// SPDX-License-Identifier: GPL-2.0+
//
// Copyright 2013 Freescale Semiconductor, Inc.
// Copyright 2020-2025 NXP
//
// Freescale DSPI driver
// This file contains a driver for the Freescale DSPI
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/dmaengine.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pinctrl/consumer.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi-fsl-dspi.h>
#define DRIVER_NAME "fsl-dspi"
#define SPI_MCR 0x00
#define SPI_MCR_HOST BIT(31)
#define SPI_MCR_PCSIS(x) ((x) << 16)
#define SPI_MCR_CLR_TXF BIT(11)
#define SPI_MCR_CLR_RXF BIT(10)
#define SPI_MCR_XSPI BIT(3)
#define SPI_MCR_DIS_TXF BIT(13)
#define SPI_MCR_DIS_RXF BIT(12)
#define SPI_MCR_HALT BIT(0)
#define SPI_TCR 0x08
#define SPI_TCR_GET_TCNT(x) (((x) & GENMASK(31, 16)) >> 16)
#define SPI_CTAR(x) (0x0c + (((x) & GENMASK(1, 0)) * 4))
#define SPI_CTAR_FMSZ(x) (((x) << 27) & GENMASK(30, 27))
#define SPI_CTAR_CPOL BIT(26)
#define SPI_CTAR_CPHA BIT(25)
#define SPI_CTAR_LSBFE BIT(24)
#define SPI_CTAR_PCSSCK(x) (((x) << 22) & GENMASK(23, 22))
#define SPI_CTAR_PASC(x) (((x) << 20) & GENMASK(21, 20))
#define SPI_CTAR_PDT(x) (((x) << 18) & GENMASK(19, 18))
#define SPI_CTAR_PBR(x) (((x) << 16)
