| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2014 MediaTek Inc. |
| * Author Flora Fu <flora.fu@mediatek.com> |
| */ |
| #include <linux/clk.h> |
| #include <linux/interrupt.h> |
| #include <linux/io.h> |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/of_device.h> |
| #include <linux/platform_device.h> |
| #include <linux/regmap.h> |
| #include <linux/reset.h> |
| #include <linux/sched/clock.h> |
| |
| #define PWRAP_MT8135_BRIDGE_IORD_ARB_EN 0x4 |
| #define PWRAP_MT8135_BRIDGE_WACS3_EN 0x10 |
| #define PWRAP_MT8135_BRIDGE_INIT_DONE3 0x14 |
| #define PWRAP_MT8135_BRIDGE_WACS4_EN 0x24 |
| #define PWRAP_MT8135_BRIDGE_INIT_DONE4 0x28 |
| #define PWRAP_MT8135_BRIDGE_INT_EN 0x38 |
| #define PWRAP_MT8135_BRIDGE_TIMER_EN 0x48 |
| #define PWRAP_MT8135_BRIDGE_WDT_UNIT 0x50 |
| #define PWRAP_MT8135_BRIDGE_WDT_SRC_EN 0x54 |
| |
| /* macro for wrapper status */ |
| #define PWRAP_GET_WACS_RDATA(x) (((x) >> 0) & 0x0000ffff) |
| #define PWRAP_GET_WACS_FSM(x) (((x) >> 16) & 0x00000007) |
| #define PWRAP_GET_WACS_REQ(x) (((x) >> 19) & 0x00000001) |
| #define PWRAP_STATE_SYNC_IDLE0 (1 << 20) |
| #define PWRAP_STATE_INIT_DONE0 (1 << 22) |
| |
| /* macro for WACS FSM */ |
| #define PWRAP_WACS_FSM_IDLE 0x00 |
| #define PWRAP_WACS_FSM_REQ 0x02 |
| #define PWRAP_WACS_FSM_WFDLE 0x04 |
| #define PWRAP_WACS_FSM_WFVLDCLR 0x06 |
| #define PWRAP_WACS_INIT_DONE 0x01 |
| #define PWRAP_WACS_WACS_SYNC_IDLE 0x01 |
| #define PWRAP_WACS_SYNC_BUSY 0x00 |
| |
| /* macro for device wrapper default value */ |
| #define PWRAP_DEW_READ_TEST_VAL 0x5aa5 |
| #define PWRAP_DEW_WRITE_TEST_VAL 0xa55a |
| |
| /* macro for manual command */ |
| #define PWRAP_MAN_CMD_SPI_WRITE_NEW (1 << 14) |
| #define PWRAP_MAN_CMD_SPI_WRITE (1 << 13) |
| #define PWRAP_MAN_CMD_OP_CSH (0x0 << 8) |
| #define PWRAP_MAN_CMD_OP_CSL (0x1 << 8) |
| #define PWRAP_MAN_CMD_OP_CK (0x2 << 8) |
| #define PWRAP_MAN_CMD_OP_OUTS (0x8 << 8) |
| #define PWRAP_MAN_CMD_OP_OUTD (0x9 << 8) |
| #define PWRAP_MAN_CMD_OP_OUTQ (0xa << 8) |
| |
| /* macro for Watch Dog Timer Source */ |
| #define PWRAP_WDT_SRC_EN_STAUPD_TRIG (1 << 25) |
| #define PWRAP_WDT_SRC_EN_HARB_STAUPD_DLE (1 << 20) |
| #define PWRAP_WDT_SRC_EN_HARB_STAUPD_ALE (1 << 6) |
| #define PWRAP_WDT_SRC_MASK_ALL 0xffffffff |
| #define PWRAP_WDT_SRC_MASK_NO_STAUPD ~(PWRAP_WDT_SRC_EN_STAUPD_TRIG | \ |
| PWRAP_WDT_SRC_EN_HARB_STAUPD_DLE | \ |
| PWRAP_WDT_SRC_EN_HARB_STAUPD_ALE) |
| |
| /* Group of bits used for shown slave capability */ |
| #define PWRAP_SLV_CAP_SPI BIT(0) |
| #define PWRAP_SLV_CAP_DUALIO BIT(1) |
| #define PWRAP_SLV_CAP_SECURITY BIT(2) |
| #define HAS_CAP(_c, _x) (((_c) & (_x)) == (_x)) |
| |
| /* Group of bits used for shown pwrap capability */ |
| #define PWRAP_CAP_BRIDGE BIT(0) |
| #define PWRAP_CAP_RESET BIT(1) |
| #define PWRAP_CAP_DCM BIT(2) |
| #define PWRAP_CAP_PRIORITY_SEL BIT(3) |
| #define PWRAP_CAP_INT1_EN BIT(4) |
| #define PWRAP_CAP_MONITOR_V1 BIT(5) |
| #define PWRAP_CAP_MONITOR_V2 BIT(6) |
| #define PWRAP_CAP_ULPOSC_CLK BIT(7) |
| |
| /* defines for slave device wrapper registers */ |
| enum dew_regs { |
| PWRAP_DEW_BASE, |
| PWRAP_DEW_DIO_EN, |
| PWRAP_DEW_READ_TEST, |
| PWRAP_DEW_WRITE_TEST, |
| PWRAP_DEW_CRC_EN, |
| PWRAP_DEW_CRC_VAL, |
| PWRAP_DEW_MON_GRP_SEL, |
| PWRAP_DEW_CIPHER_KEY_SEL, |
| PWRAP_DEW_CIPHER_IV_SEL, |
| PWRAP_DEW_CIPHER_RDY, |
| PWRAP_DEW_CIPHER_MODE, |
| PWRAP_DEW_CIPHER_SWRST, |
| |
| /* MT6397 only regs */ |
| PWRAP_DEW_EVENT_OUT_EN, |
| PWRAP_DEW_EVENT_SRC_EN, |
| PWRAP_DEW_EVENT_SRC, |
| PWRAP_DEW_EVENT_FLAG, |
| PWRAP_DEW_MON_FLAG_SEL, |
| PWRAP_DEW_EVENT_TEST, |
| PWRAP_DEW_CIPHER_LOAD, |
| PWRAP_DEW_CIPHER_START, |
| |
| /* MT6323 only regs */ |
| PWRAP_DEW_CIPHER_EN, |
| PWRAP_DEW_RDDMY_NO, |
| }; |
| |
| static const u32 mt6323_regs[] = { |
| [PWRAP_DEW_BASE] = 0x0000, |
| [PWRAP_DEW_DIO_EN] = 0x018a, |
| [PWRAP_DEW_READ_TEST] = 0x018c, |
| [PWRAP_DEW_WRITE_TEST] = 0x018e, |
| [PWRAP_DEW_CRC_EN] = 0x0192, |
| [PWRAP_DEW_CRC_VAL] = 0x0194, |
| [PWRAP_DEW_MON_GRP_SEL] = 0x0196, |
| [PWRAP_DEW_CIPHER_KEY_SEL] = 0x0198, |
| [PWRAP_DEW_CIPHER_IV_SEL] = 0x019a, |
| [PWRAP_DEW_CIPHER_EN] = 0x019c, |
| [PWRAP_DEW_CIPHER_RDY] = 0x019e, |
| [PWRAP_DEW_CIPHER_MODE] = 0x01a0, |
| [PWRAP_DEW_CIPHER_SWRST] = 0x01a2, |
| [PWRAP_DEW_RDDMY_NO] = 0x01a4, |
| }; |
| |
| static const u32 mt6397_regs[] = { |
| [PWRAP_DEW_BASE] = 0xbc00, |
| [PWRAP_DEW_EVENT_OUT_EN] = 0xbc00, |
| [PWRAP_DEW_DIO_EN] = 0xbc02, |
| [PWRAP_DEW_EVENT_SRC_EN] = 0xbc04, |
| [PWRAP_DEW_EVENT_SRC] = 0xbc06, |
| [PWRAP_DEW_EVENT_FLAG] = 0xbc08, |
| [PWRAP_DEW_READ_TEST] = 0xbc0a, |
| [PWRAP_DEW_WRITE_TEST] = 0xbc0c, |
| [PWRAP_DEW_CRC_EN] = 0xbc0e, |
| [PWRAP_DEW_CRC_VAL] = 0xbc10, |
| [PWRAP_DEW_MON_GRP_SEL] = 0xbc12, |
| [PWRAP_DEW_MON_FLAG_SEL] = 0xbc14, |
| [PWRAP_DEW_EVENT_TEST] = 0xbc16, |
| [PWRAP_DEW_CIPHER_KEY_SEL] = 0xbc18, |
| [PWRAP_DEW_CIPHER_IV_SEL] = 0xbc1a, |
| [PWRAP_DEW_CIPHER_LOAD] = 0xbc1c, |
| [PWRAP_DEW_CIPHER_START] = 0xbc1e, |
| [PWRAP_DEW_CIPHER_RDY] = 0xbc20, |
| [PWRAP_DEW_CIPHER_MODE] = 0xbc22, |
| [PWRAP_DEW_CIPHER_SWRST] = 0xbc24, |
| }; |
| |
| static const u32 mt6351_regs[] = { |
| [PWRAP_DEW_DIO_EN] = 0x02F2, |
| [PWRAP_DEW_READ_TEST] = 0x02F4, |
| [PWRAP_DEW_WRITE_TEST] = 0x02F6, |
| [PWRAP_DEW_CRC_EN] = 0x02FA, |
| [PWRAP_DEW_CRC_VAL] = 0x02FC, |
| [PWRAP_DEW_CIPHER_KEY_SEL] = 0x0300, |
| [PWRAP_DEW_CIPHER_IV_SEL] = 0x0302, |
| [PWRAP_DEW_CIPHER_EN] = 0x0304, |
| [PWRAP_DEW_CIPHER_RDY] = 0x0306, |
| [PWRAP_DEW_CIPHER_MODE] = 0x0308, |
| [PWRAP_DEW_CIPHER_SWRST] = 0x030A, |
| [PWRAP_DEW_RDDMY_NO] = 0x030C, |
| }; |
| |
| static const u32 mt6359_regs[] = { |
| [PWRAP_DEW_DIO_EN] = 0x040c, |
| [PWRAP_DEW_READ_TEST] = 0x040e, |
| [PWRAP_DEW_WRITE_TEST] = 0x0410, |
| [PWRAP_DEW_CRC_EN] = 0x0414, |
| [PWRAP_DEW_CRC_VAL] = 0x0416, |
| [PWRAP_DEW_CIPHER_KEY_SEL] = 0x0418, |
| [PWRAP_DEW_CIPHER_IV_SEL] = 0x041a, |
| [PWRAP_DEW_CIPHER_EN] = 0x041c, |
| [PWRAP_DEW_CIPHER_RDY] = 0x041e, |
| [PWRAP_DEW_CIPHER_MODE] = 0x0420, |
| [PWRAP_DEW_CIPHER_SWRST] = 0x0422, |
| [PWRAP_DEW_RDDMY_NO] = 0x0424, |
| }; |
| |
| enum pwrap_regs { |
| PWRAP_MUX_SEL, |
| PWRAP_WRAP_EN, |
| PWRAP_DIO_EN, |
| PWRAP_SIDLY, |
| PWRAP_CSHEXT_WRITE, |
| PWRAP_CSHEXT_READ, |
| PWRAP_CSLEXT_START, |
| PWRAP_CSLEXT_END, |
| PWRAP_STAUPD_PRD, |
| PWRAP_STAUPD_GRPEN, |
| PWRAP_STAUPD_MAN_TRIG, |
| PWRAP_STAUPD_STA, |
| PWRAP_WRAP_STA, |
| PWRAP_HARB_INIT, |
| PWRAP_HARB_HPRIO, |
| PWRAP_HIPRIO_ARB_EN, |
| PWRAP_HARB_STA0, |
| PWRAP_HARB_STA1, |
| PWRAP_MAN_EN, |
| PWRAP_MAN_CMD, |
| PWRAP_MAN_RDATA, |
| PWRAP_MAN_VLDCLR, |
| PWRAP_WACS0_EN, |
| PWRAP_INIT_DONE0, |
| PWRAP_WACS0_CMD, |
| PWRAP_WACS0_RDATA, |
| PWRAP_WACS0_VLDCLR, |
| PWRAP_WACS1_EN, |
| PWRAP_INIT_DONE1, |
| PWRAP_WACS1_CMD, |
| PWRAP_WACS1_RDATA, |
| PWRAP_WACS1_VLDCLR, |
| PWRAP_WACS2_EN, |
| PWRAP_INIT_DONE2, |
| PWRAP_WACS2_CMD, |
| PWRAP_WACS2_RDATA, |
| PWRAP_WACS2_VLDCLR, |
| PWRAP_WACS3_EN, |
| PWRAP_INIT_DONE3, |
| PWRAP_WACS3_CMD, |
| PWRAP_WACS3_RDATA, |
| PWRAP_WACS3_VLDCLR, |
| PWRAP_INT_EN, |
| PWRAP_INT_FLG_RAW, |
| PWRAP_INT_FLG, |
| PWRAP_INT_CLR, |
| PWRAP_SIG_ADR, |
| PWRAP_SIG_MODE, |
| PWRAP_SIG_VALUE, |
| PWRAP_SIG_ERRVAL, |
| PWRAP_CRC_EN, |
| PWRAP_TIMER_EN, |
| PWRAP_TIMER_STA, |
| PWRAP_WDT_UNIT, |
| PWRAP_WDT_SRC_EN, |
| PWRAP_WDT_FLG, |
| PWRAP_DEBUG_INT_SEL, |
| PWRAP_CIPHER_KEY_SEL, |
| PWRAP_CIPHER_IV_SEL, |
| PWRAP_CIPHER_RDY, |
| PWRAP_CIPHER_MODE, |
| PWRAP_CIPHER_SWRST, |
| PWRAP_DCM_EN, |
| PWRAP_DCM_DBC_PRD, |
| |
| /* MT2701 only regs */ |
| PWRAP_ADC_CMD_ADDR, |
| PWRAP_PWRAP_ADC_CMD, |
| PWRAP_ADC_RDY_ADDR, |
| PWRAP_ADC_RDATA_ADDR1, |
| PWRAP_ADC_RDATA_ADDR2, |
| |
| /* MT6779 only regs */ |
| PWRAP_CSLEXT_WRITE, |
| PWRAP_CSLEXT_READ, |
| PWRAP_STAUPD_CTRL, |
| PWRAP_EXT_CK_WRITE, |
| PWRAP_INT0_FLG_RAW, |
| PWRAP_INT0_FLG, |
| PWRAP_INT0_CLR, |
| PWRAP_INT1_EN, |
| PWRAP_INT1_FLG_RAW, |
| PWRAP_INT1_FLG, |
| PWRAP_INT1_CLR, |
| PWRAP_TIMER_CTRL, |
| PWRAP_WDT_CTRL, |
| PWRAP_WDT_SRC_EN_1, |
| PWRAP_WDT_FLG_1, |
| PWRAP_EINT_STA0_ADR, |
| PWRAP_EINT_STA1_ADR, |
| PWRAP_EINT_STA, |
| PWRAP_EINT_CLR, |
| PWRAP_HPRIO_ARB_EN, |
| |
| /* MT7622 only regs */ |
| PWRAP_STA, |
| PWRAP_CLR, |
| PWRAP_DVFS_ADR8, |
| PWRAP_DVFS_WDATA8, |
| PWRAP_DVFS_ADR9, |
| PWRAP_DVFS_WDATA9, |
| PWRAP_DVFS_ADR10, |
| PWRAP_DVFS_WDATA10, |
| PWRAP_DVFS_ADR11, |
| PWRAP_DVFS_WDATA11, |
| PWRAP_DVFS_ADR12, |
| PWRAP_DVFS_WDATA12, |
| PWRAP_DVFS_ADR13, |
| PWRAP_DVFS_WDATA13, |
| PWRAP_DVFS_ADR14, |
| PWRAP_DVFS_WDATA14, |
| PWRAP_DVFS_ADR15, |
| PWRAP_DVFS_WDATA15, |
| PWRAP_EXT_CK, |
| PWRAP_ADC_RDATA_ADDR, |
| PWRAP_GPS_STA, |
| PWRAP_SW_RST, |
| PWRAP_DVFS_STEP_CTRL0, |
| PWRAP_DVFS_STEP_CTRL1, |
| PWRAP_DVFS_STEP_CTRL2, |
| PWRAP_SPI2_CTRL, |
| |
| /* MT8135 only regs */ |
| PWRAP_CSHEXT, |
| PWRAP_EVENT_IN_EN, |
| PWRAP_EVENT_DST_EN, |
| PWRAP_RRARB_INIT, |
| PWRAP_RRARB_EN, |
| PWRAP_RRARB_STA0, |
| PWRAP_RRARB_STA1, |
| PWRAP_EVENT_STA, |
| PWRAP_EVENT_STACLR, |
| PWRAP_CIPHER_LOAD, |
| PWRAP_CIPHER_START, |
| |
| /* MT8173 only regs */ |
| PWRAP_RDDMY, |
| PWRAP_SI_CK_CON, |
| PWRAP_DVFS_ADR0, |
| PWRAP_DVFS_WDATA0, |
| PWRAP_DVFS_ADR1, |
| PWRAP_DVFS_WDATA1, |
| PWRAP_DVFS_ADR2, |
| PWRAP_DVFS_WDATA2, |
| PWRAP_DVFS_ADR3, |
| PWRAP_DVFS_WDATA3, |
| PWRAP_DVFS_ADR4, |
| PWRAP_DVFS_WDATA4, |
| PWRAP_DVFS_ADR5, |
| PWRAP_DVFS_WDATA5, |
| PWRAP_DVFS_ADR6, |
| PWRAP_DVFS_WDATA6, |
| PWRAP_DVFS_ADR7, |
| PWRAP_DVFS_WDATA7, |
| PWRAP_SPMINF_STA, |
| PWRAP_CIPHER_EN, |
| }; |
| |
| static int mt2701_regs[] = { |
| [PWRAP_MUX_SEL] = 0x0, |
| [PWRAP_WRAP_EN] = 0x4, |
| [PWRAP_DIO_EN] = 0x8, |
| [PWRAP_SIDLY] = 0xc, |
| [PWRAP_RDDMY] = 0x18, |
| [PWRAP_SI_CK_CON] = 0x1c, |
| [PWRAP_CSHEXT_WRITE] = 0x20, |
| [PWRAP_CSHEXT_READ] = 0x24, |
| [PWRAP_CSLEXT_START] = 0x28, |
| [PWRAP_CSLEXT_END] = 0x2c, |
| [PWRAP_STAUPD_PRD] = 0x30, |
| [PWRAP_STAUPD_GRPEN] = 0x34, |
| [PWRAP_STAUPD_MAN_TRIG] = 0x38, |
| [PWRAP_STAUPD_STA] = 0x3c, |
| [PWRAP_WRAP_STA] = 0x44, |
| [PWRAP_HARB_INIT] = 0x48, |
| [PWRAP_HARB_HPRIO] = 0x4c, |
| [PWRAP_HIPRIO_ARB_EN] = 0x50, |
| [PWRAP_HARB_STA0] = 0x54, |
| [PWRAP_HARB_STA1] = 0x58, |
| [PWRAP_MAN_EN] = 0x5c, |
| [PWRAP_MAN_CMD] = 0x60, |
| [PWRAP_MAN_RDATA] = 0x64, |
| [PWRAP_MAN_VLDCLR] = 0x68, |
| [PWRAP_WACS0_EN] = 0x6c, |
| [PWRAP_INIT_DONE0] = 0x70, |
| [PWRAP_WACS0_CMD] = 0x74, |
| [PWRAP_WACS0_RDATA] = 0x78, |
| [PWRAP_WACS0_VLDCLR] = 0x7c, |
| [PWRAP_WACS1_EN] = 0x80, |
| [PWRAP_INIT_DONE1] = 0x84, |
| [PWRAP_WACS1_CMD] = 0x88, |
| [PWRAP_WACS1_RDATA] = 0x8c, |
| [PWRAP_WACS1_VLDCLR] = 0x90, |
| [PWRAP_WACS2_EN] = 0x94, |
| [PWRAP_INIT_DONE2] = 0x98, |
| [PWRAP_WACS2_CMD] = 0x9c, |
| [PWRAP_WACS2_RDATA] = 0xa0, |
| [PWRAP_WACS2_VLDCLR] = 0xa4, |
| [PWRAP_INT_EN] = 0xa8, |
| [PWRAP_INT_FLG_RAW] = 0xac, |
| [PWRAP_INT_FLG] = 0xb0, |
| [PWRAP_INT_CLR] = 0xb4, |
| [PWRAP_SIG_ADR] = 0xb8, |
| [PWRAP_SIG_MODE] = 0xbc, |
| [PWRAP_SIG_VALUE] = 0xc0, |
| [PWRAP_SIG_ERRVAL] = 0xc4, |
| [PWRAP_CRC_EN] = 0xc8, |
| [PWRAP_TIMER_EN] = 0xcc, |
| [PWRAP_TIMER_STA] = 0xd0, |
| [PWRAP_WDT_UNIT] = 0xd4, |
| [PWRAP_WDT_SRC_EN] = 0xd8, |
| [PWRAP_WDT_FLG] = 0xdc, |
| [PWRAP_DEBUG_INT_SEL] = 0xe0, |
| [PWRAP_DVFS_ADR0] = 0xe4, |
| [PWRAP_DVFS_WDATA0] = 0xe8, |
| [PWRAP_DVFS_ADR1] = 0xec, |
| [PWRAP_DVFS_WDATA1] = 0xf0, |
| [PWRAP_DVFS_ADR2] = 0xf4, |
| [PWRAP_DVFS_WDATA2] = 0xf8, |
| [PWRAP_DVFS_ADR3] = 0xfc, |
| [PWRAP_DVFS_WDATA3] = 0x100, |
| [PWRAP_DVFS_ADR4] = 0x104, |
| [PWRAP_DVFS_WDATA4] = 0x108, |
| [PWRAP_DVFS_ADR5] = 0x10c, |
| [PWRAP_DVFS_WDATA5] = 0x110, |
| [PWRAP_DVFS_ADR6] = 0x114, |
| [PWRAP_DVFS_WDATA6] = 0x118, |
| [PWRAP_DVFS_ADR7] = 0x11c, |
| [PWRAP_DVFS_WDATA7] = 0x120, |
| [PWRAP_CIPHER_KEY_SEL] = 0x124, |
| [PWRAP_CIPHER_IV_SEL] = 0x128, |
| [PWRAP_CIPHER_EN] = 0x12c, |
| [PWRAP_CIPHER_RDY] = 0x130, |
| [PWRAP_CIPHER_MODE] = 0x134, |
| [PWRAP_CIPHER_SWRST] = 0x138, |
| [PWRAP_DCM_EN] = 0x13c, |
| [PWRAP_DCM_DBC_PRD] = 0x140, |
| [PWRAP_ADC_CMD_ADDR] = 0x144, |
| [PWRAP_PWRAP_ADC_CMD] = 0x148, |
| [PWRAP_ADC_RDY_ADDR] = 0x14c, |
| [PWRAP_ADC_RDATA_ADDR1] = 0x150, |
| [PWRAP_ADC_RDATA_ADDR2] = 0x154, |
| }; |
| |
| static int mt6779_regs[] = { |
| [PWRAP_MUX_SEL] = 0x0, |
| [PWRAP_WRAP_EN] = 0x4, |
| [PWRAP_DIO_EN] = 0x8, |
| [PWRAP_RDDMY] = 0x20, |
| [PWRAP_CSHEXT_WRITE] = 0x24, |
| [PWRAP_CSHEXT_READ] = 0x28, |
| [PWRAP_CSLEXT_WRITE] = 0x2C, |
| [PWRAP_CSLEXT_READ] = 0x30, |
| [PWRAP_EXT_CK_WRITE] = 0x34, |
| [PWRAP_STAUPD_CTRL] = 0x3C, |
| [PWRAP_STAUPD_GRPEN] = 0x40, |
| [PWRAP_EINT_STA0_ADR] = 0x44, |
| [PWRAP_EINT_STA1_ADR] = 0x48, |
| [PWRAP_EINT_STA] = 0x4C, |
| [PWRAP_EINT_CLR] = 0x50, |
| [PWRAP_HPRIO_ARB_EN] = 0x6C, |
| [PWRAP_MAN_EN] = 0x7C, |
| [PWRAP_MAN_CMD] = 0x80, |
| [PWRAP_WACS0_EN] = 0x8C, |
| [PWRAP_WACS1_EN] = 0x94, |
| [PWRAP_WACS2_EN] = 0x9C, |
| [PWRAP_WACS3_EN] = 0xA4, |
| [PWRAP_INIT_DONE0] = 0x90, |
| [PWRAP_INIT_DONE1] = 0x98, |
| [PWRAP_INIT_DONE2] = 0xA0, |
| [PWRAP_INIT_DONE3] = 0xA8, |
| [PWRAP_INT_EN] = 0xBC, |
| [PWRAP_INT0_FLG_RAW] = 0xC0, |
| [PWRAP_INT0_FLG] = 0xC4, |
| [PWRAP_INT0_CLR] = 0xC8, |
| [PWRAP_INT1_EN] = 0xCC, |
| [PWRAP_INT1_FLG_RAW] = 0xD0, |
| [PWRAP_INT1_FLG] = 0xD4, |
| [PWRAP_INT1_CLR] = 0xD8, |
| [PWRAP_TIMER_CTRL] = 0xF0, |
| [PWRAP_WDT_CTRL] = 0xF8, |
| [PWRAP_WDT_SRC_EN] = 0xFC, |
| [PWRAP_WDT_SRC_EN_1] = 0x100, |
| [PWRAP_WDT_FLG] = 0x104, |
| [PWRAP_WDT_FLG_1] = 0x108, |
| [PWRAP_WACS0_CMD] = 0xC00, |
| [PWRAP_WACS0_RDATA] = 0xC04, |
| [PWRAP_WACS0_VLDCLR] = 0xC08, |
| [PWRAP_WACS1_CMD] = 0xC10, |
| [PWRAP_WACS1_RDATA] = 0xC14, |
| [PWRAP_WACS1_VLDCLR] = 0xC18, |
| [PWRAP_WACS2_CMD] = 0xC20, |
| [PWRAP_WACS2_RDATA] = 0xC24, |
| [PWRAP_WACS2_VLDCLR] = 0xC28, |
| [PWRAP_WACS3_CMD] = 0xC30, |
| [PWRAP_WACS3_RDATA] = 0xC34, |
| [PWRAP_WACS3_VLDCLR] = 0xC38, |
| }; |
| |
| static int mt6797_regs[] = { |
| [PWRAP_MUX_SEL] = 0x0, |
| [PWRAP_WRAP_EN] = 0x4, |
| [PWRAP_DIO_EN] = 0x8, |
| [PWRAP_SIDLY] = 0xC, |
| [PWRAP_RDDMY] = 0x10, |
| [PWRAP_CSHEXT_WRITE] = 0x18, |
| [PWRAP_CSHEXT_READ] = 0x1C, |
| [PWRAP_CSLEXT_START] = 0x20, |
| [PWRAP_CSLEXT_END] = 0x24, |
| [PWRAP_STAUPD_PRD] = 0x28, |
| [PWRAP_HARB_HPRIO] = 0x50, |
| [PWRAP_HIPRIO_ARB_EN] = 0x54, |
| [PWRAP_MAN_EN] = 0x60, |
| [PWRAP_MAN_CMD] = 0x64, |
| [PWRAP_WACS0_EN] = 0x70, |
| [PWRAP_WACS1_EN] = 0x84, |
| [PWRAP_WACS2_EN] = 0x98, |
| [PWRAP_INIT_DONE2] = 0x9C, |
| [PWRAP_WACS2_CMD] = 0xA0, |
| [PWRAP_WACS2_RDATA] = 0xA4, |
| [PWRAP_WACS2_VLDCLR] = 0xA8, |
| [PWRAP_INT_EN] = 0xC0, |
| [PWRAP_INT_FLG_RAW] = 0xC4, |
| [PWRAP_INT_FLG] = 0xC8, |
| [PWRAP_INT_CLR] = 0xCC, |
| [PWRAP_TIMER_EN] = 0xF4, |
| [PWRAP_WDT_UNIT] = 0xFC, |
| [PWRAP_WDT_SRC_EN] = 0x100, |
| [PWRAP_DCM_EN] = 0x1CC, |
| [PWRAP_DCM_DBC_PRD] = 0x1D4, |
| }; |
| |
| static int mt7622_regs[] = { |
| [PWRAP_MUX_SEL] = 0x0, |
| [PWRAP_WRAP_EN] = 0x4, |
| [PWRAP_DIO_EN] = 0x8, |
| [PWRAP_SIDLY] = 0xC, |
| [PWRAP_RDDMY] = 0x10, |
| [PWRAP_SI_CK_CON] = 0x14, |
| [PWRAP_CSHEXT_WRITE] = 0x18, |
| [PWRAP_CSHEXT_READ] = 0x1C, |
| [PWRAP_CSLEXT_START] = 0x20, |
| [PWRAP_CSLEXT_END] = 0x24, |
| [PWRAP_STAUPD_PRD] = 0x28, |
| [PWRAP_STAUPD_GRPEN] = 0x2C, |
| [PWRAP_EINT_STA0_ADR] = 0x30, |
| [PWRAP_EINT_STA1_ADR] = 0x34, |
| [PWRAP_STA] = 0x38, |
| [PWRAP_CLR] = 0x3C, |
| [PWRAP_STAUPD_MAN_TRIG] = 0x40, |
| [PWRAP_STAUPD_STA] = 0x44, |
| [PWRAP_WRAP_STA] = 0x48, |
| [PWRAP_HARB_INIT] = 0x4C, |
| [PWRAP_HARB_HPRIO] = 0x50, |
| [PWRAP_HIPRIO_ARB_EN] = 0x54, |
| [PWRAP_HARB_STA0] = 0x58, |
| [PWRAP_HARB_STA1] = 0x5C, |
| [PWRAP_MAN_EN] = 0x60, |
| [PWRAP_MAN_CMD] = 0x64, |
| [PWRAP_MAN_RDATA] = 0x68, |
| [PWRAP_MAN_VLDCLR] = 0x6C, |
| [PWRAP_WACS0_EN] = 0x70, |
| [PWRAP_INIT_DONE0] = 0x74, |
| [PWRAP_WACS0_CMD] = 0x78, |
| [PWRAP_WACS0_RDATA] = 0x7C, |
| [PWRAP_WACS0_VLDCLR] = 0x80, |
| [PWRAP_WACS1_EN] = 0x84, |
| [PWRAP_INIT_DONE1] = 0x88, |
| [PWRAP_WACS1_CMD] = 0x8C, |
| [PWRAP_WACS1_RDATA] = 0x90, |
| [PWRAP_WACS1_VLDCLR] = 0x94, |
| [PWRAP_WACS2_EN] = 0x98, |
| [PWRAP_INIT_DONE2] = 0x9C, |
| [PWRAP_WACS2_CMD] = 0xA0, |
| [PWRAP_WACS2_RDATA] = 0xA4, |
| [PWRAP_WACS2_VLDCLR] = 0xA8, |
| [PWRAP_INT_EN] = 0xAC, |
| [PWRAP_INT_FLG_RAW] = 0xB0, |
| [PWRAP_INT_FLG] = 0xB4, |
| [PWRAP_INT_CLR] = 0xB8, |
| [PWRAP_SIG_ADR] = 0xBC, |
| [PWRAP_SIG_MODE] = 0xC0, |
| [PWRAP_SIG_VALUE] = 0xC4, |
| [PWRAP_SIG_ERRVAL] = 0xC8, |
| [PWRAP_CRC_EN] = 0xCC, |
| [PWRAP_TIMER_EN] = 0xD0, |
| [PWRAP_TIMER_STA] = 0xD4, |
| [PWRAP_WDT_UNIT] = 0xD8, |
| [PWRAP_WDT_SRC_EN] = 0xDC, |
| [PWRAP_WDT_FLG] = 0xE0, |
| [PWRAP_DEBUG_INT_SEL] = 0xE4, |
| [PWRAP_DVFS_ADR0] = 0xE8, |
| [PWRAP_DVFS_WDATA0] = 0xEC, |
| [PWRAP_DVFS_ADR1] = 0xF0, |
| [PWRAP_DVFS_WDATA1] = 0xF4, |
| [PWRAP_DVFS_ADR2] = 0xF8, |
| [PWRAP_DVFS_WDATA2] = 0xFC, |
| [PWRAP_DVFS_ADR3] = 0x100, |
| [PWRAP_DVFS_WDATA3] = 0x104, |
| [PWRAP_DVFS_ADR4] = 0x108, |
| [PWRAP_DVFS_WDATA4] = 0x10C, |
| [PWRAP_DVFS_ADR5] = 0x110, |
| [PWRAP_DVFS_WDATA5] = 0x114, |
| [PWRAP_DVFS_ADR6] = 0x118, |
| [PWRAP_DVFS_WDATA6] = 0x11C, |
| [PWRAP_DVFS_ADR7] = 0x120, |
| [PWRAP_DVFS_WDATA7] = 0x124, |
| [PWRAP_DVFS_ADR8] = 0x128, |
| [PWRAP_DVFS_WDATA8] = 0x12C, |
| [PWRAP_DVFS_ADR9] = 0x130, |
| [PWRAP_DVFS_WDATA9] = 0x134, |
| [PWRAP_DVFS_ADR10] = 0x138, |
| [PWRAP_DVFS_WDATA10] = 0x13C, |
| [PWRAP_DVFS_ADR11] = 0x140, |
| [PWRAP_DVFS_WDATA11] = 0x144, |
| [PWRAP_DVFS_ADR12] = 0x148, |
| [PWRAP_DVFS_WDATA12] = 0x14C, |
| [PWRAP_DVFS_ADR13] = 0x150, |
| [PWRAP_DVFS_WDATA13] = 0x154, |
| [PWRAP_DVFS_ADR14] = 0x158, |
| [PWRAP_DVFS_WDATA14] = 0x15C, |
| [PWRAP_DVFS_ADR15] = 0x160, |
| [PWRAP_DVFS_WDATA15] = 0x164, |
| [PWRAP_SPMINF_STA] = 0x168, |
| [PWRAP_CIPHER_KEY_SEL] = 0x16C, |
| [PWRAP_CIPHER_IV_SEL] = 0x170, |
| [PWRAP_CIPHER_EN] = 0x174, |
| [PWRAP_CIPHER_RDY] = 0x178, |
| [PWRAP_CIPHER_MODE] = 0x17C, |
| [PWRAP_CIPHER_SWRST] = 0x180, |
| [PWRAP_DCM_EN] = 0x184, |
| [PWRAP_DCM_DBC_PRD] = 0x188, |
| [PWRAP_EXT_CK] = 0x18C, |
| [PWRAP_ADC_CMD_ADDR] = 0x190, |
| [PWRAP_PWRAP_ADC_CMD] = 0x194, |
| [PWRAP_ADC_RDATA_ADDR] = 0x198, |
| [PWRAP_GPS_STA] = 0x19C, |
| [PWRAP_SW_RST] = 0x1A0, |
| [PWRAP_DVFS_STEP_CTRL0] = 0x238, |
| [PWRAP_DVFS_STEP_CTRL1] = 0x23C, |
| [PWRAP_DVFS_STEP_CTRL2] = 0x240, |
| [PWRAP_SPI2_CTRL] = 0x244, |
| }; |
| |
| static int mt8173_regs[] = { |
| [PWRAP_MUX_SEL] = 0x0, |
| [PWRAP_WRAP_EN] = 0x4, |
| [PWRAP_DIO_EN] = 0x8, |
| [PWRAP_SIDLY] = 0xc, |
| [PWRAP_RDDMY] = 0x10, |
| [PWRAP_SI_CK_CON] = 0x14, |
| [PWRAP_CSHEXT_WRITE] = 0x18, |
| [PWRAP_CSHEXT_READ] = 0x1c, |
| [PWRAP_CSLEXT_START] = 0x20, |
| [PWRAP_CSLEXT_END] = 0x24, |
| [PWRAP_STAUPD_PRD] = 0x28, |
| [PWRAP_STAUPD_GRPEN] = 0x2c, |
| [PWRAP_STAUPD_MAN_TRIG] = 0x40, |
| [PWRAP_STAUPD_STA] = 0x44, |
| [PWRAP_WRAP_STA] = 0x48, |
| [PWRAP_HARB_INIT] = 0x4c, |
| [PWRAP_HARB_HPRIO] = 0x50, |
| [PWRAP_HIPRIO_ARB_EN] = 0x54, |
| [PWRAP_HARB_STA0] = 0x58, |
| [PWRAP_HARB_STA1] = 0x5c, |
| [PWRAP_MAN_EN] = 0x60, |
| [PWRAP_MAN_CMD] = 0x64, |
| [PWRAP_MAN_RDATA] = 0x68, |
| [PWRAP_MAN_VLDCLR] = 0x6c, |
| [PWRAP_WACS0_EN] = 0x70, |
| [PWRAP_INIT_DONE0] = 0x74, |
| [PWRAP_WACS0_CMD] = 0x78, |
| [PWRAP_WACS0_RDATA] = 0x7c, |
| [PWRAP_WACS0_VLDCLR] = 0x80, |
| [PWRAP_WACS1_EN] = 0x84, |
| [PWRAP_INIT_DONE1] = 0x88, |
| [PWRAP_WACS1_CMD] = 0x8c, |
| [PWRAP_WACS1_RDATA] = 0x90, |
| [PWRAP_WACS1_VLDCLR] = 0x94, |
| [PWRAP_WACS2_EN] = 0x98, |
| [PWRAP_INIT_DONE2] = 0x9c, |
| [PWRAP_WACS2_CMD] = 0xa0, |
| [PWRAP_WACS2_RDATA] = 0xa4, |
| [PWRAP_WACS2_VLDCLR] = 0xa8, |
| [PWRAP_INT_EN] = 0xac, |
| [PWRAP_INT_FLG_RAW] = 0xb0, |
| [PWRAP_INT_FLG] = 0xb4, |
| [PWRAP_INT_CLR] = 0xb8, |
| [PWRAP_SIG_ADR] = 0xbc, |
| [PWRAP_SIG_MODE] = 0xc0, |
| [PWRAP_SIG_VALUE] = 0xc4, |
| [PWRAP_SIG_ERRVAL] = 0xc8, |
| [PWRAP_CRC_EN] = 0xcc, |
| [PWRAP_TIMER_EN] = 0xd0, |
| [PWRAP_TIMER_STA] = 0xd4, |
| [PWRAP_WDT_UNIT] = 0xd8, |
| [PWRAP_WDT_SRC_EN] = 0xdc, |
| [PWRAP_WDT_FLG] = 0xe0, |
| [PWRAP_DEBUG_INT_SEL] = 0xe4, |
| [PWRAP_DVFS_ADR0] = 0xe8, |
| [PWRAP_DVFS_WDATA0] = 0xec, |
| [PWRAP_DVFS_ADR1] = 0xf0, |
| [PWRAP_DVFS_WDATA1] = 0xf4, |
| [PWRAP_DVFS_ADR2] = 0xf8, |
| [PWRAP_DVFS_WDATA2] = 0xfc, |
| [PWRAP_DVFS_ADR3] = 0x100, |
| [PWRAP_DVFS_WDATA3] = 0x104, |
| [PWRAP_DVFS_ADR4] = 0x108, |
| [PWRAP_DVFS_WDATA4] = 0x10c, |
| [PWRAP_DVFS_ADR5] = 0x110, |
| [PWRAP_DVFS_WDATA5] = 0x114, |
| [PWRAP_DVFS_ADR6] = 0x118, |
| [PWRAP_DVFS_WDATA6] = 0x11c, |
| [PWRAP_DVFS_ADR7] = 0x120, |
| [PWRAP_DVFS_WDATA7] = 0x124, |
| [PWRAP_SPMINF_STA] = 0x128, |
| [PWRAP_CIPHER_KEY_SEL] = 0x12c, |
| [PWRAP_CIPHER_IV_SEL] = 0x130, |
| [PWRAP_CIPHER_EN] = 0x134, |
| [PWRAP_CIPHER_RDY] = 0x138, |
| [PWRAP_CIPHER_MODE] = 0x13c, |
| [PWRAP_CIPHER_SWRST] = 0x140, |
| [PWRAP_DCM_EN] = 0x144, |
| [PWRAP_DCM_DBC_PRD] = 0x148, |
| }; |
| |
| static int mt8135_regs[] = { |
| [PWRAP_MUX_SEL] = 0x0, |
| [PWRAP_WRAP_EN] = 0x4, |
| [PWRAP_DIO_EN] = 0x8, |
| [PWRAP_SIDLY] = 0xc, |
| [PWRAP_CSHEXT] = 0x10, |
| [PWRAP_CSHEXT_WRITE] = 0x14, |
| [PWRAP_CSHEXT_READ] = 0x18, |
| [PWRAP_CSLEXT_START] = 0x1c, |
| [PWRAP_CSLEXT_END] = 0x20, |
| [PWRAP_STAUPD_PRD] = 0x24, |
| [PWRAP_STAUPD_GRPEN] = 0x28, |
| [PWRAP_STAUPD_MAN_TRIG] = 0x2c, |
| [PWRAP_STAUPD_STA] = 0x30, |
| [PWRAP_EVENT_IN_EN] = 0x34, |
| [PWRAP_EVENT_DST_EN] = 0x38, |
| [PWRAP_WRAP_STA] = 0x3c, |
| [PWRAP_RRARB_INIT] = 0x40, |
| [PWRAP_RRARB_EN] = 0x44, |
| [PWRAP_RRARB_STA0] = 0x48, |
| [PWRAP_RRARB_STA1] = 0x4c, |
| [PWRAP_HARB_INIT] = 0x50, |
| [PWRAP_HARB_HPRIO] = 0x54, |
| [PWRAP_HIPRIO_ARB_EN] = 0x58, |
| [PWRAP_HARB_STA0] = 0x5c, |
| [PWRAP_HARB_STA1] = 0x60, |
| [PWRAP_MAN_EN] = 0x64, |
| [PWRAP_MAN_CMD] = 0x68, |
| [PWRAP_MAN_RDATA] = 0x6c, |
| [PWRAP_MAN_VLDCLR] = 0x70, |
| [PWRAP_WACS0_EN] = 0x74, |
| [PWRAP_INIT_DONE0] = 0x78, |
| [PWRAP_WACS0_CMD] = 0x7c, |
| [PWRAP_WACS0_RDATA] = 0x80, |
| [PWRAP_WACS0_VLDCLR] = 0x84, |
| [PWRAP_WACS1_EN] = 0x88, |
| [PWRAP_INIT_DONE1] = 0x8c, |
| [PWRAP_WACS1_CMD] = 0x90, |
| [PWRAP_WACS1_RDATA] = 0x94, |
| [PWRAP_WACS1_VLDCLR] = 0x98, |
| [PWRAP_WACS2_EN] = 0x9c, |
| [PWRAP_INIT_DONE2] = 0xa0, |
| [PWRAP_WACS2_CMD] = 0xa4, |
| [PWRAP_WACS2_RDATA] = 0xa8, |
| [PWRAP_WACS2_VLDCLR] = 0xac, |
| [PWRAP_INT_EN] = 0xb0, |
| [PWRAP_INT_FLG_RAW] = 0xb4, |
| [PWRAP_INT_FLG] = 0xb8, |
| [PWRAP_INT_CLR] = 0xbc, |
| [PWRAP_SIG_ADR] = 0xc0, |
| [PWRAP_SIG_MODE] = 0xc4, |
| [PWRAP_SIG_VALUE] = 0xc8, |
| [PWRAP_SIG_ERRVAL] = 0xcc, |
| [PWRAP_CRC_EN] = 0xd0, |
| [PWRAP_EVENT_STA] = 0xd4, |
| [PWRAP_EVENT_STACLR] = 0xd8, |
| [PWRAP_TIMER_EN] = 0xdc, |
| [PWRAP_TIMER_STA] = 0xe0, |
| [PWRAP_WDT_UNIT] = 0xe4, |
| [PWRAP_WDT_SRC_EN] = 0xe8, |
| [PWRAP_WDT_FLG] = 0xec, |
| [PWRAP_DEBUG_INT_SEL] = 0xf0, |
| [PWRAP_CIPHER_KEY_SEL] = 0x134, |
| [PWRAP_CIPHER_IV_SEL] = 0x138, |
| [PWRAP_CIPHER_LOAD] = 0x13c, |
| [PWRAP_CIPHER_START] = 0x140, |
| [PWRAP_CIPHER_RDY] = 0x144, |
| [PWRAP_CIPHER_MODE] = 0x148, |
| [PWRAP_CIPHER_SWRST] = 0x14c, |
| [PWRAP_DCM_EN] = 0x15c, |
| [PWRAP_DCM_DBC_PRD] = 0x160, |
| }; |
| |
| enum pmic_type { |
| PMIC_MT6323, |
| PMIC_MT6351, |
| PMIC_MT6359, |
| PMIC_MT6380, |
| PMIC_MT6397, |
| }; |
| |
| enum pwrap_type { |
| PWRAP_MT2701, |
| PWRAP_MT6779, |
| PWRAP_MT6797, |
| PWRAP_MT7622, |
| PWRAP_MT8135, |
| PWRAP_MT8173, |
| }; |
| |
| struct pmic_wrapper; |
| struct pwrap_slv_type { |
| const u32 *dew_regs; |
| enum pmic_type type; |
| const struct regmap_config *regmap; |
| /* Flags indicating the capability for the target slave */ |
| u32 caps; |
| /* |
| * pwrap operations are highly associated with the PMIC types, |
| * so the pointers added increases flexibility allowing determination |
| * which type is used by the detection through device tree. |
| */ |
| int (*pwrap_read)(struct pmic_wrapper *wrp, u32 adr, u32 *rdata); |
| int (*pwrap_write)(struct pmic_wrapper *wrp, u32 adr, u32 wdata); |
| }; |
| |
| struct pmic_wrapper { |
| struct device *dev; |
| void __iomem *base; |
| struct regmap *regmap; |
| const struct pmic_wrapper_type *master; |
| const struct pwrap_slv_type *slave; |
| struct clk *clk_spi; |
| struct clk *clk_wrap; |
| struct clk *clk_ulposc; |
| struct reset_control *rstc; |
| |
| struct reset_control *rstc_bridge; |
| void __iomem *bridge_base; |
| }; |
| |
| struct pmic_wrapper_type { |
| int *regs; |
| enum pwrap_type type; |
| u32 arb_en_all; |
| u32 int_en_all; |
| u32 int1_en_all; |
| u32 spi_w; |
| u32 wdt_src; |
| u32 caps; |
| unsigned int has_bridge:1; |
| int slv_switch:1; |
| int (*init_reg_clock)(struct pmic_wrapper *wrp); |
| int (*init_soc_specific)(struct pmic_wrapper *wrp); |
| }; |
| |
| static u32 pwrap_readl(struct pmic_wrapper *wrp, enum pwrap_regs reg); |
| static void pwrap_writel(struct pmic_wrapper *wrp, u32 val, |
| enum pwrap_regs reg); |
| static int pwrap_read(struct pmic_wrapper *wrp, u32 adr, u32 *rdata); |
| static int pwrap_write(struct pmic_wrapper *wrp, u32 adr, u32 wdata); |
| |
| static u32 pwrap_readl(struct pmic_wrapper *wrp, enum pwrap_regs reg) |
| { |
| return readl(wrp->base + wrp->master->regs[reg]); |
| } |
| |
| static void pwrap_writel(struct pmic_wrapper *wrp, u32 val, enum pwrap_regs reg) |
| { |
| writel(val, wrp->base + wrp->master->regs[reg]); |
| } |
| |
| static bool pwrap_is_fsm_idle(struct pmic_wrapper *wrp) |
| { |
| u32 val = pwrap_readl(wrp, PWRAP_WACS2_RDATA); |
| |
| return PWRAP_GET_WACS_FSM(val) == PWRAP_WACS_FSM_IDLE; |
| } |
| |
| static bool pwrap_is_fsm_vldclr(struct pmic_wrapper *wrp) |
| { |
| u32 val = pwrap_readl(wrp, PWRAP_WACS2_RDATA); |
| |
| return PWRAP_GET_WACS_FSM(val) == PWRAP_WACS_FSM_WFVLDCLR; |
| } |
| |
| /* |
| * Timeout issue sometimes caused by the last read command |
| * failed because pmic wrap could not got the FSM_VLDCLR |
| * in time after finishing WACS2_CMD. It made state machine |
| * still on FSM_VLDCLR and timeout next time. |
| * Check the status of FSM and clear the vldclr to recovery the |
| * error. |
| */ |
| static inline void pwrap_leave_fsm_vldclr(struct pmic_wrapper *wrp) |
| { |
| if (pwrap_is_fsm_vldclr(wrp)) |
| pwrap_writel(wrp, 1, PWRAP_WACS2_VLDCLR); |
| } |
| |
| static bool pwrap_is_sync_idle(struct pmic_wrapper *wrp) |
| { |
| return pwrap_readl(wrp, PWRAP_WACS2_RDATA) & PWRAP_STATE_SYNC_IDLE0; |
| } |
| |
| static bool pwrap_is_fsm_idle_and_sync_idle(struct pmic_wrapper *wrp) |
| { |
| u32 val = pwrap_readl(wrp, PWRAP_WACS2_RDATA); |
| |
| return (PWRAP_GET_WACS_FSM(val) == PWRAP_WACS_FSM_IDLE) && |
| (val & PWRAP_STATE_SYNC_IDLE0); |
| } |
| |
| static int pwrap_timeout_ns(unsigned long long start_time_ns, |
| unsigned long long timeout_time_ns, struct pmic_wrapper *wrp) |
| { |
| unsigned long long cur_time; |
| unsigned long long elapse_time; |
| |
| /* get current tick */ |
| cur_time = sched_clock(); /* ns */ |
| |
| elapse_time = cur_time - start_time_ns; |
| |
| /* check if timeout */ |
| if (timeout_time_ns <= elapse_time) { |
| dev_dbg(wrp->dev, |
| "[PWRAP] Timeout start time: %lld\n", start_time_ns); |
| dev_dbg(wrp->dev, |
| "[PWRAP] Timeout cur time: %lld\n", cur_time); |
| dev_dbg(wrp->dev, |
| "[PWRAP] Timeout elapse time: %lld\n", elapse_time); |
| dev_dbg(wrp->dev, |
| "[PWRAP] Timeout set timeout: %lld\n", timeout_time_ns); |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int pwrap_wait_for_state(struct pmic_wrapper *wrp, |
| bool (*fp)(struct pmic_wrapper *)) |
| { |
| unsigned long long start_time_ns, timeout_ns; |
| |
| start_time_ns = sched_clock(); |
| timeout_ns = 10000 * 1000; /* 10000us */ |
| |
| do { |
| if (fp(wrp)) |
| return 0; |
| if (pwrap_timeout_ns(start_time_ns, timeout_ns, wrp)) { |
| if (fp(wrp) == 0) { |
| dev_dbg(wrp->dev, "[PWRAP] FSM Timeout\n"); |
| return -ETIMEDOUT; |
| } |
| } |
| |
| } while (1); |
| } |
| |
| static int pwrap_read16(struct pmic_wrapper *wrp, u32 adr, u32 *rdata) |
| { |
| int ret; |
| |
| ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle); |
| if (ret) { |
| pwrap_leave_fsm_vldclr(wrp); |
| return ret; |
| } |
| |
| pwrap_writel(wrp, (adr >> 1) << 16, PWRAP_WACS2_CMD); |
| |
| ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_vldclr); |
| if (ret) |
| return ret; |
| |
| *rdata = PWRAP_GET_WACS_RDATA(pwrap_readl(wrp, PWRAP_WACS2_RDATA)); |
| |
| pwrap_writel(wrp, 1, PWRAP_WACS2_VLDCLR); |
| |
| return 0; |
| } |
| |
| static int pwrap_read32(struct pmic_wrapper *wrp, u32 adr, u32 *rdata) |
| { |
| int ret, msb; |
| |
| *rdata = 0; |
| for (msb = 0; msb < 2; msb++) { |
| ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle); |
| if (ret) { |
| pwrap_leave_fsm_vldclr(wrp); |
| return ret; |
| } |
| |
| pwrap_writel(wrp, ((msb << 30) | (adr << 16)), |
| PWRAP_WACS2_CMD); |
| |
| ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_vldclr); |
| if (ret) |
| return ret; |
| |
| *rdata += (PWRAP_GET_WACS_RDATA(pwrap_readl(wrp, |
| PWRAP_WACS2_RDATA)) << (16 * msb)); |
| |
| pwrap_writel(wrp, 1, PWRAP_WACS2_VLDCLR); |
| } |
| |
| return 0; |
| } |
| |
| static int pwrap_read(struct pmic_wrapper *wrp, u32 adr, u32 *rdata) |
| { |
| return wrp->slave->pwrap_read(wrp, adr, rdata); |
| } |
| |
| static int pwrap_write16(struct pmic_wrapper *wrp, u32 adr, u32 wdata) |
| { |
| int ret; |
| |
| ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle); |
| if (ret) { |
| pwrap_leave_fsm_vldclr(wrp); |
| return ret; |
| } |
| |
| pwrap_writel(wrp, (1 << 31) | ((adr >> 1) << 16) | wdata, |
| PWRAP_WACS2_CMD); |
| |
| return 0; |
| } |
| |
| static int pwrap_write32(struct pmic_wrapper *wrp, u32 adr, u32 wdata) |
| { |
| int ret, msb, rdata; |
| |
| for (msb = 0; msb < 2; msb++) { |
| ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle); |
| if (ret) { |
| pwrap_leave_fsm_vldclr(wrp); |
| return ret; |
| } |
| |
| pwrap_writel(wrp, (1 << 31) | (msb << 30) | (adr << 16) | |
| ((wdata >> (msb * 16)) & 0xffff), |
| PWRAP_WACS2_CMD); |
| |
| /* |
| * The pwrap_read operation is the requirement of hardware used |
| * for the synchronization between two successive 16-bit |
| * pwrap_writel operations composing one 32-bit bus writing. |
| * Otherwise, we'll find the result fails on the lower 16-bit |
| * pwrap writing. |
| */ |
| if (!msb) |
| pwrap_read(wrp, adr, &rdata); |
| } |
| |
| return 0; |
| } |
| |
| static int pwrap_write(struct pmic_wrapper *wrp, u32 adr, u32 wdata) |
| { |
| return wrp->slave->pwrap_write(wrp, adr, wdata); |
| } |
| |
| static int pwrap_regmap_read(void *context, u32 adr, u32 *rdata) |
| { |
| return pwrap_read(context, adr, rdata); |
| } |
| |
| static int pwrap_regmap_write(void *context, u32 adr, u32 wdata) |
| { |
| return pwrap_write(context, adr, wdata); |
| } |
| |
| static int pwrap_reset_spislave(struct pmic_wrapper *wrp) |
| { |
| int ret, i; |
| |
| pwrap_writel(wrp, 0, PWRAP_HIPRIO_ARB_EN); |
| pwrap_writel(wrp, 0, PWRAP_WRAP_EN); |
| pwrap_writel(wrp, 1, PWRAP_MUX_SEL); |
| pwrap_writel(wrp, 1, PWRAP_MAN_EN); |
| pwrap_writel(wrp, 0, PWRAP_DIO_EN); |
| |
| pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_CSL, |
| PWRAP_MAN_CMD); |
| pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_OUTS, |
| PWRAP_MAN_CMD); |
| pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_CSH, |
| PWRAP_MAN_CMD); |
| |
| for (i = 0; i < 4; i++) |
| pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_OUTS, |
| PWRAP_MAN_CMD); |
| |
| ret = pwrap_wait_for_state(wrp, pwrap_is_sync_idle); |
| if (ret) { |
| dev_err(wrp->dev, "%s fail, ret=%d\n", __func__, ret); |
| return ret; |
| } |
| |
| pwrap_writel(wrp, 0, PWRAP_MAN_EN); |
| pwrap_writel(wrp, 0, PWRAP_MUX_SEL); |
| |
| return 0; |
| } |
| |
| /* |
| * pwrap_init_sidly - configure serial input delay |
| * |
| * This configures the serial input delay. We can configure 0, 2, 4 or 6ns |
| * delay. Do a read test with all possible values and chose the best delay. |
| */ |
| static int pwrap_init_sidly(struct pmic_wrapper *wrp) |
| { |
| u32 i; |
| u32 pass = 0, rdata = 0; |
| signed char dly[16] = { |
| -1, 0, 1, 0, 2, -1, 1, 1, 3, -1, -1, -1, 3, -1, 2, 1 |
| }; |
| |
| for (i = 0; i < 4; i++) { |
| pwrap_writel(wrp, i, PWRAP_SIDLY); |
| pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_READ_TEST], |
| &rdata); |
| if (rdata == PWRAP_DEW_READ_TEST_VAL) { |
| dev_dbg(wrp->dev, "[Read Test] pass, SIDLY=%x\n", i); |
| pass |= 1 << i; |
| } |
| } |
| |
| if (dly[pass] < 0) { |
| dev_err(wrp->dev, "sidly pass range 0x%x not continuous\n", |
| pass); |
| return -EIO; |
| } |
| |
| pwrap_writel(wrp, dly[pass], PWRAP_SIDLY); |
| |
| return 0; |
| } |
| |
| static int pwrap_init_dual_io(struct pmic_wrapper *wrp) |
| { |
| int ret; |
| u32 rdata = 0; |
| |
| /* Enable dual IO mode */ |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_DIO_EN], 1); |
| |
| /* Check IDLE & INIT_DONE in advance */ |
| ret = pwrap_wait_for_state(wrp, |
| pwrap_is_fsm_idle_and_sync_idle); |
| if (ret) { |
| dev_err(wrp->dev, "%s fail, ret=%d\n", __func__, ret); |
| return ret; |
| } |
| |
| pwrap_writel(wrp, 1, PWRAP_DIO_EN); |
| |
| /* Read Test */ |
| pwrap_read(wrp, |
| wrp->slave->dew_regs[PWRAP_DEW_READ_TEST], &rdata); |
| if (rdata != PWRAP_DEW_READ_TEST_VAL) { |
| dev_err(wrp->dev, |
| "Read failed on DIO mode: 0x%04x!=0x%04x\n", |
| PWRAP_DEW_READ_TEST_VAL, rdata); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * pwrap_init_chip_select_ext is used to configure CS extension time for each |
| * phase during data transactions on the pwrap bus. |
| */ |
| static void pwrap_init_chip_select_ext(struct pmic_wrapper *wrp, u8 hext_write, |
| u8 hext_read, u8 lext_start, |
| u8 lext_end) |
| { |
| /* |
| * After finishing a write and read transaction, extends CS high time |
| * to be at least xT of BUS CLK as hext_write and hext_read specifies |
| * respectively. |
| */ |
| pwrap_writel(wrp, hext_write, PWRAP_CSHEXT_WRITE); |
| pwrap_writel(wrp, hext_read, PWRAP_CSHEXT_READ); |
| |
| /* |
| * Extends CS low time after CSL and before CSH command to be at |
| * least xT of BUS CLK as lext_start and lext_end specifies |
| * respectively. |
| */ |
| pwrap_writel(wrp, lext_start, PWRAP_CSLEXT_START); |
| pwrap_writel(wrp, lext_end, PWRAP_CSLEXT_END); |
| } |
| |
| static int pwrap_common_init_reg_clock(struct pmic_wrapper *wrp) |
| { |
| switch (wrp->master->type) { |
| case PWRAP_MT6779: |
| pwrap_writel(wrp, 0x8, PWRAP_RDDMY); |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_RDDMY_NO], 0x8); |
| pwrap_init_chip_select_ext(wrp, 0x88, 0x55, 3, 0); |
| break; |
| case PWRAP_MT8173: |
| pwrap_init_chip_select_ext(wrp, 0, 4, 2, 2); |
| break; |
| case PWRAP_MT8135: |
| pwrap_writel(wrp, 0x4, PWRAP_CSHEXT); |
| pwrap_init_chip_select_ext(wrp, 0, 4, 0, 0); |
| break; |
| default: |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static int pwrap_mt2701_init_reg_clock(struct pmic_wrapper *wrp) |
| { |
| switch (wrp->slave->type) { |
| case PMIC_MT6397: |
| pwrap_writel(wrp, 0xc, PWRAP_RDDMY); |
| pwrap_init_chip_select_ext(wrp, 4, 0, 2, 2); |
| break; |
| |
| case PMIC_MT6323: |
| pwrap_writel(wrp, 0x8, PWRAP_RDDMY); |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_RDDMY_NO], 0x8); |
| pwrap_init_chip_select_ext(wrp, 5, 0, 2, 2); |
| break; |
| default: |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static bool pwrap_is_cipher_ready(struct pmic_wrapper *wrp) |
| { |
| return pwrap_readl(wrp, PWRAP_CIPHER_RDY) & 1; |
| } |
| |
| static bool pwrap_is_pmic_cipher_ready(struct pmic_wrapper *wrp) |
| { |
| int ret; |
| u32 rdata = 0; |
| |
| ret = pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_RDY], |
| &rdata); |
| if (ret) |
| return 0; |
| |
| return rdata == 1; |
| } |
| |
| static int pwrap_init_cipher(struct pmic_wrapper *wrp) |
| { |
| int ret; |
| u32 rdata = 0; |
| |
| pwrap_writel(wrp, 0x1, PWRAP_CIPHER_SWRST); |
| pwrap_writel(wrp, 0x0, PWRAP_CIPHER_SWRST); |
| pwrap_writel(wrp, 0x1, PWRAP_CIPHER_KEY_SEL); |
| pwrap_writel(wrp, 0x2, PWRAP_CIPHER_IV_SEL); |
| |
| switch (wrp->master->type) { |
| case PWRAP_MT8135: |
| pwrap_writel(wrp, 1, PWRAP_CIPHER_LOAD); |
| pwrap_writel(wrp, 1, PWRAP_CIPHER_START); |
| break; |
| case PWRAP_MT2701: |
| case PWRAP_MT6779: |
| case PWRAP_MT6797: |
| case PWRAP_MT8173: |
| pwrap_writel(wrp, 1, PWRAP_CIPHER_EN); |
| break; |
| case PWRAP_MT7622: |
| pwrap_writel(wrp, 0, PWRAP_CIPHER_EN); |
| break; |
| default: |
| break; |
| } |
| |
| /* Config cipher mode @PMIC */ |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_SWRST], 0x1); |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_SWRST], 0x0); |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_KEY_SEL], 0x1); |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_IV_SEL], 0x2); |
| |
| switch (wrp->slave->type) { |
| case PMIC_MT6397: |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD], |
| 0x1); |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START], |
| 0x1); |
| break; |
| case PMIC_MT6323: |
| case PMIC_MT6351: |
| case PMIC_MT6359: |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_EN], |
| 0x1); |
| break; |
| default: |
| break; |
| } |
| |
| /* wait for cipher data ready@AP */ |
| ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready); |
| if (ret) { |
| dev_err(wrp->dev, "cipher data ready@AP fail, ret=%d\n", ret); |
| return ret; |
| } |
| |
| /* wait for cipher data ready@PMIC */ |
| ret = pwrap_wait_for_state(wrp, pwrap_is_pmic_cipher_ready); |
| if (ret) { |
| dev_err(wrp->dev, |
| "timeout waiting for cipher data ready@PMIC\n"); |
| return ret; |
| } |
| |
| /* wait for cipher mode idle */ |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_MODE], 0x1); |
| ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle_and_sync_idle); |
| if (ret) { |
| dev_err(wrp->dev, "cipher mode idle fail, ret=%d\n", ret); |
| return ret; |
| } |
| |
| pwrap_writel(wrp, 1, PWRAP_CIPHER_MODE); |
| |
| /* Write Test */ |
| if (pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_WRITE_TEST], |
| PWRAP_DEW_WRITE_TEST_VAL) || |
| pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_WRITE_TEST], |
| &rdata) || |
| (rdata != PWRAP_DEW_WRITE_TEST_VAL)) { |
| dev_err(wrp->dev, "rdata=0x%04X\n", rdata); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| static int pwrap_init_security(struct pmic_wrapper *wrp) |
| { |
| int ret; |
| |
| /* Enable encryption */ |
| ret = pwrap_init_cipher(wrp); |
| if (ret) |
| return ret; |
| |
| /* Signature checking - using CRC */ |
| if (pwrap_write(wrp, |
| wrp->slave->dew_regs[PWRAP_DEW_CRC_EN], 0x1)) |
| return -EFAULT; |
| |
| pwrap_writel(wrp, 0x1, PWRAP_CRC_EN); |
| pwrap_writel(wrp, 0x0, PWRAP_SIG_MODE); |
| pwrap_writel(wrp, wrp->slave->dew_regs[PWRAP_DEW_CRC_VAL], |
| PWRAP_SIG_ADR); |
| pwrap_writel(wrp, wrp->master->arb_en_all, PWRAP_HIPRIO_ARB_EN); |
| |
| return 0; |
| } |
| |
| static int pwrap_mt8135_init_soc_specific(struct pmic_wrapper *wrp) |
| { |
| /* enable pwrap events and pwrap bridge in AP side */ |
| pwrap_writel(wrp, 0x1, PWRAP_EVENT_IN_EN); |
| pwrap_writel(wrp, 0xffff, PWRAP_EVENT_DST_EN); |
| writel(0x7f, wrp->bridge_base + PWRAP_MT8135_BRIDGE_IORD_ARB_EN); |
| writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS3_EN); |
| writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS4_EN); |
| writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_UNIT); |
| writel(0xffff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_SRC_EN); |
| writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_TIMER_EN); |
| writel(0x7ff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INT_EN); |
| |
| /* enable PMIC event out and sources */ |
| if (pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_OUT_EN], |
| 0x1) || |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_SRC_EN], |
| 0xffff)) { |
| dev_err(wrp->dev, "enable dewrap fail\n"); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| static int pwrap_mt8173_init_soc_specific(struct pmic_wrapper *wrp) |
| { |
| /* PMIC_DEWRAP enables */ |
| if (pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_OUT_EN], |
| 0x1) || |
| pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_SRC_EN], |
| 0xffff)) { |
| dev_err(wrp->dev, "enable dewrap fail\n"); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| static int pwrap_mt2701_init_soc_specific(struct pmic_wrapper *wrp) |
| { |
| /* GPS_INTF initialization */ |
| switch (wrp->slave->type) { |
| case PMIC_MT6323: |
| pwrap_writel(wrp, 0x076c, PWRAP_ADC_CMD_ADDR); |
| pwrap_writel(wrp, 0x8000, PWRAP_PWRAP_ADC_CMD); |
| pwrap_writel(wrp, 0x072c, PWRAP_ADC_RDY_ADDR); |
| pwrap_writel(wrp, 0x072e, PWRAP_ADC_RDATA_ADDR1); |
| pwrap_writel(wrp, 0x0730, PWRAP_ADC_RDATA_ADDR2); |
| break; |
| default: |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static int pwrap_mt7622_init_soc_specific(struct pmic_wrapper *wrp) |
| { |
| pwrap_writel(wrp, 0, PWRAP_STAUPD_PRD); |
| /* enable 2wire SPI master */ |
| pwrap_writel(wrp, 0x8000000, PWRAP_SPI2_CTRL); |
| |
| return 0; |
| } |
| |
| static int pwrap_init(struct pmic_wrapper *wrp) |
| { |
| int ret; |
| |
| reset_control_reset(wrp->rstc); |
| if (wrp->rstc_bridge) |
| reset_control_reset(wrp->rstc_bridge); |
| |
| if (wrp->master->type == PWRAP_MT8173) { |
| /* Enable DCM */ |
| pwrap_writel(wrp, 3, PWRAP_DCM_EN); |
| pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD); |
| } |
| |
| if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_SPI)) { |
| /* Reset SPI slave */ |
| ret = pwrap_reset_spislave(wrp); |
| if (ret) |
| return ret; |
| } |
| |
| pwrap_writel(wrp, 1, PWRAP_WRAP_EN); |
| |
| pwrap_writel(wrp, wrp->master->arb_en_all, PWRAP_HIPRIO_ARB_EN); |
| |
| pwrap_writel(wrp, 1, PWRAP_WACS2_EN); |
| |
| ret = wrp->master->init_reg_clock(wrp); |
| if (ret) |
| return ret; |
| |
| if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_SPI)) { |
| /* Setup serial input delay */ |
| ret = pwrap_init_sidly(wrp); |
| if (ret) |
| return ret; |
| } |
| |
| if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_DUALIO)) { |
| /* Enable dual I/O mode */ |
| ret = pwrap_init_dual_io(wrp); |
| if (ret) |
| return ret; |
| } |
| |
| if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_SECURITY)) { |
| /* Enable security on bus */ |
| ret = pwrap_init_security(wrp); |
| if (ret) |
| return ret; |
| } |
| |
| if (wrp->master->type == PWRAP_MT8135) |
| pwrap_writel(wrp, 0x7, PWRAP_RRARB_EN); |
| |
| pwrap_writel(wrp, 0x1, PWRAP_WACS0_EN); |
| pwrap_writel(wrp, 0x1, PWRAP_WACS1_EN); |
| pwrap_writel(wrp, 0x1, PWRAP_WACS2_EN); |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_MONITOR_V2)) |
| pwrap_writel(wrp, 0x1, PWRAP_WACS3_EN); |
| |
| pwrap_writel(wrp, 0x5, PWRAP_STAUPD_PRD); |
| pwrap_writel(wrp, 0xff, PWRAP_STAUPD_GRPEN); |
| |
| if (wrp->master->init_soc_specific) { |
| ret = wrp->master->init_soc_specific(wrp); |
| if (ret) |
| return ret; |
| } |
| |
| /* Setup the init done registers */ |
| pwrap_writel(wrp, 1, PWRAP_INIT_DONE0); |
| pwrap_writel(wrp, 1, PWRAP_INIT_DONE1); |
| pwrap_writel(wrp, 1, PWRAP_INIT_DONE2); |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_MONITOR_V2)) |
| pwrap_writel(wrp, 1, PWRAP_INIT_DONE3); |
| |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_BRIDGE)) { |
| writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE3); |
| writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE4); |
| } |
| |
| return 0; |
| } |
| |
| static irqreturn_t pwrap_interrupt(int irqno, void *dev_id) |
| { |
| u32 rdata, int0_flg, int1_flg; |
| struct pmic_wrapper *wrp = dev_id; |
| |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_INT1_EN)) { |
| int0_flg = pwrap_readl(wrp, PWRAP_INT0_FLG); |
| if (int0_flg) { |
| dev_notice(wrp->dev, |
| "[PWRAP] INT0 error:0x%x\n", int0_flg); |
| pwrap_writel(wrp, int0_flg, PWRAP_INT0_CLR); |
| } |
| int1_flg = pwrap_readl(wrp, PWRAP_INT1_FLG); |
| if (int1_flg) { |
| dev_notice(wrp->dev, |
| "[PWRAP] INT1 error:0x%x\n", int1_flg); |
| pwrap_writel(wrp, int1_flg, PWRAP_INT1_CLR); |
| } |
| } else { |
| rdata = pwrap_readl(wrp, PWRAP_INT_FLG); |
| dev_err(wrp->dev, "unexpected interrupt int=0x%x\n", rdata); |
| pwrap_writel(wrp, 0xffffffff, PWRAP_INT_CLR); |
| } |
| |
| return IRQ_HANDLED; |
| } |
| |
| static const struct regmap_config pwrap_regmap_config16 = { |
| .reg_bits = 16, |
| .val_bits = 16, |
| .reg_stride = 2, |
| .reg_read = pwrap_regmap_read, |
| .reg_write = pwrap_regmap_write, |
| .max_register = 0xffff, |
| }; |
| |
| static const struct regmap_config pwrap_regmap_config32 = { |
| .reg_bits = 32, |
| .val_bits = 32, |
| .reg_stride = 4, |
| .reg_read = pwrap_regmap_read, |
| .reg_write = pwrap_regmap_write, |
| .max_register = 0xffff, |
| }; |
| |
| static const struct pwrap_slv_type pmic_mt6323 = { |
| .dew_regs = mt6323_regs, |
| .type = PMIC_MT6323, |
| .regmap = &pwrap_regmap_config16, |
| .caps = PWRAP_SLV_CAP_SPI | PWRAP_SLV_CAP_DUALIO | |
| PWRAP_SLV_CAP_SECURITY, |
| .pwrap_read = pwrap_read16, |
| .pwrap_write = pwrap_write16, |
| }; |
| |
| static const struct pwrap_slv_type pmic_mt6380 = { |
| .dew_regs = NULL, |
| .type = PMIC_MT6380, |
| .regmap = &pwrap_regmap_config32, |
| .caps = 0, |
| .pwrap_read = pwrap_read32, |
| .pwrap_write = pwrap_write32, |
| }; |
| |
| static const struct pwrap_slv_type pmic_mt6397 = { |
| .dew_regs = mt6397_regs, |
| .type = PMIC_MT6397, |
| .regmap = &pwrap_regmap_config16, |
| .caps = PWRAP_SLV_CAP_SPI | PWRAP_SLV_CAP_DUALIO | |
| PWRAP_SLV_CAP_SECURITY, |
| .pwrap_read = pwrap_read16, |
| .pwrap_write = pwrap_write16, |
| }; |
| |
| static const struct pwrap_slv_type pmic_mt6351 = { |
| .dew_regs = mt6351_regs, |
| .type = PMIC_MT6351, |
| .regmap = &pwrap_regmap_config16, |
| .caps = 0, |
| .pwrap_read = pwrap_read16, |
| .pwrap_write = pwrap_write16, |
| }; |
| |
| static const struct pwrap_slv_type pmic_mt6359 = { |
| .dew_regs = mt6359_regs, |
| .type = PMIC_MT6359, |
| .regmap = &pwrap_regmap_config16, |
| .caps = 0, |
| .pwrap_read = pwrap_read16, |
| .pwrap_write = pwrap_write16, |
| }; |
| |
| static const struct of_device_id of_slave_match_tbl[] = { |
| { |
| .compatible = "mediatek,mt6323", |
| .data = &pmic_mt6323, |
| }, { |
| /* The MT6380 PMIC only implements a regulator, so we bind it |
| * directly instead of using a MFD. |
| */ |
| .compatible = "mediatek,mt6380-regulator", |
| .data = &pmic_mt6380, |
| }, { |
| .compatible = "mediatek,mt6397", |
| .data = &pmic_mt6397, |
| }, { |
| .compatible = "mediatek,mt6351", |
| .data = &pmic_mt6351, |
| }, { |
| .compatible = "mediatek,mt6359", |
| .data = &pmic_mt6359, |
| }, { |
| /* sentinel */ |
| } |
| }; |
| MODULE_DEVICE_TABLE(of, of_slave_match_tbl); |
| |
| static const struct pmic_wrapper_type pwrap_mt2701 = { |
| .regs = mt2701_regs, |
| .type = PWRAP_MT2701, |
| .arb_en_all = 0x3f, |
| .int_en_all = ~(u32)(BIT(31) | BIT(2)), |
| .spi_w = PWRAP_MAN_CMD_SPI_WRITE_NEW, |
| .wdt_src = PWRAP_WDT_SRC_MASK_ALL, |
| .has_bridge = 0, |
| .caps = PWRAP_CAP_RESET | PWRAP_CAP_DCM, |
| .slv_switch = 1, |
| .init_reg_clock = pwrap_mt2701_init_reg_clock, |
| .init_soc_specific = pwrap_mt2701_init_soc_specific, |
| }; |
| |
| static const struct pmic_wrapper_type pwrap_mt6779 = { |
| .regs = mt6779_regs, |
| .type = PWRAP_MT6779, |
| .arb_en_all = 0xfbb7f, |
| .int_en_all = 0xffffffff, |
| .int1_en_all = 0x000017ff, |
| .spi_w = PWRAP_MAN_CMD_SPI_WRITE, |
| .wdt_src = 0x4000, /* only for MD DVFS HW */ |
| .has_bridge = 0, |
| .caps = PWRAP_CAP_INT1_EN | PWRAP_CAP_MONITOR_V2 | PWRAP_CAP_ULPOSC_CLK, |
| .slv_switch = 0, |
| .init_reg_clock = pwrap_common_init_reg_clock, |
| .init_soc_specific = NULL, |
| }; |
| |
| static const struct pmic_wrapper_type pwrap_mt6797 = { |
| .regs = mt6797_regs, |
| .type = PWRAP_MT6797, |
| .arb_en_all = 0x01fff, |
| .int_en_all = 0xffffffc6, |
| .spi_w = PWRAP_MAN_CMD_SPI_WRITE, |
| .wdt_src = PWRAP_WDT_SRC_MASK_ALL, |
| .has_bridge = 0, |
| .caps = PWRAP_CAP_RESET | PWRAP_CAP_DCM, |
| .init_reg_clock = pwrap_common_init_reg_clock, |
| .init_soc_specific = NULL, |
| }; |
| |
| static const struct pmic_wrapper_type pwrap_mt7622 = { |
| .regs = mt7622_regs, |
| .type = PWRAP_MT7622, |
| .arb_en_all = 0xff, |
| .int_en_all = ~(u32)BIT(31), |
| .spi_w = PWRAP_MAN_CMD_SPI_WRITE, |
| .wdt_src = PWRAP_WDT_SRC_MASK_ALL, |
| .has_bridge = 0, |
| .caps = PWRAP_CAP_RESET | PWRAP_CAP_DCM, |
| .init_reg_clock = pwrap_common_init_reg_clock, |
| .init_soc_specific = pwrap_mt7622_init_soc_specific, |
| }; |
| |
| static const struct pmic_wrapper_type pwrap_mt8135 = { |
| .regs = mt8135_regs, |
| .type = PWRAP_MT8135, |
| .arb_en_all = 0x1ff, |
| .int_en_all = ~(u32)(BIT(31) | BIT(1)), |
| .spi_w = PWRAP_MAN_CMD_SPI_WRITE, |
| .wdt_src = PWRAP_WDT_SRC_MASK_ALL, |
| .has_bridge = 1, |
| .caps = PWRAP_CAP_BRIDGE | PWRAP_CAP_RESET | PWRAP_CAP_DCM, |
| .slv_switch = 0, |
| .init_reg_clock = pwrap_common_init_reg_clock, |
| .init_soc_specific = pwrap_mt8135_init_soc_specific, |
| }; |
| |
| static const struct pmic_wrapper_type pwrap_mt8173 = { |
| .regs = mt8173_regs, |
| .type = PWRAP_MT8173, |
| .arb_en_all = 0x3f, |
| .int_en_all = ~(u32)(BIT(31) | BIT(1)), |
| .spi_w = PWRAP_MAN_CMD_SPI_WRITE, |
| .wdt_src = PWRAP_WDT_SRC_MASK_NO_STAUPD, |
| .has_bridge = 0, |
| .caps = PWRAP_CAP_RESET | PWRAP_CAP_DCM, |
| .slv_switch = 0, |
| .init_reg_clock = pwrap_common_init_reg_clock, |
| .init_soc_specific = pwrap_mt8173_init_soc_specific, |
| }; |
| |
| static const struct of_device_id of_pwrap_match_tbl[] = { |
| { |
| .compatible = "mediatek,mt2701-pwrap", |
| .data = &pwrap_mt2701, |
| }, { |
| .compatible = "mediatek,mt6779-pwrap", |
| .data = &pwrap_mt6779, |
| }, { |
| .compatible = "mediatek,mt6797-pwrap", |
| .data = &pwrap_mt6797, |
| }, { |
| .compatible = "mediatek,mt7622-pwrap", |
| .data = &pwrap_mt7622, |
| }, { |
| .compatible = "mediatek,mt8135-pwrap", |
| .data = &pwrap_mt8135, |
| }, { |
| .compatible = "mediatek,mt8173-pwrap", |
| .data = &pwrap_mt8173, |
| }, { |
| /* sentinel */ |
| } |
| }; |
| MODULE_DEVICE_TABLE(of, of_pwrap_match_tbl); |
| |
| static int pwrap_probe(struct platform_device *pdev) |
| { |
| int ret, irq; |
| u32 rdata; |
| struct pmic_wrapper *wrp; |
| struct device_node *np = pdev->dev.of_node; |
| const struct of_device_id *of_slave_id = NULL; |
| struct resource *res; |
| |
| if (np->child) |
| of_slave_id = of_match_node(of_slave_match_tbl, np->child); |
| |
| if (!of_slave_id) { |
| dev_dbg(&pdev->dev, "slave pmic should be defined in dts\n"); |
| return -EINVAL; |
| } |
| |
| wrp = devm_kzalloc(&pdev->dev, sizeof(*wrp), GFP_KERNEL); |
| if (!wrp) |
| return -ENOMEM; |
| |
| platform_set_drvdata(pdev, wrp); |
| |
| wrp->master = of_device_get_match_data(&pdev->dev); |
| wrp->slave = of_slave_id->data; |
| wrp->dev = &pdev->dev; |
| |
| res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pwrap"); |
| wrp->base = devm_ioremap_resource(wrp->dev, res); |
| if (IS_ERR(wrp->base)) |
| return PTR_ERR(wrp->base); |
| |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_RESET)) { |
| wrp->rstc = devm_reset_control_get(wrp->dev, "pwrap"); |
| if (IS_ERR(wrp->rstc)) { |
| ret = PTR_ERR(wrp->rstc); |
| dev_dbg(wrp->dev, |
| "cannot get pwrap reset: %d\n", ret); |
| return ret; |
| } |
| } |
| |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_BRIDGE)) { |
| res = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| "pwrap-bridge"); |
| wrp->bridge_base = devm_ioremap_resource(wrp->dev, res); |
| if (IS_ERR(wrp->bridge_base)) |
| return PTR_ERR(wrp->bridge_base); |
| |
| wrp->rstc_bridge = devm_reset_control_get(wrp->dev, |
| "pwrap-bridge"); |
| if (IS_ERR(wrp->rstc_bridge)) { |
| ret = PTR_ERR(wrp->rstc_bridge); |
| dev_dbg(wrp->dev, |
| "cannot get pwrap-bridge reset: %d\n", ret); |
| return ret; |
| } |
| } |
| |
| wrp->clk_spi = devm_clk_get(wrp->dev, "spi"); |
| if (IS_ERR(wrp->clk_spi)) { |
| dev_dbg(wrp->dev, "failed to get clock: %ld\n", |
| PTR_ERR(wrp->clk_spi)); |
| return PTR_ERR(wrp->clk_spi); |
| } |
| |
| wrp->clk_wrap = devm_clk_get(wrp->dev, "wrap"); |
| if (IS_ERR(wrp->clk_wrap)) { |
| dev_dbg(wrp->dev, "failed to get clock: %ld\n", |
| PTR_ERR(wrp->clk_wrap)); |
| return PTR_ERR(wrp->clk_wrap); |
| } |
| |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_ULPOSC_CLK)) { |
| wrp->clk_ulposc = devm_clk_get(wrp->dev, "ulposc"); |
| if (IS_ERR(wrp->clk_ulposc)) { |
| dev_dbg(wrp->dev, "failed to get clock: %ld\n", |
| PTR_ERR(wrp->clk_ulposc)); |
| return PTR_ERR(wrp->clk_ulposc); |
| } |
| } |
| |
| ret = clk_prepare_enable(wrp->clk_spi); |
| if (ret) |
| return ret; |
| |
| ret = clk_prepare_enable(wrp->clk_wrap); |
| if (ret) |
| goto err_out1; |
| |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_ULPOSC_CLK)) { |
| ret = clk_prepare_enable(wrp->clk_ulposc); |
| if (ret) |
| goto err_out2; |
| } |
| |
| /* Enable internal dynamic clock */ |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_DCM)) { |
| pwrap_writel(wrp, 1, PWRAP_DCM_EN); |
| pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD); |
| } |
| |
| /* |
| * The PMIC could already be initialized by the bootloader. |
| * Skip initialization here in this case. |
| */ |
| if (!pwrap_readl(wrp, PWRAP_INIT_DONE2)) { |
| ret = pwrap_init(wrp); |
| if (ret) { |
| dev_dbg(wrp->dev, "init failed with %d\n", ret); |
| goto err_out2; |
| } |
| } |
| |
| if (!(pwrap_readl(wrp, PWRAP_WACS2_RDATA) & PWRAP_STATE_INIT_DONE0)) { |
| dev_dbg(wrp->dev, "initialization isn't finished\n"); |
| ret = -ENODEV; |
| goto err_out2; |
| } |
| |
| /* Initialize watchdog, may not be done by the bootloader */ |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_MONITOR_V2)) |
| pwrap_writel(wrp, 0x3f, PWRAP_WDT_CTRL); |
| else |
| pwrap_writel(wrp, 0xf, PWRAP_WDT_UNIT); |
| |
| /* |
| * Since STAUPD was not used on mt8173 platform, |
| * so STAUPD of WDT_SRC which should be turned off |
| */ |
| pwrap_writel(wrp, wrp->master->wdt_src, PWRAP_WDT_SRC_EN); |
| |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_MONITOR_V2)) |
| pwrap_writel(wrp, 0x1, PWRAP_TIMER_CTRL); |
| else |
| pwrap_writel(wrp, 0x1, PWRAP_TIMER_EN); |
| |
| pwrap_writel(wrp, wrp->master->int_en_all, PWRAP_INT_EN); |
| |
| /* |
| * We add INT1 interrupt to handle starvation and request exception |
| * If we support it, we should enable them here. |
| */ |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_INT1_EN)) |
| pwrap_writel(wrp, wrp->master->int1_en_all, PWRAP_INT1_EN); |
| |
| irq = platform_get_irq(pdev, 0); |
| ret = devm_request_irq(wrp->dev, irq, pwrap_interrupt, |
| IRQF_TRIGGER_HIGH, "mt-pmic-pwrap", wrp); |
| if (ret) |
| goto err_out2; |
| |
| wrp->regmap = devm_regmap_init(wrp->dev, NULL, wrp, wrp->slave->regmap); |
| if (IS_ERR(wrp->regmap)) { |
| ret = PTR_ERR(wrp->regmap); |
| goto err_out2; |
| } |
| |
| /* Write Test */ |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_MONITOR_V2)) { |
| if (pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_WRITE_TEST], |
| PWRAP_DEW_WRITE_TEST_VAL) || |
| pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_WRITE_TEST], |
| &rdata) || |
| (rdata != PWRAP_DEW_WRITE_TEST_VAL)) { |
| dev_notice(wrp->dev, |
| "[PWRAP] Write Test fail, rdata=0x%x\n", rdata); |
| goto err_out2; |
| } else { |
| dev_notice(wrp->dev, "[PWRAP] Write Test pass\n"); |
| } |
| } |
| |
| ret = of_platform_populate(np, NULL, NULL, wrp->dev); |
| if (ret) { |
| dev_dbg(wrp->dev, "failed to create child devices at %pOF\n", |
| np); |
| goto err_out2; |
| } |
| |
| return 0; |
| |
| err_out2: |
| if (HAS_CAP(wrp->master->caps, PWRAP_CAP_ULPOSC_CLK)) |
| clk_disable_unprepare(wrp->clk_ulposc); |
| clk_disable_unprepare(wrp->clk_wrap); |
| err_out1: |
| clk_disable_unprepare(wrp->clk_spi); |
| |
| return ret; |
| } |
| |
| static struct platform_driver pwrap_drv = { |
| .driver = { |
| .name = "mt-pmic-pwrap", |
| .of_match_table = of_match_ptr(of_pwrap_match_tbl), |
| }, |
| .probe = pwrap_probe, |
| }; |
| |
| module_platform_driver(pwrap_drv); |
| |
| MODULE_AUTHOR("Flora Fu, MediaTek"); |
| MODULE_DESCRIPTION("MediaTek PMIC Wrapper Driver"); |
| MODULE_LICENSE("GPL v2"); |