diff options
| author | Matt Ranostay <matt.ranostay@konsulko.com> | 2021-08-25 05:07:38 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-09-14 14:00:33 +0300 |
| commit | 76e28aa97fa0702f51b4fea2c362a86642e31e23 (patch) | |
| tree | a1d88862f72831dbaca042a1e11865477556d5d8 /drivers/iio/magnetometer | |
| parent | c5dc9e3635019a6ca9dfe7860e6a456d1811f36b (diff) | |
| download | linux-76e28aa97fa0702f51b4fea2c362a86642e31e23.tar.xz | |
iio: magnetometer: ak8975: add AK09116 support
Add additional AK09116 to the magnetometer driver which has the same
register mapping and scaling as the AK09112 device.
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>
Link: https://lore.kernel.org/r/20210825020738.35877-1-matt.ranostay@konsulko.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/magnetometer')
| -rw-r--r-- | drivers/iio/magnetometer/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/iio/magnetometer/ak8975.c | 35 |
2 files changed, 36 insertions, 1 deletions
diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig index 74ad5701c6c2..565ee41ccb3a 100644 --- a/drivers/iio/magnetometer/Kconfig +++ b/drivers/iio/magnetometer/Kconfig @@ -28,7 +28,7 @@ config AK8975 select IIO_TRIGGERED_BUFFER help Say yes here to build support for Asahi Kasei AK8975, AK8963, - AK09911 or AK09912 3-Axis Magnetometer. + AK09911, AK09912 or AK09916 3-Axis Magnetometer. To compile this driver as a module, choose M here: the module will be called ak8975. diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 42b8a2680e3a..6e82dc54a417 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -78,6 +78,7 @@ */ #define AK09912_REG_WIA1 0x00 #define AK09912_REG_WIA2 0x01 +#define AK09916_DEVICE_ID 0x09 #define AK09912_DEVICE_ID 0x04 #define AK09911_DEVICE_ID 0x05 @@ -208,6 +209,7 @@ enum asahi_compass_chipset { AK8963, AK09911, AK09912, + AK09916, }; enum ak_ctrl_reg_addr { @@ -345,6 +347,31 @@ static const struct ak_def ak_def_array[] = { AK09912_REG_HXL, AK09912_REG_HYL, AK09912_REG_HZL}, + }, + { + .type = AK09916, + .raw_to_gauss = ak09912_raw_to_gauss, + .range = 32752, + .ctrl_regs = { + AK09912_REG_ST1, + AK09912_REG_ST2, + AK09912_REG_CNTL2, + AK09912_REG_ASAX, + AK09912_MAX_REGS}, + .ctrl_masks = { + AK09912_REG_ST1_DRDY_MASK, + AK09912_REG_ST2_HOFL_MASK, + 0, + AK09912_REG_CNTL2_MODE_MASK}, + .ctrl_modes = { + AK09912_REG_CNTL_MODE_POWER_DOWN, + AK09912_REG_CNTL_MODE_ONCE, + AK09912_REG_CNTL_MODE_SELF_TEST, + AK09912_REG_CNTL_MODE_FUSE_ROM}, + .data_regs = { + AK09912_REG_HXL, + AK09912_REG_HYL, + AK09912_REG_HZL}, } }; @@ -425,6 +452,7 @@ static int ak8975_who_i_am(struct i2c_client *client, /* * Signature for each device: * Device | WIA1 | WIA2 + * AK09916 | DEVICE_ID_| AK09916_DEVICE_ID * AK09912 | DEVICE_ID | AK09912_DEVICE_ID * AK09911 | DEVICE_ID | AK09911_DEVICE_ID * AK8975 | DEVICE_ID | NA @@ -452,6 +480,10 @@ static int ak8975_who_i_am(struct i2c_client *client, if (wia_val[1] == AK09912_DEVICE_ID) return 0; break; + case AK09916: + if (wia_val[1] == AK09916_DEVICE_ID) + return 0; + break; default: dev_err(&client->dev, "Type %d unknown\n", type); } @@ -1057,6 +1089,7 @@ static const struct i2c_device_id ak8975_id[] = { {"AK8963", AK8963}, {"ak09911", AK09911}, {"ak09912", AK09912}, + {"ak09916", AK09916}, {} }; @@ -1071,6 +1104,8 @@ static const struct of_device_id ak8975_of_match[] = { { .compatible = "ak09911", }, { .compatible = "asahi-kasei,ak09912", }, { .compatible = "ak09912", }, + { .compatible = "asahi-kasei,ak09916", }, + { .compatible = "ak09916", }, {} }; MODULE_DEVICE_TABLE(of, ak8975_of_match); |