[PATCH v3 6/7] iio: accel: kx022a: Support KX134-1211

Matti Vaittinen
2024-11-28T09:03:27Z

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The ROHM KX134-1211 has very similar register interface as KX132-1211
does. The main differencies are the content of the "Who am I"
identification register and different g-ranges. The KX132-1211 can
measure ranges from +/- 2g to +/-16g where the KX134-1211 supports
measuring ranges +/- 8g to +/- 64g.

Support the ROHM KX134-1211.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>

---
Revision history:
v2 => v3:
- patch number changed because patches were dropped.
v1 => v2:
- new patch.
---
drivers/iio/accel/kionix-kx022a-i2c.c | 2 ++
drivers/iio/accel/kionix-kx022a-spi.c | 2 ++
drivers/iio/accel/kionix-kx022a.c | 30 +++++++++++++++++++++++++++
drivers/iio/accel/kionix-kx022a.h | 2 ++
4 files changed, 36 insertions(+)

diff --git a/drivers/iio/accel/kionix-kx022a-i2c.c b/drivers/iio/accel/kionix-kx022a-i2c.c
index 9fd049c2b62e..7359073ae0c0 100644
--- a/drivers/iio/accel/kionix-kx022a-i2c.c
+++ b/drivers/iio/accel/kionix-kx022a-i2c.c
@@ -38,6 +38,7 @@ static int kx022a_i2c_probe(struct i2c_client *i2c)
static const struct i2c_device_id kx022a_i2c_id[] = {
{ .name = "kx022a", .driver_data = (kernel_ulong_t)&kx022a_chip_info },
{ .name = "kx132-1211", .driver_data = (kernel_ulong_t)&kx132_chip_info },
+ { .name = "kx134-1211", .driver_data = (kernel_ulong_t)&kx134_chip_info },
{ .name = "kx132acr-lbz", .driver_data = (kernel_ulong_t)&kx132acr_chip_info },
{ .name = "kx134acr-lbz", .driver_data = (kernel_ulong_t)&kx134acr_chip_info },
{ }
@@ -47,6 +48,7 @@ MODULE_DEVICE_TABLE(i2c, kx022a_i2c_id);
static const struct of_device_id kx022a_of_match[] = {
{ .compatible = "kionix,kx022a", .data = &kx022a_chip_info },
{ .compatible = "kionix,kx132-1211", .data = &kx132_chip_info },
+ { .compatible = "kionix,kx134-1211", .data = &kx134_chip_info },
{ .compatible = "rohm,kx132acr-lbz", .data = &kx132acr_chip_info },
{ .compatible = "rohm,kx134acr-lbz", .data = &kx134acr_chip_info },
{ }
diff --git a/drivers/iio/accel/kionix-kx022a-spi.c b/drivers/iio/accel/kionix-kx022a-spi.c
index b20978afc565..50aeaafc56ec 100644
--- a/drivers/iio/accel/kionix-kx022a-spi.c
+++ b/drivers/iio/accel/kionix-kx022a-spi.c
@@ -38,6 +38,7 @@ static int kx022a_spi_probe(struct spi_device *spi)
static const struct spi_device_id kx022a_id[] = {
{ .name = "kx022a", .driver_data = (kernel_ulong_t)&kx022a_chip_info },
{ .name = "kx132-1211", .driver_data = (kernel_ulong_t)&kx132_chip_info },
+ { .name = "kx134-1211", .driver_data = (kernel_ulong_t)&kx134_chip_info },
{ .name = "kx132acr-lbz", .driver_data = (kernel_ulong_t)&kx132acr_chip_info },
{ .name = "kx134acr-lbz", .driver_data = (kernel_ulong_t)&kx134acr_chip_info },
{ }
@@ -47,6 +48,7 @@ MODULE_DEVICE_TABLE(spi, kx022a_id);
static const struct of_device_id kx022a_of_match[] = {
{ .compatible = "kionix,kx022a", .data = &kx022a_chip_info },
{ .compatible = "kionix,kx132-1211", .data = &kx132_chip_info },
+ { .compatible = "kionix,kx134-1211", .data = &kx134_chip_info },
{ .compatible = "rohm,kx132acr-lbz", .data = &kx132acr_chip_info },
{ .compatible = "rohm,kx134acr-lbz", .data = &kx134acr_chip_info },
{ }
diff --git a/drivers/iio/accel/kionix-kx022a.c b/drivers/iio/accel/kionix-kx022a.c
index 9fe16802c125..e3986dd65337 100644
--- a/drivers/iio/accel/kionix-kx022a.c
+++ b/drivers/iio/accel/kionix-kx022a.c
@@ -1209,6 +1209,36 @@ const struct kx022a_chip_info kx132_chip_info = {
};
EXPORT_SYMBOL_NS_GPL(kx132_chip_info, IIO_KX022A);

+const struct kx022a_chip_info kx134_chip_info = {
+ .name = "kx134-1211",
+ .regmap_config = &kx132_regmap_config,
+ .channels = kx132_channels,
+ .num_channels = ARRAY_SIZE(kx132_channels),
+ .scale_table = kx134acr_lbz_scale_table,
+ .scale_table_size = ARRAY_SIZE(kx134acr_lbz_scale_table) *
+ ARRAY_SIZE(kx134acr_lbz_scale_table[0]),
+ .fifo_length = KX132_FIFO_LENGTH,
+ .who = KX132_REG_WHO,
+ .id = KX134_1211_ID,
+ .cntl = KX132_REG_CNTL,
+ .cntl2 = KX132_REG_CNTL2,
+ .odcntl = KX132_REG_ODCNTL,
+ .buf_cntl1 = KX132_REG_BUF_CNTL1,
+ .buf_cntl2 = KX132_REG_BUF_CNTL2,
+ .buf_clear = KX132_REG_BUF_CLEAR,
+ .buf_status1 = KX132_REG_BUF_STATUS_1,
+ .buf_smp_lvl_mask = KX132_MASK_BUF_SMP_LVL,
+ .buf_read = KX132_REG_BUF_READ,
+ .inc1 = KX132_REG_INC1,
+ .inc4 = KX132_REG_INC4,
+ .inc5 = KX132_REG_INC5,
+ .inc6 = KX132_REG_INC6,
+ .xout_l = KX132_REG_XOUT_L,
+ .get_fifo_bytes_available = kx132_get_fifo_bytes_available,
+};
+EXPORT_SYMBOL_NS_GPL(kx134_chip_info, IIO_KX022A);
+
+
/*
* Despite the naming, KX132ACR-LBZ is not similar to KX132-1211 but it is
* exact subset of KX022A. KX132ACR-LBZ is meant to be used for industrial
diff --git a/drivers/iio/accel/kionix-kx022a.h b/drivers/iio/accel/kionix-kx022a.h
index ea32fd252a38..142652ff4b22 100644
--- a/drivers/iio/accel/kionix-kx022a.h
+++ b/drivers/iio/accel/kionix-kx022a.h
@@ -78,6 +78,7 @@

#define KX132_REG_WHO 0x13
#define KX132_ID 0x3d
+#define KX134_1211_ID 0x46

#define KX132_FIFO_LENGTH 86

@@ -190,6 +191,7 @@ int kx022a_probe_internal(struct device *dev, const struct kx022a_chip_info *chi

extern const struct kx022a_chip_info kx022a_chip_info;
extern const struct kx022a_chip_info kx132_chip_info;
+extern const struct kx022a_chip_info kx134_chip_info;
extern const struct kx022a_chip_info kx132acr_chip_info;
extern const struct kx022a_chip_info kx134acr_chip_info;

--
2.47.0

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