linux/drivers/tty/serial/8250/8250_ingenic.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2010 Lars-Peter Clausen <[email protected]>
 * Copyright (C) 2015 Imagination Technologies
 *
 * Ingenic SoC UART support
 */

#include <linux/clk.h>
#include <linux/console.h>
#include <linux/io.h>
#include <linux/libfdt.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/serial_core.h>
#include <linux/serial_reg.h>

#include "8250.h"

/** ingenic_uart_config: SOC specific config data. */
struct ingenic_uart_config { … };

struct ingenic_uart_data { … };

static const struct of_device_id of_match[];

#define UART_FCR_UME …

#define UART_MCR_MDCE …
#define UART_MCR_FCM …

static struct earlycon_device *early_device;

static uint8_t early_in(struct uart_port *port, int offset)
{ … }

static void early_out(struct uart_port *port, int offset, uint8_t value)
{ … }

static void ingenic_early_console_putc(struct uart_port *port, unsigned char c)
{ … }

static void ingenic_early_console_write(struct console *console,
					      const char *s, unsigned int count)
{ … }

static void __init ingenic_early_console_setup_clock(struct earlycon_device *dev)
{ … }

static int __init ingenic_earlycon_setup_tail(struct earlycon_device *dev,
					      const char *opt)
{ … }

static int __init ingenic_early_console_setup(struct earlycon_device *dev,
					      const char *opt)
{ … }

static int __init jz4750_early_console_setup(struct earlycon_device *dev,
					     const char *opt)
{ … }

OF_EARLYCON_DECLARE(…);

OF_EARLYCON_DECLARE(…);

OF_EARLYCON_DECLARE(…);

OF_EARLYCON_DECLARE(…);

OF_EARLYCON_DECLARE(…);

OF_EARLYCON_DECLARE(…);

static void ingenic_uart_serial_out(struct uart_port *p, int offset, int value)
{ … }

static unsigned int ingenic_uart_serial_in(struct uart_port *p, int offset)
{ … }

static int ingenic_uart_probe(struct platform_device *pdev)
{ … }

static void ingenic_uart_remove(struct platform_device *pdev)
{ … }

static const struct ingenic_uart_config jz4740_uart_config = …;

static const struct ingenic_uart_config jz4760_uart_config = …;

static const struct ingenic_uart_config jz4780_uart_config = …;

static const struct ingenic_uart_config x1000_uart_config = …;

static const struct of_device_id of_match[] = …;
MODULE_DEVICE_TABLE(of, of_match);

static struct platform_driver ingenic_uart_platform_driver = …;

module_platform_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;
MODULE_DESCRIPTION(…) …;