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drivers/sensor: lis2dw12: add drdy pulsed/latched config

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Add DT option to configure the data ready interrupt mode.
Latched is the default; pulsed can be enabled through
the drdy-pulsed DT, if desired.

Signed-off-by: Maxime Vincent <maxime@veemax.be>
This commit is contained in:
Maxime Vincent 2022-03-19 11:47:20 +01:00 • committed by Anas Nashif
commit 307a60e217
4 changed files with 19 additions and 3 deletions
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2
drivers/sensor/lis2dw12/lis2dw12.c
View file

@ -503,6 +503,7 @@ static int lis2dw12_init(const struct device *dev)
.low_noise = DT_INST_PROP(inst, low_noise), \ .low_noise = DT_INST_PROP(inst, low_noise), \
.hp_filter_path = DT_INST_PROP(inst, hp_filter_path), \ .hp_filter_path = DT_INST_PROP(inst, hp_filter_path), \
.hp_ref_mode = DT_INST_PROP(inst, hp_ref_mode), \ .hp_ref_mode = DT_INST_PROP(inst, hp_ref_mode), \
.drdy_pulsed = DT_INST_PROP(inst, drdy_pulsed), \
LIS2DW12_CONFIG_TAP(inst) \ LIS2DW12_CONFIG_TAP(inst) \
COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, irq_gpios), \ COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, irq_gpios), \
(LIS2DW12_CFG_IRQ(inst)), ()) \ (LIS2DW12_CFG_IRQ(inst)), ()) \
@ -531,6 +532,7 @@ static int lis2dw12_init(const struct device *dev)
.low_noise = DT_INST_PROP(inst, low_noise), \ .low_noise = DT_INST_PROP(inst, low_noise), \
.hp_filter_path = DT_INST_PROP(inst, hp_filter_path), \ .hp_filter_path = DT_INST_PROP(inst, hp_filter_path), \
.hp_ref_mode = DT_INST_PROP(inst, hp_ref_mode), \ .hp_ref_mode = DT_INST_PROP(inst, hp_ref_mode), \
.drdy_pulsed = DT_INST_PROP(inst, drdy_pulsed), \
LIS2DW12_CONFIG_TAP(inst) \ LIS2DW12_CONFIG_TAP(inst) \
COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, irq_gpios), \ COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, irq_gpios), \
(LIS2DW12_CFG_IRQ(inst)), ()) \ (LIS2DW12_CFG_IRQ(inst)), ()) \

1
drivers/sensor/lis2dw12/lis2dw12.h
View file

@ -72,6 +72,7 @@ struct lis2dw12_device_config {
bool low_noise; bool low_noise;
bool hp_filter_path; bool hp_filter_path;
bool hp_ref_mode; bool hp_ref_mode;
bool drdy_pulsed;
#ifdef CONFIG_LIS2DW12_TRIGGER #ifdef CONFIG_LIS2DW12_TRIGGER
struct gpio_dt_spec gpio_int; struct gpio_dt_spec gpio_int;
uint8_t int_pin; uint8_t int_pin;

11
drivers/sensor/lis2dw12/lis2dw12_trigger.c
View file

@ -422,9 +422,14 @@ int lis2dw12_init_interrupt(const struct device *dev)
return -EIO; return -EIO;
} }
/* enable interrupt on int1/int2 in pulse mode */ /* set interrupt notification mode on int1/int2 */
if (lis2dw12_int_notification_set(ctx, LIS2DW12_INT_PULSED)) { LOG_DBG("drdy_pulsed is %d", (int)cfg->drdy_pulsed);
return -EIO; lis2dw12_lir_t mode = cfg->drdy_pulsed ? LIS2DW12_INT_PULSED : LIS2DW12_INT_LATCHED;
ret = lis2dw12_int_notification_set(ctx, mode);
if (ret < 0) {
LOG_ERR("drdy_pulsed config error %d", (int)cfg->drdy_pulsed);
return ret;
} }
#ifdef CONFIG_LIS2DW12_TAP #ifdef CONFIG_LIS2DW12_TAP

8
dts/bindings/sensor/st,lis2dw12-common.yaml
View file

@ -187,3 +187,11 @@ properties:
of the LIS2DW12. of the LIS2DW12.
Note that this influences both the OUT_REG / FIFO values, Note that this influences both the OUT_REG / FIFO values,
as well as the Wakeup function. as well as the Wakeup function.
drdy-pulsed:
type: boolean
required: false
description: |
Selects the pulsed mode for data-ready interrupt when enabled,
and the latched mode when disabled.
Sets the corresponding DRDY_PULSED bit in the CTRL7 register.