diff options
Diffstat (limited to 'drivers/mfd/palmas.c')
| -rw-r--r-- | drivers/mfd/palmas.c | 99 |
1 files changed, 40 insertions, 59 deletions
diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c index 3922a93f9f92..7fc886f4f80e 100644 --- a/drivers/mfd/palmas.c +++ b/drivers/mfd/palmas.c @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * 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> @@ -23,7 +18,8 @@ #include <linux/err.h> #include <linux/mfd/core.h> #include <linux/mfd/palmas.h> -#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/of_platform.h> static const struct regmap_config palmas_regmap_config[PALMAS_NUM_CLIENTS] = { { @@ -300,7 +296,7 @@ static const struct regmap_irq palmas_irqs[] = { }, }; -static struct regmap_irq_chip palmas_irq_chip = { +static const struct regmap_irq_chip palmas_irq_chip = { .name = "palmas", .irqs = palmas_irqs, .num_irqs = ARRAY_SIZE(palmas_irqs), @@ -313,7 +309,7 @@ static struct regmap_irq_chip palmas_irq_chip = { PALMAS_INT1_MASK), }; -static struct regmap_irq_chip tps65917_irq_chip = { +static const struct regmap_irq_chip tps65917_irq_chip = { .name = "tps65917", .irqs = tps65917_irqs, .num_irqs = ARRAY_SIZE(tps65917_irqs), @@ -430,6 +426,7 @@ static void palmas_power_off(void) { unsigned int addr; int ret, slave; + u8 powerhold_mask; struct device_node *np = palmas_dev->dev->of_node; if (of_property_read_bool(np, "ti,palmas-override-powerhold")) { @@ -437,8 +434,15 @@ static void palmas_power_off(void) PALMAS_PRIMARY_SECONDARY_PAD2); slave = PALMAS_BASE_TO_SLAVE(PALMAS_PU_PD_OD_BASE); + if (of_device_is_compatible(np, "ti,tps65917")) + powerhold_mask = + TPS65917_PRIMARY_SECONDARY_PAD2_GPIO_5_MASK; + else + powerhold_mask = + PALMAS_PRIMARY_SECONDARY_PAD2_GPIO_7_MASK; + ret = regmap_update_bits(palmas_dev->regmap[slave], addr, - PALMAS_PRIMARY_SECONDARY_PAD2_GPIO_7_MASK, 0); + powerhold_mask, 0); if (ret) dev_err(palmas_dev->dev, "Unable to write PRIMARY_SECONDARY_PAD2 %d\n", @@ -459,57 +463,33 @@ static void palmas_power_off(void) __func__, ret); } -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; + unsigned int features; + const struct regmap_irq_chip *irq_chip; }; -static struct palmas_driver_data palmas_data = { - .features = &palmas_features, +static const struct palmas_driver_data palmas_data = { + .features = PALMAS_PMIC_FEATURE_SMPS10_BOOST, .irq_chip = &palmas_irq_chip, }; -static struct palmas_driver_data tps659038_data = { - .features = &tps659038_features, +static const struct palmas_driver_data tps659038_data = { .irq_chip = &palmas_irq_chip, }; -static struct palmas_driver_data tps65917_data = { - .features = &tps659038_features, +static const struct palmas_driver_data tps65917_data = { .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) +static int palmas_i2c_probe(struct i2c_client *i2c) { struct palmas *palmas; struct palmas_platform_data *pdata; - struct palmas_driver_data *driver_data; + const 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); @@ -533,25 +513,20 @@ static int palmas_i2c_probe(struct i2c_client *i2c, 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; + driver_data = i2c_get_match_data(i2c); + 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_new_dummy_device(i2c->adapter, i2c->addr + i); - if (!palmas->i2c_clients[i]) { + if (IS_ERR(palmas->i2c_clients[i])) { dev_err(palmas->dev, "can't attach client %d\n", i); - ret = -ENOMEM; + ret = PTR_ERR(palmas->i2c_clients[i]); goto err_i2c; } palmas->i2c_clients[i]->dev.of_node = of_node_get(node); @@ -697,7 +672,7 @@ err_i2c: return ret; } -static int palmas_i2c_remove(struct i2c_client *i2c) +static void palmas_i2c_remove(struct i2c_client *i2c) { struct palmas *palmas = i2c_get_clientdata(i2c); int i; @@ -713,15 +688,21 @@ static int palmas_i2c_remove(struct i2c_client *i2c) pm_power_off = NULL; palmas_dev = NULL; } - - return 0; } +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 const struct i2c_device_id palmas_i2c_id[] = { - { "palmas", }, - { "twl6035", }, - { "twl6037", }, - { "tps65913", }, + { "palmas", (kernel_ulong_t)&palmas_data }, + { "twl6035", (kernel_ulong_t)&palmas_data }, + { "twl6037", (kernel_ulong_t)&palmas_data }, + { "tps65913", (kernel_ulong_t)&palmas_data }, { /* end */ } }; MODULE_DEVICE_TABLE(i2c, palmas_i2c_id); |