| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Bengt Jonsson | 1833 | 74.36% | 2 | 18.18% |
| Lee Jones | 583 | 23.65% | 3 | 27.27% |
| Mark Brown | 28 | 1.14% | 1 | 9.09% |
| Ulf Hansson | 10 | 0.41% | 1 | 9.09% |
| Jingoo Han | 6 | 0.24% | 1 | 9.09% |
| Paul Gortmaker | 3 | 0.12% | 1 | 9.09% |
| Mattias Nilsson | 1 | 0.04% | 1 | 9.09% |
| Axel Lin | 1 | 0.04% | 1 | 9.09% |
| Total | 2465 | 11 |
/* * Copyright (C) ST-Ericsson SA 2010 * * License Terms: GNU General Public License v2 * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson * Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson * * Power domain regulators on DB8500 */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/err.h> #include <linux/spinlock.h> #include <linux/platform_device.h> #include <linux/mfd/dbx500-prcmu.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/regulator/db8500-prcmu.h> #include <linux/regulator/of_regulator.h> #include <linux/of.h> #include <linux/module.h> #include "dbx500-prcmu.h" static int db8500_regulator_enable(struct regulator_dev *rdev) { struct dbx500_regulator_info *info = rdev_get_drvdata(rdev); if (info == NULL) return -EINVAL; dev_vdbg(rdev_get_dev(rdev), "regulator-%s-enable\n", info->desc.name); if (!info->is_enabled) { info->is_enabled = true; if (!info->exclude_from_power_state) power_state_active_enable(); } return 0; } static int db8500_regulator_disable(struct regulator_dev *rdev) { struct dbx500_regulator_info *info = rdev_get_drvdata(rdev); int ret = 0; if (info == NULL) return -EINVAL; dev_vdbg(rdev_get_dev(rdev), "regulator-%s-disable\n", info->desc.name); if (info->is_enabled) { info->is_enabled = false; if (!info->exclude_from_power_state) ret = power_state_active_disable(); } return ret; } static int db8500_regulator_is_enabled(struct regulator_dev *rdev) { struct dbx500_regulator_info *info = rdev_get_drvdata(rdev); if (info == NULL) return -EINVAL; dev_vdbg(rdev_get_dev(rdev), "regulator-%s-is_enabled (is_enabled):" " %i\n", info->desc.name, info->is_enabled); return info->is_enabled; } /* db8500 regulator operations */ static struct regulator_ops db8500_regulator_ops = { .enable = db8500_regulator_enable, .disable = db8500_regulator_disable, .is_enabled = db8500_regulator_is_enabled, }; /* * EPOD control */ static bool epod_on[NUM_EPOD_ID]; static bool epod_ramret[NUM_EPOD_ID]; static int enable_epod(u16 epod_id, bool ramret) { int ret; if (ramret) { if (!epod_on[epod_id]) { ret = prcmu_set_epod(epod_id, EPOD_STATE_RAMRET); if (ret < 0) return ret; } epod_ramret[epod_id] = true; } else { ret = prcmu_set_epod(epod_id, EPOD_STATE_ON); if (ret < 0) return ret; epod_on[epod_id] = true; } return 0; } static int disable_epod(u16 epod_id, bool ramret) { int ret; if (ramret) { if (!epod_on[epod_id]) { ret = prcmu_set_epod(epod_id, EPOD_STATE_OFF); if (ret < 0) return ret; } epod_ramret[epod_id] = false; } else { if (epod_ramret[epod_id]) { ret = prcmu_set_epod(epod_id, EPOD_STATE_RAMRET); if (ret < 0) return ret; } else { ret = prcmu_set_epod(epod_id, EPOD_STATE_OFF); if (ret < 0) return ret; } epod_on[epod_id] = false; } return 0; } /* * Regulator switch */ static int db8500_regulator_switch_enable(struct regulator_dev *rdev) { struct dbx500_regulator_info *info = rdev_get_drvdata(rdev); int ret; if (info == NULL) return -EINVAL; dev_vdbg(rdev_get_dev(rdev), "regulator-switch-%s-enable\n", info->desc.name); ret = enable_epod(info->epod_id, info->is_ramret); if (ret < 0) { dev_err(rdev_get_dev(rdev), "regulator-switch-%s-enable: prcmu call failed\n", info->desc.name); goto out; } info->is_enabled = true; out: return ret; } static int db8500_regulator_switch_disable(struct regulator_dev *rdev) { struct dbx500_regulator_info *info = rdev_get_drvdata(rdev); int ret; if (info == NULL) return -EINVAL; dev_vdbg(rdev_get_dev(rdev), "regulator-switch-%s-disable\n", info->desc.name); ret = disable_epod(info->epod_id, info->is_ramret); if (ret < 0) { dev_err(rdev_get_dev(rdev), "regulator_switch-%s-disable: prcmu call failed\n", info->desc.name); goto out; } info->is_enabled = 0; out: return ret; } static int db8500_regulator_switch_is_enabled(struct regulator_dev *rdev) { struct dbx500_regulator_info *info = rdev_get_drvdata(rdev); if (info == NULL) return -EINVAL; dev_vdbg(rdev_get_dev(rdev), "regulator-switch-%s-is_enabled (is_enabled): %i\n", info->desc.name, info->is_enabled); return info->is_enabled; } static struct regulator_ops db8500_regulator_switch_ops = { .enable = db8500_regulator_switch_enable, .disable = db8500_regulator_switch_disable, .is_enabled = db8500_regulator_switch_is_enabled, }; /* * Regulator information */ static struct dbx500_regulator_info dbx500_regulator_info[DB8500_NUM_REGULATORS] = { [DB8500_REGULATOR_VAPE] = { .desc = { .name = "db8500-vape", .id = DB8500_REGULATOR_VAPE, .ops = &db8500_regulator_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, }, [DB8500_REGULATOR_VARM] = { .desc = { .name = "db8500-varm", .id = DB8500_REGULATOR_VARM, .ops = &db8500_regulator_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, }, [DB8500_REGULATOR_VMODEM] = { .desc = { .name = "db8500-vmodem", .id = DB8500_REGULATOR_VMODEM, .ops = &db8500_regulator_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, }, [DB8500_REGULATOR_VPLL] = { .desc = { .name = "db8500-vpll", .id = DB8500_REGULATOR_VPLL, .ops = &db8500_regulator_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, }, [DB8500_REGULATOR_VSMPS1] = { .desc = { .name = "db8500-vsmps1", .id = DB8500_REGULATOR_VSMPS1, .ops = &db8500_regulator_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, }, [DB8500_REGULATOR_VSMPS2] = { .desc = { .name = "db8500-vsmps2", .id = DB8500_REGULATOR_VSMPS2, .ops = &db8500_regulator_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, .fixed_uV = 1800000, .n_voltages = 1, }, .exclude_from_power_state = true, }, [DB8500_REGULATOR_VSMPS3] = { .desc = { .name = "db8500-vsmps3", .id = DB8500_REGULATOR_VSMPS3, .ops = &db8500_regulator_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, }, [DB8500_REGULATOR_VRF1] = { .desc = { .name = "db8500-vrf1", .id = DB8500_REGULATOR_VRF1, .ops = &db8500_regulator_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, }, [DB8500_REGULATOR_SWITCH_SVAMMDSP] = { .desc = { .name = "db8500-sva-mmdsp", .id = DB8500_REGULATOR_SWITCH_SVAMMDSP, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_SVAMMDSP, }, [DB8500_REGULATOR_SWITCH_SVAMMDSPRET] = { .desc = { .name = "db8500-sva-mmdsp-ret", .id = DB8500_REGULATOR_SWITCH_SVAMMDSPRET, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_SVAMMDSP, .is_ramret = true, }, [DB8500_REGULATOR_SWITCH_SVAPIPE] = { .desc = { .name = "db8500-sva-pipe", .id = DB8500_REGULATOR_SWITCH_SVAPIPE, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_SVAPIPE, }, [DB8500_REGULATOR_SWITCH_SIAMMDSP] = { .desc = { .name = "db8500-sia-mmdsp", .id = DB8500_REGULATOR_SWITCH_SIAMMDSP, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_SIAMMDSP, }, [DB8500_REGULATOR_SWITCH_SIAMMDSPRET] = { .desc = { .name = "db8500-sia-mmdsp-ret", .id = DB8500_REGULATOR_SWITCH_SIAMMDSPRET, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_SIAMMDSP, .is_ramret = true, }, [DB8500_REGULATOR_SWITCH_SIAPIPE] = { .desc = { .name = "db8500-sia-pipe", .id = DB8500_REGULATOR_SWITCH_SIAPIPE, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_SIAPIPE, }, [DB8500_REGULATOR_SWITCH_SGA] = { .desc = { .name = "db8500-sga", .id = DB8500_REGULATOR_SWITCH_SGA, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_SGA, }, [DB8500_REGULATOR_SWITCH_B2R2_MCDE] = { .desc = { .name = "db8500-b2r2-mcde", .id = DB8500_REGULATOR_SWITCH_B2R2_MCDE, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_B2R2_MCDE, }, [DB8500_REGULATOR_SWITCH_ESRAM12] = { .desc = { .name = "db8500-esram12", .id = DB8500_REGULATOR_SWITCH_ESRAM12, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_ESRAM12, .is_enabled = true, }, [DB8500_REGULATOR_SWITCH_ESRAM12RET] = { .desc = { .name = "db8500-esram12-ret", .id = DB8500_REGULATOR_SWITCH_ESRAM12RET, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_ESRAM12, .is_ramret = true, }, [DB8500_REGULATOR_SWITCH_ESRAM34] = { .desc = { .name = "db8500-esram34", .id = DB8500_REGULATOR_SWITCH_ESRAM34, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_ESRAM34, .is_enabled = true, }, [DB8500_REGULATOR_SWITCH_ESRAM34RET] = { .desc = { .name = "db8500-esram34-ret", .id = DB8500_REGULATOR_SWITCH_ESRAM34RET, .ops = &db8500_regulator_switch_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }, .epod_id = EPOD_ID_ESRAM34, .is_ramret = true, }, }; static int db8500_regulator_register(struct platform_device *pdev, struct regulator_init_data *init_data, int id, struct device_node *np) { struct dbx500_regulator_info *info; struct regulator_config config = { }; int err; /* assign per-regulator data */ info = &dbx500_regulator_info[id]; info->dev = &pdev->dev; config.dev = &pdev->dev; config.init_data = init_data; config.driver_data = info; config.of_node = np; /* register with the regulator framework */ info->rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); if (IS_ERR(info->rdev)) { err = PTR_ERR(info->rdev); dev_err(&pdev->dev, "failed to register %s: err %i\n", info->desc.name, err); return err; } dev_dbg(rdev_get_dev(info->rdev), "regulator-%s-probed\n", info->desc.name); return 0; } static struct of_regulator_match db8500_regulator_matches[] = { { .name = "db8500_vape", .driver_data = (void *) DB8500_REGULATOR_VAPE, }, { .name = "db8500_varm", .driver_data = (void *) DB8500_REGULATOR_VARM, }, { .name = "db8500_vmodem", .driver_data = (void *) DB8500_REGULATOR_VMODEM, }, { .name = "db8500_vpll", .driver_data = (void *) DB8500_REGULATOR_VPLL, }, { .name = "db8500_vsmps1", .driver_data = (void *) DB8500_REGULATOR_VSMPS1, }, { .name = "db8500_vsmps2", .driver_data = (void *) DB8500_REGULATOR_VSMPS2, }, { .name = "db8500_vsmps3", .driver_data = (void *) DB8500_REGULATOR_VSMPS3, }, { .name = "db8500_vrf1", .driver_data = (void *) DB8500_REGULATOR_VRF1, }, { .name = "db8500_sva_mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSP, }, { .name = "db8500_sva_mmdsp_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSPRET, }, { .name = "db8500_sva_pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAPIPE, }, { .name = "db8500_sia_mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSP, }, { .name = "db8500_sia_mmdsp_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSPRET, }, { .name = "db8500_sia_pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAPIPE, }, { .name = "db8500_sga", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SGA, }, { .name = "db8500_b2r2_mcde", .driver_data = (void *) DB8500_REGULATOR_SWITCH_B2R2_MCDE, }, { .name = "db8500_esram12", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12, }, { .name = "db8500_esram12_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12RET, }, { .name = "db8500_esram34", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34, }, { .name = "db8500_esram34_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34RET, }, }; static int db8500_regulator_of_probe(struct platform_device *pdev, struct device_node *np) { int i, err; for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) { err = db8500_regulator_register( pdev, db8500_regulator_matches[i].init_data, i, db8500_regulator_matches[i].of_node); if (err) return err; } return 0; } static int db8500_regulator_probe(struct platform_device *pdev) { struct regulator_init_data *db8500_init_data = dev_get_platdata(&pdev->dev); struct device_node *np = pdev->dev.of_node; int i, err; /* register all regulators */ if (np) { err = of_regulator_match(&pdev->dev, np, db8500_regulator_matches, ARRAY_SIZE(db8500_regulator_matches)); if (err < 0) { dev_err(&pdev->dev, "Error parsing regulator init data: %d\n", err); return err; } err = db8500_regulator_of_probe(pdev, np); if (err) return err; } else { for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) { err = db8500_regulator_register(pdev, &db8500_init_data[i], i, NULL); if (err) return err; } } err = ux500_regulator_debug_init(pdev, dbx500_regulator_info, ARRAY_SIZE(dbx500_regulator_info)); return 0; } static int db8500_regulator_remove(struct platform_device *pdev) { ux500_regulator_debug_exit(); return 0; } static struct platform_driver db8500_regulator_driver = { .driver = { .name = "db8500-prcmu-regulators", }, .probe = db8500_regulator_probe, .remove = db8500_regulator_remove, }; static int __init db8500_regulator_init(void) { return platform_driver_register(&db8500_regulator_driver); } static void __exit db8500_regulator_exit(void) { platform_driver_unregister(&db8500_regulator_driver); } arch_initcall(db8500_regulator_init); module_exit(db8500_regulator_exit); MODULE_AUTHOR("STMicroelectronics/ST-Ericsson"); MODULE_DESCRIPTION("DB8500 regulator driver"); MODULE_LICENSE("GPL v2");
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