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drivers: gpio_nrfx: update to use new GPIO API

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Update driver code and board files to use new GPIO configuration flags
such as GPIO_ACTIVE_LOW. Also add implementation of new port_* driver
API as well as gpio_pin_interrupt_configure function.

Tested on nrf52840_pca10056 board.

Signed-off-by: Piotr Mienkowski <piotr.mienkowski@gmail.com>
Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
This commit is contained in:
Piotr Mienkowski 2019-08-06 00:56:05 +02:00 • committed by Carles Cufí
commit ff90b2c1d6
22 changed files with 223 additions and 142 deletions
Download patch file Download diff file Expand all files Collapse all files

8
boards/arm/nrf51_ble400/nrf51_ble400.dts
View file

@ -59,16 +59,12 @@
/* Push button switch 0 KEY1 */
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio0 16 (GPIO_PUD_PULL_UP |
GPIO_INT_ACTIVE_LOW |
GPIO_INT_EDGE)>;
gpios = <&gpio0 16 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 0";
};
/* Push button switch 1 KEY2 */
button1: button_1 {
gpios = <&gpio0 17 (GPIO_PUD_PULL_UP |
GPIO_INT_ACTIVE_LOW |
GPIO_INT_EDGE)>;
gpios = <&gpio0 17 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 1";
};
};

16
boards/arm/nrf51_pca10028/nrf51_pca10028.dts
View file

@ -26,19 +26,19 @@
leds {
compatible = "gpio-leds";
led0: led_0 {
gpios = <&gpio0 21 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led1: led_1 {
gpios = <&gpio0 22 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 22 GPIO_ACTIVE_LOW>;
label = "Green LED 1";
};
led2: led_2 {
gpios = <&gpio0 23 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 23 GPIO_ACTIVE_LOW>;
label = "Green LED 2";
};
led3: led_3 {
gpios = <&gpio0 24 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 24 GPIO_ACTIVE_LOW>;
label = "Green LED 3";
};
};
@ -53,19 +53,19 @@
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio0 17 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 17 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 0";
};
button1: button_1 {
gpios = <&gpio0 18 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 18 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 1";
};
button2: button_2 {
gpios = <&gpio0 19 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 19 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 2";
};
button3: button_3 {
gpios = <&gpio0 20 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 20 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 3";
};
};

6
boards/arm/nrf51_pca10031/nrf51_pca10031.dts
View file

@ -26,15 +26,15 @@
leds {
compatible = "gpio-leds";
led0_red: led_0 {
gpios = <&gpio0 21 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
label = "Red LED 0";
};
led0_green: led_1 {
gpios = <&gpio0 22 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 22 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led0_blue: led_2 {
gpios = <&gpio0 23 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 23 GPIO_ACTIVE_LOW>;
label = "Blue LED 0";
};
};

2
boards/arm/nrf51_vbluno51/nrf51_vbluno51.dts
View file

@ -41,7 +41,7 @@
compatible = "gpio-keys";
button0: button_0 {
/* gpio flags need validation */
gpios = <&gpio0 15 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
label = "Button";
};
};

16
boards/arm/nrf52810_pca10040/nrf52810_pca10040.dts
View file

@ -28,19 +28,19 @@
leds {
compatible = "gpio-leds";
led0: led_0 {
gpios = <&gpio0 17 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led1: led_1 {
gpios = <&gpio0 18 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
label = "Green LED 1";
};
led2: led_2 {
gpios = <&gpio0 19 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 19 GPIO_ACTIVE_LOW>;
label = "Green LED 2";
};
led3: led_3 {
gpios = <&gpio0 20 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
label = "Green LED 3";
};
};
@ -49,19 +49,19 @@
compatible = "gpio-keys";
button0: button_0 {
label = "Push button switch 0";
gpios = <&gpio0 13 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 13 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
};
button1: button_1 {
label = "Push button switch 1";
gpios = <&gpio0 14 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 14 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
};
button2: button_2 {
label = "Push button switch 2";
gpios = <&gpio0 15 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 15 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
};
button3: button_3 {
label = "Push button switch 3";
gpios = <&gpio0 16 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 16 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
};
};

16
boards/arm/nrf52811_pca10056/nrf52811_pca10056.dts
View file

@ -26,19 +26,19 @@
leds {
compatible = "gpio-leds";
led0: led_0 {
gpios = <&gpio0 13 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led1: led_1 {
gpios = <&gpio0 14 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
label = "Green LED 1";
};
led2: led_2 {
gpios = <&gpio0 15 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
label = "Green LED 2";
};
led3: led_3 {
gpios = <&gpio0 16 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
label = "Green LED 3";
};
};
@ -53,19 +53,19 @@
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio0 11 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 11 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 0";
};
button1: button_1 {
gpios = <&gpio0 12 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 12 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 1";
};
button2: button_2 {
gpios = <&gpio0 24 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 24 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 2";
};
button3: button_3 {
gpios = <&gpio0 25 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 25 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 3";
};
};

8
boards/arm/nrf52832_mdk/nrf52832_mdk.dts
View file

@ -27,15 +27,15 @@
leds {
compatible = "gpio-leds";
led0_green: led_0 {
gpios = <&gpio0 22 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 22 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led1_red: led_1 {
gpios = <&gpio0 23 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 23 GPIO_ACTIVE_LOW>;
label = "Red LED 1";
};
led2_blue: led_2 {
gpios = <&gpio0 24 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 24 GPIO_ACTIVE_LOW>;
label = "Blue LED 1";
};
};
@ -59,7 +59,7 @@
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio0 18 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 18 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 0";
};
};

8
boards/arm/nrf52840_blip/nrf52840_blip.dts
View file

@ -28,15 +28,15 @@
leds {
compatible = "gpio-leds";
led0: led_0 {
gpios = <&gpio0 13 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led1: led_1 {
gpios = <&gpio0 14 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
label = "Red LED 1";
};
led2: led_2 {
gpios = <&gpio0 15 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
label = "Blue LED 2";
};
};
@ -44,7 +44,7 @@
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio1 7 GPIO_PUD_PULL_UP>;
gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
label = "Push button switch 0";
};
};

8
boards/arm/nrf52840_mdk/nrf52840_mdk.dts
View file

@ -26,15 +26,15 @@
leds {
compatible = "gpio-leds";
led0_green: led_0 {
gpios = <&gpio0 22 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 22 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led1_red: led_1 {
gpios = <&gpio0 23 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 23 GPIO_ACTIVE_LOW>;
label = "Red LED 1";
};
led2_blue: led_2 {
gpios = <&gpio0 24 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 24 GPIO_ACTIVE_LOW>;
label = "Blue LED 2";
};
};
@ -58,7 +58,7 @@
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio1 0 GPIO_PUD_PULL_UP>;
gpios = <&gpio1 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 0";
};
};

8
boards/arm/nrf52840_papyr/nrf52840_papyr.dts
View file

@ -25,15 +25,15 @@
leds {
compatible = "gpio-leds";
led0: led_0 {
gpios = <&gpio0 13 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led1: led_1 {
gpios = <&gpio0 15 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
label = "Blue LED 1";
};
led2: led_2 {
gpios = <&gpio0 14 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
label = "Red LED 2";
};
};
@ -57,7 +57,7 @@
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio0 18 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
label = "Push button switch 0";
};
};

16
boards/arm/nrf52840_pca10056/nrf52840_pca10056.dts
View file

@ -26,19 +26,19 @@
leds {
compatible = "gpio-leds";
led0: led_0 {
gpios = <&gpio0 13 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led1: led_1 {
gpios = <&gpio0 14 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
label = "Green LED 1";
};
led2: led_2 {
gpios = <&gpio0 15 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
label = "Green LED 2";
};
led3: led_3 {
gpios = <&gpio0 16 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
label = "Green LED 3";
};
};
@ -53,19 +53,19 @@
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio0 11 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 11 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 0";
};
button1: button_1 {
gpios = <&gpio0 12 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 12 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 1";
};
button2: button_2 {
gpios = <&gpio0 24 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 24 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 2";
};
button3: button_3 {
gpios = <&gpio0 25 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 25 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 3";
};
};

10
boards/arm/nrf52840_pca10059/nrf52840_pca10059.dts
View file

@ -27,19 +27,19 @@
leds {
compatible = "gpio-leds";
led0_green: led_0 {
gpios = <&gpio0 6 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led1_red: led_1 {
gpios = <&gpio0 8 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
label = "Red LED 1";
};
led1_green: led_2 {
gpios = <&gpio1 9 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
label = "Green LED 1";
};
led1_blue: led_3 {
gpios = <&gpio0 12 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
label = "Blue LED 1";
};
};
@ -47,7 +47,7 @@
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio1 6 GPIO_PUD_PULL_UP>;
gpios = <&gpio1 6 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 0";
};
};

17
boards/arm/nrf52840_pca10090/board.c
View file

@ -184,12 +184,12 @@ static int pins_configure(struct device *port, const struct pin_config cfg[],
/* The swiches on the board are active low, so we need
* to negate the IS_ENABLED() value from the tables.
*/
err = gpio_pin_write(port, cfg[i].pin, !cfg[i].val);
err = gpio_pin_set(port, cfg[i].pin, !cfg[i].val);
if (err) {
return cfg[i].pin;
}
err = gpio_pin_configure(port, cfg[i].pin, GPIO_DIR_OUT);
err = gpio_pin_configure(port, cfg[i].pin, GPIO_OUTPUT);
if (err) {
return cfg[i].pin;
}
@ -214,13 +214,12 @@ static void chip_reset(struct device *gpio,
static void reset_pin_wait_low(struct device *port, u32_t pin)
{
int err;
u32_t val;
int val;
/* Wait until the pin is pulled low */
do {
err = gpio_pin_read(port, pin, &val);
} while (err == 0 && val != 0);
val = gpio_pin_get(port, pin);
} while (val > 0);
}
static int reset_pin_configure(struct device *p0, struct device *p1)
@ -260,9 +259,7 @@ static int reset_pin_configure(struct device *p0, struct device *p1)
__ASSERT_NO_MSG(port != NULL);
err = gpio_pin_configure(port, pin,
GPIO_DIR_IN | GPIO_INT | GPIO_PUD_PULL_DOWN |
GPIO_INT_ACTIVE_HIGH | GPIO_INT_EDGE);
err = gpio_pin_configure(port, pin, GPIO_INPUT | GPIO_PULL_DOWN);
if (err) {
return err;
}
@ -274,7 +271,7 @@ static int reset_pin_configure(struct device *p0, struct device *p1)
return err;
}
err = gpio_pin_enable_callback(port, pin);
err = gpio_pin_interrupt_configure(port, pin, GPIO_INT_EDGE_RISING);
if (err) {
return err;
}

3
boards/arm/nrf52_adafruit_feather/nrf52_adafruit_feather.dts
View file

@ -46,8 +46,7 @@
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio0 20 (GPIO_PUD_PULL_UP |
GPIO_INT_ACTIVE_LOW)>;
gpios = <&gpio0 20 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Button";
};
};

16
boards/arm/nrf52_pca10040/nrf52_pca10040.dts
View file

@ -27,19 +27,19 @@
leds {
compatible = "gpio-leds";
led0: led_0 {
gpios = <&gpio0 17 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led1: led_1 {
gpios = <&gpio0 18 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
label = "Green LED 1";
};
led2: led_2 {
gpios = <&gpio0 19 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 19 GPIO_ACTIVE_LOW>;
label = "Green LED 2";
};
led3: led_3 {
gpios = <&gpio0 20 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
label = "Green LED 3";
};
};
@ -54,19 +54,19 @@
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio0 13 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 13 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 0";
};
button1: button_1 {
gpios = <&gpio0 14 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 14 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 1";
};
button2: button_2 {
gpios = <&gpio0 15 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 15 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 2";
};
button3: button_3 {
gpios = <&gpio0 16 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 16 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 3";
};
};

3
boards/arm/nrf52_pca20020/board.c
View file

@ -27,8 +27,7 @@ static int pwr_ctrl_init(struct device *dev)
return -ENODEV;
}
gpio_pin_configure(gpio, cfg->pin, GPIO_DIR_OUT);
gpio_pin_write(gpio, cfg->pin, 1);
gpio_pin_configure(gpio, cfg->pin, GPIO_OUTPUT_HIGH);
k_sleep(K_MSEC(1)); /* Wait for the rail to come up and stabilize */

4
boards/arm/nrf52_pca20020/nrf52_pca20020.dts
View file

@ -51,7 +51,7 @@
compatible = "gpio-keys";
button0: button_0 {
/* gpio flags need validation */
gpios = <&gpio0 11 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 11 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Button";
};
};
@ -111,7 +111,7 @@
compatible = "st,hts221";
reg = <0x5f>;
label = "HTS221";
drdy-gpios = <&gpio0 24 GPIO_INT_ACTIVE_HIGH>;
drdy-gpios = <&gpio0 24 0>;
};
ccs811: ccs811@5a {

4
boards/arm/nrf52_sparkfun/nrf52_sparkfun.dts
View file

@ -32,7 +32,7 @@
leds {
compatible = "gpio-leds";
led0: led_0 {
gpios = <&gpio0 7 0>;
gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
label = "LED";
};
};
@ -41,7 +41,7 @@
compatible = "gpio-keys";
button0: button_0 {
/* gpio flags need validation */
gpios = <&gpio0 6 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 6 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Button";
};
};

2
boards/arm/nrf52_vbluno52/nrf52_vbluno52.dts
View file

@ -40,7 +40,7 @@
compatible = "gpio-keys";
button0: button_0 {
/* gpio flags need validation */
gpios = <&gpio0 17 GPIO_INT_ACTIVE_LOW>;
gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
label = "Button";
};
};

15
boards/arm/nrf9160_pca10090/nrf52840_reset.c
View file

@ -27,15 +27,8 @@ int bt_hci_transport_setup(struct device *h4)
return -EIO;
}
/* Pull the pin low before configuring it as output, to ensure that
* it is driven to the correct level as soon as it is configured.
*/
err = gpio_pin_write(port, RESET_PIN, 0);
if (err) {
return err;
}
err = gpio_pin_configure(port, RESET_PIN, GPIO_DIR_OUT);
/* Configure pin as output and initialize it to low. */
err = gpio_pin_configure(port, RESET_PIN, GPIO_OUTPUT_LOW);
if (err) {
return err;
}
@ -45,7 +38,7 @@ int bt_hci_transport_setup(struct device *h4)
* that it won't send any data until the H4 device
* is setup and ready to receive.
*/
err = gpio_pin_write(port, RESET_PIN, 1);
err = gpio_pin_set(port, RESET_PIN, 1);
if (err) {
return err;
}
@ -63,7 +56,7 @@ int bt_hci_transport_setup(struct device *h4)
}
/* We are ready, let the nRF52840 run to main */
err = gpio_pin_write(port, RESET_PIN, 0);
err = gpio_pin_set(port, RESET_PIN, 0);
if (err) {
return err;
}

26
boards/arm/nrf9160_pca10090/nrf9160_pca10090_common.dts
View file

@ -18,21 +18,21 @@
leds {
compatible = "gpio-leds";
led0: led_0 {
gpios = <&gpio0 2 GPIO_INT_ACTIVE_HIGH>;
label = "Green LED 0";
};
led1: led_1 {
gpios = <&gpio0 3 GPIO_INT_ACTIVE_HIGH>;
gpios = <&gpio0 2 0>;
label = "Green LED 1";
};
led2: led_2 {
gpios = <&gpio0 4 GPIO_INT_ACTIVE_HIGH>;
led1: led_1 {
gpios = <&gpio0 3 0>;
label = "Green LED 2";
};
led3: led_3 {
gpios = <&gpio0 5 GPIO_INT_ACTIVE_HIGH>;
led2: led_2 {
gpios = <&gpio0 4 0>;
label = "Green LED 3";
};
led3: led_3 {
gpios = <&gpio0 5 0>;
label = "Green LED 4";
};
};
pwmleds {
@ -45,19 +45,19 @@
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio0 8 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 8 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Switch 1";
};
button1: button_1 {
gpios = <&gpio0 9 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 9 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Switch 2";
};
button2: button_2 {
gpios = <&gpio0 6 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 6 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button 1";
};
button3: button_3 {
gpios = <&gpio0 7 GPIO_PUD_PULL_UP>;
gpios = <&gpio0 7 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button 2";
};
};

153
drivers/gpio/gpio_nrfx.c
View file

@ -11,6 +11,7 @@
#include "gpio_utils.h"
struct gpio_nrfx_data {
struct gpio_driver_data general;
sys_slist_t callbacks;
/* Mask holding information about which pins have been configured to
@ -23,10 +24,9 @@ struct gpio_nrfx_data {
*/
u32_t int_en;
u32_t active_level;
u32_t int_active_level;
u32_t trig_edge;
u32_t double_edge;
u32_t inverted;
};
struct gpio_nrfx_cfg {
@ -34,6 +34,9 @@ struct gpio_nrfx_cfg {
u8_t port_num;
};
static int gpio_nrfx_pin_interrupt_configure(struct device *port, u32_t pin,
unsigned int flags);
static inline struct gpio_nrfx_data *get_port_data(struct device *port)
{
return port->driver_data;
@ -81,7 +84,7 @@ static void gpiote_channel_free(u32_t abs_pin)
static inline u32_t sense_for_pin(const struct gpio_nrfx_data *data,
u32_t pin)
{
if ((BIT(pin) & (data->active_level ^ data->inverted)) != 0) {
if ((BIT(pin) & data->int_active_level) != 0U) {
return NRF_GPIO_PIN_SENSE_HIGH;
}
return NRF_GPIO_PIN_SENSE_LOW;
@ -107,8 +110,7 @@ static int gpiote_pin_int_cfg(struct device *port, u32_t pin)
if (data->double_edge & BIT(pin)) {
pol = NRF_GPIOTE_POLARITY_TOGGLE;
} else if (((data->active_level & BIT(pin)) != 0U)
^ ((BIT(pin) & data->inverted) != 0)) {
} else if ((data->int_active_level & BIT(pin)) != 0U) {
pol = NRF_GPIOTE_POLARITY_LOTOHI;
} else {
pol = NRF_GPIOTE_POLARITY_HITOLO;
@ -128,6 +130,7 @@ static int gpiote_pin_int_cfg(struct device *port, u32_t pin)
static int gpio_nrfx_config(struct device *port, int access_op,
u32_t pin, int flags)
{
NRF_GPIO_Type *reg = get_port_cfg(port)->port;
struct gpio_nrfx_data *data = get_port_data(port);
nrf_gpio_pin_pull_t pull;
nrf_gpio_pin_drive_t drive;
@ -136,14 +139,15 @@ static int gpio_nrfx_config(struct device *port, int access_op,
u8_t from_pin;
u8_t to_pin;
switch (flags & (GPIO_DS_LOW_MASK | GPIO_DS_HIGH_MASK)) {
switch (flags & (GPIO_DS_LOW_MASK | GPIO_DS_HIGH_MASK |
GPIO_OPEN_DRAIN)) {
case GPIO_DS_DFLT_LOW | GPIO_DS_DFLT_HIGH:
drive = NRF_GPIO_PIN_S0S1;
break;
case GPIO_DS_DFLT_LOW | GPIO_DS_ALT_HIGH:
drive = NRF_GPIO_PIN_S0H1;
break;
case GPIO_DS_DFLT_LOW | GPIO_DS_DISCONNECT_HIGH:
case GPIO_DS_DFLT_LOW | GPIO_OPEN_DRAIN:
drive = NRF_GPIO_PIN_S0D1;
break;
@ -153,14 +157,14 @@ static int gpio_nrfx_config(struct device *port, int access_op,
case GPIO_DS_ALT_LOW | GPIO_DS_ALT_HIGH:
drive = NRF_GPIO_PIN_H0H1;
break;
case GPIO_DS_ALT_LOW | GPIO_DS_DISCONNECT_HIGH:
case GPIO_DS_ALT_LOW | GPIO_OPEN_DRAIN:
drive = NRF_GPIO_PIN_H0D1;
break;
case GPIO_DS_DISCONNECT_LOW | GPIO_DS_DFLT_HIGH:
case GPIO_DS_DFLT_HIGH | GPIO_OPEN_SOURCE:
drive = NRF_GPIO_PIN_D0S1;
break;
case GPIO_DS_DISCONNECT_LOW | GPIO_DS_ALT_HIGH:
case GPIO_DS_ALT_HIGH | GPIO_OPEN_SOURCE:
drive = NRF_GPIO_PIN_D0H1;
break;
@ -168,19 +172,19 @@ static int gpio_nrfx_config(struct device *port, int access_op,
return -EINVAL;
}
if ((flags & GPIO_PUD_MASK) == GPIO_PUD_PULL_UP) {
if ((flags & GPIO_PULL_UP) != 0) {
pull = NRF_GPIO_PIN_PULLUP;
} else if ((flags & GPIO_PUD_MASK) == GPIO_PUD_PULL_DOWN) {
} else if ((flags & GPIO_PULL_DOWN) != 0) {
pull = NRF_GPIO_PIN_PULLDOWN;
} else {
pull = NRF_GPIO_PIN_NOPULL;
}
dir = ((flags & GPIO_DIR_MASK) == GPIO_DIR_OUT)
dir = ((flags & GPIO_OUTPUT) != 0)
? NRF_GPIO_PIN_DIR_OUTPUT
: NRF_GPIO_PIN_DIR_INPUT;
input = (dir == NRF_GPIO_PIN_DIR_INPUT)
input = ((flags & GPIO_INPUT) != 0)
? NRF_GPIO_PIN_INPUT_CONNECT
: NRF_GPIO_PIN_INPUT_DISCONNECT;
@ -195,19 +199,22 @@ static int gpio_nrfx_config(struct device *port, int access_op,
for (u8_t curr_pin = from_pin; curr_pin <= to_pin; ++curr_pin) {
int res;
if ((flags & GPIO_OUTPUT) != 0) {
if ((flags & GPIO_OUTPUT_INIT_HIGH) != 0) {
nrf_gpio_port_out_set(reg, BIT(curr_pin));
} else if ((flags & GPIO_OUTPUT_INIT_LOW) != 0) {
nrf_gpio_port_out_clear(reg, BIT(curr_pin));
}
}
nrf_gpio_cfg(NRF_GPIO_PIN_MAP(get_port_cfg(port)->port_num,
curr_pin),
dir, input, pull, drive, NRF_GPIO_PIN_NOSENSE);
WRITE_BIT(data->pin_int_en, curr_pin, flags & GPIO_INT);
WRITE_BIT(data->trig_edge, curr_pin, flags & GPIO_INT_EDGE);
WRITE_BIT(data->double_edge, curr_pin,
flags & GPIO_INT_DOUBLE_EDGE);
WRITE_BIT(data->active_level, curr_pin,
flags & GPIO_INT_ACTIVE_HIGH);
WRITE_BIT(data->inverted, curr_pin, flags & GPIO_POL_INV);
WRITE_BIT(data->general.invert, curr_pin,
flags & GPIO_ACTIVE_LOW);
res = gpiote_pin_int_cfg(port, curr_pin);
res = gpio_nrfx_pin_interrupt_configure(port, curr_pin, flags);
if (res != 0) {
return res;
}
@ -223,9 +230,9 @@ static int gpio_nrfx_write(struct device *port, int access_op,
struct gpio_nrfx_data *data = get_port_data(port);
if (access_op == GPIO_ACCESS_BY_PORT) {
nrf_gpio_port_out_write(reg, value ^ data->inverted);
nrf_gpio_port_out_write(reg, value ^ data->general.invert);
} else {
if ((value > 0) ^ ((BIT(pin) & data->inverted) != 0)) {
if ((value > 0) ^ ((BIT(pin) & data->general.invert) != 0)) {
nrf_gpio_port_out_set(reg, BIT(pin));
} else {
nrf_gpio_port_out_clear(reg, BIT(pin));
@ -244,7 +251,7 @@ static int gpio_nrfx_read(struct device *port, int access_op,
u32_t dir = nrf_gpio_port_dir_read(reg);
u32_t port_in = nrf_gpio_port_in_read(reg) & ~dir;
u32_t port_out = nrf_gpio_port_out_read(reg) & dir;
u32_t port_val = (port_in | port_out) ^ data->inverted;
u32_t port_val = (port_in | port_out) ^ data->general.invert;
if (access_op == GPIO_ACCESS_BY_PORT) {
*value = port_val;
@ -255,6 +262,91 @@ static int gpio_nrfx_read(struct device *port, int access_op,
return 0;
}
static int gpio_nrfx_port_get_raw(struct device *port, u32_t *value)
{
NRF_GPIO_Type *reg = get_port_cfg(port)->port;
*value = nrf_gpio_port_in_read(reg);
return 0;
}
static int gpio_nrfx_port_set_masked_raw(struct device *port, u32_t mask,
u32_t value)
{
NRF_GPIO_Type *reg = get_port_cfg(port)->port;
u32_t value_tmp;
value_tmp = nrf_gpio_port_out_read(reg) & ~mask;
nrf_gpio_port_out_write(reg, value_tmp | (mask & value));
return 0;
}
static int gpio_nrfx_port_set_bits_raw(struct device *port, u32_t mask)
{
NRF_GPIO_Type *reg = get_port_cfg(port)->port;
nrf_gpio_port_out_set(reg, mask);
return 0;
}
static int gpio_nrfx_port_clear_bits_raw(struct device *port, u32_t mask)
{
NRF_GPIO_Type *reg = get_port_cfg(port)->port;
nrf_gpio_port_out_clear(reg, mask);
return 0;
}
static int gpio_nrfx_port_toggle_bits(struct device *port, u32_t mask)
{
NRF_GPIO_Type *reg = get_port_cfg(port)->port;
u32_t value;
value = nrf_gpio_port_out_read(reg);
nrf_gpio_port_out_write(reg, value ^ mask);
return 0;
}
static int gpio_nrfx_pin_interrupt_configure(struct device *port,
unsigned int pin, unsigned int flags)
{
struct gpio_nrfx_data *data = get_port_data(port);
u32_t abs_pin = NRF_GPIO_PIN_MAP(get_port_cfg(port)->port_num, pin);
if (((flags & GPIO_INT_ENABLE) != 0) &&
((flags & GPIO_INT_EDGE) != 0) &&
(nrf_gpio_pin_dir_get(abs_pin) == NRF_GPIO_PIN_DIR_OUTPUT)) {
/*
* The pin's output value as specified in the GPIO will be
* ignored as long as the pin is controlled by GPIOTE.
* Pin with output enabled cannot be used as an edge interrupt
* source.
*/
return -ENOTSUP;
}
WRITE_BIT(data->pin_int_en, pin, flags & GPIO_INT_ENABLE);
WRITE_BIT(data->int_en, pin, true);
WRITE_BIT(data->trig_edge, pin, flags & GPIO_INT_EDGE);
WRITE_BIT(data->double_edge, pin, (flags & GPIO_INT_LOW_0) &&
(flags & GPIO_INT_HIGH_1));
bool active_high = ((flags & GPIO_INT_HIGH_1) != 0);
if (((flags & GPIO_INT_LEVELS_LOGICAL) != 0) &&
((data->general.invert & BIT(pin)) != 0)) {
active_high = !active_high;
}
WRITE_BIT(data->int_active_level, pin, active_high);
return gpiote_pin_int_cfg(port, pin);
}
static int gpio_nrfx_manage_callback(struct device *port,
struct gpio_callback *callback,
bool set)
@ -311,6 +403,12 @@ static const struct gpio_driver_api gpio_nrfx_drv_api_funcs = {
.config = gpio_nrfx_config,
.write = gpio_nrfx_write,
.read = gpio_nrfx_read,
.port_get_raw = gpio_nrfx_port_get_raw,
.port_set_masked_raw = gpio_nrfx_port_set_masked_raw,
.port_set_bits_raw = gpio_nrfx_port_set_bits_raw,
.port_clear_bits_raw = gpio_nrfx_port_clear_bits_raw,
.port_toggle_bits = gpio_nrfx_port_toggle_bits,
.pin_interrupt_configure = gpio_nrfx_pin_interrupt_configure,
.manage_callback = gpio_nrfx_manage_callback,
.enable_callback = gpio_nrfx_pin_enable_callback,
.disable_callback = gpio_nrfx_pin_disable_callback
@ -371,10 +469,9 @@ static u32_t check_level_trigger_pins(struct device *port)
u32_t level_pins = get_level_pins(port);
u32_t port_in = nrf_gpio_port_in_read(cfg->port);
/* Extract which pins after inversion, have logic level same as
* interrupt trigger level.
/* Extract which pins have logic level same as interrupt trigger level.
*/
u32_t pin_states = ~(port_in ^ data->inverted ^ data->active_level);
u32_t pin_states = ~(port_in ^ data->int_active_level);
/* Discard pins that aren't configured for level. */
u32_t out = pin_states & level_pins;