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author | Olof Johansson <olof@lixom.net> | 2019-12-05 13:16:58 -0800 |
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committer | Olof Johansson <olof@lixom.net> | 2019-12-05 13:18:54 -0800 |
commit | 942e6f8a8314e5550e254519dfba4ccd5170421d (patch) | |
tree | 75ec655b440fbc1c454247af38b5596dd8c78de9 /drivers/hwmon/ltc2947-spi.c | |
parent | ARM: pxa: Fix resource properties (diff) | |
parent | Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc (diff) | |
download | linux-dev-942e6f8a8314e5550e254519dfba4ccd5170421d.tar.xz linux-dev-942e6f8a8314e5550e254519dfba4ccd5170421d.zip |
Merge mainline/master into arm/fixes
This brings in the mainline tree right after armsoc contents was merged
this release cycle, so that we can re-run savedefconfig, etc.
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/hwmon/ltc2947-spi.c')
-rw-r--r-- | drivers/hwmon/ltc2947-spi.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/hwmon/ltc2947-spi.c b/drivers/hwmon/ltc2947-spi.c new file mode 100644 index 000000000000..c24ca569db1b --- /dev/null +++ b/drivers/hwmon/ltc2947-spi.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Analog Devices LTC2947 high precision power and energy monitor over SPI + * + * Copyright 2019 Analog Devices Inc. + */ +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regmap.h> +#include <linux/spi/spi.h> + +#include "ltc2947.h" + +static const struct regmap_config ltc2947_regmap_config = { + .reg_bits = 16, + .val_bits = 8, + .read_flag_mask = BIT(0), +}; + +static int ltc2947_probe(struct spi_device *spi) +{ + struct regmap *map; + + map = devm_regmap_init_spi(spi, <c2947_regmap_config); + if (IS_ERR(map)) + return PTR_ERR(map); + + return ltc2947_core_probe(map, spi_get_device_id(spi)->name); +} + +static const struct spi_device_id ltc2947_id[] = { + {"ltc2947", 0}, + {} +}; +MODULE_DEVICE_TABLE(spi, ltc2947_id); + +static struct spi_driver ltc2947_driver = { + .driver = { + .name = "ltc2947", + .of_match_table = ltc2947_of_match, + .pm = <c2947_pm_ops, + }, + .probe = ltc2947_probe, + .id_table = ltc2947_id, +}; +module_spi_driver(ltc2947_driver); + +MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>"); +MODULE_DESCRIPTION("LTC2947 SPI power and energy monitor driver"); +MODULE_LICENSE("GPL"); |