| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Nicolae Rosia | 2797 | 95.82% | 1 | 11.11% |
| Gregory CLEMENT | 65 | 2.23% | 2 | 22.22% |
| Axel Lin | 53 | 1.82% | 3 | 33.33% |
| Thomas Gleixner | 2 | 0.07% | 1 | 11.11% |
| Wolfram Sang | 1 | 0.03% | 1 | 11.11% |
| Colin Ian King | 1 | 0.03% | 1 | 11.11% |
| Total | 2919 | 9 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * Split TWL6030 logic from twl-regulator.c: * Copyright (C) 2008 David Brownell * * Copyright (C) 2016 Nicolae Rosia <nicolae.rosia@gmail.com> */ #include <linux/module.h> #include <linux/string.h> #include <linux/slab.h> #include <linux/init.h> #include <linux/err.h> #include <linux/platform_device.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/regulator/of_regulator.h> #include <linux/mfd/twl.h> #include <linux/delay.h> struct twlreg_info { /* start of regulator's PM_RECEIVER control register bank */ u8 base; /* twl resource ID, for resource control state machine */ u8 id; u8 flags; /* used by regulator core */ struct regulator_desc desc; /* chip specific features */ unsigned long features; /* data passed from board for external get/set voltage */ void *data; }; /* LDO control registers ... offset is from the base of its register bank. * The first three registers of all power resource banks help hardware to * manage the various resource groups. */ /* Common offset in TWL4030/6030 */ #define VREG_GRP 0 /* TWL6030 register offsets */ #define VREG_TRANS 1 #define VREG_STATE 2 #define VREG_VOLTAGE 3 #define VREG_VOLTAGE_SMPS 4 /* TWL6030 Misc register offsets */ #define VREG_BC_ALL 1 #define VREG_BC_REF 2 #define VREG_BC_PROC 3 #define VREG_BC_CLK_RST 4 /* TWL6030 LDO register values for VREG_VOLTAGE */ #define TWL6030_VREG_VOLTAGE_WR_S BIT(7) /* TWL6030 LDO register values for CFG_STATE */ #define TWL6030_CFG_STATE_OFF 0x00 #define TWL6030_CFG_STATE_ON 0x01 #define TWL6030_CFG_STATE_OFF2 0x02 #define TWL6030_CFG_STATE_SLEEP 0x03 #define TWL6030_CFG_STATE_GRP_SHIFT 5 #define TWL6030_CFG_STATE_APP_SHIFT 2 #define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT) #define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\ TWL6030_CFG_STATE_APP_SHIFT) /* Flags for SMPS Voltage reading and LDO reading*/ #define SMPS_OFFSET_EN BIT(0) #define SMPS_EXTENDED_EN BIT(1) #define TWL_6030_WARM_RESET BIT(3) /* twl6032 SMPS EPROM values */ #define TWL6030_SMPS_OFFSET 0xB0 #define TWL6030_SMPS_MULT 0xB3 #define SMPS_MULTOFFSET_SMPS4 BIT(0) #define SMPS_MULTOFFSET_VIO BIT(1) #define SMPS_MULTOFFSET_SMPS3 BIT(6) static inline int twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset) { u8 value; int status; status = twl_i2c_read_u8(slave_subgp, &value, info->base + offset); return (status < 0) ? status : value; } static inline int twlreg_write(struct twlreg_info *info, unsigned slave_subgp, unsigned offset, u8 value) { return twl_i2c_write_u8(slave_subgp, value, info->base + offset); } /* generic power resource operations, which work on all regulators */ static int twlreg_grp(struct regulator_dev *rdev) { return twlreg_read(rdev_get_drvdata(rdev), TWL_MODULE_PM_RECEIVER, VREG_GRP); } /* * Enable/disable regulators by joining/leaving the P1 (processor) group. * We assume nobody else is updating the DEV_GRP registers. */ /* definition for 6030 family */ #define P3_GRP_6030 BIT(2) /* secondary processor, modem, etc */ #define P2_GRP_6030 BIT(1) /* "peripherals" */ #define P1_GRP_6030 BIT(0) /* CPU/Linux */ static int twl6030reg_is_enabled(struct regulator_dev *rdev) { struct twlreg_info *info = rdev_get_drvdata(rdev); int grp = 0, val; if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) { grp = twlreg_grp(rdev); if (grp < 0) return grp; grp &= P1_GRP_6030; } else { grp = 1; } val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE); val = TWL6030_CFG_STATE_APP(val); return grp && (val == TWL6030_CFG_STATE_ON); } #define PB_I2C_BUSY BIT(0) #define PB_I2C_BWEN BIT(1) static int twl6030reg_enable(struct regulator_dev *rdev) { struct twlreg_info *info = rdev_get_drvdata(rdev); int grp = 0; int ret; if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) grp = twlreg_grp(rdev); if (grp < 0) return grp; ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, grp << TWL6030_CFG_STATE_GRP_SHIFT | TWL6030_CFG_STATE_ON); return ret; } static int twl6030reg_disable(struct regulator_dev *rdev) { struct twlreg_info *info = rdev_get_drvdata(rdev); int grp = 0; int ret; if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030; /* For 6030, set the off state for all grps enabled */ ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, (grp) << TWL6030_CFG_STATE_GRP_SHIFT | TWL6030_CFG_STATE_OFF); return ret; } static int twl6030reg_get_status(struct regulator_dev *rdev) { struct twlreg_info *info = rdev_get_drvdata(rdev); int val; val = twlreg_grp(rdev); if (val < 0) return val; val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE); switch (TWL6030_CFG_STATE_APP(val)) { case TWL6030_CFG_STATE_ON: return REGULATOR_STATUS_NORMAL; case TWL6030_CFG_STATE_SLEEP: return REGULATOR_STATUS_STANDBY; case TWL6030_CFG_STATE_OFF: case TWL6030_CFG_STATE_OFF2: default: break; } return REGULATOR_STATUS_OFF; } static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode) { struct twlreg_info *info = rdev_get_drvdata(rdev); int grp = 0; int val; if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) grp = twlreg_grp(rdev); if (grp < 0) return grp; /* Compose the state register settings */ val = grp << TWL6030_CFG_STATE_GRP_SHIFT; /* We can only set the mode through state machine commands... */ switch (mode) { case REGULATOR_MODE_NORMAL: val |= TWL6030_CFG_STATE_ON; break; case REGULATOR_MODE_STANDBY: val |= TWL6030_CFG_STATE_SLEEP; break; default: return -EINVAL; } return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val); } static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, unsigned *selector) { return -ENODEV; } static int twl6030coresmps_get_voltage(struct regulator_dev *rdev) { return -ENODEV; } static const struct regulator_ops twl6030coresmps_ops = { .set_voltage = twl6030coresmps_set_voltage, .get_voltage = twl6030coresmps_get_voltage, }; static int twl6030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) { struct twlreg_info *info = rdev_get_drvdata(rdev); if (info->flags & TWL_6030_WARM_RESET) selector |= TWL6030_VREG_VOLTAGE_WR_S; return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE, selector); } static int twl6030ldo_get_voltage_sel(struct regulator_dev *rdev) { struct twlreg_info *info = rdev_get_drvdata(rdev); int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE); if (info->flags & TWL_6030_WARM_RESET) vsel &= ~TWL6030_VREG_VOLTAGE_WR_S; return vsel; } static const struct regulator_ops twl6030ldo_ops = { .list_voltage = regulator_list_voltage_linear_range, .set_voltage_sel = twl6030ldo_set_voltage_sel, .get_voltage_sel = twl6030ldo_get_voltage_sel, .enable = twl6030reg_enable, .disable = twl6030reg_disable, .is_enabled = twl6030reg_is_enabled, .set_mode = twl6030reg_set_mode, .get_status = twl6030reg_get_status, }; static const struct regulator_ops twl6030fixed_ops = { .list_voltage = regulator_list_voltage_linear, .enable = twl6030reg_enable, .disable = twl6030reg_disable, .is_enabled = twl6030reg_is_enabled, .set_mode = twl6030reg_set_mode, .get_status = twl6030reg_get_status, }; /* * SMPS status and control */ static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index) { struct twlreg_info *info = rdev_get_drvdata(rdev); int voltage = 0; switch (info->flags) { case SMPS_OFFSET_EN: voltage = 100000; /* fall through */ case 0: switch (index) { case 0: voltage = 0; break; case 58: voltage = 1350 * 1000; break; case 59: voltage = 1500 * 1000; break; case 60: voltage = 1800 * 1000; break; case 61: voltage = 1900 * 1000; break; case 62: voltage = 2100 * 1000; break; default: voltage += (600000 + (12500 * (index - 1))); } break; case SMPS_EXTENDED_EN: switch (index) { case 0: voltage = 0; break; case 58: voltage = 2084 * 1000; break; case 59: voltage = 2315 * 1000; break; case 60: voltage = 2778 * 1000; break; case 61: voltage = 2932 * 1000; break; case 62: voltage = 3241 * 1000; break; default: voltage = (1852000 + (38600 * (index - 1))); } break; case SMPS_OFFSET_EN | SMPS_EXTENDED_EN: switch (index) { case 0: voltage = 0; break; case 58: voltage = 4167 * 1000; break; case 59: voltage = 2315 * 1000; break; case 60: voltage = 2778 * 1000; break; case 61: voltage = 2932 * 1000; break; case 62: voltage = 3241 * 1000; break; default: voltage = (2161000 + (38600 * (index - 1))); } break; } return voltage; } static int twl6030smps_map_voltage(struct regulator_dev *rdev, int min_uV, int max_uV) { struct twlreg_info *info = rdev_get_drvdata(rdev); int vsel = 0; switch (info->flags) { case 0: if (min_uV == 0) vsel = 0; else if ((min_uV >= 600000) && (min_uV <= 1300000)) { vsel = DIV_ROUND_UP(min_uV - 600000, 12500); vsel++; } /* Values 1..57 for vsel are linear and can be calculated * values 58..62 are non linear. */ else if ((min_uV > 1900000) && (min_uV <= 2100000)) vsel = 62; else if ((min_uV > 1800000) && (min_uV <= 1900000)) vsel = 61; else if ((min_uV > 1500000) && (min_uV <= 1800000)) vsel = 60; else if ((min_uV > 1350000) && (min_uV <= 1500000)) vsel = 59; else if ((min_uV > 1300000) && (min_uV <= 1350000)) vsel = 58; else return -EINVAL; break; case SMPS_OFFSET_EN: if (min_uV == 0) vsel = 0; else if ((min_uV >= 700000) && (min_uV <= 1420000)) { vsel = DIV_ROUND_UP(min_uV - 700000, 12500); vsel++; } /* Values 1..57 for vsel are linear and can be calculated * values 58..62 are non linear. */ else if ((min_uV > 1900000) && (min_uV <= 2100000)) vsel = 62; else if ((min_uV > 1800000) && (min_uV <= 1900000)) vsel = 61; else if ((min_uV > 1500000) && (min_uV <= 1800000)) vsel = 60; else if ((min_uV > 1350000) && (min_uV <= 1500000)) vsel = 59; else return -EINVAL; break; case SMPS_EXTENDED_EN: if (min_uV == 0) { vsel = 0; } else if ((min_uV >= 1852000) && (max_uV <= 4013600)) { vsel = DIV_ROUND_UP(min_uV - 1852000, 38600); vsel++; } break; case SMPS_OFFSET_EN|SMPS_EXTENDED_EN: if (min_uV == 0) { vsel = 0; } else if ((min_uV >= 2161000) && (min_uV <= 4321000)) { vsel = DIV_ROUND_UP(min_uV - 2161000, 38600); vsel++; } break; } return vsel; } static int twl6030smps_set_voltage_sel(struct regulator_dev *rdev, unsigned int selector) { struct twlreg_info *info = rdev_get_drvdata(rdev); return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS, selector); } static int twl6030smps_get_voltage_sel(struct regulator_dev *rdev) { struct twlreg_info *info = rdev_get_drvdata(rdev); return twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS); } static const struct regulator_ops twlsmps_ops = { .list_voltage = twl6030smps_list_voltage, .map_voltage = twl6030smps_map_voltage, .set_voltage_sel = twl6030smps_set_voltage_sel, .get_voltage_sel = twl6030smps_get_voltage_sel, .enable = twl6030reg_enable, .disable = twl6030reg_disable, .is_enabled = twl6030reg_is_enabled, .set_mode = twl6030reg_set_mode, .get_status = twl6030reg_get_status, }; /*----------------------------------------------------------------------*/ static const struct regulator_linear_range twl6030ldo_linear_range[] = { REGULATOR_LINEAR_RANGE(0, 0, 0, 0), REGULATOR_LINEAR_RANGE(1000000, 1, 24, 100000), REGULATOR_LINEAR_RANGE(2750000, 31, 31, 0), }; #define TWL6030_ADJUSTABLE_SMPS(label) \ static const struct twlreg_info TWL6030_INFO_##label = { \ .desc = { \ .name = #label, \ .id = TWL6030_REG_##label, \ .ops = &twl6030coresmps_ops, \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ }, \ } #define TWL6030_ADJUSTABLE_LDO(label, offset) \ static const struct twlreg_info TWL6030_INFO_##label = { \ .base = offset, \ .desc = { \ .name = #label, \ .id = TWL6030_REG_##label, \ .n_voltages = 32, \ .linear_ranges = twl6030ldo_linear_range, \ .n_linear_ranges = ARRAY_SIZE(twl6030ldo_linear_range), \ .ops = &twl6030ldo_ops, \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ }, \ } #define TWL6032_ADJUSTABLE_LDO(label, offset) \ static const struct twlreg_info TWL6032_INFO_##label = { \ .base = offset, \ .desc = { \ .name = #label, \ .id = TWL6032_REG_##label, \ .n_voltages = 32, \ .linear_ranges = twl6030ldo_linear_range, \ .n_linear_ranges = ARRAY_SIZE(twl6030ldo_linear_range), \ .ops = &twl6030ldo_ops, \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ }, \ } #define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \ static const struct twlreg_info TWLFIXED_INFO_##label = { \ .base = offset, \ .id = 0, \ .desc = { \ .name = #label, \ .id = TWL6030##_REG_##label, \ .n_voltages = 1, \ .ops = &twl6030fixed_ops, \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ .min_uV = mVolts * 1000, \ .enable_time = turnon_delay, \ .of_map_mode = NULL, \ }, \ } #define TWL6032_ADJUSTABLE_SMPS(label, offset) \ static const struct twlreg_info TWLSMPS_INFO_##label = { \ .base = offset, \ .desc = { \ .name = #label, \ .id = TWL6032_REG_##label, \ .n_voltages = 63, \ .ops = &twlsmps_ops, \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ }, \ } /* VUSBCP is managed *only* by the USB subchip */ /* 6030 REG with base as PMC Slave Misc : 0x0030 */ /* Turnon-delay and remap configuration values for 6030 are not verified since the specification is not public */ TWL6030_ADJUSTABLE_SMPS(VDD1); TWL6030_ADJUSTABLE_SMPS(VDD2); TWL6030_ADJUSTABLE_SMPS(VDD3); TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54); TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58); TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c); TWL6030_ADJUSTABLE_LDO(VMMC, 0x68); TWL6030_ADJUSTABLE_LDO(VPP, 0x6c); TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74); /* 6025 are renamed compared to 6030 versions */ TWL6032_ADJUSTABLE_LDO(LDO2, 0x54); TWL6032_ADJUSTABLE_LDO(LDO4, 0x58); TWL6032_ADJUSTABLE_LDO(LDO3, 0x5c); TWL6032_ADJUSTABLE_LDO(LDO5, 0x68); TWL6032_ADJUSTABLE_LDO(LDO1, 0x6c); TWL6032_ADJUSTABLE_LDO(LDO7, 0x74); TWL6032_ADJUSTABLE_LDO(LDO6, 0x60); TWL6032_ADJUSTABLE_LDO(LDOLN, 0x64); TWL6032_ADJUSTABLE_LDO(LDOUSB, 0x70); TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0); TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0); TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0); TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0); TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0); TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0); TWL6032_ADJUSTABLE_SMPS(SMPS3, 0x34); TWL6032_ADJUSTABLE_SMPS(SMPS4, 0x10); TWL6032_ADJUSTABLE_SMPS(VIO, 0x16); static u8 twl_get_smps_offset(void) { u8 value; twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value, TWL6030_SMPS_OFFSET); return value; } static u8 twl_get_smps_mult(void) { u8 value; twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value, TWL6030_SMPS_MULT); return value; } #define TWL_OF_MATCH(comp, family, label) \ { \ .compatible = comp, \ .data = &family##_INFO_##label, \ } #define TWL6030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6030, label) #define TWL6032_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6032, label) #define TWLFIXED_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLFIXED, label) #define TWLSMPS_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLSMPS, label) static const struct of_device_id twl_of_match[] = { TWL6030_OF_MATCH("ti,twl6030-vdd1", VDD1), TWL6030_OF_MATCH("ti,twl6030-vdd2", VDD2), TWL6030_OF_MATCH("ti,twl6030-vdd3", VDD3), TWL6030_OF_MATCH("ti,twl6030-vaux1", VAUX1_6030), TWL6030_OF_MATCH("ti,twl6030-vaux2", VAUX2_6030), TWL6030_OF_MATCH("ti,twl6030-vaux3", VAUX3_6030), TWL6030_OF_MATCH("ti,twl6030-vmmc", VMMC), TWL6030_OF_MATCH("ti,twl6030-vpp", VPP), TWL6030_OF_MATCH("ti,twl6030-vusim", VUSIM), TWL6032_OF_MATCH("ti,twl6032-ldo2", LDO2), TWL6032_OF_MATCH("ti,twl6032-ldo4", LDO4), TWL6032_OF_MATCH("ti,twl6032-ldo3", LDO3), TWL6032_OF_MATCH("ti,twl6032-ldo5", LDO5), TWL6032_OF_MATCH("ti,twl6032-ldo1", LDO1), TWL6032_OF_MATCH("ti,twl6032-ldo7", LDO7), TWL6032_OF_MATCH("ti,twl6032-ldo6", LDO6), TWL6032_OF_MATCH("ti,twl6032-ldoln", LDOLN), TWL6032_OF_MATCH("ti,twl6032-ldousb", LDOUSB), TWLFIXED_OF_MATCH("ti,twl6030-vana", VANA), TWLFIXED_OF_MATCH("ti,twl6030-vcxio", VCXIO), TWLFIXED_OF_MATCH("ti,twl6030-vdac", VDAC), TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB), TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8), TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1), TWLSMPS_OF_MATCH("ti,twl6032-smps3", SMPS3), TWLSMPS_OF_MATCH("ti,twl6032-smps4", SMPS4), TWLSMPS_OF_MATCH("ti,twl6032-vio", VIO), {}, }; MODULE_DEVICE_TABLE(of, twl_of_match); static int twlreg_probe(struct platform_device *pdev) { int id; struct twlreg_info *info; const struct twlreg_info *template; struct regulator_init_data *initdata; struct regulation_constraints *c; struct regulator_dev *rdev; struct regulator_config config = { }; struct device_node *np = pdev->dev.of_node; template = of_device_get_match_data(&pdev->dev); if (!template) return -ENODEV; id = template->desc.id; initdata = of_get_regulator_init_data(&pdev->dev, np, &template->desc); if (!initdata) return -EINVAL; info = devm_kmemdup(&pdev->dev, template, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; /* Constrain board-specific capabilities according to what * this driver and the chip itself can actually do. */ c = &initdata->constraints; c->valid_modes_mask &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY; c->valid_ops_mask &= REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS; switch (id) { case TWL6032_REG_SMPS3: if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3) info->flags |= SMPS_EXTENDED_EN; if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS3) info->flags |= SMPS_OFFSET_EN; break; case TWL6032_REG_SMPS4: if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS4) info->flags |= SMPS_EXTENDED_EN; if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS4) info->flags |= SMPS_OFFSET_EN; break; case TWL6032_REG_VIO: if (twl_get_smps_mult() & SMPS_MULTOFFSET_VIO) info->flags |= SMPS_EXTENDED_EN; if (twl_get_smps_offset() & SMPS_MULTOFFSET_VIO) info->flags |= SMPS_OFFSET_EN; break; } if (of_get_property(np, "ti,retain-on-reset", NULL)) info->flags |= TWL_6030_WARM_RESET; config.dev = &pdev->dev; config.init_data = initdata; config.driver_data = info; config.of_node = np; rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "can't register %s, %ld\n", info->desc.name, PTR_ERR(rdev)); return PTR_ERR(rdev); } platform_set_drvdata(pdev, rdev); /* NOTE: many regulators support short-circuit IRQs (presentable * as REGULATOR_OVER_CURRENT notifications?) configured via: * - SC_CONFIG * - SC_DETECT1 (vintana2, vmmc1/2, vaux1/2/3/4) * - SC_DETECT2 (vusb, vdac, vio, vdd1/2, vpll2) * - IT_CONFIG */ return 0; } MODULE_ALIAS("platform:twl6030_reg"); static struct platform_driver twlreg_driver = { .probe = twlreg_probe, /* NOTE: short name, to work around driver model truncation of * "twl_regulator.12" (and friends) to "twl_regulator.1". */ .driver = { .name = "twl6030_reg", .of_match_table = of_match_ptr(twl_of_match), }, }; static int __init twlreg_init(void) { return platform_driver_register(&twlreg_driver); } subsys_initcall(twlreg_init); static void __exit twlreg_exit(void) { platform_driver_unregister(&twlreg_driver); } module_exit(twlreg_exit) MODULE_DESCRIPTION("TWL6030 regulator driver"); MODULE_LICENSE("GPL");
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1