| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Erick Chen | 962 | 98.87% | 1 | 20.00% |
| Doug Anderson | 5 | 0.51% | 1 | 20.00% |
| Axel Lin | 5 | 0.51% | 2 | 40.00% |
| Tom Rix | 1 | 0.10% | 1 | 20.00% |
| Total | 973 | 5 |
// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2017 Spreadtrum Communications Inc. */ #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> #include <linux/regulator/of_regulator.h> /* * SC2731 regulator lock register */ #define SC2731_PWR_WR_PROT 0xf0c #define SC2731_WR_UNLOCK_VALUE 0x6e7f /* * SC2731 enable register */ #define SC2731_POWER_PD_SW 0xc28 #define SC2731_LDO_CAMA0_PD 0xcfc #define SC2731_LDO_CAMA1_PD 0xd04 #define SC2731_LDO_CAMMOT_PD 0xd0c #define SC2731_LDO_VLDO_PD 0xd6c #define SC2731_LDO_EMMCCORE_PD 0xd2c #define SC2731_LDO_SDCORE_PD 0xd74 #define SC2731_LDO_SDIO_PD 0xd70 #define SC2731_LDO_WIFIPA_PD 0xd4c #define SC2731_LDO_USB33_PD 0xd5c #define SC2731_LDO_CAMD0_PD 0xd7c #define SC2731_LDO_CAMD1_PD 0xd84 #define SC2731_LDO_CON_PD 0xd8c #define SC2731_LDO_CAMIO_PD 0xd94 #define SC2731_LDO_SRAM_PD 0xd78 /* * SC2731 enable mask */ #define SC2731_DCDC_CPU0_PD_MASK BIT(4) #define SC2731_DCDC_CPU1_PD_MASK BIT(3) #define SC2731_DCDC_RF_PD_MASK BIT(11) #define SC2731_LDO_CAMA0_PD_MASK BIT(0) #define SC2731_LDO_CAMA1_PD_MASK BIT(0) #define SC2731_LDO_CAMMOT_PD_MASK BIT(0) #define SC2731_LDO_VLDO_PD_MASK BIT(0) #define SC2731_LDO_EMMCCORE_PD_MASK BIT(0) #define SC2731_LDO_SDCORE_PD_MASK BIT(0) #define SC2731_LDO_SDIO_PD_MASK BIT(0) #define SC2731_LDO_WIFIPA_PD_MASK BIT(0) #define SC2731_LDO_USB33_PD_MASK BIT(0) #define SC2731_LDO_CAMD0_PD_MASK BIT(0) #define SC2731_LDO_CAMD1_PD_MASK BIT(0) #define SC2731_LDO_CON_PD_MASK BIT(0) #define SC2731_LDO_CAMIO_PD_MASK BIT(0) #define SC2731_LDO_SRAM_PD_MASK BIT(0) /* * SC2731 vsel register */ #define SC2731_DCDC_CPU0_VOL 0xc54 #define SC2731_DCDC_CPU1_VOL 0xc64 #define SC2731_DCDC_RF_VOL 0xcb8 #define SC2731_LDO_CAMA0_VOL 0xd00 #define SC2731_LDO_CAMA1_VOL 0xd08 #define SC2731_LDO_CAMMOT_VOL 0xd10 #define SC2731_LDO_VLDO_VOL 0xd28 #define SC2731_LDO_EMMCCORE_VOL 0xd30 #define SC2731_LDO_SDCORE_VOL 0xd38 #define SC2731_LDO_SDIO_VOL 0xd40 #define SC2731_LDO_WIFIPA_VOL 0xd50 #define SC2731_LDO_USB33_VOL 0xd60 #define SC2731_LDO_CAMD0_VOL 0xd80 #define SC2731_LDO_CAMD1_VOL 0xd88 #define SC2731_LDO_CON_VOL 0xd90 #define SC2731_LDO_CAMIO_VOL 0xd98 #define SC2731_LDO_SRAM_VOL 0xdB0 /* * SC2731 vsel register mask */ #define SC2731_DCDC_CPU0_VOL_MASK GENMASK(8, 0) #define SC2731_DCDC_CPU1_VOL_MASK GENMASK(8, 0) #define SC2731_DCDC_RF_VOL_MASK GENMASK(8, 0) #define SC2731_LDO_CAMA0_VOL_MASK GENMASK(7, 0) #define SC2731_LDO_CAMA1_VOL_MASK GENMASK(7, 0) #define SC2731_LDO_CAMMOT_VOL_MASK GENMASK(7, 0) #define SC2731_LDO_VLDO_VOL_MASK GENMASK(7, 0) #define SC2731_LDO_EMMCCORE_VOL_MASK GENMASK(7, 0) #define SC2731_LDO_SDCORE_VOL_MASK GENMASK(7, 0) #define SC2731_LDO_SDIO_VOL_MASK GENMASK(7, 0) #define SC2731_LDO_WIFIPA_VOL_MASK GENMASK(7, 0) #define SC2731_LDO_USB33_VOL_MASK GENMASK(7, 0) #define SC2731_LDO_CAMD0_VOL_MASK GENMASK(6, 0) #define SC2731_LDO_CAMD1_VOL_MASK GENMASK(6, 0) #define SC2731_LDO_CON_VOL_MASK GENMASK(6, 0) #define SC2731_LDO_CAMIO_VOL_MASK GENMASK(6, 0) #define SC2731_LDO_SRAM_VOL_MASK GENMASK(6, 0) enum sc2731_regulator_id { SC2731_BUCK_CPU0, SC2731_BUCK_CPU1, SC2731_BUCK_RF, SC2731_LDO_CAMA0, SC2731_LDO_CAMA1, SC2731_LDO_CAMMOT, SC2731_LDO_VLDO, SC2731_LDO_EMMCCORE, SC2731_LDO_SDCORE, SC2731_LDO_SDIO, SC2731_LDO_WIFIPA, SC2731_LDO_USB33, SC2731_LDO_CAMD0, SC2731_LDO_CAMD1, SC2731_LDO_CON, SC2731_LDO_CAMIO, SC2731_LDO_SRAM, }; static const struct regulator_ops sc2731_regu_linear_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, .list_voltage = regulator_list_voltage_linear, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, }; #define SC2731_REGU_LINEAR(_id, en_reg, en_mask, vreg, vmask, \ vstep, vmin, vmax) { \ .name = #_id, \ .of_match = of_match_ptr(#_id), \ .ops = &sc2731_regu_linear_ops, \ .type = REGULATOR_VOLTAGE, \ .id = SC2731_##_id, \ .owner = THIS_MODULE, \ .min_uV = vmin, \ .n_voltages = ((vmax) - (vmin)) / (vstep) + 1, \ .uV_step = vstep, \ .enable_is_inverted = true, \ .enable_val = 0, \ .enable_reg = en_reg, \ .enable_mask = en_mask, \ .vsel_reg = vreg, \ .vsel_mask = vmask, \ } static const struct regulator_desc regulators[] = { SC2731_REGU_LINEAR(BUCK_CPU0, SC2731_POWER_PD_SW, SC2731_DCDC_CPU0_PD_MASK, SC2731_DCDC_CPU0_VOL, SC2731_DCDC_CPU0_VOL_MASK, 3125, 400000, 1996875), SC2731_REGU_LINEAR(BUCK_CPU1, SC2731_POWER_PD_SW, SC2731_DCDC_CPU1_PD_MASK, SC2731_DCDC_CPU1_VOL, SC2731_DCDC_CPU1_VOL_MASK, 3125, 400000, 1996875), SC2731_REGU_LINEAR(BUCK_RF, SC2731_POWER_PD_SW, SC2731_DCDC_RF_PD_MASK, SC2731_DCDC_RF_VOL, SC2731_DCDC_RF_VOL_MASK, 3125, 600000, 2196875), SC2731_REGU_LINEAR(LDO_CAMA0, SC2731_LDO_CAMA0_PD, SC2731_LDO_CAMA0_PD_MASK, SC2731_LDO_CAMA0_VOL, SC2731_LDO_CAMA0_VOL_MASK, 10000, 1200000, 3750000), SC2731_REGU_LINEAR(LDO_CAMA1, SC2731_LDO_CAMA1_PD, SC2731_LDO_CAMA1_PD_MASK, SC2731_LDO_CAMA1_VOL, SC2731_LDO_CAMA1_VOL_MASK, 10000, 1200000, 3750000), SC2731_REGU_LINEAR(LDO_CAMMOT, SC2731_LDO_CAMMOT_PD, SC2731_LDO_CAMMOT_PD_MASK, SC2731_LDO_CAMMOT_VOL, SC2731_LDO_CAMMOT_VOL_MASK, 10000, 1200000, 3750000), SC2731_REGU_LINEAR(LDO_VLDO, SC2731_LDO_VLDO_PD, SC2731_LDO_VLDO_PD_MASK, SC2731_LDO_VLDO_VOL, SC2731_LDO_VLDO_VOL_MASK, 10000, 1200000, 3750000), SC2731_REGU_LINEAR(LDO_EMMCCORE, SC2731_LDO_EMMCCORE_PD, SC2731_LDO_EMMCCORE_PD_MASK, SC2731_LDO_EMMCCORE_VOL, SC2731_LDO_EMMCCORE_VOL_MASK, 10000, 1200000, 3750000), SC2731_REGU_LINEAR(LDO_SDCORE, SC2731_LDO_SDCORE_PD, SC2731_LDO_SDCORE_PD_MASK, SC2731_LDO_SDCORE_VOL, SC2731_LDO_SDCORE_VOL_MASK, 10000, 1200000, 3750000), SC2731_REGU_LINEAR(LDO_SDIO, SC2731_LDO_SDIO_PD, SC2731_LDO_SDIO_PD_MASK, SC2731_LDO_SDIO_VOL, SC2731_LDO_SDIO_VOL_MASK, 10000, 1200000, 3750000), SC2731_REGU_LINEAR(LDO_WIFIPA, SC2731_LDO_WIFIPA_PD, SC2731_LDO_WIFIPA_PD_MASK, SC2731_LDO_WIFIPA_VOL, SC2731_LDO_WIFIPA_VOL_MASK, 10000, 1200000, 3750000), SC2731_REGU_LINEAR(LDO_USB33, SC2731_LDO_USB33_PD, SC2731_LDO_USB33_PD_MASK, SC2731_LDO_USB33_VOL, SC2731_LDO_USB33_VOL_MASK, 10000, 1200000, 3750000), SC2731_REGU_LINEAR(LDO_CAMD0, SC2731_LDO_CAMD0_PD, SC2731_LDO_CAMD0_PD_MASK, SC2731_LDO_CAMD0_VOL, SC2731_LDO_CAMD0_VOL_MASK, 6250, 1000000, 1793750), SC2731_REGU_LINEAR(LDO_CAMD1, SC2731_LDO_CAMD1_PD, SC2731_LDO_CAMD1_PD_MASK, SC2731_LDO_CAMD1_VOL, SC2731_LDO_CAMD1_VOL_MASK, 6250, 1000000, 1793750), SC2731_REGU_LINEAR(LDO_CON, SC2731_LDO_CON_PD, SC2731_LDO_CON_PD_MASK, SC2731_LDO_CON_VOL, SC2731_LDO_CON_VOL_MASK, 6250, 1000000, 1793750), SC2731_REGU_LINEAR(LDO_CAMIO, SC2731_LDO_CAMIO_PD, SC2731_LDO_CAMIO_PD_MASK, SC2731_LDO_CAMIO_VOL, SC2731_LDO_CAMIO_VOL_MASK, 6250, 1000000, 1793750), SC2731_REGU_LINEAR(LDO_SRAM, SC2731_LDO_SRAM_PD, SC2731_LDO_SRAM_PD_MASK, SC2731_LDO_SRAM_VOL, SC2731_LDO_SRAM_VOL_MASK, 6250, 1000000, 1793750), }; static int sc2731_regulator_unlock(struct regmap *regmap) { return regmap_write(regmap, SC2731_PWR_WR_PROT, SC2731_WR_UNLOCK_VALUE); } static int sc2731_regulator_probe(struct platform_device *pdev) { int i, ret; struct regmap *regmap; struct regulator_config config = { }; struct regulator_dev *rdev; regmap = dev_get_regmap(pdev->dev.parent, NULL); if (!regmap) { dev_err(&pdev->dev, "failed to get regmap.\n"); return -ENODEV; } ret = sc2731_regulator_unlock(regmap); if (ret) { dev_err(&pdev->dev, "failed to release regulator lock\n"); return ret; } config.dev = &pdev->dev; config.regmap = regmap; for (i = 0; i < ARRAY_SIZE(regulators); i++) { rdev = devm_regulator_register(&pdev->dev, ®ulators[i], &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", regulators[i].name); return PTR_ERR(rdev); } } return 0; } static struct platform_driver sc2731_regulator_driver = { .driver = { .name = "sc27xx-regulator", .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = sc2731_regulator_probe, }; module_platform_driver(sc2731_regulator_driver); MODULE_AUTHOR("Chen Junhui <erick.chen@spreadtrum.com>"); MODULE_DESCRIPTION("Spreadtrum SC2731 regulator driver"); MODULE_LICENSE("GPL v2");
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