| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Matt Porter | 2081 | 98.81% | 2 | 28.57% |
| Graham Williams | 18 | 0.85% | 1 | 14.29% |
| Bhumika Goyal | 3 | 0.14% | 1 | 14.29% |
| Kees Cook | 2 | 0.09% | 1 | 14.29% |
| Tim Kryger | 1 | 0.05% | 1 | 14.29% |
| Axel Lin | 1 | 0.05% | 1 | 14.29% |
| Total | 2106 | 7 |
/* * Broadcom BCM590xx regulator driver * * Copyright 2014 Linaro Limited * Author: Matt Porter <mporter@linaro.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #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) struct bcm590xx_board { struct regulator_init_data *bcm590xx_pmu_init_data[BCM590XX_NUM_REGS]; }; /* 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_VBUS: reg = BCM590XX_OTG_CTRL; } 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, }; #define BCM590XX_MATCH(_name, _id) \ { \ .name = #_name, \ .driver_data = (void *)&bcm590xx_regs[BCM590XX_REG_##_id], \ } static struct of_regulator_match bcm590xx_matches[] = { BCM590XX_MATCH(rfldo, RFLDO), BCM590XX_MATCH(camldo1, CAMLDO1), BCM590XX_MATCH(camldo2, CAMLDO2), BCM590XX_MATCH(simldo1, SIMLDO1), BCM590XX_MATCH(simldo2, SIMLDO2), BCM590XX_MATCH(sdldo, SDLDO), BCM590XX_MATCH(sdxldo, SDXLDO), BCM590XX_MATCH(mmcldo1, MMCLDO1), BCM590XX_MATCH(mmcldo2, MMCLDO2), BCM590XX_MATCH(audldo, AUDLDO), BCM590XX_MATCH(micldo, MICLDO), BCM590XX_MATCH(usbldo, USBLDO), BCM590XX_MATCH(vibldo, VIBLDO), BCM590XX_MATCH(csr, CSR), BCM590XX_MATCH(iosr1, IOSR1), BCM590XX_MATCH(iosr2, IOSR2), BCM590XX_MATCH(msr, MSR), BCM590XX_MATCH(sdsr1, SDSR1), BCM590XX_MATCH(sdsr2, SDSR2), BCM590XX_MATCH(vsr, VSR), BCM590XX_MATCH(gpldo1, GPLDO1), BCM590XX_MATCH(gpldo2, GPLDO2), BCM590XX_MATCH(gpldo3, GPLDO3), BCM590XX_MATCH(gpldo4, GPLDO4), BCM590XX_MATCH(gpldo5, GPLDO5), BCM590XX_MATCH(gpldo6, GPLDO6), BCM590XX_MATCH(vbus, VBUS), }; static struct bcm590xx_board *bcm590xx_parse_dt_reg_data( struct platform_device *pdev, struct of_regulator_match **bcm590xx_reg_matches) { struct bcm590xx_board *data; struct device_node *np = pdev->dev.parent->of_node; struct device_node *regulators; struct of_regulator_match *matches = bcm590xx_matches; int count = ARRAY_SIZE(bcm590xx_matches); int idx = 0; int ret; if (!np) { dev_err(&pdev->dev, "of node not found\n"); return NULL; } data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) return NULL; np = of_node_get(np); regulators = of_get_child_by_name(np, "regulators"); if (!regulators) { dev_warn(&pdev->dev, "regulator node not found\n"); return NULL; } ret = of_regulator_match(&pdev->dev, regulators, matches, count); of_node_put(regulators); if (ret < 0) { dev_err(&pdev->dev, "Error parsing regulator init data: %d\n", ret); return NULL; } *bcm590xx_reg_matches = matches; for (idx = 0; idx < count; idx++) { if (!matches[idx].init_data || !matches[idx].of_node) continue; data->bcm590xx_pmu_init_data[idx] = matches[idx].init_data; } return data; } static int bcm590xx_probe(struct platform_device *pdev) { struct bcm590xx *bcm590xx = dev_get_drvdata(pdev->dev.parent); struct bcm590xx_board *pmu_data = NULL; struct bcm590xx_reg *pmu; struct regulator_config config = { }; struct bcm590xx_info *info; struct regulator_init_data *reg_data; struct regulator_dev *rdev; struct of_regulator_match *bcm590xx_reg_matches = NULL; int i; pmu_data = bcm590xx_parse_dt_reg_data(pdev, &bcm590xx_reg_matches); 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++) { if (pmu_data) reg_data = pmu_data->bcm590xx_pmu_init_data[i]; else reg_data = NULL; /* Register the regulators */ pmu->desc[i].name = info->name; 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.init_data = reg_data; 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; if (bcm590xx_reg_matches) config.of_node = bcm590xx_reg_matches[i].of_node; 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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