| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| 522 | 98.49% | 1 | 25.00% | |
| 5 | 0.94% | 1 | 25.00% | |
| 2 | 0.38% | 1 | 25.00% | |
| 1 | 0.19% | 1 | 25.00% | |
| Total | 530 | 4 |
| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Fabrice Gasnier | 522 | 98.49% | 1 | 25.00% |
| Doug Anderson | 5 | 0.94% | 1 | 25.00% |
| Rob Herring | 2 | 0.38% | 1 | 25.00% |
| JiSheng Zhang | 1 | 0.19% | 1 | 25.00% |
| Total | 530 | 4 |
// SPDX-License-Identifier: GPL-2.0 // Copyright (C) STMicroelectronics 2019 // Author(s): Fabrice Gasnier <fabrice.gasnier@st.com>. #include <linux/mfd/syscon.h> #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> /* STM32H7 SYSCFG register */ #define STM32H7_SYSCFG_PMCR 0x04 #define STM32H7_SYSCFG_BOOSTE_MASK BIT(8) /* STM32MP1 SYSCFG has set and clear registers */ #define STM32MP1_SYSCFG_PMCSETR 0x04 #define STM32MP1_SYSCFG_PMCCLRR 0x44 #define STM32MP1_SYSCFG_EN_BOOSTER_MASK BIT(8) static const struct regulator_ops stm32h7_booster_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, }; static const struct regulator_desc stm32h7_booster_desc = { .name = "booster", .supply_name = "vdda", .n_voltages = 1, .type = REGULATOR_VOLTAGE, .fixed_uV = 3300000, .ramp_delay = 66000, /* up to 50us to stabilize */ .ops = &stm32h7_booster_ops, .enable_reg = STM32H7_SYSCFG_PMCR, .enable_mask = STM32H7_SYSCFG_BOOSTE_MASK, .owner = THIS_MODULE, }; static int stm32mp1_booster_enable(struct regulator_dev *rdev) { return regmap_write(rdev->regmap, STM32MP1_SYSCFG_PMCSETR, STM32MP1_SYSCFG_EN_BOOSTER_MASK); } static int stm32mp1_booster_disable(struct regulator_dev *rdev) { return regmap_write(rdev->regmap, STM32MP1_SYSCFG_PMCCLRR, STM32MP1_SYSCFG_EN_BOOSTER_MASK); } static const struct regulator_ops stm32mp1_booster_ops = { .enable = stm32mp1_booster_enable, .disable = stm32mp1_booster_disable, .is_enabled = regulator_is_enabled_regmap, }; static const struct regulator_desc stm32mp1_booster_desc = { .name = "booster", .supply_name = "vdda", .n_voltages = 1, .type = REGULATOR_VOLTAGE, .fixed_uV = 3300000, .ramp_delay = 66000, .ops = &stm32mp1_booster_ops, .enable_reg = STM32MP1_SYSCFG_PMCSETR, .enable_mask = STM32MP1_SYSCFG_EN_BOOSTER_MASK, .owner = THIS_MODULE, }; static int stm32_booster_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *np = pdev->dev.of_node; struct regulator_config config = { }; const struct regulator_desc *desc; struct regulator_dev *rdev; struct regmap *regmap; int ret; regmap = syscon_regmap_lookup_by_phandle(np, "st,syscfg"); if (IS_ERR(regmap)) return PTR_ERR(regmap); desc = device_get_match_data(dev); config.regmap = regmap; config.dev = dev; config.of_node = np; config.init_data = of_get_regulator_init_data(dev, np, desc); rdev = devm_regulator_register(dev, desc, &config); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(dev, "register failed with error %d\n", ret); return ret; } return 0; } static const struct of_device_id __maybe_unused stm32_booster_of_match[] = { { .compatible = "st,stm32h7-booster", .data = (void *)&stm32h7_booster_desc }, { .compatible = "st,stm32mp1-booster", .data = (void *)&stm32mp1_booster_desc }, { }, }; MODULE_DEVICE_TABLE(of, stm32_booster_of_match); static struct platform_driver stm32_booster_driver = { .probe = stm32_booster_probe, .driver = { .name = "stm32-booster", .probe_type = PROBE_PREFER_ASYNCHRONOUS, .of_match_table = of_match_ptr(stm32_booster_of_match), }, }; module_platform_driver(stm32_booster_driver); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Fabrice Gasnier <fabrice.gasnier@st.com>"); MODULE_DESCRIPTION("STMicroelectronics STM32 booster regulator driver"); MODULE_ALIAS("platform:stm32-booster");