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drivers: gpio: altera_pio: enhancement

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update to make interrupt optional since they are not always available

Signed-off-by: Teoh Shi Lin <shi.lin.teoh@intel.com>
This commit is contained in:
Teoh Shi Lin 2023-01-31 18:01:34 +08:00 • committed by Carles Cufí
commit 11a8c5cd9e
1 changed files with 12 additions and 6 deletions
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18
drivers/gpio/gpio_altera_pio.c
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@ -198,6 +198,10 @@ static int gpio_altera_pin_interrupt_configure(const struct device *dev,
return -EINVAL; return -EINVAL;
} }
if (!gpio_pin_direction(dev, BIT(pin))) {
return -EINVAL;
}
addr = reg_base + ALTERA_AVALON_PIO_IRQ_OFFSET; addr = reg_base + ALTERA_AVALON_PIO_IRQ_OFFSET;
switch (mode) { switch (mode) {
@ -258,6 +262,12 @@ static const struct gpio_driver_api gpio_altera_driver_api = {
.manage_callback = gpio_altera_manage_callback .manage_callback = gpio_altera_manage_callback
}; };
#define GPIO_CFG_IRQ(idx, n) \
IRQ_CONNECT(DT_INST_IRQ_BY_IDX(n, idx, irq), \
COND_CODE_1(DT_INST_IRQ_HAS_CELL(n, priority), \
DT_INST_IRQ(n, priority), (0)), gpio_altera_irq_handler, \
DEVICE_DT_INST_GET(n), 0); \
#define CREATE_GPIO_DEVICE(n) \ #define CREATE_GPIO_DEVICE(n) \
static void gpio_altera_cfg_func_##n(void); \ static void gpio_altera_cfg_func_##n(void); \
static struct gpio_altera_data gpio_altera_data_##n; \ static struct gpio_altera_data gpio_altera_data_##n; \
@ -268,7 +278,7 @@ static const struct gpio_driver_api gpio_altera_driver_api = {
}, \ }, \
.reg_base = DT_INST_REG_ADDR(n), \ .reg_base = DT_INST_REG_ADDR(n), \
.direction = DT_INST_ENUM_IDX(n, direction), \ .direction = DT_INST_ENUM_IDX(n, direction), \
.irq_num = DT_INST_IRQN(n), \ .irq_num = COND_CODE_1(DT_INST_IRQ_HAS_IDX(n, 0), (DT_INST_IRQN(n)), (0)),\
.cfg_func = gpio_altera_cfg_func_##n, \ .cfg_func = gpio_altera_cfg_func_##n, \
.outset = DT_INST_PROP(n, outset), \ .outset = DT_INST_PROP(n, outset), \
.outclear = DT_INST_PROP(n, outclear), \ .outclear = DT_INST_PROP(n, outclear), \
@ -285,11 +295,7 @@ static const struct gpio_driver_api gpio_altera_driver_api = {
\ \
static void gpio_altera_cfg_func_##n(void) \ static void gpio_altera_cfg_func_##n(void) \
{ \ { \
IRQ_CONNECT(DT_INST_IRQN(n), \ LISTIFY(DT_NUM_IRQS(DT_DRV_INST(n)), GPIO_CFG_IRQ, (), n)\
DT_INST_IRQ(n, priority), \
gpio_altera_irq_handler, \
DEVICE_DT_INST_GET(n), \
0); \
} }
DT_INST_FOREACH_STATUS_OKAY(CREATE_GPIO_DEVICE) DT_INST_FOREACH_STATUS_OKAY(CREATE_GPIO_DEVICE)