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Release 4.11 drivers/mfd/palmas.c

Directory: drivers/mfd
/*
 * TI Palmas MFD Driver
 *
 * Copyright 2011-2012 Texas Instruments Inc.
 *
 * Author: Graeme Gregory <gg@slimlogic.co.uk>
 *
 *  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/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/regmap.h>
#include <linux/err.h>
#include <linux/mfd/core.h>
#include <linux/mfd/palmas.h>
#include <linux/of_device.h>


static const struct regmap_config palmas_regmap_config[PALMAS_NUM_CLIENTS] = {
	{
		.reg_bits = 8,
		.val_bits = 8,
		.max_register = PALMAS_BASE_TO_REG(PALMAS_PU_PD_OD_BASE,
					PALMAS_PRIMARY_SECONDARY_PAD3),
        },
	{
		.reg_bits = 8,
		.val_bits = 8,
		.max_register = PALMAS_BASE_TO_REG(PALMAS_GPADC_BASE,
					PALMAS_GPADC_SMPS_VSEL_MONITORING),
        },
	{
		.reg_bits = 8,
		.val_bits = 8,
		.max_register = PALMAS_BASE_TO_REG(PALMAS_TRIM_GPADC_BASE,
					PALMAS_GPADC_TRIM16),
        },
};


static const struct regmap_irq tps65917_irqs[] = {
	/* INT1 IRQs */
	[TPS65917_RESERVED1] = {
		.mask = TPS65917_RESERVED,
        },
	[TPS65917_PWRON_IRQ] = {
		.mask = TPS65917_INT1_STATUS_PWRON,
        },
	[TPS65917_LONG_PRESS_KEY_IRQ] = {
		.mask = TPS65917_INT1_STATUS_LONG_PRESS_KEY,
        },
	[TPS65917_RESERVED2] = {
		.mask = TPS65917_RESERVED,
        },
	[TPS65917_PWRDOWN_IRQ] = {
		.mask = TPS65917_INT1_STATUS_PWRDOWN,
        },
	[TPS65917_HOTDIE_IRQ] = {
		.mask = TPS65917_INT1_STATUS_HOTDIE,
        },
	[TPS65917_VSYS_MON_IRQ] = {
		.mask = TPS65917_INT1_STATUS_VSYS_MON,
        },
	[TPS65917_RESERVED3] = {
		.mask = TPS65917_RESERVED,
        },
	/* INT2 IRQs*/
	[TPS65917_RESERVED4] = {
		.mask = TPS65917_RESERVED,
		.reg_offset = 1,
        },
	[TPS65917_OTP_ERROR_IRQ] = {
		.mask = TPS65917_INT2_STATUS_OTP_ERROR,
		.reg_offset = 1,
        },
	[TPS65917_WDT_IRQ] = {
		.mask = TPS65917_INT2_STATUS_WDT,
		.reg_offset = 1,
        },
	[TPS65917_RESERVED5] = {
		.mask = TPS65917_RESERVED,
		.reg_offset = 1,
        },
	[TPS65917_RESET_IN_IRQ] = {
		.mask = TPS65917_INT2_STATUS_RESET_IN,
		.reg_offset = 1,
        },
	[TPS65917_FSD_IRQ] = {
		.mask = TPS65917_INT2_STATUS_FSD,
		.reg_offset = 1,
        },
	[TPS65917_SHORT_IRQ] = {
		.mask = TPS65917_INT2_STATUS_SHORT,
		.reg_offset = 1,
        },
	[TPS65917_RESERVED6] = {
		.mask = TPS65917_RESERVED,
		.reg_offset = 1,
        },
	/* INT3 IRQs */
	[TPS65917_GPADC_AUTO_0_IRQ] = {
		.mask = TPS65917_INT3_STATUS_GPADC_AUTO_0,
		.reg_offset = 2,
        },
	[TPS65917_GPADC_AUTO_1_IRQ] = {
		.mask = TPS65917_INT3_STATUS_GPADC_AUTO_1,
		.reg_offset = 2,
        },
	[TPS65917_GPADC_EOC_SW_IRQ] = {
		.mask = TPS65917_INT3_STATUS_GPADC_EOC_SW,
		.reg_offset = 2,
        },
	[TPS65917_RESREVED6] = {
		.mask = TPS65917_RESERVED6,
		.reg_offset = 2,
        },
	[TPS65917_RESERVED7] = {
		.mask = TPS65917_RESERVED,
		.reg_offset = 2,
        },
	[TPS65917_RESERVED8] = {
		.mask = TPS65917_RESERVED,
		.reg_offset = 2,
        },
	[TPS65917_RESERVED9] = {
		.mask = TPS65917_RESERVED,
		.reg_offset = 2,
        },
	[TPS65917_VBUS_IRQ] = {
		.mask = TPS65917_INT3_STATUS_VBUS,
		.reg_offset = 2,
        },
	/* INT4 IRQs */
	[TPS65917_GPIO_0_IRQ] = {
		.mask = TPS65917_INT4_STATUS_GPIO_0,
		.reg_offset = 3,
        },
	[TPS65917_GPIO_1_IRQ] = {
		.mask = TPS65917_INT4_STATUS_GPIO_1,
		.reg_offset = 3,
        },
	[TPS65917_GPIO_2_IRQ] = {
		.mask = TPS65917_INT4_STATUS_GPIO_2,
		.reg_offset = 3,
        },
	[TPS65917_GPIO_3_IRQ] = {
		.mask = TPS65917_INT4_STATUS_GPIO_3,
		.reg_offset = 3,
        },
	[TPS65917_GPIO_4_IRQ] = {
		.mask = TPS65917_INT4_STATUS_GPIO_4,
		.reg_offset = 3,
        },
	[TPS65917_GPIO_5_IRQ] = {
		.mask = TPS65917_INT4_STATUS_GPIO_5,
		.reg_offset = 3,
        },
	[TPS65917_GPIO_6_IRQ] = {
		.mask = TPS65917_INT4_STATUS_GPIO_6,
		.reg_offset = 3,
        },
	[TPS65917_RESERVED10] = {
		.mask = TPS65917_RESERVED10,
		.reg_offset = 3,
        },
};


static const struct regmap_irq palmas_irqs[] = {
	/* INT1 IRQs */
	[PALMAS_CHARG_DET_N_VBUS_OVV_IRQ] = {
		.mask = PALMAS_INT1_STATUS_CHARG_DET_N_VBUS_OVV,
        },
	[PALMAS_PWRON_IRQ] = {
		.mask = PALMAS_INT1_STATUS_PWRON,
        },
	[PALMAS_LONG_PRESS_KEY_IRQ] = {
		.mask = PALMAS_INT1_STATUS_LONG_PRESS_KEY,
        },
	[PALMAS_RPWRON_IRQ] = {
		.mask = PALMAS_INT1_STATUS_RPWRON,
        },
	[PALMAS_PWRDOWN_IRQ] = {
		.mask = PALMAS_INT1_STATUS_PWRDOWN,
        },
	[PALMAS_HOTDIE_IRQ] = {
		.mask = PALMAS_INT1_STATUS_HOTDIE,
        },
	[PALMAS_VSYS_MON_IRQ] = {
		.mask = PALMAS_INT1_STATUS_VSYS_MON,
        },
	[PALMAS_VBAT_MON_IRQ] = {
		.mask = PALMAS_INT1_STATUS_VBAT_MON,
        },
	/* INT2 IRQs*/
	[PALMAS_RTC_ALARM_IRQ] = {
		.mask = PALMAS_INT2_STATUS_RTC_ALARM,
		.reg_offset = 1,
        },
	[PALMAS_RTC_TIMER_IRQ] = {
		.mask = PALMAS_INT2_STATUS_RTC_TIMER,
		.reg_offset = 1,
        },
	[PALMAS_WDT_IRQ] = {
		.mask = PALMAS_INT2_STATUS_WDT,
		.reg_offset = 1,
        },
	[PALMAS_BATREMOVAL_IRQ] = {
		.mask = PALMAS_INT2_STATUS_BATREMOVAL,
		.reg_offset = 1,
        },
	[PALMAS_RESET_IN_IRQ] = {
		.mask = PALMAS_INT2_STATUS_RESET_IN,
		.reg_offset = 1,
        },
	[PALMAS_FBI_BB_IRQ] = {
		.mask = PALMAS_INT2_STATUS_FBI_BB,
		.reg_offset = 1,
        },
	[PALMAS_SHORT_IRQ] = {
		.mask = PALMAS_INT2_STATUS_SHORT,
		.reg_offset = 1,
        },
	[PALMAS_VAC_ACOK_IRQ] = {
		.mask = PALMAS_INT2_STATUS_VAC_ACOK,
		.reg_offset = 1,
        },
	/* INT3 IRQs */
	[PALMAS_GPADC_AUTO_0_IRQ] = {
		.mask = PALMAS_INT3_STATUS_GPADC_AUTO_0,
		.reg_offset = 2,
        },
	[PALMAS_GPADC_AUTO_1_IRQ] = {
		.mask = PALMAS_INT3_STATUS_GPADC_AUTO_1,
		.reg_offset = 2,
        },
	[PALMAS_GPADC_EOC_SW_IRQ] = {
		.mask = PALMAS_INT3_STATUS_GPADC_EOC_SW,
		.reg_offset = 2,
        },
	[PALMAS_GPADC_EOC_RT_IRQ] = {
		.mask = PALMAS_INT3_STATUS_GPADC_EOC_RT,
		.reg_offset = 2,
        },
	[PALMAS_ID_OTG_IRQ] = {
		.mask = PALMAS_INT3_STATUS_ID_OTG,
		.reg_offset = 2,
        },
	[PALMAS_ID_IRQ] = {
		.mask = PALMAS_INT3_STATUS_ID,
		.reg_offset = 2,
        },
	[PALMAS_VBUS_OTG_IRQ] = {
		.mask = PALMAS_INT3_STATUS_VBUS_OTG,
		.reg_offset = 2,
        },
	[PALMAS_VBUS_IRQ] = {
		.mask = PALMAS_INT3_STATUS_VBUS,
		.reg_offset = 2,
        },
	/* INT4 IRQs */
	[PALMAS_GPIO_0_IRQ] = {
		.mask = PALMAS_INT4_STATUS_GPIO_0,
		.reg_offset = 3,
        },
	[PALMAS_GPIO_1_IRQ] = {
		.mask = PALMAS_INT4_STATUS_GPIO_1,
		.reg_offset = 3,
        },
	[PALMAS_GPIO_2_IRQ] = {
		.mask = PALMAS_INT4_STATUS_GPIO_2,
		.reg_offset = 3,
        },
	[PALMAS_GPIO_3_IRQ] = {
		.mask = PALMAS_INT4_STATUS_GPIO_3,
		.reg_offset = 3,
        },
	[PALMAS_GPIO_4_IRQ] = {
		.mask = PALMAS_INT4_STATUS_GPIO_4,
		.reg_offset = 3,
        },
	[PALMAS_GPIO_5_IRQ] = {
		.mask = PALMAS_INT4_STATUS_GPIO_5,
		.reg_offset = 3,
        },
	[PALMAS_GPIO_6_IRQ] = {
		.mask = PALMAS_INT4_STATUS_GPIO_6,
		.reg_offset = 3,
        },
	[PALMAS_GPIO_7_IRQ] = {
		.mask = PALMAS_INT4_STATUS_GPIO_7,
		.reg_offset = 3,
        },
};


static struct regmap_irq_chip palmas_irq_chip = {
	.name = "palmas",
	.irqs = palmas_irqs,
	.num_irqs = ARRAY_SIZE(palmas_irqs),

	.num_regs = 4,
	.irq_reg_stride = 5,
	.status_base = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE,
			PALMAS_INT1_STATUS),
	.mask_base = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE,
			PALMAS_INT1_MASK),
};


static struct regmap_irq_chip tps65917_irq_chip = {
	.name = "tps65917",
	.irqs = tps65917_irqs,
	.num_irqs = ARRAY_SIZE(tps65917_irqs),

	.num_regs = 4,
	.irq_reg_stride = 5,
	.status_base = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE,
			PALMAS_INT1_STATUS),
	.mask_base = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE,
			PALMAS_INT1_MASK),
};


int palmas_ext_control_req_config(struct palmas *palmas, enum palmas_external_requestor_id id, int ext_ctrl, bool enable) { struct palmas_pmic_driver_data *pmic_ddata = palmas->pmic_ddata; int preq_mask_bit = 0; int reg_add = 0; int bit_pos, ret; if (!(ext_ctrl & PALMAS_EXT_REQ)) return 0; if (id >= PALMAS_EXTERNAL_REQSTR_ID_MAX) return 0; if (ext_ctrl & PALMAS_EXT_CONTROL_NSLEEP) { reg_add = PALMAS_NSLEEP_RES_ASSIGN; preq_mask_bit = 0; } else if (ext_ctrl & PALMAS_EXT_CONTROL_ENABLE1) { reg_add = PALMAS_ENABLE1_RES_ASSIGN; preq_mask_bit = 1; } else if (ext_ctrl & PALMAS_EXT_CONTROL_ENABLE2) { reg_add = PALMAS_ENABLE2_RES_ASSIGN; preq_mask_bit = 2; } bit_pos = pmic_ddata->sleep_req_info[id].bit_pos; reg_add += pmic_ddata->sleep_req_info[id].reg_offset; if (enable) ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE, reg_add, BIT(bit_pos), BIT(bit_pos)); else ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE, reg_add, BIT(bit_pos), 0); if (ret < 0) { dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n", reg_add, ret); return ret; } /* Unmask the PREQ */ ret = palmas_update_bits(palmas, PALMAS_PMU_CONTROL_BASE, PALMAS_POWER_CTRL, BIT(preq_mask_bit), 0); if (ret < 0) { dev_err(palmas->dev, "POWER_CTRL register update failed %d\n", ret); return ret; } return ret; }

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EXPORT_SYMBOL_GPL(palmas_ext_control_req_config);
static int palmas_set_pdata_irq_flag(struct i2c_client *i2c, struct palmas_platform_data *pdata) { struct irq_data *irq_data = irq_get_irq_data(i2c->irq); if (!irq_data) { dev_err(&i2c->dev, "Invalid IRQ: %d\n", i2c->irq); return -EINVAL; } pdata->irq_flags = irqd_get_trigger_type(irq_data); dev_info(&i2c->dev, "Irq flag is 0x%08x\n", pdata->irq_flags); return 0; }

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static void palmas_dt_to_pdata(struct i2c_client *i2c, struct palmas_platform_data *pdata) { struct device_node *node = i2c->dev.of_node; int ret; u32 prop; ret = of_property_read_u32(node, "ti,mux-pad1", &prop); if (!ret) { pdata->mux_from_pdata = 1; pdata->pad1 = prop; } ret = of_property_read_u32(node, "ti,mux-pad2", &prop); if (!ret) { pdata->mux_from_pdata = 1; pdata->pad2 = prop; } /* The default for this register is all masked */ ret = of_property_read_u32(node, "ti,power-ctrl", &prop); if (!ret) pdata->power_ctrl = prop; else pdata->power_ctrl = PALMAS_POWER_CTRL_NSLEEP_MASK | PALMAS_POWER_CTRL_ENABLE1_MASK | PALMAS_POWER_CTRL_ENABLE2_MASK; if (i2c->irq) palmas_set_pdata_irq_flag(i2c, pdata); pdata->pm_off = of_property_read_bool(node, "ti,system-power-controller"); }

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static struct palmas *palmas_dev;
static void palmas_power_off(void) { unsigned int addr; int ret, slave; slave = PALMAS_BASE_TO_SLAVE(PALMAS_PMU_CONTROL_BASE); addr = PALMAS_BASE_TO_REG(PALMAS_PMU_CONTROL_BASE, PALMAS_DEV_CTRL); ret = regmap_update_bits( palmas_dev->regmap[slave], addr, PALMAS_DEV_CTRL_DEV_ON, 0); if (ret) pr_err("%s: Unable to write to DEV_CTRL_DEV_ON: %d\n", __func__, ret); }

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static unsigned int palmas_features = PALMAS_PMIC_FEATURE_SMPS10_BOOST; static unsigned int tps659038_features; struct palmas_driver_data { unsigned int *features; struct regmap_irq_chip *irq_chip; }; static struct palmas_driver_data palmas_data = { .features = &palmas_features, .irq_chip = &palmas_irq_chip, }; static struct palmas_driver_data tps659038_data = { .features = &tps659038_features, .irq_chip = &palmas_irq_chip, }; static struct palmas_driver_data tps65917_data = { .features = &tps659038_features, .irq_chip = &tps65917_irq_chip, }; static const struct of_device_id of_palmas_match_tbl[] = { { .compatible = "ti,palmas", .data = &palmas_data, }, { .compatible = "ti,tps659038", .data = &tps659038_data, }, { .compatible = "ti,tps65917", .data = &tps65917_data, }, { }, }; MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);
static int palmas_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct palmas *palmas; struct palmas_platform_data *pdata; struct palmas_driver_data *driver_data; struct device_node *node = i2c->dev.of_node; int ret = 0, i; unsigned int reg, addr; int slave; const struct of_device_id *match; pdata = dev_get_platdata(&i2c->dev); if (node && !pdata) { pdata = devm_kzalloc(&i2c->dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) return -ENOMEM; palmas_dt_to_pdata(i2c, pdata); } if (!pdata) return -EINVAL; palmas = devm_kzalloc(&i2c->dev, sizeof(struct palmas), GFP_KERNEL); if (palmas == NULL) return -ENOMEM; i2c_set_clientdata(i2c, palmas); palmas->dev = &i2c->dev; palmas->irq = i2c->irq; match = of_match_device(of_palmas_match_tbl, &i2c->dev); if (!match) return -ENODATA; driver_data = (struct palmas_driver_data *)match->data; palmas->features = *driver_data->features; for (i = 0; i < PALMAS_NUM_CLIENTS; i++) { if (i == 0) palmas->i2c_clients[i] = i2c; else { palmas->i2c_clients[i] = i2c_new_dummy(i2c->adapter, i2c->addr + i); if (!palmas->i2c_clients[i]) { dev_err(palmas->dev, "can't attach client %d\n", i); ret = -ENOMEM; goto err_i2c; } palmas->i2c_clients[i]->dev.of_node = of_node_get(node); } palmas->regmap[i] = devm_regmap_init_i2c(palmas->i2c_clients[i], &palmas_regmap_config[i]); if (IS_ERR(palmas->regmap[i])) { ret = PTR_ERR(palmas->regmap[i]); dev_err(palmas->dev, "Failed to allocate regmap %d, err: %d\n", i, ret); goto err_i2c; } } if (!palmas->irq) { dev_warn(palmas->dev, "IRQ missing: skipping irq request\n"); goto no_irq; } /* Change interrupt line output polarity */ if (pdata->irq_flags & IRQ_TYPE_LEVEL_HIGH) reg = PALMAS_POLARITY_CTRL_INT_POLARITY; else reg = 0; ret = palmas_update_bits(palmas, PALMAS_PU_PD_OD_BASE, PALMAS_POLARITY_CTRL, PALMAS_POLARITY_CTRL_INT_POLARITY, reg); if (ret < 0) { dev_err(palmas->dev, "POLARITY_CTRL updat failed: %d\n", ret); goto err_i2c; } /* Change IRQ into clear on read mode for efficiency */ slave = PALMAS_BASE_TO_SLAVE(PALMAS_INTERRUPT_BASE); addr = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE, PALMAS_INT_CTRL); reg = PALMAS_INT_CTRL_INT_CLEAR; regmap_write(palmas->regmap[slave], addr, reg); ret = regmap_add_irq_chip(palmas->regmap[slave], palmas->irq, IRQF_ONESHOT | pdata->irq_flags, 0, driver_data->irq_chip, &palmas->irq_data); if (ret < 0) goto err_i2c; no_irq: slave = PALMAS_BASE_TO_SLAVE(PALMAS_PU_PD_OD_BASE); addr = PALMAS_BASE_TO_REG(PALMAS_PU_PD_OD_BASE, PALMAS_PRIMARY_SECONDARY_PAD1); if (pdata->mux_from_pdata) { reg = pdata->pad1; ret = regmap_write(palmas->regmap[slave], addr, reg); if (ret) goto err_irq; } else { ret = regmap_read(palmas->regmap[slave], addr, &reg); if (ret) goto err_irq; } if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_0)) palmas->gpio_muxed |= PALMAS_GPIO_0_MUXED; if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK)) palmas->gpio_muxed |= PALMAS_GPIO_1_MUXED; else if ((reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK) == (2 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_SHIFT)) palmas->led_muxed |= PALMAS_LED1_MUXED; else if ((reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK) == (3 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_SHIFT)) palmas->pwm_muxed |= PALMAS_PWM1_MUXED; if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_MASK)) palmas->gpio_muxed |= PALMAS_GPIO_2_MUXED; else if ((reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_MASK) == (2 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_SHIFT)) palmas->led_muxed |= PALMAS_LED2_MUXED; else if ((reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_MASK) == (3 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_SHIFT)) palmas->pwm_muxed |= PALMAS_PWM2_MUXED; if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_3)) palmas->gpio_muxed |= PALMAS_GPIO_3_MUXED; addr = PALMAS_BASE_TO_REG(PALMAS_PU_PD_OD_BASE, PALMAS_PRIMARY_SECONDARY_PAD2); if (pdata->mux_from_pdata) { reg = pdata->pad2; ret = regmap_write(palmas->regmap[slave], addr, reg); if (ret) goto err_irq; } else { ret = regmap_read(palmas->regmap[slave], addr, &reg); if (ret) goto err_irq; } if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD2_GPIO_4)) palmas->gpio_muxed |= PALMAS_GPIO_4_MUXED; if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD2_GPIO_5_MASK)) palmas->gpio_muxed |= PALMAS_GPIO_5_MUXED; if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD2_GPIO_6)) palmas->gpio_muxed |= PALMAS_GPIO_6_MUXED; if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD2_GPIO_7_MASK)) palmas->gpio_muxed |= PALMAS_GPIO_7_MUXED; dev_info(palmas->dev, "Muxing GPIO %x, PWM %x, LED %x\n", palmas->gpio_muxed, palmas->pwm_muxed, palmas->led_muxed); reg = pdata->power_ctrl; slave = PALMAS_BASE_TO_SLAVE(PALMAS_PMU_CONTROL_BASE); addr = PALMAS_BASE_TO_REG(PALMAS_PMU_CONTROL_BASE, PALMAS_POWER_CTRL); ret = regmap_write(palmas->regmap[slave], addr, reg); if (ret) goto err_irq; /* * If we are probing with DT do this the DT way and return here * otherwise continue and add devices using mfd helpers. */ if (node) { ret = of_platform_populate(node, NULL, NULL, &i2c->dev); if (ret < 0) { goto err_irq; } else if (pdata->pm_off && !pm_power_off) { palmas_dev = palmas; pm_power_off = palmas_power_off; } } return ret; err_irq: regmap_del_irq_chip(palmas->irq, palmas->irq_data); err_i2c: for (i = 1; i < PALMAS_NUM_CLIENTS; i++) { if (palmas->i2c_clients[i]) i2c_unregister_device(palmas->i2c_clients[i]); } return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Graeme Gregory86080.22%541.67%
Laxman Dewangan11310.54%325.00%
J Keerthy777.18%325.00%
Bill Huang222.05%18.33%
Total1072100.00%12100.00%


static int palmas_i2c_remove(struct i2c_client *i2c) { struct palmas *palmas = i2c_get_clientdata(i2c); int i; regmap_del_irq_chip(palmas->irq, palmas->irq_data); for (i = 1; i < PALMAS_NUM_CLIENTS; i++) { if (palmas->i2c_clients[i]) i2c_unregister_device(palmas->i2c_clients[i]); } if (palmas == palmas_dev) { pm_power_off = NULL; palmas_dev = NULL; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Laxman Dewangan5360.23%266.67%
Graeme Gregory3539.77%133.33%
Total88100.00%3100.00%

static const struct i2c_device_id palmas_i2c_id[] = { { "palmas", }, { "twl6035", }, { "twl6037", }, { "tps65913", }, { /* end */ } }; MODULE_DEVICE_TABLE(i2c, palmas_i2c_id); static struct i2c_driver palmas_i2c_driver = { .driver = { .name = "palmas", .of_match_table = of_palmas_match_tbl, }, .probe = palmas_i2c_probe, .remove = palmas_i2c_remove, .id_table = palmas_i2c_id, };
static int __init palmas_i2c_init(void) { return i2c_add_driver(&palmas_i2c_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Graeme Gregory16100.00%1100.00%
Total16100.00%1100.00%

/* init early so consumer devices can complete system boot */ subsys_initcall(palmas_i2c_init);
static void __exit palmas_i2c_exit(void) { i2c_del_driver(&palmas_i2c_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Graeme Gregory15100.00%1100.00%
Total15100.00%1100.00%

module_exit(palmas_i2c_exit); MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>"); MODULE_DESCRIPTION("Palmas chip family multi-function driver"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
Graeme Gregory178756.16%526.32%
J Keerthy76924.17%631.58%
Laxman Dewangan51816.28%631.58%
Bill Huang1033.24%15.26%
Axel Lin50.16%15.26%
Total3182100.00%19100.00%
Directory: drivers/mfd
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