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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2017-2018, STMicroelectronics
*/
#ifndef __STM32_UART_H__
#define __STM32_UART_H__
#include <drivers/serial.h>
struct stm32_uart_pdata {
struct io_pa_va base;
struct serial_chip chip;
bool secure;
unsigned int clock;
};
/*
* stm32_uart_init - Initialize a UART serial chip and base address
* @pd: Output initialized UART platform data
* @base: UART interface physical base address
*/
void stm32_uart_init(struct stm32_uart_pdata *pd, vaddr_t base);
/*
* stm32_uart_init_from_dt_node - Initialize a UART instance from a DTB node
* @fdt: DTB base address
* @node: Target node offset in the DTB
* Returns an alloced (malloc) and inited UART platform data on success or NULL
*
* This function gets a STM32 UART configuration directives from a DTB node
* and initializes a UART driver instance.
* When the DTB specifies that the device is disabled, the function returns
* NULL. Other issues panic the sequence.
*/
struct stm32_uart_pdata *stm32_uart_init_from_dt_node(void *fdt, int node);
#endif /*__STM32_UART_H__*/
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