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drivers: gpio_sifive: add support for pin validation

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Add the common config structure as a prefix of the driver-specific
config structure and use the devicetree GPIO pin counts to initialize
it.

Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
This commit is contained in:
Peter Bigot 2019-12-11 11:10:43 -06:00 • committed by Carles Cufí
commit 6ef8dbbae2
1 changed files with 5 additions and 0 deletions
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5
drivers/gpio/gpio_sifive.c
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@ -41,6 +41,8 @@ struct gpio_sifive_t {
};
struct gpio_sifive_config {
/* gpio_driver_config needs to be first */
struct gpio_driver_config common;
uintptr_t gpio_base_addr;
/* multi-level encoded interrupt corresponding to pin 0 */
u32_t gpio_irq_base;
@ -493,6 +495,9 @@ static int gpio_sifive_init(struct device *dev)
static void gpio_sifive_cfg_0(void);
static const struct gpio_sifive_config gpio_sifive_config0 = {
.common = {
.port_pin_mask = GPIO_PORT_PIN_MASK_FROM_NGPIOS(DT_INST_0_SIFIVE_GPIO0_NGPIOS),
},
.gpio_base_addr = DT_INST_0_SIFIVE_GPIO0_BASE_ADDRESS,
.gpio_irq_base = DT_INST_0_SIFIVE_GPIO0_IRQ_0,
.gpio_cfg_func = gpio_sifive_cfg_0,