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drivers: sensor: Convert fxas21002 to new gpio api

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Converts the fxas21002 sensor driver to the new gpio api. Updates device
trees for all boards with this sensor to active low gpio interrupts by
default.

Tested on the hexiwear_k64 board.

Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
This commit is contained in:
Maureen Helm 2019-12-12 13:01:01 -06:00 • committed by Carles Cufí
commit 0f38786889
6 changed files with 21 additions and 8 deletions
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4
boards/arm/hexiwear_k64/hexiwear_k64.dts
View file

@ -100,8 +100,8 @@
compatible = "nxp,fxas21002";
reg = <0x20>;
label = "FXAS21002";
int1-gpios = <&gpiod 1 0>;
int2-gpios = <&gpioc 18 0>;
int1-gpios = <&gpiod 1 GPIO_ACTIVE_LOW>;
int2-gpios = <&gpioc 18 GPIO_ACTIVE_LOW>;
};
};

2
boards/arm/warp7_m4/warp7_m4.dts
View file

@ -62,7 +62,7 @@
compatible = "nxp,fxas21002";
reg = <0x20>;
label = "FXAS21002";
int1-gpios = <&gpio7 0 0>;
int1-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>;
};
};

2
drivers/sensor/fxas21002/fxas21002.c
View file

@ -293,9 +293,11 @@ static const struct fxas21002_config fxas21002_config = {
#ifdef CONFIG_FXAS21002_DRDY_INT1
.gpio_name = DT_INST_0_NXP_FXAS21002_INT1_GPIOS_CONTROLLER,
.gpio_pin = DT_INST_0_NXP_FXAS21002_INT1_GPIOS_PIN,
.gpio_flags = DT_INST_0_NXP_FXAS21002_INT1_GPIOS_FLAGS,
#else
.gpio_name = DT_INST_0_NXP_FXAS21002_INT2_GPIOS_CONTROLLER,
.gpio_pin = DT_INST_0_NXP_FXAS21002_INT2_GPIOS_PIN,
.gpio_flags = DT_INST_0_NXP_FXAS21002_INT2_GPIOS_FLAGS,
#endif
#endif
};

1
drivers/sensor/fxas21002/fxas21002.h
View file

@ -61,6 +61,7 @@ struct fxas21002_config {
#ifdef CONFIG_FXAS21002_TRIGGER
char *gpio_name;
u8_t gpio_pin;
gpio_devicetree_flags_t gpio_flags;
#endif
u8_t i2c_address;
u8_t whoami;

12
drivers/sensor/fxas21002/fxas21002_trigger.c
View file

@ -21,7 +21,8 @@ static void fxas21002_gpio_callback(struct device *dev,
return;
}
gpio_pin_disable_callback(dev, data->gpio_pin);
gpio_pin_interrupt_configure(data->gpio, data->gpio_pin,
GPIO_INT_DISABLE);
#if defined(CONFIG_FXAS21002_TRIGGER_OWN_THREAD)
k_sem_give(&data->trig_sem);
@ -68,7 +69,8 @@ static void fxas21002_handle_int(void *arg)
fxas21002_handle_drdy_int(dev);
}
gpio_pin_enable_callback(data->gpio, config->gpio_pin);
gpio_pin_interrupt_configure(data->gpio, config->gpio_pin,
GPIO_INT_EDGE_TO_ACTIVE);
}
#ifdef CONFIG_FXAS21002_TRIGGER_OWN_THREAD
@ -206,15 +208,15 @@ int fxas21002_trigger_init(struct device *dev)
data->gpio_pin = config->gpio_pin;
gpio_pin_configure(data->gpio, config->gpio_pin,
GPIO_DIR_IN | GPIO_INT | GPIO_INT_EDGE |
GPIO_INT_ACTIVE_LOW | GPIO_INT_DEBOUNCE);
GPIO_INPUT | config->gpio_flags);
gpio_init_callback(&data->gpio_cb, fxas21002_gpio_callback,
BIT(config->gpio_pin));
gpio_add_callback(data->gpio, &data->gpio_cb);
gpio_pin_enable_callback(data->gpio, config->gpio_pin);
gpio_pin_interrupt_configure(data->gpio, config->gpio_pin,
GPIO_INT_EDGE_TO_ACTIVE);
return 0;
}

8
dts/bindings/sensor/nxp,fxas21002.yaml
View file

@ -11,7 +11,15 @@ properties:
int1-gpios:
type: phandle-array
required: false
description: INT1 pin
This pin defaults to active low when produced by the sensor.
The property value should ensure the flags properly describe
the signal that is presented to the driver.
int2-gpios:
type: phandle-array
required: false
description: INT2 pin
This pin defaults to active low when produced by the sensor.
The property value should ensure the flags properly describe
the signal that is presented to the driver.