// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for Broadcom BRCMSTB, NSP, NS2, Cygnus SPI Controllers
*
* Copyright 2016 Broadcom
*/
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi-mem.h>
#include <linux/sysfs.h>
#include <linux/types.h>
#include "spi-bcm-qspi.h"
#define DRIVER_NAME "bcm_qspi"
/* BSPI register offsets */
#define BSPI_REVISION_ID 0x000
#define BSPI_SCRATCH 0x004
#define BSPI_MAST_N_BOOT_CTRL 0x008
#define BSPI_BUSY_STATUS 0x00c
#defi