// SPDX-License-Identifier: GPL-2.0+
/*
* Cadence UART driver (found in Xilinx Zynq)
*
* 2011 - 2014 (C) Xilinx Inc.
*
* This driver has originally been pushed by Xilinx using a Zynq-branding. This
* still shows in the naming of this file, the kconfig symbols and some symbols
* in the code.
*/
#include <linux/platform_device.h>
#include <linux/serial.h>
#include <linux/console.h>
#include <linux/serial_core.h>
#include <linux/slab.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/iopoll.h>
#define CDNS_UART_TTY_NAME "ttyPS"
#define CDNS_UART_NAME "xuartps"
#define CDNS_UART_MAJOR 0 /* use dynamic node allocation */
#define CDNS_UART_MINOR 0 /* works best with devtmpfs */
#define CDNS_UART_NR_PORTS 16
#define CDNS_UART_FIFO_SIZE 64 /* FIFO size */
#define CDNS_UART_REGISTER_SPACE 0x1000
#define TX_TIMEOUT 500000
/* Rx Trigger level */
static int rx_trigger_level = 56;
module_param(rx_trigger_level, uint, 0444);
MODULE_PARM_DESC(rx_trigger_level, "Rx trigger level, 1-63 bytes");
/* Rx Timeout */
static int rx_timeout = 10;
mod
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