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drivers: gpio: Add support for Apollo510 GPIO

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This commit adds support for Apollo510 SoC in ambiq gpio driver

Signed-off-by: Hao Luo <hluo@ambiq.com>
This commit is contained in:
Hao Luo 2025-02-12 11:38:05 +08:00 • committed by Benjamin Cabé
commit 6618a673e5
2 changed files with 49 additions and 0 deletions
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18
drivers/gpio/gpio_ambiq.c
View file

@ -13,6 +13,7 @@
#include <zephyr/drivers/gpio/gpio_utils.h>
#include <zephyr/irq.h>
#include <zephyr/spinlock.h>
#include <zephyr/drivers/gpio/gpio_ambiq.h>
#include <soc.h>
@ -488,7 +489,12 @@ static int ambiq_gpio_pin_interrupt_configure(const struct device *dev, gpio_pin
* GPIO_INT_TRIG_BOTH is not supported on Ambiq Apollo4 Plus Platform
* ERR008: GPIO: Dual-edge interrupts are not vectoring
*/
#if defined(CONFIG_SOC_SERIES_APOLLO4X)
return -ENOTSUP;
#elif defined(CONFIG_SOC_SERIES_APOLLO5X)
pincfg.GP.cfg_b.eIntDir = AM_HAL_GPIO_PIN_INTDIR_BOTH;
break;
#endif
default:
return -EINVAL;
}
@ -567,6 +573,18 @@ static DEVICE_API(gpio, ambiq_gpio_drv_api) = {
#endif
};
gpio_pin_t ambiq_gpio_get_pinnum(const struct device *dev, gpio_pin_t pin)
{
const struct ambiq_gpio_config *const dev_cfg = dev->config;
#if defined(CONFIG_SOC_SERIES_APOLLO3X)
pin += dev_cfg->offset;
#else
pin += (dev_cfg->offset >> 2);
#endif
return pin;
}
#if defined(CONFIG_SOC_SERIES_APOLLO3X)
/* Apollo3 GPIO banks share the same irq number, connect irq here will cause build error, so we
* leave this function blank here and do it in ambiq_gpio_cfg_func

31
include/zephyr/drivers/gpio/gpio_ambiq.h Normal file
View file

@ -0,0 +1,31 @@
/*
* Copyright (c) 2025 Ambiq Micro Inc. <www.ambiq.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_GPIO_GPIO_AMBIQ_H_
#define ZEPHYR_DRIVERS_GPIO_GPIO_AMBIQ_H_
#include <zephyr/device.h>
#include <zephyr/drivers/gpio.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Get the actual gpio pin number.
*
* @param dev Pointer to the device structure for the driver instance.
* @param pin Pin number of the select gpio group.
*
* @retval pin number.
*/
gpio_pin_t ambiq_gpio_get_pinnum(const struct device *dev, gpio_pin_t pin);
#ifdef __cplusplus
}
#endif
#endif /* ZEPHYR_DRIVERS_GPIO_GPIO_AMBIQ_H_ */