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author | Maxime Ripard <maxime@cerno.tech> | 2021-05-11 13:35:52 +0200 |
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committer | Maxime Ripard <maxime@cerno.tech> | 2021-05-11 13:35:52 +0200 |
commit | c55b44c9386f3ee1b08752638559f19deaf6040d (patch) | |
tree | c843a21f45180387fcd9eb2625cc9d1f166a3156 /drivers/mfd/atc260x-i2c.c | |
parent | MAINTAINERS: Update my e-mail (diff) | |
parent | Linux 5.13-rc1 (diff) | |
download | linux-c55b44c9386f3ee1b08752638559f19deaf6040d.tar.xz linux-c55b44c9386f3ee1b08752638559f19deaf6040d.zip |
Merge drm/drm-fixes into drm-misc-fixes
Start this new release drm-misc-fixes branch
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/mfd/atc260x-i2c.c')
-rw-r--r-- | drivers/mfd/atc260x-i2c.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/mfd/atc260x-i2c.c b/drivers/mfd/atc260x-i2c.c new file mode 100644 index 000000000000..5855efd09efc --- /dev/null +++ b/drivers/mfd/atc260x-i2c.c @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * I2C bus interface for ATC260x PMICs + * + * Copyright (C) 2019 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> + * Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com> + */ + +#include <linux/i2c.h> +#include <linux/mfd/atc260x/core.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regmap.h> + +static int atc260x_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct atc260x *atc260x; + struct regmap_config regmap_cfg; + int ret; + + atc260x = devm_kzalloc(&client->dev, sizeof(*atc260x), GFP_KERNEL); + if (!atc260x) + return -ENOMEM; + + atc260x->dev = &client->dev; + atc260x->irq = client->irq; + + ret = atc260x_match_device(atc260x, ®map_cfg); + if (ret) + return ret; + + i2c_set_clientdata(client, atc260x); + + atc260x->regmap = devm_regmap_init_i2c(client, ®map_cfg); + if (IS_ERR(atc260x->regmap)) { + ret = PTR_ERR(atc260x->regmap); + dev_err(&client->dev, "failed to init regmap: %d\n", ret); + return ret; + } + + return atc260x_device_probe(atc260x); +} + +static const struct of_device_id atc260x_i2c_of_match[] = { + { .compatible = "actions,atc2603c", .data = (void *)ATC2603C }, + { .compatible = "actions,atc2609a", .data = (void *)ATC2609A }, + { } +}; +MODULE_DEVICE_TABLE(of, atc260x_i2c_of_match); + +static struct i2c_driver atc260x_i2c_driver = { + .driver = { + .name = "atc260x", + .of_match_table = of_match_ptr(atc260x_i2c_of_match), + }, + .probe = atc260x_i2c_probe, +}; +module_i2c_driver(atc260x_i2c_driver); + +MODULE_DESCRIPTION("ATC260x PMICs I2C bus interface"); +MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>"); +MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@gmail.com>"); +MODULE_LICENSE("GPL"); |