| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Core functions for TI TPS65224/TPS6594/TPS6593/LP8764 PMICs |
| * |
| * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/ |
| */ |
| |
| #include <linux/completion.h> |
| #include <linux/delay.h> |
| #include <linux/interrupt.h> |
| #include <linux/module.h> |
| #include <linux/of.h> |
| |
| #include <linux/mfd/core.h> |
| #include <linux/mfd/tps6594.h> |
| |
| #define TPS6594_CRC_SYNC_TIMEOUT_MS 150 |
| |
| /* Completion to synchronize CRC feature enabling on all PMICs */ |
| static DECLARE_COMPLETION(tps6594_crc_comp); |
| |
| static const struct resource tps6594_regulator_resources[] = { |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK1_OV, TPS6594_IRQ_NAME_BUCK1_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK1_UV, TPS6594_IRQ_NAME_BUCK1_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK1_SC, TPS6594_IRQ_NAME_BUCK1_SC), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK1_ILIM, TPS6594_IRQ_NAME_BUCK1_ILIM), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK2_OV, TPS6594_IRQ_NAME_BUCK2_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK2_UV, TPS6594_IRQ_NAME_BUCK2_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK2_SC, TPS6594_IRQ_NAME_BUCK2_SC), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK2_ILIM, TPS6594_IRQ_NAME_BUCK2_ILIM), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK3_OV, TPS6594_IRQ_NAME_BUCK3_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK3_UV, TPS6594_IRQ_NAME_BUCK3_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK3_SC, TPS6594_IRQ_NAME_BUCK3_SC), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK3_ILIM, TPS6594_IRQ_NAME_BUCK3_ILIM), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK4_OV, TPS6594_IRQ_NAME_BUCK4_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK4_UV, TPS6594_IRQ_NAME_BUCK4_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK4_SC, TPS6594_IRQ_NAME_BUCK4_SC), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK4_ILIM, TPS6594_IRQ_NAME_BUCK4_ILIM), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK5_OV, TPS6594_IRQ_NAME_BUCK5_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK5_UV, TPS6594_IRQ_NAME_BUCK5_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK5_SC, TPS6594_IRQ_NAME_BUCK5_SC), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK5_ILIM, TPS6594_IRQ_NAME_BUCK5_ILIM), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO1_OV, TPS6594_IRQ_NAME_LDO1_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO1_UV, TPS6594_IRQ_NAME_LDO1_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO1_SC, TPS6594_IRQ_NAME_LDO1_SC), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO1_ILIM, TPS6594_IRQ_NAME_LDO1_ILIM), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO2_OV, TPS6594_IRQ_NAME_LDO2_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO2_UV, TPS6594_IRQ_NAME_LDO2_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO2_SC, TPS6594_IRQ_NAME_LDO2_SC), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO2_ILIM, TPS6594_IRQ_NAME_LDO2_ILIM), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO3_OV, TPS6594_IRQ_NAME_LDO3_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO3_UV, TPS6594_IRQ_NAME_LDO3_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO3_SC, TPS6594_IRQ_NAME_LDO3_SC), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO3_ILIM, TPS6594_IRQ_NAME_LDO3_ILIM), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO4_OV, TPS6594_IRQ_NAME_LDO4_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO4_UV, TPS6594_IRQ_NAME_LDO4_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO4_SC, TPS6594_IRQ_NAME_LDO4_SC), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO4_ILIM, TPS6594_IRQ_NAME_LDO4_ILIM), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VCCA_OV, TPS6594_IRQ_NAME_VCCA_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VCCA_UV, TPS6594_IRQ_NAME_VCCA_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON1_OV, TPS6594_IRQ_NAME_VMON1_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON1_UV, TPS6594_IRQ_NAME_VMON1_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON1_RV, TPS6594_IRQ_NAME_VMON1_RV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON2_OV, TPS6594_IRQ_NAME_VMON2_OV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON2_UV, TPS6594_IRQ_NAME_VMON2_UV), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON2_RV, TPS6594_IRQ_NAME_VMON2_RV), |
| }; |
| |
| static const struct resource tps6594_pinctrl_resources[] = { |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO9, TPS6594_IRQ_NAME_GPIO9), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO10, TPS6594_IRQ_NAME_GPIO10), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO11, TPS6594_IRQ_NAME_GPIO11), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO1, TPS6594_IRQ_NAME_GPIO1), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO2, TPS6594_IRQ_NAME_GPIO2), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO3, TPS6594_IRQ_NAME_GPIO3), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO4, TPS6594_IRQ_NAME_GPIO4), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO5, TPS6594_IRQ_NAME_GPIO5), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO6, TPS6594_IRQ_NAME_GPIO6), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO7, TPS6594_IRQ_NAME_GPIO7), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO8, TPS6594_IRQ_NAME_GPIO8), |
| }; |
| |
| static const struct resource tps6594_pfsm_resources[] = { |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_NPWRON_START, TPS6594_IRQ_NAME_NPWRON_START), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ENABLE, TPS6594_IRQ_NAME_ENABLE), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_FSD, TPS6594_IRQ_NAME_FSD), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_SOFT_REBOOT, TPS6594_IRQ_NAME_SOFT_REBOOT), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BIST_PASS, TPS6594_IRQ_NAME_BIST_PASS), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_EXT_CLK, TPS6594_IRQ_NAME_EXT_CLK), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_TWARN, TPS6594_IRQ_NAME_TWARN), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_TSD_ORD, TPS6594_IRQ_NAME_TSD_ORD), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BIST_FAIL, TPS6594_IRQ_NAME_BIST_FAIL), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_REG_CRC_ERR, TPS6594_IRQ_NAME_REG_CRC_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_RECOV_CNT, TPS6594_IRQ_NAME_RECOV_CNT), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_SPMI_ERR, TPS6594_IRQ_NAME_SPMI_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_NPWRON_LONG, TPS6594_IRQ_NAME_NPWRON_LONG), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_NINT_READBACK, TPS6594_IRQ_NAME_NINT_READBACK), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_NRSTOUT_READBACK, TPS6594_IRQ_NAME_NRSTOUT_READBACK), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_TSD_IMM, TPS6594_IRQ_NAME_TSD_IMM), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VCCA_OVP, TPS6594_IRQ_NAME_VCCA_OVP), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_PFSM_ERR, TPS6594_IRQ_NAME_PFSM_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_IMM_SHUTDOWN, TPS6594_IRQ_NAME_IMM_SHUTDOWN), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ORD_SHUTDOWN, TPS6594_IRQ_NAME_ORD_SHUTDOWN), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_MCU_PWR_ERR, TPS6594_IRQ_NAME_MCU_PWR_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_SOC_PWR_ERR, TPS6594_IRQ_NAME_SOC_PWR_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_COMM_FRM_ERR, TPS6594_IRQ_NAME_COMM_FRM_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_COMM_CRC_ERR, TPS6594_IRQ_NAME_COMM_CRC_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_COMM_ADR_ERR, TPS6594_IRQ_NAME_COMM_ADR_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_EN_DRV_READBACK, TPS6594_IRQ_NAME_EN_DRV_READBACK), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_NRSTOUT_SOC_READBACK, |
| TPS6594_IRQ_NAME_NRSTOUT_SOC_READBACK), |
| }; |
| |
| static const struct resource tps6594_esm_resources[] = { |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ESM_SOC_PIN, TPS6594_IRQ_NAME_ESM_SOC_PIN), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ESM_SOC_FAIL, TPS6594_IRQ_NAME_ESM_SOC_FAIL), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ESM_SOC_RST, TPS6594_IRQ_NAME_ESM_SOC_RST), |
| }; |
| |
| static const struct resource tps6594_rtc_resources[] = { |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_TIMER, TPS6594_IRQ_NAME_TIMER), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ALARM, TPS6594_IRQ_NAME_ALARM), |
| DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_POWER_UP, TPS6594_IRQ_NAME_POWERUP), |
| }; |
| |
| static const struct mfd_cell tps6594_common_cells[] = { |
| MFD_CELL_RES("tps6594-regulator", tps6594_regulator_resources), |
| MFD_CELL_RES("tps6594-pinctrl", tps6594_pinctrl_resources), |
| MFD_CELL_RES("tps6594-pfsm", tps6594_pfsm_resources), |
| MFD_CELL_RES("tps6594-esm", tps6594_esm_resources), |
| }; |
| |
| static const struct mfd_cell tps6594_rtc_cells[] = { |
| MFD_CELL_RES("tps6594-rtc", tps6594_rtc_resources), |
| }; |
| |
| static const struct regmap_irq tps6594_irqs[] = { |
| /* INT_BUCK1_2 register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK1_OV, 0, TPS6594_BIT_BUCKX_OV_INT(0)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK1_UV, 0, TPS6594_BIT_BUCKX_UV_INT(0)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK1_SC, 0, TPS6594_BIT_BUCKX_SC_INT(0)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK1_ILIM, 0, TPS6594_BIT_BUCKX_ILIM_INT(0)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK2_OV, 0, TPS6594_BIT_BUCKX_OV_INT(1)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK2_UV, 0, TPS6594_BIT_BUCKX_UV_INT(1)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK2_SC, 0, TPS6594_BIT_BUCKX_SC_INT(1)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK2_ILIM, 0, TPS6594_BIT_BUCKX_ILIM_INT(1)), |
| |
| /* INT_BUCK3_4 register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK3_OV, 1, TPS6594_BIT_BUCKX_OV_INT(2)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK3_UV, 1, TPS6594_BIT_BUCKX_UV_INT(2)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK3_SC, 1, TPS6594_BIT_BUCKX_SC_INT(2)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK3_ILIM, 1, TPS6594_BIT_BUCKX_ILIM_INT(2)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK4_OV, 1, TPS6594_BIT_BUCKX_OV_INT(3)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK4_UV, 1, TPS6594_BIT_BUCKX_UV_INT(3)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK4_SC, 1, TPS6594_BIT_BUCKX_SC_INT(3)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK4_ILIM, 1, TPS6594_BIT_BUCKX_ILIM_INT(3)), |
| |
| /* INT_BUCK5 register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK5_OV, 2, TPS6594_BIT_BUCKX_OV_INT(4)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK5_UV, 2, TPS6594_BIT_BUCKX_UV_INT(4)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK5_SC, 2, TPS6594_BIT_BUCKX_SC_INT(4)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BUCK5_ILIM, 2, TPS6594_BIT_BUCKX_ILIM_INT(4)), |
| |
| /* INT_LDO1_2 register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO1_OV, 3, TPS6594_BIT_LDOX_OV_INT(0)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO1_UV, 3, TPS6594_BIT_LDOX_UV_INT(0)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO1_SC, 3, TPS6594_BIT_LDOX_SC_INT(0)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO1_ILIM, 3, TPS6594_BIT_LDOX_ILIM_INT(0)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO2_OV, 3, TPS6594_BIT_LDOX_OV_INT(1)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO2_UV, 3, TPS6594_BIT_LDOX_UV_INT(1)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO2_SC, 3, TPS6594_BIT_LDOX_SC_INT(1)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO2_ILIM, 3, TPS6594_BIT_LDOX_ILIM_INT(1)), |
| |
| /* INT_LDO3_4 register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO3_OV, 4, TPS6594_BIT_LDOX_OV_INT(2)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO3_UV, 4, TPS6594_BIT_LDOX_UV_INT(2)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO3_SC, 4, TPS6594_BIT_LDOX_SC_INT(2)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO3_ILIM, 4, TPS6594_BIT_LDOX_ILIM_INT(2)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO4_OV, 4, TPS6594_BIT_LDOX_OV_INT(3)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO4_UV, 4, TPS6594_BIT_LDOX_UV_INT(3)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO4_SC, 4, TPS6594_BIT_LDOX_SC_INT(3)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_LDO4_ILIM, 4, TPS6594_BIT_LDOX_ILIM_INT(3)), |
| |
| /* INT_VMON register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_VCCA_OV, 5, TPS6594_BIT_VCCA_OV_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_VCCA_UV, 5, TPS6594_BIT_VCCA_UV_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_VMON1_OV, 5, TPS6594_BIT_VMON1_OV_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_VMON1_UV, 5, TPS6594_BIT_VMON1_UV_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_VMON1_RV, 5, TPS6594_BIT_VMON1_RV_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_VMON2_OV, 5, TPS6594_BIT_VMON2_OV_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_VMON2_UV, 5, TPS6594_BIT_VMON2_UV_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_VMON2_RV, 5, TPS6594_BIT_VMON2_RV_INT), |
| |
| /* INT_GPIO register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_GPIO9, 6, TPS6594_BIT_GPIO9_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_GPIO10, 6, TPS6594_BIT_GPIO10_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_GPIO11, 6, TPS6594_BIT_GPIO11_INT), |
| |
| /* INT_GPIO1_8 register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_GPIO1, 7, TPS6594_BIT_GPIOX_INT(0)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_GPIO2, 7, TPS6594_BIT_GPIOX_INT(1)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_GPIO3, 7, TPS6594_BIT_GPIOX_INT(2)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_GPIO4, 7, TPS6594_BIT_GPIOX_INT(3)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_GPIO5, 7, TPS6594_BIT_GPIOX_INT(4)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_GPIO6, 7, TPS6594_BIT_GPIOX_INT(5)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_GPIO7, 7, TPS6594_BIT_GPIOX_INT(6)), |
| REGMAP_IRQ_REG(TPS6594_IRQ_GPIO8, 7, TPS6594_BIT_GPIOX_INT(7)), |
| |
| /* INT_STARTUP register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_NPWRON_START, 8, TPS6594_BIT_NPWRON_START_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_ENABLE, 8, TPS6594_BIT_ENABLE_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_FSD, 8, TPS6594_BIT_FSD_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_SOFT_REBOOT, 8, TPS6594_BIT_SOFT_REBOOT_INT), |
| |
| /* INT_MISC register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_BIST_PASS, 9, TPS6594_BIT_BIST_PASS_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_EXT_CLK, 9, TPS6594_BIT_EXT_CLK_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_TWARN, 9, TPS6594_BIT_TWARN_INT), |
| |
| /* INT_MODERATE_ERR register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_TSD_ORD, 10, TPS6594_BIT_TSD_ORD_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_BIST_FAIL, 10, TPS6594_BIT_BIST_FAIL_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_REG_CRC_ERR, 10, TPS6594_BIT_REG_CRC_ERR_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_RECOV_CNT, 10, TPS6594_BIT_RECOV_CNT_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_SPMI_ERR, 10, TPS6594_BIT_SPMI_ERR_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_NPWRON_LONG, 10, TPS6594_BIT_NPWRON_LONG_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_NINT_READBACK, 10, TPS6594_BIT_NINT_READBACK_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_NRSTOUT_READBACK, 10, TPS6594_BIT_NRSTOUT_READBACK_INT), |
| |
| /* INT_SEVERE_ERR register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_TSD_IMM, 11, TPS6594_BIT_TSD_IMM_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_VCCA_OVP, 11, TPS6594_BIT_VCCA_OVP_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_PFSM_ERR, 11, TPS6594_BIT_PFSM_ERR_INT), |
| |
| /* INT_FSM_ERR register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_IMM_SHUTDOWN, 12, TPS6594_BIT_IMM_SHUTDOWN_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_ORD_SHUTDOWN, 12, TPS6594_BIT_ORD_SHUTDOWN_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_MCU_PWR_ERR, 12, TPS6594_BIT_MCU_PWR_ERR_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_SOC_PWR_ERR, 12, TPS6594_BIT_SOC_PWR_ERR_INT), |
| |
| /* INT_COMM_ERR register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_COMM_FRM_ERR, 13, TPS6594_BIT_COMM_FRM_ERR_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_COMM_CRC_ERR, 13, TPS6594_BIT_COMM_CRC_ERR_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_COMM_ADR_ERR, 13, TPS6594_BIT_COMM_ADR_ERR_INT), |
| |
| /* INT_READBACK_ERR register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_EN_DRV_READBACK, 14, TPS6594_BIT_EN_DRV_READBACK_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_NRSTOUT_SOC_READBACK, 14, TPS6594_BIT_NRSTOUT_SOC_READBACK_INT), |
| |
| /* INT_ESM register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_ESM_SOC_PIN, 15, TPS6594_BIT_ESM_SOC_PIN_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_ESM_SOC_FAIL, 15, TPS6594_BIT_ESM_SOC_FAIL_INT), |
| REGMAP_IRQ_REG(TPS6594_IRQ_ESM_SOC_RST, 15, TPS6594_BIT_ESM_SOC_RST_INT), |
| |
| /* RTC_STATUS register */ |
| REGMAP_IRQ_REG(TPS6594_IRQ_TIMER, 16, TPS6594_BIT_TIMER), |
| REGMAP_IRQ_REG(TPS6594_IRQ_ALARM, 16, TPS6594_BIT_ALARM), |
| REGMAP_IRQ_REG(TPS6594_IRQ_POWER_UP, 16, TPS6594_BIT_POWER_UP), |
| }; |
| |
| static const unsigned int tps6594_irq_reg[] = { |
| TPS6594_REG_INT_BUCK1_2, |
| TPS6594_REG_INT_BUCK3_4, |
| TPS6594_REG_INT_BUCK5, |
| TPS6594_REG_INT_LDO1_2, |
| TPS6594_REG_INT_LDO3_4, |
| TPS6594_REG_INT_VMON, |
| TPS6594_REG_INT_GPIO, |
| TPS6594_REG_INT_GPIO1_8, |
| TPS6594_REG_INT_STARTUP, |
| TPS6594_REG_INT_MISC, |
| TPS6594_REG_INT_MODERATE_ERR, |
| TPS6594_REG_INT_SEVERE_ERR, |
| TPS6594_REG_INT_FSM_ERR, |
| TPS6594_REG_INT_COMM_ERR, |
| TPS6594_REG_INT_READBACK_ERR, |
| TPS6594_REG_INT_ESM, |
| TPS6594_REG_RTC_STATUS, |
| }; |
| |
| /* TPS65224 Resources */ |
| |
| static const struct resource tps65224_regulator_resources[] = { |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BUCK1_UVOV, TPS65224_IRQ_NAME_BUCK1_UVOV), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BUCK2_UVOV, TPS65224_IRQ_NAME_BUCK2_UVOV), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BUCK3_UVOV, TPS65224_IRQ_NAME_BUCK3_UVOV), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BUCK4_UVOV, TPS65224_IRQ_NAME_BUCK4_UVOV), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_LDO1_UVOV, TPS65224_IRQ_NAME_LDO1_UVOV), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_LDO2_UVOV, TPS65224_IRQ_NAME_LDO2_UVOV), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_LDO3_UVOV, TPS65224_IRQ_NAME_LDO3_UVOV), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_VCCA_UVOV, TPS65224_IRQ_NAME_VCCA_UVOV), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_VMON1_UVOV, TPS65224_IRQ_NAME_VMON1_UVOV), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_VMON2_UVOV, TPS65224_IRQ_NAME_VMON2_UVOV), |
| }; |
| |
| static const struct resource tps65224_pinctrl_resources[] = { |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO1, TPS65224_IRQ_NAME_GPIO1), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO2, TPS65224_IRQ_NAME_GPIO2), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO3, TPS65224_IRQ_NAME_GPIO3), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO4, TPS65224_IRQ_NAME_GPIO4), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO5, TPS65224_IRQ_NAME_GPIO5), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_GPIO6, TPS65224_IRQ_NAME_GPIO6), |
| }; |
| |
| static const struct resource tps65224_pfsm_resources[] = { |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_VSENSE, TPS65224_IRQ_NAME_VSENSE), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_ENABLE, TPS65224_IRQ_NAME_ENABLE), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_PB_SHORT, TPS65224_IRQ_NAME_PB_SHORT), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_FSD, TPS65224_IRQ_NAME_FSD), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_SOFT_REBOOT, TPS65224_IRQ_NAME_SOFT_REBOOT), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BIST_PASS, TPS65224_IRQ_NAME_BIST_PASS), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_EXT_CLK, TPS65224_IRQ_NAME_EXT_CLK), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_REG_UNLOCK, TPS65224_IRQ_NAME_REG_UNLOCK), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_TWARN, TPS65224_IRQ_NAME_TWARN), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_PB_LONG, TPS65224_IRQ_NAME_PB_LONG), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_PB_FALL, TPS65224_IRQ_NAME_PB_FALL), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_PB_RISE, TPS65224_IRQ_NAME_PB_RISE), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_TSD_ORD, TPS65224_IRQ_NAME_TSD_ORD), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BIST_FAIL, TPS65224_IRQ_NAME_BIST_FAIL), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_REG_CRC_ERR, TPS65224_IRQ_NAME_REG_CRC_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_RECOV_CNT, TPS65224_IRQ_NAME_RECOV_CNT), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_TSD_IMM, TPS65224_IRQ_NAME_TSD_IMM), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_VCCA_OVP, TPS65224_IRQ_NAME_VCCA_OVP), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_PFSM_ERR, TPS65224_IRQ_NAME_PFSM_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_BG_XMON, TPS65224_IRQ_NAME_BG_XMON), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_IMM_SHUTDOWN, TPS65224_IRQ_NAME_IMM_SHUTDOWN), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_ORD_SHUTDOWN, TPS65224_IRQ_NAME_ORD_SHUTDOWN), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_MCU_PWR_ERR, TPS65224_IRQ_NAME_MCU_PWR_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_SOC_PWR_ERR, TPS65224_IRQ_NAME_SOC_PWR_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_COMM_ERR, TPS65224_IRQ_NAME_COMM_ERR), |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_I2C2_ERR, TPS65224_IRQ_NAME_I2C2_ERR), |
| }; |
| |
| static const struct resource tps65224_adc_resources[] = { |
| DEFINE_RES_IRQ_NAMED(TPS65224_IRQ_ADC_CONV_READY, TPS65224_IRQ_NAME_ADC_CONV_READY), |
| }; |
| |
| static const struct mfd_cell tps65224_common_cells[] = { |
| MFD_CELL_RES("tps65224-adc", tps65224_adc_resources), |
| MFD_CELL_RES("tps6594-pfsm", tps65224_pfsm_resources), |
| MFD_CELL_RES("tps6594-pinctrl", tps65224_pinctrl_resources), |
| MFD_CELL_RES("tps6594-regulator", tps65224_regulator_resources), |
| }; |
| |
| static const struct regmap_irq tps65224_irqs[] = { |
| /* INT_BUCK register */ |
| REGMAP_IRQ_REG(TPS65224_IRQ_BUCK1_UVOV, 0, TPS65224_BIT_BUCK1_UVOV_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_BUCK2_UVOV, 0, TPS65224_BIT_BUCK2_UVOV_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_BUCK3_UVOV, 0, TPS65224_BIT_BUCK3_UVOV_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_BUCK4_UVOV, 0, TPS65224_BIT_BUCK4_UVOV_INT), |
| |
| /* INT_VMON_LDO register */ |
| REGMAP_IRQ_REG(TPS65224_IRQ_LDO1_UVOV, 1, TPS65224_BIT_LDO1_UVOV_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_LDO2_UVOV, 1, TPS65224_BIT_LDO2_UVOV_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_LDO3_UVOV, 1, TPS65224_BIT_LDO3_UVOV_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_VCCA_UVOV, 1, TPS65224_BIT_VCCA_UVOV_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_VMON1_UVOV, 1, TPS65224_BIT_VMON1_UVOV_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_VMON2_UVOV, 1, TPS65224_BIT_VMON2_UVOV_INT), |
| |
| /* INT_GPIO register */ |
| REGMAP_IRQ_REG(TPS65224_IRQ_GPIO1, 2, TPS65224_BIT_GPIO1_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_GPIO2, 2, TPS65224_BIT_GPIO2_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_GPIO3, 2, TPS65224_BIT_GPIO3_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_GPIO4, 2, TPS65224_BIT_GPIO4_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_GPIO5, 2, TPS65224_BIT_GPIO5_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_GPIO6, 2, TPS65224_BIT_GPIO6_INT), |
| |
| /* INT_STARTUP register */ |
| REGMAP_IRQ_REG(TPS65224_IRQ_VSENSE, 3, TPS65224_BIT_VSENSE_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_ENABLE, 3, TPS6594_BIT_ENABLE_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_PB_SHORT, 3, TPS65224_BIT_PB_SHORT_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_FSD, 3, TPS6594_BIT_FSD_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_SOFT_REBOOT, 3, TPS6594_BIT_SOFT_REBOOT_INT), |
| |
| /* INT_MISC register */ |
| REGMAP_IRQ_REG(TPS65224_IRQ_BIST_PASS, 4, TPS6594_BIT_BIST_PASS_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_EXT_CLK, 4, TPS6594_BIT_EXT_CLK_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_REG_UNLOCK, 4, TPS65224_BIT_REG_UNLOCK_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_TWARN, 4, TPS6594_BIT_TWARN_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_PB_LONG, 4, TPS65224_BIT_PB_LONG_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_PB_FALL, 4, TPS65224_BIT_PB_FALL_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_PB_RISE, 4, TPS65224_BIT_PB_RISE_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_ADC_CONV_READY, 4, TPS65224_BIT_ADC_CONV_READY_INT), |
| |
| /* INT_MODERATE_ERR register */ |
| REGMAP_IRQ_REG(TPS65224_IRQ_TSD_ORD, 5, TPS6594_BIT_TSD_ORD_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_BIST_FAIL, 5, TPS6594_BIT_BIST_FAIL_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_REG_CRC_ERR, 5, TPS6594_BIT_REG_CRC_ERR_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_RECOV_CNT, 5, TPS6594_BIT_RECOV_CNT_INT), |
| |
| /* INT_SEVERE_ERR register */ |
| REGMAP_IRQ_REG(TPS65224_IRQ_TSD_IMM, 6, TPS6594_BIT_TSD_IMM_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_VCCA_OVP, 6, TPS6594_BIT_VCCA_OVP_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_PFSM_ERR, 6, TPS6594_BIT_PFSM_ERR_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_BG_XMON, 6, TPS65224_BIT_BG_XMON_INT), |
| |
| /* INT_FSM_ERR register */ |
| REGMAP_IRQ_REG(TPS65224_IRQ_IMM_SHUTDOWN, 7, TPS6594_BIT_IMM_SHUTDOWN_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_ORD_SHUTDOWN, 7, TPS6594_BIT_ORD_SHUTDOWN_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_MCU_PWR_ERR, 7, TPS6594_BIT_MCU_PWR_ERR_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_SOC_PWR_ERR, 7, TPS6594_BIT_SOC_PWR_ERR_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_COMM_ERR, 7, TPS6594_BIT_COMM_ERR_INT), |
| REGMAP_IRQ_REG(TPS65224_IRQ_I2C2_ERR, 7, TPS65224_BIT_I2C2_ERR_INT), |
| }; |
| |
| static const unsigned int tps65224_irq_reg[] = { |
| TPS6594_REG_INT_BUCK, |
| TPS6594_REG_INT_LDO_VMON, |
| TPS6594_REG_INT_GPIO, |
| TPS6594_REG_INT_STARTUP, |
| TPS6594_REG_INT_MISC, |
| TPS6594_REG_INT_MODERATE_ERR, |
| TPS6594_REG_INT_SEVERE_ERR, |
| TPS6594_REG_INT_FSM_ERR, |
| }; |
| |
| static inline unsigned int tps6594_get_irq_reg(struct regmap_irq_chip_data *data, |
| unsigned int base, int index) |
| { |
| return tps6594_irq_reg[index]; |
| }; |
| |
| static inline unsigned int tps65224_get_irq_reg(struct regmap_irq_chip_data *data, |
| unsigned int base, int index) |
| { |
| return tps65224_irq_reg[index]; |
| }; |
| |
| static int tps6594_handle_post_irq(void *irq_drv_data) |
| { |
| struct tps6594 *tps = irq_drv_data; |
| int ret = 0; |
| unsigned int regmap_reg, mask_val; |
| |
| /* |
| * When CRC is enabled, writing to a read-only bit triggers an error, |
| * and COMM_ADR_ERR_INT bit is set. Besides, bits indicating interrupts |
| * (that must be cleared) and read-only bits are sometimes grouped in |
| * the same register. |
| * Since regmap clears interrupts by doing a write per register, clearing |
| * an interrupt bit in a register containing also a read-only bit makes |
| * COMM_ADR_ERR_INT bit set. Clear immediately this bit to avoid raising |
| * a new interrupt. |
| */ |
| if (tps->use_crc) { |
| if (tps->chip_id == TPS65224) { |
| regmap_reg = TPS6594_REG_INT_FSM_ERR; |
| mask_val = TPS6594_BIT_COMM_ERR_INT; |
| } else { |
| regmap_reg = TPS6594_REG_INT_COMM_ERR; |
| mask_val = TPS6594_BIT_COMM_ADR_ERR_INT; |
| } |
| |
| ret = regmap_write_bits(tps->regmap, regmap_reg, mask_val, mask_val); |
| } |
| |
| return ret; |
| }; |
| |
| static struct regmap_irq_chip tps6594_irq_chip = { |
| .ack_base = TPS6594_REG_INT_BUCK1_2, |
| .ack_invert = 1, |
| .clear_ack = 1, |
| .init_ack_masked = 1, |
| .num_regs = ARRAY_SIZE(tps6594_irq_reg), |
| .irqs = tps6594_irqs, |
| .num_irqs = ARRAY_SIZE(tps6594_irqs), |
| .get_irq_reg = tps6594_get_irq_reg, |
| .handle_post_irq = tps6594_handle_post_irq, |
| }; |
| |
| static struct regmap_irq_chip tps65224_irq_chip = { |
| .ack_base = TPS6594_REG_INT_BUCK, |
| .ack_invert = 1, |
| .clear_ack = 1, |
| .init_ack_masked = 1, |
| .num_regs = ARRAY_SIZE(tps65224_irq_reg), |
| .irqs = tps65224_irqs, |
| .num_irqs = ARRAY_SIZE(tps65224_irqs), |
| .get_irq_reg = tps65224_get_irq_reg, |
| .handle_post_irq = tps6594_handle_post_irq, |
| }; |
| |
| static const struct regmap_range tps6594_volatile_ranges[] = { |
| regmap_reg_range(TPS6594_REG_INT_TOP, TPS6594_REG_STAT_READBACK_ERR), |
| regmap_reg_range(TPS6594_REG_RTC_STATUS, TPS6594_REG_RTC_STATUS), |
| }; |
| |
| const struct regmap_access_table tps6594_volatile_table = { |
| .yes_ranges = tps6594_volatile_ranges, |
| .n_yes_ranges = ARRAY_SIZE(tps6594_volatile_ranges), |
| }; |
| EXPORT_SYMBOL_GPL(tps6594_volatile_table); |
| |
| static const struct regmap_range tps65224_volatile_ranges[] = { |
| regmap_reg_range(TPS6594_REG_INT_TOP, TPS6594_REG_STAT_SEVERE_ERR), |
| }; |
| |
| const struct regmap_access_table tps65224_volatile_table = { |
| .yes_ranges = tps65224_volatile_ranges, |
| .n_yes_ranges = ARRAY_SIZE(tps65224_volatile_ranges), |
| }; |
| EXPORT_SYMBOL_GPL(tps65224_volatile_table); |
| |
| static int tps6594_check_crc_mode(struct tps6594 *tps, bool primary_pmic) |
| { |
| int ret; |
| unsigned int regmap_reg, mask_val; |
| |
| if (tps->chip_id == TPS65224) { |
| regmap_reg = TPS6594_REG_CONFIG_2; |
| mask_val = TPS65224_BIT_I2C1_SPI_CRC_EN; |
| } else { |
| regmap_reg = TPS6594_REG_SERIAL_IF_CONFIG; |
| mask_val = TPS6594_BIT_I2C1_SPI_CRC_EN; |
| }; |
| |
| /* |
| * Check if CRC is enabled. |
| * Once CRC is enabled, it can't be disabled until next power cycle. |
| */ |
| tps->use_crc = true; |
| ret = regmap_test_bits(tps->regmap, regmap_reg, mask_val); |
| if (ret == 0) { |
| ret = -EIO; |
| } else if (ret > 0) { |
| dev_info(tps->dev, "CRC feature enabled on %s PMIC", |
| primary_pmic ? "primary" : "secondary"); |
| ret = 0; |
| } |
| |
| return ret; |
| } |
| |
| static int tps6594_set_crc_feature(struct tps6594 *tps) |
| { |
| int ret; |
| unsigned int regmap_reg, mask_val; |
| |
| if (tps->chip_id == TPS65224) { |
| regmap_reg = TPS6594_REG_CONFIG_2; |
| mask_val = TPS65224_BIT_I2C1_SPI_CRC_EN; |
| } else { |
| regmap_reg = TPS6594_REG_FSM_I2C_TRIGGERS; |
| mask_val = TPS6594_BIT_TRIGGER_I2C(2); |
| } |
| |
| ret = tps6594_check_crc_mode(tps, true); |
| if (ret) { |
| /* |
| * If CRC is not already enabled, force PFSM I2C_2 trigger to enable it |
| * on primary PMIC. |
| */ |
| tps->use_crc = false; |
| ret = regmap_write_bits(tps->regmap, regmap_reg, mask_val, mask_val); |
| if (ret) |
| return ret; |
| |
| /* |
| * Wait for PFSM to process trigger. |
| * The datasheet indicates 2 ms, and clock specification is +/-5%. |
| * 4 ms should provide sufficient margin. |
| */ |
| usleep_range(4000, 5000); |
| |
| ret = tps6594_check_crc_mode(tps, true); |
| } |
| |
| return ret; |
| } |
| |
| static int tps6594_enable_crc(struct tps6594 *tps) |
| { |
| struct device *dev = tps->dev; |
| unsigned int is_primary; |
| unsigned long timeout = msecs_to_jiffies(TPS6594_CRC_SYNC_TIMEOUT_MS); |
| int ret; |
| |
| /* |
| * CRC mode can be used with I2C or SPI protocols. |
| * If this mode is specified for primary PMIC, it will also be applied to secondary PMICs |
| * through SPMI serial interface. |
| * In this multi-PMIC synchronization scheme, the primary PMIC is the controller device |
| * on the SPMI bus, and the secondary PMICs are the target devices on the SPMI bus. |
| */ |
| is_primary = of_property_read_bool(dev->of_node, "ti,primary-pmic"); |
| if (is_primary) { |
| /* Enable CRC feature on primary PMIC */ |
| ret = tps6594_set_crc_feature(tps); |
| if (ret) |
| return ret; |
| |
| /* Notify secondary PMICs that CRC feature is enabled */ |
| complete_all(&tps6594_crc_comp); |
| } else { |
| /* Wait for CRC feature enabling event from primary PMIC */ |
| ret = wait_for_completion_interruptible_timeout(&tps6594_crc_comp, timeout); |
| if (ret == 0) |
| ret = -ETIMEDOUT; |
| else if (ret > 0) |
| ret = tps6594_check_crc_mode(tps, false); |
| } |
| |
| return ret; |
| } |
| |
| int tps6594_device_init(struct tps6594 *tps, bool enable_crc) |
| { |
| struct device *dev = tps->dev; |
| int ret; |
| struct regmap_irq_chip *irq_chip; |
| const struct mfd_cell *cells; |
| int n_cells; |
| |
| if (enable_crc) { |
| ret = tps6594_enable_crc(tps); |
| if (ret) |
| return dev_err_probe(dev, ret, "Failed to enable CRC\n"); |
| } |
| |
| /* Keep PMIC in ACTIVE state */ |
| ret = regmap_set_bits(tps->regmap, TPS6594_REG_FSM_NSLEEP_TRIGGERS, |
| TPS6594_BIT_NSLEEP1B | TPS6594_BIT_NSLEEP2B); |
| if (ret) |
| return dev_err_probe(dev, ret, "Failed to set PMIC state\n"); |
| |
| if (tps->chip_id == TPS65224) { |
| irq_chip = &tps65224_irq_chip; |
| n_cells = ARRAY_SIZE(tps65224_common_cells); |
| cells = tps65224_common_cells; |
| } else { |
| irq_chip = &tps6594_irq_chip; |
| n_cells = ARRAY_SIZE(tps6594_common_cells); |
| cells = tps6594_common_cells; |
| } |
| |
| irq_chip->irq_drv_data = tps; |
| irq_chip->name = devm_kasprintf(dev, GFP_KERNEL, "%s-%ld-0x%02x", |
| dev->driver->name, tps->chip_id, tps->reg); |
| |
| if (!irq_chip->name) |
| return -ENOMEM; |
| |
| ret = devm_regmap_add_irq_chip(dev, tps->regmap, tps->irq, IRQF_SHARED | IRQF_ONESHOT, |
| 0, irq_chip, &tps->irq_data); |
| if (ret) |
| return dev_err_probe(dev, ret, "Failed to add regmap IRQ\n"); |
| |
| ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, cells, n_cells, NULL, 0, |
| regmap_irq_get_domain(tps->irq_data)); |
| if (ret) |
| return dev_err_probe(dev, ret, "Failed to add common child devices\n"); |
| |
| /* No RTC for LP8764 and TPS65224 */ |
| if (tps->chip_id != LP8764 && tps->chip_id != TPS65224) { |
| ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, tps6594_rtc_cells, |
| ARRAY_SIZE(tps6594_rtc_cells), NULL, 0, |
| regmap_irq_get_domain(tps->irq_data)); |
| if (ret) |
| return dev_err_probe(dev, ret, "Failed to add RTC child device\n"); |
| } |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(tps6594_device_init); |
| |
| MODULE_AUTHOR("Julien Panis <jpanis@baylibre.com>"); |
| MODULE_AUTHOR("Bhargav Raviprakash <bhargav.r@ltts.com"); |
| MODULE_DESCRIPTION("TPS6594 Driver"); |
| MODULE_LICENSE("GPL"); |