1, 0x1, 15); /* [14:8]: VCA15_SFCHG_RRATE; soft change rising step=0.5 */ pwrap_write_field(PMIC_RG_VCA15_CON8, 0x5, 0x7F, 8); /* [7:7]: VCA15_SFCHG_FEN; soft change falling enable */ pwrap_write_field(PMIC_RG_VCA15_CON8, 0x1, 0x1, 7); /* [6:0]: VCA15_SFCHG_FRATE; soft change falling step=2us */ pwrap_write_field(PMIC_RG_VCA15_CON8, 0x17, 0x7F, 0); /* [6:0]: VCA15_VOSEL_SLEEP; sleep mode only (0.7V) */ pwrap_write_field(PMIC_RG_VCA15_CON11, 0x0, 0x7F, 0); /* [8:8]: VCA15_VSLEEP_EN; set sleep mode reference volt */ pwrap_write_field(PMIC_RG_VCA15_CON18, 0x1, 0x1, 8); /* [5:4]: VCA15_VOSEL_TRANS_EN; rising & falling enable */ pwrap_write_field(PMIC_RG_VCA15_CON18, 0x3, 0x3, 4); /* [5:5]: VSRMCA15_TRACK_SLEEP_CTRL; */ pwrap_write_field(PMIC_RG_VSRMCA15_CON5, 0x1, 0x1, 5); /* [5:4]: VSRMCA15_VOSEL_SEL; */ pwrap_write_field(PMIC_RG_VSRMCA15_CON6, 0x0, 0x3, 4); /* [15:15]: VSRMCA15_SFCHG_REN; */ pwrap_write_field(PMIC_RG_VSRMCA15_CON8, 0x1, 0x1, 15); /* [14:8]: VSRMCA15_SFCHG_RRATE; */ pwrap_write_field(PMIC_RG_VSRMCA15_CON8, 0x5, 0x7F, 8); /* [7:7]: VSRMCA15_SFCHG_FEN; */ pwrap_write_field(PMIC_RG_VSRMCA15_CON8, 0x1, 0x1, 7); /* [6:0]: VSRMCA15_SFCHG_FRATE; */ pwrap_write_field(PMIC_RG_VSRMCA15_CON8, 0x17, 0x7F, 0); /* [6:0]: VSRMCA15_VOSEL_SLEEP; Sleep mode setting on */ pwrap_write_field(PMIC_RG_VSRMCA15_CON11, 0x00, 0x7F, 0); /* [8:8]: VSRMCA15_VSLEEP_EN; set sleep mode reference */ pwrap_write_field(PMIC_RG_VSRMCA15_CON18, 0x1, 0x1, 8); /* [5:4]: VSRMCA15_VOSEL_TRANS_EN; rising & falling e */ pwrap_write_field(PMIC_RG_VSRMCA15_CON18, 0x3, 0x3, 4); /* [1:1]: VCORE_VOSEL_CTRL; sleep mode voltage control fo */ pwrap_write_field(PMIC_RG_VCORE_CON5, 0x1, 0x1, 1); /* [5:4]: VCORE_VOSEL_SEL; */ pwrap_write_field(PMIC_RG_VCORE_CON6, 0x0, 0x3, 4); /* [15:15]: VCORE_SFCHG_REN; */ pwrap_write_field(PMIC_RG_VCORE_CON8, 0x1, 0x1, 15); /* [14:8]: VCORE_SFCHG_RRATE; */ pwrap_write_field(PMIC_RG_VCORE_CON8, 0x5, 0x7F, 8); /* [6:0]: VCORE_SFCHG_FRATE; */ pwrap_write_field(PMIC_RG_VCORE_CON8, 0x17, 0x7F, 0); /* [6:0]: VCORE_VOSEL_SLEEP; Sleep mode setting only (0. */ pwrap_write_field(PMIC_RG_VCORE_CON11, 0x0, 0x7F, 0); /* [8:8]: VCORE_VSLEEP_EN; Sleep mode HW control R2R to */ pwrap_write_field(PMIC_RG_VCORE_CON18, 0x1, 0x1, 8); /* [5:4]: VCORE_VOSEL_TRANS_EN; Follows MT6320 VCORE set */ pwrap_write_field(PMIC_RG_VCORE_CON18, 0x0, 0x3, 4); /* [1:0]: VCORE_TRANSTD; */ pwrap_write_field(PMIC_RG_VCORE_CON18, 0x3, 0x3, 0); /* [9:8]: RG_VGPU_CSL; for OC protection */ pwrap_write_field(PMIC_RG_VGPU_CON1, 0x1, 0x3, 8); /* [15:15]: VGPU_SFCHG_REN; */ pwrap_write_field(PMIC_RG_VGPU_CON8, 0x1, 0x1, 15); /* [14:8]: VGPU_SFCHG_RRATE; */ pwrap_write_field(PMIC_RG_VGPU_CON8, 0x5, 0x7F, 8); /* [6:0]: VGPU_SFCHG_FRATE; */ pwrap_write_field(PMIC_RG_VGPU_CON8, 0x17, 0x7F, 0); /* [5:4]: VGPU_VOSEL_TRANS_EN; */ pwrap_write_field(PMIC_RG_VGPU_CON18, 0x0, 0x3, 4); /* [1:0]: VGPU_TRANSTD; */ pwrap_write_field(PMIC_RG_VGPU_CON18, 0x3, 0x3, 0); /* [5:4]: VPCA7_VOSEL_SEL; */ pwrap_write_field(PMIC_RG_VPCA7_CON6, 0x0, 0x3, 4); /* [15:15]: VPCA7_SFCHG_REN; */ pwrap_write_field(PMIC_RG_VPCA7_CON8, 0x1, 0x1, 15); /* [14:8]: VPCA7_SFCHG_RRATE; */ pwrap_write_field(PMIC_RG_VPCA7_CON8, 0x5, 0x7F, 8); /* [7:7]: VPCA7_SFCHG_FEN; */ pwrap_write_field(PMIC_RG_VPCA7_CON8, 0x1, 0x1, 7); /* [6:0]: VPCA7_SFCHG_FRATE; */ pwrap_write_field(PMIC_RG_VPCA7_CON8, 0x17, 0x7F, 0); /* [6:0]: VPCA7_VOSEL_SLEEP; */ pwrap_write_field(PMIC_RG_VPCA7_CON11, 0x18, 0x7F, 0); /* [8:8]: VPCA7_VSLEEP_EN; */ pwrap_write_field(PMIC_RG_VPCA7_CON18, 0x0, 0x1, 8); /* [5:4]: VPCA7_VOSEL_TRANS_EN; */ pwrap_write_field(PMIC_RG_VPCA7_CON18, 0x3, 0x3, 4); /* [5:5]: VSRMCA7_TRACK_SLEEP_CTRL; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON5, 0x0, 0x1, 5); /* [5:4]: VSRMCA7_VOSEL_SEL; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON6, 0x0, 0x3, 4); /* [15:15]: VSRMCA7_SFCHG_REN; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON8, 0x1, 0x1, 15); /* [14:8]: VSRMCA7_SFCHG_RRATE; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON8, 0x5, 0x7F, 8); /* [7:7]: VSRMCA7_SFCHG_FEN; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON8, 0x1, 0x1, 7); /* [6:0]: VSRMCA7_SFCHG_FRATE; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON8, 0x17, 0x7F, 0); /* [6:0]: VSRMCA7_VOSEL_SLEEP; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON11, 0x18, 0x7F, 0); /* [8:8]: VSRMCA7_VSLEEP_EN; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON18, 0x0, 0x1, 8); /* [5:4]: VSRMCA7_VOSEL_TRANS_EN; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON18, 0x3, 0x3, 4); /* [8:8]: VDRM_VSLEEP_EN; */ pwrap_write_field(PMIC_RG_VDRM_CON18, 0x1, 0x1, 8); /* [2:2]: VIBR_THER_SHEN_EN; */ pwrap_write_field(PMIC_RG_DIGLDO_CON24, 0x1, 0x1, 2); /* [5:5]: THR_HWPDN_EN; */ pwrap_write_field(PMIC_RG_STRUP_CON0, 0x1, 0x1, 5); /* [3:3]: RG_RST_DRVSEL; */ pwrap_write_field(PMIC_RG_STRUP_CON2, 0x1, 0x1, 3); /* [2:2]: RG_EN_DRVSEL; */ pwrap_write_field(PMIC_RG_STRUP_CON2, 0x1, 0x1, 2); /* [1:1]: PWRBB_DEB_EN; */ pwrap_write_field(PMIC_RG_STRUP_CON5, 0x1, 0x1, 1); /* [12:12]: VSRMCA15_PG_H2L_EN; */ pwrap_write_field(PMIC_RG_STRUP_CON7, 0x1, 0x1, 12); /* [11:11]: VPCA15_PG_H2L_EN; */ pwrap_write_field(PMIC_RG_STRUP_CON7, 0x1, 0x1, 11); /* [10:10]: VCORE_PG_H2L_EN; */ pwrap_write_field(PMIC_RG_STRUP_CON7, 0x1, 0x1, 10); /* [9:9]: VSRMCA7_PG_H2L_EN; */ pwrap_write_field(PMIC_RG_STRUP_CON7, 0x1, 0x1, 9); /* [8:8]: VPCA7_PG_H2L_EN; */ pwrap_write_field(PMIC_RG_STRUP_CON7, 0x1, 0x1, 8); /* [1:1]: STRUP_PWROFF_PREOFF_EN; */ pwrap_write_field(PMIC_RG_STRUP_CON10, 0x1, 0x1, 1); /* [0:0]: STRUP_PWROFF_SEQ_EN; */ pwrap_write_field(PMIC_RG_STRUP_CON10, 0x1, 0x1, 0); /* [15:8]: RG_ADC_TRIM_CH_SEL; */ pwrap_write_field(PMIC_RG_AUXADC_CON14, 0xFC, 0xFF, 8); /* [1:1]: FLASH_THER_SHDN_EN; */ pwrap_write_field(PMIC_RG_FLASH_CON0, 0x1, 0x1, 1); /* [1:1]: KPLED_THER_SHDN_EN; */ pwrap_write_field(PMIC_RG_KPLED_CON0, 0x1, 0x1, 1); /* [14:8]: VSRMCA15_VOSEL_OFFSET; set offset=100mV */ pwrap_write_field(PMIC_RG_VSRMCA15_CON19, 0x10, 0x7F, 8); /* [6:0]: VSRMCA15_VOSEL_DELTA; set delta=0mV */ pwrap_write_field(PMIC_RG_VSRMCA15_CON19, 0x0, 0x7F, 0); /* [14:8]: VSRMCA15_VOSEL_ON_HB; set HB=1.15V */ pwrap_write_field(PMIC_RG_VSRMCA15_CON20, 0x48, 0x7F, 8); /* [6:0]: VSRMCA15_VOSEL_ON_LB; set LB=0.7V */ pwrap_write_field(PMIC_RG_VSRMCA15_CON20, 0x0, 0x7F, 0); /* [6:0]: VSRMCA15_VOSEL_SLEEP_LB; set sleep LB=0.7V */ pwrap_write_field(PMIC_RG_VSRMCA15_CON21, 0x0, 0x7F, 0); /* [14:8]: VSRMCA7_VOSEL_OFFSET; set offset=25mV */ pwrap_write_field(PMIC_RG_VSRMCA7_CON19, 0x4, 0x7F, 8); /* [6:0]: VSRMCA7_VOSEL_DELTA; set delta=0mV */ pwrap_write_field(PMIC_RG_VSRMCA7_CON19, 0x0, 0x7F, 0); /* [14:8]: VSRMCA7_VOSEL_ON_HB; set HB=1.275V */ pwrap_write_field(PMIC_RG_VSRMCA7_CON20, 0x5C, 0x7F, 8); /* [6:0]: VSRMCA7_VOSEL_ON_LB; set LB=1.05000V */ pwrap_write_field(PMIC_RG_VSRMCA7_CON20, 0x38, 0x7F, 0); /* [6:0]: VSRMCA7_VOSEL_SLEEP_LB; set sleep LB=0.85000 */ pwrap_write_field(PMIC_RG_VSRMCA7_CON21, 0x18, 0x7F, 0); /* [1:1]: VCA15_VOSEL_CTRL, VCA15_EN_CTRL; DVS HW control */ pwrap_write_field(PMIC_RG_VCA15_CON5, 0x3, 0x3, 0); /* [1:1]: VSRMCA15_VOSEL_CTRL, VSRAM15_EN_CTRL; */ pwrap_write_field(PMIC_RG_VSRMCA15_CON5, 0x3, 0x3, 0); /* [1:1]: VPCA7_VOSEL_CTRL; */ pwrap_write_field(PMIC_RG_VPCA7_CON5, 0x0, 0x1, 1); /* [1:1]: VSRMCA7_VOSEL_CTRL; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON5, 0x0, 0x1, 1); /* [0:0]: VSRMCA7_EN_CTRL; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON5, 0x1, 0x1, 0); /* [4:4]: VCA15_TRACK_ON_CTRL; DVFS tracking enable */ pwrap_write_field(PMIC_RG_VCA15_CON5, 0x1, 0x1, 4); /* [4:4]: VSRMCA15_TRACK_ON_CTRL; */ pwrap_write_field(PMIC_RG_VSRMCA15_CON5, 0x1, 0x1, 4); /* [4:4]: VPCA7_TRACK_ON_CTRL; */ pwrap_write_field(PMIC_RG_VPCA7_CON5, 0x0, 0x1, 4); /* [4:4]: VSRMCA7_TRACK_ON_CTRL; */ pwrap_write_field(PMIC_RG_VSRMCA7_CON5, 0x0, 0x1, 4); /* [15:14]: VGPU OC; */ pwrap_write_field(PMIC_RG_OC_CTL1, 0x3, 0x3, 14); /* [3:2]: VCA15 OC; */ pwrap_write_field(PMIC_RG_OC_CTL1, 0x3, 0x3, 2); /* Set VPCA7 to 1.2V */ pwrap_write_field(PMIC_RG_VPCA7_CON9, 0x50, 0x7f, 0x0); pwrap_write_field(PMIC_RG_VPCA7_CON10, 0x50, 0x7f, 0x0); /* Set VSRMCA7 to 1.1V */ pwrap_write_field(PMIC_RG_VSRMCA7_CON9, 0x40, 0x7f, 0x0); pwrap_write_field(PMIC_RG_VSRMCA7_CON10, 0x40, 0x7f, 0x0); /* Enable VGP6 and set to 3.3V*/ pwrap_write_field(PMIC_RG_DIGLDO_CON10, 0x1, 0x1, 15); pwrap_write_field(PMIC_RG_DIGLDO_CON33, 0x07, 0x07, 5); /* Set VDRM to 1.21875V */ pwrap_write_field(PMIC_RG_VDRM_CON9, 0x43, 0x7F, 0); pwrap_write_field(PMIC_RG_VDRM_CON10, 0x43, 0x7F, 0); /* 26M clock amplitude adjust */ pwrap_write_field(PMIC_RG_DCXO_ANALOG_CON1, 0x0, 0x3, 2); pwrap_write_field(PMIC_RG_DCXO_ANALOG_CON1, 0x1, 0x3, 11); /* For low power, set VTCXO switch by SRCVOLTEN */ pwrap_write_field(PMIC_RG_DIGLDO_CON27, 0x0100, 0x0100, 0); /* [6:5]=0(VTCXO_SRCLK_MODE_SEL) */ pwrap_write_field(PMIC_RG_ANALDO_CON0, 0, 0x3, 13); /* [11]=0(VTCXO_ON_CTRL), */ pwrap_write_field(PMIC_RG_ANALDO_CON0, 1, 0x1, 11); /* [10]=1(RG_VTCXO_EN), */ pwrap_write_field(PMIC_RG_ANALDO_CON0, 1, 0x1, 10); /* [4:3]=1(RG_VTCXOTD_SEL) */ pwrap_write_field(PMIC_RG_ANALDO_CON0, 0x3, 0x3, 3); /* For low power, VIO18 set sleep_en to HW mode */ pwrap_write_field(PMIC_RG_VIO18_CON18, 0x1, 0x1, 8); } static void mt6391_default_buck_voltage(void) { u16 reg = 0; u16 buck = 0; /* * There are two kinds of PMIC used for MT8173 : MT6397s/MT6391. * * MT6397s: the default voltage of register was not suitable for * MT8173, needs to apply the setting of eFuse. * VPCA15/VSRMCA15/: 1.15V * VCORE: 1.05V * * MT6391: the default voltage of register was matched for MT8173. * VPAC15/VCORE/VGPU: 1.0V * VSRMCA15: 1.0125V */ reg = pwrap_read_field(PMIC_RG_EFUSE_DOUT_288_303, 0xFFFF, 0); if ((reg & 0x01) == 0x01) { /* VCORE */ reg = pwrap_read_field(PMIC_RG_EFUSE_DOUT_256_271, 0xF, 12); buck = pwrap_read_field(PMIC_RG_VCORE_CON9, 0x7f, 0x0); /* VCORE_VOSEL[3:6] => eFuse bit 268-271 */ buck = (buck & 0x07) | (reg << 3); pwrap_write_field(PMIC_RG_VCORE_CON9, buck, 0x7f, 0x0); pwrap_write_field(PMIC_RG_VCORE_CON10, buck, 0x7f, 0x0); reg = pwrap_read_field(PMIC_RG_EFUSE_DOUT_272_287, 0xFFFF, 0); /* VCA15 */ buck = 0; buck = pwrap_read_field(PMIC_RG_VCA15_CON9, 0x7f, 0x0); buck = (buck & 0x07) | ((reg & 0x0F) << 3); pwrap_write_field(PMIC_RG_VCA15_CON9, buck, 0x7f, 0x0); pwrap_write_field(PMIC_RG_VCA15_CON10, buck, 0x7f, 0x0); /* VSAMRCA15 */ buck = 0; buck = pwrap_read_field(PMIC_RG_VSRMCA15_CON9, 0x7f, 0x0); buck = (buck & 0x07) | ((reg & 0xF0) >> 1); pwrap_write_field(PMIC_RG_VSRMCA15_CON9, buck, 0x7f, 0x0); pwrap_write_field(PMIC_RG_VSRMCA15_CON10, buck, 0x7f, 0x0); /* set the power control by register(use original) */ pwrap_write_field(PMIC_RG_BUCK_CON3, 0x1, 0x1, 12); } } void mt6391_init(void) { if (pwrap_init()) die("ERROR - Failed to initialize pmic wrap!"); /* pmic initial setting */ mt6391_init_setting(); /* Adjust default BUCK voltage from eFuse */ mt6391_default_buck_voltage(); } /* API of GPIO in PMIC MT6391 */ enum { MAX_GPIO_REG_BITS = 16, MAX_GPIO_MODE_PER_REG = 5, GPIO_MODE_BITS = 3, GPIO_PORT_OFFSET = 3, GPIO_SET_OFFSET = 2, GPIO_RST_OFFSET = 4, MAX_MT6391_GPIO = 40 }; enum { MT6391_GPIO_DIRECTION_IN = 0, MT6391_GPIO_DIRECTION_OUT = 1, }; enum { MT6391_GPIO_MODE = 0, }; static void pos_bit_calc(u32 pin, u16 *pos, u16 *bit) { *pos = (pin / MAX_GPIO_REG_BITS) << GPIO_PORT_OFFSET; *bit = pin % MAX_GPIO_REG_BITS; } static void pos_bit_calc_mode(u32 pin, u16 *pos, u16 *bit) { *pos = (pin / MAX_GPIO_MODE_PER_REG) << GPIO_PORT_OFFSET; *bit = (pin % MAX_GPIO_MODE_PER_REG) * GPIO_MODE_BITS; } static s32 mt6391_gpio_set_dir(u32 pin, u32 dir) { u16 pos; u16 bit; u16 reg; assert(pin <= MAX_MT6391_GPIO); pos_bit_calc(pin, &pos, &bit); if (dir == MT6391_GPIO_DIRECTION_IN) reg = MT6391_GPIO_DIR_BASE + pos + GPIO_RST_OFFSET; else reg = MT6391_GPIO_DIR_BASE + pos + GPIO_SET_OFFSET; if (pwrap_write(reg, 1L << bit) != 0) return -1; return 0; } void mt6391_gpio_set_pull(u32 pin, enum mt6391_pull_enable enable, enum mt6391_pull_select select) { u16 pos; u16 bit; u16 en_reg, sel_reg; assert(pin <= MAX_MT6391_GPIO); pos_bit_calc(pin, &pos, &bit); if (enable == MT6391_GPIO_PULL_DISABLE) { en_reg = MT6391_GPIO_PULLEN_BASE + pos + GPIO_RST_OFFSET; } else { en_reg = MT6391_GPIO_PULLEN_BASE + pos + GPIO_SET_OFFSET; sel_reg = (select == MT6391_GPIO_PULL_DOWN) ? (MT6391_GPIO_PULLSEL_BASE + pos + GPIO_RST_OFFSET) : (MT6391_GPIO_PULLSEL_BASE + pos + GPIO_SET_OFFSET); pwrap_write(sel_reg, 1L << bit); } pwrap_write(en_reg, 1L << bit); } int mt6391_gpio_get(u32 pin) { u16 pos; u16 bit; u16 reg; u16 data; assert(pin <= MAX_MT6391_GPIO); pos_bit_calc(pin, &pos, &bit); reg = MT6391_GPIO_DIN_BASE + pos; pwrap_read(reg, &data); return (data & (1L << bit)) ? 1 : 0; } void mt6391_gpio_set(u32 pin, int output) { u16 pos; u16 bit; u16 reg; assert(pin <= MAX_MT6391_GPIO); pos_bit_calc(pin, &pos, &bit); if (output == 0) reg = MT6391_GPIO_DOUT_BASE + pos + GPIO_RST_OFFSET; else reg = MT6391_GPIO_DOUT_BASE + pos + GPIO_SET_OFFSET; pwrap_write(reg, 1L << bit); } void mt6391_gpio_set_mode(u32 pin, int mode) { u16 pos; u16 bit; u16 mask = (1L << GPIO_MODE_BITS) - 1; assert(pin <= MAX_MT6391_GPIO); pos_bit_calc_mode(pin, &pos, &bit); pwrap_write_field(MT6391_GPIO_MODE_BASE + pos, mode, mask, bit); } void mt6391_gpio_input_pulldown(u32 gpio) { mt6391_gpio_set_pull(gpio, MT6391_GPIO_PULL_ENABLE, MT6391_GPIO_PULL_DOWN); mt6391_gpio_set_dir(gpio, MT6391_GPIO_DIRECTION_IN); mt6391_gpio_set_mode(gpio, MT6391_GPIO_MODE); } void mt6391_gpio_input_pullup(u32 gpio) { mt6391_gpio_set_pull(gpio, MT6391_GPIO_PULL_ENABLE, MT6391_GPIO_PULL_UP); mt6391_gpio_set_dir(gpio, MT6391_GPIO_DIRECTION_IN); mt6391_gpio_set_mode(gpio, MT6391_GPIO_MODE); } void mt6391_gpio_input(u32 gpio) { mt6391_gpio_set_pull(gpio, MT6391_GPIO_PULL_DISABLE, MT6391_GPIO_PULL_DOWN); mt6391_gpio_set_dir(gpio, MT6391_GPIO_DIRECTION_IN); mt6391_gpio_set_mode(gpio, MT6391_GPIO_MODE); } void mt6391_gpio_output(u32 gpio, int value) { mt6391_gpio_set_pull(gpio, MT6391_GPIO_PULL_DISABLE, MT6391_GPIO_PULL_DOWN); mt6391_gpio_set(gpio, value); mt6391_gpio_set_dir(gpio, MT6391_GPIO_DIRECTION_OUT); mt6391_gpio_set_mode(gpio, MT6391_GPIO_MODE); }