blob: b58a88b0654feca9cbe1e94ecfa71b14a120b789 [file] [log] [blame]
/*
* Copyright (c) 2016 Piotr Mienkowski
* Copyright (c) 2021 ATL Electronics
* SPDX-License-Identifier: Apache-2.0
*/
/** @file
* @brief Cypress PSoC-6 MCU family General Purpose Input Output (GPIO)
* module HAL driver.
*/
#include "soc_gpio.h"
#include "cy_gpio.h"
static uint32_t soc_gpio_get_drv_mode(uint32_t flags)
{
uint32_t drv_mode = CY_GPIO_DM_ANALOG;
flags = ((flags & SOC_GPIO_FLAGS_MASK) >> SOC_GPIO_FLAGS_POS);
if (flags & SOC_GPIO_OPENDRAIN) {
drv_mode = CY_GPIO_DM_OD_DRIVESLOW_IN_OFF;
} else if (flags & SOC_GPIO_OPENSOURCE) {
drv_mode = CY_GPIO_DM_OD_DRIVESHIGH_IN_OFF;
} else if (flags & SOC_GPIO_PUSHPULL) {
drv_mode = CY_GPIO_DM_STRONG_IN_OFF;
} else if ((flags & SOC_GPIO_PULLUP) && (flags & SOC_GPIO_PULLDOWN)) {
drv_mode = CY_GPIO_DM_PULLUP_DOWN_IN_OFF;
} else if (flags & SOC_GPIO_PULLUP) {
drv_mode = CY_GPIO_DM_PULLUP_IN_OFF;
} else if (flags & SOC_GPIO_PULLDOWN) {
drv_mode = CY_GPIO_DM_PULLDOWN_IN_OFF;
} else {
;
}
if (flags & SOC_GPIO_INPUTENABLE) {
drv_mode |= CY_GPIO_DM_HIGHZ;
}
return drv_mode;
}
void soc_gpio_configure(const struct soc_gpio_pin *pin)
{
uint32_t drv_mode = soc_gpio_get_drv_mode(pin->flags);
uint32_t function = ((pin->flags & SOC_GPIO_FUNC_MASK) >>
SOC_GPIO_FUNC_POS);
Cy_GPIO_SetHSIOM(pin->regs, pin->pinum, function);
Cy_GPIO_SetDrivemode(pin->regs, pin->pinum, drv_mode);
}
void soc_gpio_list_configure(const struct soc_gpio_pin pins[], size_t size)
{
for (size_t i = 0; i < size; i++) {
soc_gpio_configure(&pins[i]);
}
}