/**
* @brief pin setup
*
* @param pin STM32PIN() encoded pin ID
* @param func SoC specific function assignment
* @param clk optional clock device
*
* @return 0 on success, error otherwise
*/
int z_pinmux_stm32_set(u32_t pin, u32_t func,
struct device *clk)
{
/* make sure to enable port clock first */
if (enable_port(STM32_PORT(pin), clk)) {
return -EIO;
}
return stm32_pin_configure(pin, func, func & STM32_AFR_MASK);
}
/**
* @brief pin setup
*
* @param pin STM32PIN() encoded pin ID
* @param func SoC specific function assignment
* @param clk optional clock device
*
* @return 0 on success, error otherwise
*/
int _pinmux_stm32_set(u32_t pin, u32_t func,
struct device *clk)
{
int config;
/* make sure to enable port clock first */
if (enable_port(STM32_PORT(pin), clk)) {
return -EIO;
}
/* determine config for alternate function */
config = stm32_get_pin_config(pin, func);
return stm32_pin_configure(pin, config, func);
}
