| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Qiao Zhou | 1890 | 79.28% | 1 | 5.88% |
| Chao Xie | 439 | 18.41% | 8 | 47.06% |
| Wolfram Sang | 20 | 0.84% | 1 | 5.88% |
| Yi Zhang | 16 | 0.67% | 2 | 11.76% |
| Axel Lin | 8 | 0.34% | 1 | 5.88% |
| Jingoo Han | 4 | 0.17% | 1 | 5.88% |
| Samuel Ortiz | 4 | 0.17% | 1 | 5.88% |
| Geert Uytterhoeven | 2 | 0.08% | 1 | 5.88% |
| Krzysztof Kozlowski | 1 | 0.04% | 1 | 5.88% |
| Total | 2384 | 17 |
/* * Base driver for Marvell 88PM800 * * Copyright (C) 2012 Marvell International Ltd. * Haojian Zhuang <haojian.zhuang@marvell.com> * Joseph(Yossi) Hanin <yhanin@marvell.com> * Qiao Zhou <zhouqiao@marvell.com> * * This file is subject to the terms and conditions of the GNU General * Public License. See the file "COPYING" in the main directory of this * archive for more details. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/err.h> #include <linux/i2c.h> #include <linux/mfd/core.h> #include <linux/mfd/88pm80x.h> #include <linux/slab.h> /* Interrupt Registers */ #define PM800_INT_STATUS1 (0x05) #define PM800_ONKEY_INT_STS1 (1 << 0) #define PM800_EXTON_INT_STS1 (1 << 1) #define PM800_CHG_INT_STS1 (1 << 2) #define PM800_BAT_INT_STS1 (1 << 3) #define PM800_RTC_INT_STS1 (1 << 4) #define PM800_CLASSD_OC_INT_STS1 (1 << 5) #define PM800_INT_STATUS2 (0x06) #define PM800_VBAT_INT_STS2 (1 << 0) #define PM800_VSYS_INT_STS2 (1 << 1) #define PM800_VCHG_INT_STS2 (1 << 2) #define PM800_TINT_INT_STS2 (1 << 3) #define PM800_GPADC0_INT_STS2 (1 << 4) #define PM800_TBAT_INT_STS2 (1 << 5) #define PM800_GPADC2_INT_STS2 (1 << 6) #define PM800_GPADC3_INT_STS2 (1 << 7) #define PM800_INT_STATUS3 (0x07) #define PM800_INT_STATUS4 (0x08) #define PM800_GPIO0_INT_STS4 (1 << 0) #define PM800_GPIO1_INT_STS4 (1 << 1) #define PM800_GPIO2_INT_STS4 (1 << 2) #define PM800_GPIO3_INT_STS4 (1 << 3) #define PM800_GPIO4_INT_STS4 (1 << 4) #define PM800_INT_ENA_1 (0x09) #define PM800_ONKEY_INT_ENA1 (1 << 0) #define PM800_EXTON_INT_ENA1 (1 << 1) #define PM800_CHG_INT_ENA1 (1 << 2) #define PM800_BAT_INT_ENA1 (1 << 3) #define PM800_RTC_INT_ENA1 (1 << 4) #define PM800_CLASSD_OC_INT_ENA1 (1 << 5) #define PM800_INT_ENA_2 (0x0A) #define PM800_VBAT_INT_ENA2 (1 << 0) #define PM800_VSYS_INT_ENA2 (1 << 1) #define PM800_VCHG_INT_ENA2 (1 << 2) #define PM800_TINT_INT_ENA2 (1 << 3) #define PM800_INT_ENA_3 (0x0B) #define PM800_GPADC0_INT_ENA3 (1 << 0) #define PM800_GPADC1_INT_ENA3 (1 << 1) #define PM800_GPADC2_INT_ENA3 (1 << 2) #define PM800_GPADC3_INT_ENA3 (1 << 3) #define PM800_GPADC4_INT_ENA3 (1 << 4) #define PM800_INT_ENA_4 (0x0C) #define PM800_GPIO0_INT_ENA4 (1 << 0) #define PM800_GPIO1_INT_ENA4 (1 << 1) #define PM800_GPIO2_INT_ENA4 (1 << 2) #define PM800_GPIO3_INT_ENA4 (1 << 3) #define PM800_GPIO4_INT_ENA4 (1 << 4) /* number of INT_ENA & INT_STATUS regs */ #define PM800_INT_REG_NUM (4) /* Interrupt Number in 88PM800 */ enum { PM800_IRQ_ONKEY, /*EN1b0 *//*0 */ PM800_IRQ_EXTON, /*EN1b1 */ PM800_IRQ_CHG, /*EN1b2 */ PM800_IRQ_BAT, /*EN1b3 */ PM800_IRQ_RTC, /*EN1b4 */ PM800_IRQ_CLASSD, /*EN1b5 *//*5 */ PM800_IRQ_VBAT, /*EN2b0 */ PM800_IRQ_VSYS, /*EN2b1 */ PM800_IRQ_VCHG, /*EN2b2 */ PM800_IRQ_TINT, /*EN2b3 */ PM800_IRQ_GPADC0, /*EN3b0 *//*10 */ PM800_IRQ_GPADC1, /*EN3b1 */ PM800_IRQ_GPADC2, /*EN3b2 */ PM800_IRQ_GPADC3, /*EN3b3 */ PM800_IRQ_GPADC4, /*EN3b4 */ PM800_IRQ_GPIO0, /*EN4b0 *//*15 */ PM800_IRQ_GPIO1, /*EN4b1 */ PM800_IRQ_GPIO2, /*EN4b2 */ PM800_IRQ_GPIO3, /*EN4b3 */ PM800_IRQ_GPIO4, /*EN4b4 *//*19 */ PM800_MAX_IRQ, }; /* PM800: generation identification number */ #define PM800_CHIP_GEN_ID_NUM 0x3 static const struct i2c_device_id pm80x_id_table[] = { {"88PM800", 0}, {} /* NULL terminated */ }; MODULE_DEVICE_TABLE(i2c, pm80x_id_table); static struct resource rtc_resources[] = { { .name = "88pm80x-rtc", .start = PM800_IRQ_RTC, .end = PM800_IRQ_RTC, .flags = IORESOURCE_IRQ, }, }; static struct mfd_cell rtc_devs[] = { { .name = "88pm80x-rtc", .num_resources = ARRAY_SIZE(rtc_resources), .resources = &rtc_resources[0], .id = -1, }, }; static struct resource onkey_resources[] = { { .name = "88pm80x-onkey", .start = PM800_IRQ_ONKEY, .end = PM800_IRQ_ONKEY, .flags = IORESOURCE_IRQ, }, }; static const struct mfd_cell onkey_devs[] = { { .name = "88pm80x-onkey", .num_resources = 1, .resources = &onkey_resources[0], .id = -1, }, }; static const struct mfd_cell regulator_devs[] = { { .name = "88pm80x-regulator", .id = -1, }, }; static const struct regmap_irq pm800_irqs[] = { /* INT0 */ [PM800_IRQ_ONKEY] = { .mask = PM800_ONKEY_INT_ENA1, }, [PM800_IRQ_EXTON] = { .mask = PM800_EXTON_INT_ENA1, }, [PM800_IRQ_CHG] = { .mask = PM800_CHG_INT_ENA1, }, [PM800_IRQ_BAT] = { .mask = PM800_BAT_INT_ENA1, }, [PM800_IRQ_RTC] = { .mask = PM800_RTC_INT_ENA1, }, [PM800_IRQ_CLASSD] = { .mask = PM800_CLASSD_OC_INT_ENA1, }, /* INT1 */ [PM800_IRQ_VBAT] = { .reg_offset = 1, .mask = PM800_VBAT_INT_ENA2, }, [PM800_IRQ_VSYS] = { .reg_offset = 1, .mask = PM800_VSYS_INT_ENA2, }, [PM800_IRQ_VCHG] = { .reg_offset = 1, .mask = PM800_VCHG_INT_ENA2, }, [PM800_IRQ_TINT] = { .reg_offset = 1, .mask = PM800_TINT_INT_ENA2, }, /* INT2 */ [PM800_IRQ_GPADC0] = { .reg_offset = 2, .mask = PM800_GPADC0_INT_ENA3, }, [PM800_IRQ_GPADC1] = { .reg_offset = 2, .mask = PM800_GPADC1_INT_ENA3, }, [PM800_IRQ_GPADC2] = { .reg_offset = 2, .mask = PM800_GPADC2_INT_ENA3, }, [PM800_IRQ_GPADC3] = { .reg_offset = 2, .mask = PM800_GPADC3_INT_ENA3, }, [PM800_IRQ_GPADC4] = { .reg_offset = 2, .mask = PM800_GPADC4_INT_ENA3, }, /* INT3 */ [PM800_IRQ_GPIO0] = { .reg_offset = 3, .mask = PM800_GPIO0_INT_ENA4, }, [PM800_IRQ_GPIO1] = { .reg_offset = 3, .mask = PM800_GPIO1_INT_ENA4, }, [PM800_IRQ_GPIO2] = { .reg_offset = 3, .mask = PM800_GPIO2_INT_ENA4, }, [PM800_IRQ_GPIO3] = { .reg_offset = 3, .mask = PM800_GPIO3_INT_ENA4, }, [PM800_IRQ_GPIO4] = { .reg_offset = 3, .mask = PM800_GPIO4_INT_ENA4, }, }; static int device_gpadc_init(struct pm80x_chip *chip, struct pm80x_platform_data *pdata) { struct pm80x_subchip *subchip = chip->subchip; struct regmap *map = subchip->regmap_gpadc; int data = 0, mask = 0, ret = 0; if (!map) { dev_warn(chip->dev, "Warning: gpadc regmap is not available!\n"); return -EINVAL; } /* * initialize GPADC without activating it turn on GPADC * measurments */ ret = regmap_update_bits(map, PM800_GPADC_MISC_CONFIG2, PM800_GPADC_MISC_GPFSM_EN, PM800_GPADC_MISC_GPFSM_EN); if (ret < 0) goto out; /* * This function configures the ADC as requires for * CP implementation.CP does not "own" the ADC configuration * registers and relies on AP. * Reason: enable automatic ADC measurements needed * for CP to get VBAT and RF temperature readings. */ ret = regmap_update_bits(map, PM800_GPADC_MEAS_EN1, PM800_MEAS_EN1_VBAT, PM800_MEAS_EN1_VBAT); if (ret < 0) goto out; ret = regmap_update_bits(map, PM800_GPADC_MEAS_EN2, (PM800_MEAS_EN2_RFTMP | PM800_MEAS_GP0_EN), (PM800_MEAS_EN2_RFTMP | PM800_MEAS_GP0_EN)); if (ret < 0) goto out; /* * the defult of PM800 is GPADC operates at 100Ks/s rate * and Number of GPADC slots with active current bias prior * to GPADC sampling = 1 slot for all GPADCs set for * Temprature mesurmants */ mask = (PM800_GPADC_GP_BIAS_EN0 | PM800_GPADC_GP_BIAS_EN1 | PM800_GPADC_GP_BIAS_EN2 | PM800_GPADC_GP_BIAS_EN3); if (pdata && (pdata->batt_det == 0)) data = (PM800_GPADC_GP_BIAS_EN0 | PM800_GPADC_GP_BIAS_EN1 | PM800_GPADC_GP_BIAS_EN2 | PM800_GPADC_GP_BIAS_EN3); else data = (PM800_GPADC_GP_BIAS_EN0 | PM800_GPADC_GP_BIAS_EN2 | PM800_GPADC_GP_BIAS_EN3); ret = regmap_update_bits(map, PM800_GP_BIAS_ENA1, mask, data); if (ret < 0) goto out; dev_info(chip->dev, "pm800 device_gpadc_init: Done\n"); return 0; out: dev_info(chip->dev, "pm800 device_gpadc_init: Failed!\n"); return ret; } static int device_onkey_init(struct pm80x_chip *chip, struct pm80x_platform_data *pdata) { int ret; ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0], ARRAY_SIZE(onkey_devs), &onkey_resources[0], 0, NULL); if (ret) { dev_err(chip->dev, "Failed to add onkey subdev\n"); return ret; } return 0; } static int device_rtc_init(struct pm80x_chip *chip, struct pm80x_platform_data *pdata) { int ret; if (pdata) { rtc_devs[0].platform_data = pdata->rtc; rtc_devs[0].pdata_size = pdata->rtc ? sizeof(struct pm80x_rtc_pdata) : 0; } ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0], ARRAY_SIZE(rtc_devs), NULL, 0, NULL); if (ret) { dev_err(chip->dev, "Failed to add rtc subdev\n"); return ret; } return 0; } static int device_regulator_init(struct pm80x_chip *chip, struct pm80x_platform_data *pdata) { int ret; ret = mfd_add_devices(chip->dev, 0, ®ulator_devs[0], ARRAY_SIZE(regulator_devs), NULL, 0, NULL); if (ret) { dev_err(chip->dev, "Failed to add regulator subdev\n"); return ret; } return 0; } static int device_irq_init_800(struct pm80x_chip *chip) { struct regmap *map = chip->regmap; unsigned long flags = IRQF_ONESHOT; int data, mask, ret = -EINVAL; if (!map || !chip->irq) { dev_err(chip->dev, "incorrect parameters\n"); return -EINVAL; } /* * irq_mode defines the way of clearing interrupt. it's read-clear by * default. */ mask = PM800_WAKEUP2_INV_INT | PM800_WAKEUP2_INT_CLEAR | PM800_WAKEUP2_INT_MASK; data = PM800_WAKEUP2_INT_CLEAR; ret = regmap_update_bits(map, PM800_WAKEUP2, mask, data); if (ret < 0) goto out; ret = regmap_add_irq_chip(chip->regmap, chip->irq, flags, -1, chip->regmap_irq_chip, &chip->irq_data); out: return ret; } static void device_irq_exit_800(struct pm80x_chip *chip) { regmap_del_irq_chip(chip->irq, chip->irq_data); } static struct regmap_irq_chip pm800_irq_chip = { .name = "88pm800", .irqs = pm800_irqs, .num_irqs = ARRAY_SIZE(pm800_irqs), .num_regs = 4, .status_base = PM800_INT_STATUS1, .mask_base = PM800_INT_ENA_1, .ack_base = PM800_INT_STATUS1, .mask_invert = 1, }; static int pm800_pages_init(struct pm80x_chip *chip) { struct pm80x_subchip *subchip; struct i2c_client *client = chip->client; int ret = 0; subchip = chip->subchip; if (!subchip || !subchip->power_page_addr || !subchip->gpadc_page_addr) return -ENODEV; /* PM800 block power page */ subchip->power_page = i2c_new_dummy_device(client->adapter, subchip->power_page_addr); if (IS_ERR(subchip->power_page)) { ret = PTR_ERR(subchip->power_page); goto out; } subchip->regmap_power = devm_regmap_init_i2c(subchip->power_page, &pm80x_regmap_config); if (IS_ERR(subchip->regmap_power)) { ret = PTR_ERR(subchip->regmap_power); dev_err(chip->dev, "Failed to allocate regmap_power: %d\n", ret); goto out; } i2c_set_clientdata(subchip->power_page, chip); /* PM800 block GPADC */ subchip->gpadc_page = i2c_new_dummy_device(client->adapter, subchip->gpadc_page_addr); if (IS_ERR(subchip->gpadc_page)) { ret = PTR_ERR(subchip->gpadc_page); goto out; } subchip->regmap_gpadc = devm_regmap_init_i2c(subchip->gpadc_page, &pm80x_regmap_config); if (IS_ERR(subchip->regmap_gpadc)) { ret = PTR_ERR(subchip->regmap_gpadc); dev_err(chip->dev, "Failed to allocate regmap_gpadc: %d\n", ret); goto out; } i2c_set_clientdata(subchip->gpadc_page, chip); out: return ret; } static void pm800_pages_exit(struct pm80x_chip *chip) { struct pm80x_subchip *subchip; subchip = chip->subchip; if (subchip && subchip->power_page) i2c_unregister_device(subchip->power_page); if (subchip && subchip->gpadc_page) i2c_unregister_device(subchip->gpadc_page); } static int device_800_init(struct pm80x_chip *chip, struct pm80x_platform_data *pdata) { int ret; unsigned int val; /* * alarm wake up bit will be clear in device_irq_init(), * read before that */ ret = regmap_read(chip->regmap, PM800_RTC_CONTROL, &val); if (ret < 0) { dev_err(chip->dev, "Failed to read RTC register: %d\n", ret); goto out; } if (val & PM800_ALARM_WAKEUP) { if (pdata && pdata->rtc) pdata->rtc->rtc_wakeup = 1; } ret = device_gpadc_init(chip, pdata); if (ret < 0) { dev_err(chip->dev, "[%s]Failed to init gpadc\n", __func__); goto out; } chip->regmap_irq_chip = &pm800_irq_chip; ret = device_irq_init_800(chip); if (ret < 0) { dev_err(chip->dev, "[%s]Failed to init pm800 irq\n", __func__); goto out; } ret = device_onkey_init(chip, pdata); if (ret) { dev_err(chip->dev, "Failed to add onkey subdev\n"); goto out_dev; } ret = device_rtc_init(chip, pdata); if (ret) { dev_err(chip->dev, "Failed to add rtc subdev\n"); goto out; } ret = device_regulator_init(chip, pdata); if (ret) { dev_err(chip->dev, "Failed to add regulators subdev\n"); goto out; } return 0; out_dev: mfd_remove_devices(chip->dev); device_irq_exit_800(chip); out: return ret; } static int pm800_probe(struct i2c_client *client, const struct i2c_device_id *id) { int ret = 0; struct pm80x_chip *chip; struct pm80x_platform_data *pdata = dev_get_platdata(&client->dev); struct pm80x_subchip *subchip; ret = pm80x_init(client); if (ret) { dev_err(&client->dev, "pm800_init fail\n"); goto out_init; } chip = i2c_get_clientdata(client); /* init subchip for PM800 */ subchip = devm_kzalloc(&client->dev, sizeof(struct pm80x_subchip), GFP_KERNEL); if (!subchip) { ret = -ENOMEM; goto err_subchip_alloc; } /* pm800 has 2 addtional pages to support power and gpadc. */ subchip->power_page_addr = client->addr + 1; subchip->gpadc_page_addr = client->addr + 2; chip->subchip = subchip; ret = pm800_pages_init(chip); if (ret) { dev_err(&client->dev, "pm800_pages_init failed!\n"); goto err_device_init; } ret = device_800_init(chip, pdata); if (ret) { dev_err(chip->dev, "Failed to initialize 88pm800 devices\n"); goto err_device_init; } if (pdata && pdata->plat_config) pdata->plat_config(chip, pdata); return 0; err_device_init: pm800_pages_exit(chip); err_subchip_alloc: pm80x_deinit(); out_init: return ret; } static int pm800_remove(struct i2c_client *client) { struct pm80x_chip *chip = i2c_get_clientdata(client); mfd_remove_devices(chip->dev); device_irq_exit_800(chip); pm800_pages_exit(chip); pm80x_deinit(); return 0; } static struct i2c_driver pm800_driver = { .driver = { .name = "88PM800", .pm = &pm80x_pm_ops, }, .probe = pm800_probe, .remove = pm800_remove, .id_table = pm80x_id_table, }; static int __init pm800_i2c_init(void) { return i2c_add_driver(&pm800_driver); } subsys_initcall(pm800_i2c_init); static void __exit pm800_i2c_exit(void) { i2c_del_driver(&pm800_driver); } module_exit(pm800_i2c_exit); MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM800"); MODULE_AUTHOR("Qiao Zhou <zhouqiao@marvell.com>"); MODULE_LICENSE("GPL");
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