Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
pascal paillet | 1056 | 98.78% | 1 | 20.00% |
Aidan MacDonald | 7 | 0.65% | 1 | 20.00% |
Paul Cercueil | 4 | 0.37% | 1 | 20.00% |
Yue haibing | 1 | 0.09% | 1 | 20.00% |
Uwe Kleine-König | 1 | 0.09% | 1 | 20.00% |
Total | 1069 | 5 |
// SPDX-License-Identifier: GPL-2.0 // Copyright (C) STMicroelectronics 2018 // Author: Pascal Paillet <p.paillet@st.com> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/mfd/core.h> #include <linux/mfd/stpmic1.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/pm_wakeirq.h> #include <linux/regmap.h> #include <dt-bindings/mfd/st,stpmic1.h> #define STPMIC1_MAIN_IRQ 0 static const struct regmap_range stpmic1_readable_ranges[] = { regmap_reg_range(TURN_ON_SR, VERSION_SR), regmap_reg_range(SWOFF_PWRCTRL_CR, LDO6_STDBY_CR), regmap_reg_range(BST_SW_CR, BST_SW_CR), regmap_reg_range(INT_PENDING_R1, INT_PENDING_R4), regmap_reg_range(INT_CLEAR_R1, INT_CLEAR_R4), regmap_reg_range(INT_MASK_R1, INT_MASK_R4), regmap_reg_range(INT_SET_MASK_R1, INT_SET_MASK_R4), regmap_reg_range(INT_CLEAR_MASK_R1, INT_CLEAR_MASK_R4), regmap_reg_range(INT_SRC_R1, INT_SRC_R1), }; static const struct regmap_range stpmic1_writeable_ranges[] = { regmap_reg_range(SWOFF_PWRCTRL_CR, LDO6_STDBY_CR), regmap_reg_range(BST_SW_CR, BST_SW_CR), regmap_reg_range(INT_CLEAR_R1, INT_CLEAR_R4), regmap_reg_range(INT_SET_MASK_R1, INT_SET_MASK_R4), regmap_reg_range(INT_CLEAR_MASK_R1, INT_CLEAR_MASK_R4), }; static const struct regmap_range stpmic1_volatile_ranges[] = { regmap_reg_range(TURN_ON_SR, VERSION_SR), regmap_reg_range(WCHDG_CR, WCHDG_CR), regmap_reg_range(INT_PENDING_R1, INT_PENDING_R4), regmap_reg_range(INT_SRC_R1, INT_SRC_R4), }; static const struct regmap_access_table stpmic1_readable_table = { .yes_ranges = stpmic1_readable_ranges, .n_yes_ranges = ARRAY_SIZE(stpmic1_readable_ranges), }; static const struct regmap_access_table stpmic1_writeable_table = { .yes_ranges = stpmic1_writeable_ranges, .n_yes_ranges = ARRAY_SIZE(stpmic1_writeable_ranges), }; static const struct regmap_access_table stpmic1_volatile_table = { .yes_ranges = stpmic1_volatile_ranges, .n_yes_ranges = ARRAY_SIZE(stpmic1_volatile_ranges), }; static const struct regmap_config stpmic1_regmap_config = { .reg_bits = 8, .val_bits = 8, .cache_type = REGCACHE_RBTREE, .max_register = PMIC_MAX_REGISTER_ADDRESS, .rd_table = &stpmic1_readable_table, .wr_table = &stpmic1_writeable_table, .volatile_table = &stpmic1_volatile_table, }; static const struct regmap_irq stpmic1_irqs[] = { REGMAP_IRQ_REG(IT_PONKEY_F, 0, 0x01), REGMAP_IRQ_REG(IT_PONKEY_R, 0, 0x02), REGMAP_IRQ_REG(IT_WAKEUP_F, 0, 0x04), REGMAP_IRQ_REG(IT_WAKEUP_R, 0, 0x08), REGMAP_IRQ_REG(IT_VBUS_OTG_F, 0, 0x10), REGMAP_IRQ_REG(IT_VBUS_OTG_R, 0, 0x20), REGMAP_IRQ_REG(IT_SWOUT_F, 0, 0x40), REGMAP_IRQ_REG(IT_SWOUT_R, 0, 0x80), REGMAP_IRQ_REG(IT_CURLIM_BUCK1, 1, 0x01), REGMAP_IRQ_REG(IT_CURLIM_BUCK2, 1, 0x02), REGMAP_IRQ_REG(IT_CURLIM_BUCK3, 1, 0x04), REGMAP_IRQ_REG(IT_CURLIM_BUCK4, 1, 0x08), REGMAP_IRQ_REG(IT_OCP_OTG, 1, 0x10), REGMAP_IRQ_REG(IT_OCP_SWOUT, 1, 0x20), REGMAP_IRQ_REG(IT_OCP_BOOST, 1, 0x40), REGMAP_IRQ_REG(IT_OVP_BOOST, 1, 0x80), REGMAP_IRQ_REG(IT_CURLIM_LDO1, 2, 0x01), REGMAP_IRQ_REG(IT_CURLIM_LDO2, 2, 0x02), REGMAP_IRQ_REG(IT_CURLIM_LDO3, 2, 0x04), REGMAP_IRQ_REG(IT_CURLIM_LDO4, 2, 0x08), REGMAP_IRQ_REG(IT_CURLIM_LDO5, 2, 0x10), REGMAP_IRQ_REG(IT_CURLIM_LDO6, 2, 0x20), REGMAP_IRQ_REG(IT_SHORT_SWOTG, 2, 0x40), REGMAP_IRQ_REG(IT_SHORT_SWOUT, 2, 0x80), REGMAP_IRQ_REG(IT_TWARN_F, 3, 0x01), REGMAP_IRQ_REG(IT_TWARN_R, 3, 0x02), REGMAP_IRQ_REG(IT_VINLOW_F, 3, 0x04), REGMAP_IRQ_REG(IT_VINLOW_R, 3, 0x08), REGMAP_IRQ_REG(IT_SWIN_F, 3, 0x40), REGMAP_IRQ_REG(IT_SWIN_R, 3, 0x80), }; static const struct regmap_irq_chip stpmic1_regmap_irq_chip = { .name = "pmic_irq", .status_base = INT_PENDING_R1, .mask_base = INT_SET_MASK_R1, .unmask_base = INT_CLEAR_MASK_R1, .mask_unmask_non_inverted = true, .ack_base = INT_CLEAR_R1, .num_regs = STPMIC1_PMIC_NUM_IRQ_REGS, .irqs = stpmic1_irqs, .num_irqs = ARRAY_SIZE(stpmic1_irqs), }; static int stpmic1_probe(struct i2c_client *i2c) { struct stpmic1 *ddata; struct device *dev = &i2c->dev; int ret; struct device_node *np = dev->of_node; u32 reg; ddata = devm_kzalloc(dev, sizeof(struct stpmic1), GFP_KERNEL); if (!ddata) return -ENOMEM; i2c_set_clientdata(i2c, ddata); ddata->dev = dev; ddata->regmap = devm_regmap_init_i2c(i2c, &stpmic1_regmap_config); if (IS_ERR(ddata->regmap)) return PTR_ERR(ddata->regmap); ddata->irq = of_irq_get(np, STPMIC1_MAIN_IRQ); if (ddata->irq < 0) { dev_err(dev, "Failed to get main IRQ: %d\n", ddata->irq); return ddata->irq; } ret = regmap_read(ddata->regmap, VERSION_SR, ®); if (ret) { dev_err(dev, "Unable to read PMIC version\n"); return ret; } dev_info(dev, "PMIC Chip Version: 0x%x\n", reg); /* Initialize PMIC IRQ Chip & associated IRQ domains */ ret = devm_regmap_add_irq_chip(dev, ddata->regmap, ddata->irq, IRQF_ONESHOT | IRQF_SHARED, 0, &stpmic1_regmap_irq_chip, &ddata->irq_data); if (ret) { dev_err(dev, "IRQ Chip registration failed: %d\n", ret); return ret; } return devm_of_platform_populate(dev); } static int stpmic1_suspend(struct device *dev) { struct i2c_client *i2c = to_i2c_client(dev); struct stpmic1 *pmic_dev = i2c_get_clientdata(i2c); disable_irq(pmic_dev->irq); return 0; } static int stpmic1_resume(struct device *dev) { struct i2c_client *i2c = to_i2c_client(dev); struct stpmic1 *pmic_dev = i2c_get_clientdata(i2c); int ret; ret = regcache_sync(pmic_dev->regmap); if (ret) return ret; enable_irq(pmic_dev->irq); return 0; } static DEFINE_SIMPLE_DEV_PM_OPS(stpmic1_pm, stpmic1_suspend, stpmic1_resume); static const struct of_device_id stpmic1_of_match[] = { { .compatible = "st,stpmic1", }, {}, }; MODULE_DEVICE_TABLE(of, stpmic1_of_match); static struct i2c_driver stpmic1_driver = { .driver = { .name = "stpmic1", .of_match_table = of_match_ptr(stpmic1_of_match), .pm = pm_sleep_ptr(&stpmic1_pm), }, .probe_new = stpmic1_probe, }; module_i2c_driver(stpmic1_driver); MODULE_DESCRIPTION("STPMIC1 PMIC Driver"); MODULE_AUTHOR("Pascal Paillet <p.paillet@st.com>"); MODULE_LICENSE("GPL v2");
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