diff options
| author | Stefan Agner <stefan@agner.ch> | 2016-06-28 22:53:19 -0700 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2016-06-29 10:11:23 +0100 |
| commit | a99ab50dbbb1f982d076d19e0a9959fe2efa3126 (patch) | |
| tree | 07b76e626b730f4f369b4084f9251e9eb888f2ea /drivers/mfd | |
| parent | 229d641d72d1ecfd21186a52c38d012149097eec (diff) | |
| download | linux-a99ab50dbbb1f982d076d19e0a9959fe2efa3126.tar.bz2 | |
mfd: rn5t618: Add Ricoh RN5T567 PMIC support
The Ricoh RN5T567 is from the same family as the Ricoh RN5T618 is,
the differences are:
+ DCDC4
+ Slightly different output voltage/currents
+ 32kHz Output
- ADC/Charger capabilities
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/mfd/rn5t618.c | 25 |
2 files changed, 22 insertions, 10 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 1bcf601de5bc..ff031a7735a5 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -852,13 +852,14 @@ config MFD_RK808 including interrupts, RTC, LDO & DCDC regulators, and onkey. config MFD_RN5T618 - tristate "Ricoh RN5T5618 PMIC" + tristate "Ricoh RN5T567/618 PMIC" depends on I2C + depends on OF select MFD_CORE select REGMAP_I2C help - Say yes here to add support for the Ricoh RN5T618 PMIC. This - driver provides common support for accessing the device, + Say yes here to add support for the Ricoh RN5T567 or R5T618 PMIC. + This driver provides common support for accessing the device, additional drivers must be enabled in order to use the functionality of the device. diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c index 0ad51d792feb..c86160d3a773 100644 --- a/drivers/mfd/rn5t618.c +++ b/drivers/mfd/rn5t618.c @@ -2,6 +2,7 @@ * MFD core driver for Ricoh RN5T618 PMIC * * Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com> + * Copyright (C) 2016 Toradex AG * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -15,6 +16,7 @@ #include <linux/mfd/core.h> #include <linux/mfd/rn5t618.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/regmap.h> static const struct mfd_cell rn5t618_cells[] = { @@ -59,17 +61,32 @@ static void rn5t618_power_off(void) RN5T618_SLPCNT_SWPWROFF, RN5T618_SLPCNT_SWPWROFF); } +static const struct of_device_id rn5t618_of_match[] = { + { .compatible = "ricoh,rn5t567", .data = (void *)RN5T567 }, + { .compatible = "ricoh,rn5t618", .data = (void *)RN5T618 }, + { } +}; +MODULE_DEVICE_TABLE(of, rn5t618_of_match); + static int rn5t618_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { + const struct of_device_id *of_id; struct rn5t618 *priv; int ret; + of_id = of_match_device(rn5t618_of_match, &i2c->dev); + if (!of_id) { + dev_err(&i2c->dev, "Failed to find matching DT ID\n"); + return -EINVAL; + } + priv = devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; i2c_set_clientdata(i2c, priv); + priv->variant = (long)of_id->data; priv->regmap = devm_regmap_init_i2c(i2c, &rn5t618_regmap_config); if (IS_ERR(priv->regmap)) { @@ -105,12 +122,6 @@ static int rn5t618_i2c_remove(struct i2c_client *i2c) return 0; } -static const struct of_device_id rn5t618_of_match[] = { - { .compatible = "ricoh,rn5t618" }, - { } -}; -MODULE_DEVICE_TABLE(of, rn5t618_of_match); - static const struct i2c_device_id rn5t618_i2c_id[] = { { } }; @@ -129,5 +140,5 @@ static struct i2c_driver rn5t618_i2c_driver = { module_i2c_driver(rn5t618_i2c_driver); MODULE_AUTHOR("Beniamino Galvani <b.galvani@gmail.com>"); -MODULE_DESCRIPTION("Ricoh RN5T618 MFD driver"); +MODULE_DESCRIPTION("Ricoh RN5T567/618 MFD driver"); MODULE_LICENSE("GPL v2"); |