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authorAngel Iglesias <ang.iglesiasg@gmail.com>2023-02-19 20:03:04 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2023-03-11 15:18:29 +0300
commit597dfb2af052f175cdd5caa7b62095c7de1ba29e (patch)
treec60ce9aea3150c3302b88db980410ed5ed8af201 /drivers/iio/pressure/bmp280-regmap.c
parent42cde8808573b44e395ee8b3e22f05104afa2e74 (diff)
downloadlinux-597dfb2af052f175cdd5caa7b62095c7de1ba29e.tar.xz
iio: pressure: bmp280: Add support for new sensor BMP580
Adds compatibility with the new sensor generation, the BMP580. The measurement and initialization codepaths are adapted from the device datasheet and the repository from manufacturer at https://github.com/boschsensortec/BMP5-Sensor-API. Signed-off-by: Angel Iglesias <ang.iglesiasg@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/f899fceec9b48bc173bd4b7555f0a237fa32d520.1676823250.git.ang.iglesiasg@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/pressure/bmp280-regmap.c')
-rw-r--r--drivers/iio/pressure/bmp280-regmap.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/iio/pressure/bmp280-regmap.c b/drivers/iio/pressure/bmp280-regmap.c
index c98c67970265..3ee56720428c 100644
--- a/drivers/iio/pressure/bmp280-regmap.c
+++ b/drivers/iio/pressure/bmp280-regmap.c
@@ -115,6 +115,54 @@ static bool bmp380_is_volatile_reg(struct device *dev, unsigned int reg)
}
}
+static bool bmp580_is_writeable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case BMP580_REG_NVM_DATA_MSB:
+ case BMP580_REG_NVM_DATA_LSB:
+ case BMP580_REG_NVM_ADDR:
+ case BMP580_REG_ODR_CONFIG:
+ case BMP580_REG_OSR_CONFIG:
+ case BMP580_REG_INT_SOURCE:
+ case BMP580_REG_INT_CONFIG:
+ case BMP580_REG_OOR_THR_MSB:
+ case BMP580_REG_OOR_THR_LSB:
+ case BMP580_REG_OOR_CONFIG:
+ case BMP580_REG_OOR_RANGE:
+ case BMP580_REG_IF_CONFIG:
+ case BMP580_REG_FIFO_CONFIG:
+ case BMP580_REG_FIFO_SEL:
+ case BMP580_REG_DSP_CONFIG:
+ case BMP580_REG_DSP_IIR:
+ case BMP580_REG_CMD:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool bmp580_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case BMP580_REG_NVM_DATA_MSB:
+ case BMP580_REG_NVM_DATA_LSB:
+ case BMP580_REG_FIFO_COUNT:
+ case BMP580_REG_INT_STATUS:
+ case BMP580_REG_PRESS_XLSB:
+ case BMP580_REG_PRESS_LSB:
+ case BMP580_REG_PRESS_MSB:
+ case BMP580_REG_FIFO_DATA:
+ case BMP580_REG_TEMP_XLSB:
+ case BMP580_REG_TEMP_LSB:
+ case BMP580_REG_TEMP_MSB:
+ case BMP580_REG_EFF_OSR:
+ case BMP580_REG_STATUS:
+ return true;
+ default:
+ return false;
+ }
+}
+
const struct regmap_config bmp280_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
@@ -138,3 +186,15 @@ const struct regmap_config bmp380_regmap_config = {
.volatile_reg = bmp380_is_volatile_reg,
};
EXPORT_SYMBOL_NS(bmp380_regmap_config, IIO_BMP280);
+
+const struct regmap_config bmp580_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = BMP580_REG_CMD,
+ .cache_type = REGCACHE_RBTREE,
+
+ .writeable_reg = bmp580_is_writeable_reg,
+ .volatile_reg = bmp580_is_volatile_reg,
+};
+EXPORT_SYMBOL_NS(bmp580_regmap_config, IIO_BMP280);