| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Matt Porter | 1549 | 96.15% | 2 | 20.00% |
| Axel Lin | 36 | 2.23% | 3 | 30.00% |
| Graham Williams | 18 | 1.12% | 1 | 10.00% |
| Bhumika Goyal | 3 | 0.19% | 1 | 10.00% |
| Thomas Gleixner | 2 | 0.12% | 1 | 10.00% |
| Kees Cook | 2 | 0.12% | 1 | 10.00% |
| Tim Kryger | 1 | 0.06% | 1 | 10.00% |
| Total | 1611 | 10 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * Broadcom BCM590xx regulator driver * * Copyright 2014 Linaro Limited * Author: Matt Porter <mporter@linaro.org> */ #include <linux/err.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/mfd/bcm590xx.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/regulator/of_regulator.h> #include <linux/slab.h> /* I2C slave 0 registers */ #define BCM590XX_RFLDOPMCTRL1 0x60 #define BCM590XX_IOSR1PMCTRL1 0x7a #define BCM590XX_IOSR2PMCTRL1 0x7c #define BCM590XX_CSRPMCTRL1 0x7e #define BCM590XX_SDSR1PMCTRL1 0x82 #define BCM590XX_SDSR2PMCTRL1 0x86 #define BCM590XX_MSRPMCTRL1 0x8a #define BCM590XX_VSRPMCTRL1 0x8e #define BCM590XX_RFLDOCTRL 0x96 #define BCM590XX_CSRVOUT1 0xc0 /* I2C slave 1 registers */ #define BCM590XX_GPLDO5PMCTRL1 0x16 #define BCM590XX_GPLDO6PMCTRL1 0x18 #define BCM590XX_GPLDO1CTRL 0x1a #define BCM590XX_GPLDO2CTRL 0x1b #define BCM590XX_GPLDO3CTRL 0x1c #define BCM590XX_GPLDO4CTRL 0x1d #define BCM590XX_GPLDO5CTRL 0x1e #define BCM590XX_GPLDO6CTRL 0x1f #define BCM590XX_OTG_CTRL 0x40 #define BCM590XX_GPLDO1PMCTRL1 0x57 #define BCM590XX_GPLDO2PMCTRL1 0x59 #define BCM590XX_GPLDO3PMCTRL1 0x5b #define BCM590XX_GPLDO4PMCTRL1 0x5d #define BCM590XX_REG_ENABLE BIT(7) #define BCM590XX_VBUS_ENABLE BIT(2) #define BCM590XX_LDO_VSEL_MASK GENMASK(5, 3) #define BCM590XX_SR_VSEL_MASK GENMASK(5, 0) /* * RFLDO to VSR regulators are * accessed via I2C slave 0 */ /* LDO regulator IDs */ #define BCM590XX_REG_RFLDO 0 #define BCM590XX_REG_CAMLDO1 1 #define BCM590XX_REG_CAMLDO2 2 #define BCM590XX_REG_SIMLDO1 3 #define BCM590XX_REG_SIMLDO2 4 #define BCM590XX_REG_SDLDO 5 #define BCM590XX_REG_SDXLDO 6 #define BCM590XX_REG_MMCLDO1 7 #define BCM590XX_REG_MMCLDO2 8 #define BCM590XX_REG_AUDLDO 9 #define BCM590XX_REG_MICLDO 10 #define BCM590XX_REG_USBLDO 11 #define BCM590XX_REG_VIBLDO 12 /* DCDC regulator IDs */ #define BCM590XX_REG_CSR 13 #define BCM590XX_REG_IOSR1 14 #define BCM590XX_REG_IOSR2 15 #define BCM590XX_REG_MSR 16 #define BCM590XX_REG_SDSR1 17 #define BCM590XX_REG_SDSR2 18 #define BCM590XX_REG_VSR 19 /* * GPLDO1 to VBUS regulators are * accessed via I2C slave 1 */ #define BCM590XX_REG_GPLDO1 20 #define BCM590XX_REG_GPLDO2 21 #define BCM590XX_REG_GPLDO3 22 #define BCM590XX_REG_GPLDO4 23 #define BCM590XX_REG_GPLDO5 24 #define BCM590XX_REG_GPLDO6 25 #define BCM590XX_REG_VBUS 26 #define BCM590XX_NUM_REGS 27 #define BCM590XX_REG_IS_LDO(n) (n < BCM590XX_REG_CSR) #define BCM590XX_REG_IS_GPLDO(n) \ ((n > BCM590XX_REG_VSR) && (n < BCM590XX_REG_VBUS)) #define BCM590XX_REG_IS_VBUS(n) (n == BCM590XX_REG_VBUS) /* LDO group A: supported voltages in microvolts */ static const unsigned int ldo_a_table[] = { 1200000, 1800000, 2500000, 2700000, 2800000, 2900000, 3000000, 3300000, }; /* LDO group C: supported voltages in microvolts */ static const unsigned int ldo_c_table[] = { 3100000, 1800000, 2500000, 2700000, 2800000, 2900000, 3000000, 3300000, }; static const unsigned int ldo_vbus[] = { 5000000, }; /* DCDC group CSR: supported voltages in microvolts */ static const struct regulator_linear_range dcdc_csr_ranges[] = { REGULATOR_LINEAR_RANGE(860000, 2, 50, 10000), REGULATOR_LINEAR_RANGE(1360000, 51, 55, 20000), REGULATOR_LINEAR_RANGE(900000, 56, 63, 0), }; /* DCDC group IOSR1: supported voltages in microvolts */ static const struct regulator_linear_range dcdc_iosr1_ranges[] = { REGULATOR_LINEAR_RANGE(860000, 2, 51, 10000), REGULATOR_LINEAR_RANGE(1500000, 52, 52, 0), REGULATOR_LINEAR_RANGE(1800000, 53, 53, 0), REGULATOR_LINEAR_RANGE(900000, 54, 63, 0), }; /* DCDC group SDSR1: supported voltages in microvolts */ static const struct regulator_linear_range dcdc_sdsr1_ranges[] = { REGULATOR_LINEAR_RANGE(860000, 2, 50, 10000), REGULATOR_LINEAR_RANGE(1340000, 51, 51, 0), REGULATOR_LINEAR_RANGE(900000, 52, 63, 0), }; struct bcm590xx_info { const char *name; const char *vin_name; u8 n_voltages; const unsigned int *volt_table; u8 n_linear_ranges; const struct regulator_linear_range *linear_ranges; }; #define BCM590XX_REG_TABLE(_name, _table) \ { \ .name = #_name, \ .n_voltages = ARRAY_SIZE(_table), \ .volt_table = _table, \ } #define BCM590XX_REG_RANGES(_name, _ranges) \ { \ .name = #_name, \ .n_voltages = 64, \ .n_linear_ranges = ARRAY_SIZE(_ranges), \ .linear_ranges = _ranges, \ } static struct bcm590xx_info bcm590xx_regs[] = { BCM590XX_REG_TABLE(rfldo, ldo_a_table), BCM590XX_REG_TABLE(camldo1, ldo_c_table), BCM590XX_REG_TABLE(camldo2, ldo_c_table), BCM590XX_REG_TABLE(simldo1, ldo_a_table), BCM590XX_REG_TABLE(simldo2, ldo_a_table), BCM590XX_REG_TABLE(sdldo, ldo_c_table), BCM590XX_REG_TABLE(sdxldo, ldo_a_table), BCM590XX_REG_TABLE(mmcldo1, ldo_a_table), BCM590XX_REG_TABLE(mmcldo2, ldo_a_table), BCM590XX_REG_TABLE(audldo, ldo_a_table), BCM590XX_REG_TABLE(micldo, ldo_a_table), BCM590XX_REG_TABLE(usbldo, ldo_a_table), BCM590XX_REG_TABLE(vibldo, ldo_c_table), BCM590XX_REG_RANGES(csr, dcdc_csr_ranges), BCM590XX_REG_RANGES(iosr1, dcdc_iosr1_ranges), BCM590XX_REG_RANGES(iosr2, dcdc_iosr1_ranges), BCM590XX_REG_RANGES(msr, dcdc_iosr1_ranges), BCM590XX_REG_RANGES(sdsr1, dcdc_sdsr1_ranges), BCM590XX_REG_RANGES(sdsr2, dcdc_iosr1_ranges), BCM590XX_REG_RANGES(vsr, dcdc_iosr1_ranges), BCM590XX_REG_TABLE(gpldo1, ldo_a_table), BCM590XX_REG_TABLE(gpldo2, ldo_a_table), BCM590XX_REG_TABLE(gpldo3, ldo_a_table), BCM590XX_REG_TABLE(gpldo4, ldo_a_table), BCM590XX_REG_TABLE(gpldo5, ldo_a_table), BCM590XX_REG_TABLE(gpldo6, ldo_a_table), BCM590XX_REG_TABLE(vbus, ldo_vbus), }; struct bcm590xx_reg { struct regulator_desc *desc; struct bcm590xx *mfd; }; static int bcm590xx_get_vsel_register(int id) { if (BCM590XX_REG_IS_LDO(id)) return BCM590XX_RFLDOCTRL + id; else if (BCM590XX_REG_IS_GPLDO(id)) return BCM590XX_GPLDO1CTRL + id; else return BCM590XX_CSRVOUT1 + (id - BCM590XX_REG_CSR) * 3; } static int bcm590xx_get_enable_register(int id) { int reg = 0; if (BCM590XX_REG_IS_LDO(id)) reg = BCM590XX_RFLDOPMCTRL1 + id * 2; else if (BCM590XX_REG_IS_GPLDO(id)) reg = BCM590XX_GPLDO1PMCTRL1 + id * 2; else switch (id) { case BCM590XX_REG_CSR: reg = BCM590XX_CSRPMCTRL1; break; case BCM590XX_REG_IOSR1: reg = BCM590XX_IOSR1PMCTRL1; break; case BCM590XX_REG_IOSR2: reg = BCM590XX_IOSR2PMCTRL1; break; case BCM590XX_REG_MSR: reg = BCM590XX_MSRPMCTRL1; break; case BCM590XX_REG_SDSR1: reg = BCM590XX_SDSR1PMCTRL1; break; case BCM590XX_REG_SDSR2: reg = BCM590XX_SDSR2PMCTRL1; break; case BCM590XX_REG_VSR: reg = BCM590XX_VSRPMCTRL1; break; case BCM590XX_REG_VBUS: reg = BCM590XX_OTG_CTRL; break; } return reg; } static const struct regulator_ops bcm590xx_ops_ldo = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, .list_voltage = regulator_list_voltage_table, .map_voltage = regulator_map_voltage_iterate, }; static const struct regulator_ops bcm590xx_ops_dcdc = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, .list_voltage = regulator_list_voltage_linear_range, .map_voltage = regulator_map_voltage_linear_range, }; static const struct regulator_ops bcm590xx_ops_vbus = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, }; static int bcm590xx_probe(struct platform_device *pdev) { struct bcm590xx *bcm590xx = dev_get_drvdata(pdev->dev.parent); struct bcm590xx_reg *pmu; struct regulator_config config = { }; struct bcm590xx_info *info; struct regulator_dev *rdev; int i; pmu = devm_kzalloc(&pdev->dev, sizeof(*pmu), GFP_KERNEL); if (!pmu) return -ENOMEM; pmu->mfd = bcm590xx; platform_set_drvdata(pdev, pmu); pmu->desc = devm_kcalloc(&pdev->dev, BCM590XX_NUM_REGS, sizeof(struct regulator_desc), GFP_KERNEL); if (!pmu->desc) return -ENOMEM; info = bcm590xx_regs; for (i = 0; i < BCM590XX_NUM_REGS; i++, info++) { /* Register the regulators */ pmu->desc[i].name = info->name; pmu->desc[i].of_match = of_match_ptr(info->name); pmu->desc[i].regulators_node = of_match_ptr("regulators"); pmu->desc[i].supply_name = info->vin_name; pmu->desc[i].id = i; pmu->desc[i].volt_table = info->volt_table; pmu->desc[i].n_voltages = info->n_voltages; pmu->desc[i].linear_ranges = info->linear_ranges; pmu->desc[i].n_linear_ranges = info->n_linear_ranges; if ((BCM590XX_REG_IS_LDO(i)) || (BCM590XX_REG_IS_GPLDO(i))) { pmu->desc[i].ops = &bcm590xx_ops_ldo; pmu->desc[i].vsel_mask = BCM590XX_LDO_VSEL_MASK; } else if (BCM590XX_REG_IS_VBUS(i)) pmu->desc[i].ops = &bcm590xx_ops_vbus; else { pmu->desc[i].ops = &bcm590xx_ops_dcdc; pmu->desc[i].vsel_mask = BCM590XX_SR_VSEL_MASK; } if (BCM590XX_REG_IS_VBUS(i)) pmu->desc[i].enable_mask = BCM590XX_VBUS_ENABLE; else { pmu->desc[i].vsel_reg = bcm590xx_get_vsel_register(i); pmu->desc[i].enable_is_inverted = true; pmu->desc[i].enable_mask = BCM590XX_REG_ENABLE; } pmu->desc[i].enable_reg = bcm590xx_get_enable_register(i); pmu->desc[i].type = REGULATOR_VOLTAGE; pmu->desc[i].owner = THIS_MODULE; config.dev = bcm590xx->dev; config.driver_data = pmu; if (BCM590XX_REG_IS_GPLDO(i) || BCM590XX_REG_IS_VBUS(i)) config.regmap = bcm590xx->regmap_sec; else config.regmap = bcm590xx->regmap_pri; rdev = devm_regulator_register(&pdev->dev, &pmu->desc[i], &config); if (IS_ERR(rdev)) { dev_err(bcm590xx->dev, "failed to register %s regulator\n", pdev->name); return PTR_ERR(rdev); } } return 0; } static struct platform_driver bcm590xx_regulator_driver = { .driver = { .name = "bcm590xx-vregs", }, .probe = bcm590xx_probe, }; module_platform_driver(bcm590xx_regulator_driver); MODULE_AUTHOR("Matt Porter <mporter@linaro.org>"); MODULE_DESCRIPTION("BCM590xx voltage regulator driver"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:bcm590xx-vregs");
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