diff options
Diffstat (limited to 'drivers/mfd/simple-mfd-spmi.c')
-rw-r--r-- | drivers/mfd/simple-mfd-spmi.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/mfd/simple-mfd-spmi.c b/drivers/mfd/simple-mfd-spmi.c new file mode 100644 index 000000000000..99f25751000a --- /dev/null +++ b/drivers/mfd/simple-mfd-spmi.c @@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0-only OR MIT +/* + * Simple MFD - SPMI + * + * Copyright The Asahi Linux Contributors + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/spmi.h> +#include <linux/of_platform.h> + +static const struct regmap_config spmi_regmap_config = { + .reg_bits = 16, + .val_bits = 8, + .max_register = 0xffff, +}; + +static int simple_spmi_probe(struct spmi_device *sdev) +{ + struct regmap *regmap; + + regmap = devm_regmap_init_spmi_ext(sdev, &spmi_regmap_config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + return devm_of_platform_populate(&sdev->dev); +} + +static const struct of_device_id simple_spmi_id_table[] = { + { .compatible = "apple,spmi-pmu" }, + {} +}; +MODULE_DEVICE_TABLE(of, simple_spmi_id_table); + +static struct spmi_driver pmic_spmi_driver = { + .probe = simple_spmi_probe, + .driver = { + .name = "simple-mfd-spmi", + .owner = THIS_MODULE, + .of_match_table = simple_spmi_id_table, + }, +}; +module_spmi_driver(pmic_spmi_driver); + +MODULE_LICENSE("Dual MIT/GPL"); +MODULE_DESCRIPTION("Simple MFD - SPMI driver"); +MODULE_AUTHOR("Hector Martin <marcan@marcan.st>"); |