linux-imx

// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * Broadcom BCM63xx SPI controller support

 *

 * Copyright (C) 2009-2012 Florian Fainelli <florian@openwrt.org>

 * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com>

 */

​

#include <linux/kernel.h>

#include <linux/clk.h>

#include <linux/io.h>

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/delay.h>

#include <linux/interrupt.h>

#include <linux/spi/spi.h>

#include <linux/completion.h>

#include <linux/err.h>

#include <linux/pm_runtime.h>

#include <linux/of.h>

​

/* BCM 6338/6348 SPI core */

#define SPI_6348_RSET_SIZE      64

#define SPI_6348_CMD            0x00    /* 16-bits register */

#define SPI_6348_INT_STATUS     0x02

#define SPI_6348_INT_MASK_ST        0x03

#define SPI_6348_INT_MASK       0x04

#define SPI_6348_ST         0x05

#define SPI_6348_CLK_CFG        0x06

#define SPI_6348_FILL_BYTE      0x07

#define SPI_6348_MSG_TAIL       0x09

#define SPI_6348_RX_TAIL        0x0b

#define SPI_6348_MSG_CTL        0x40    /* 8-bits register */

#define SPI_6348_MSG_CTL_WIDTH      8

#define SPI_6348_MSG_DATA       0x41

#define SPI_6348_MSG_DATA_SIZE      0x3f

#define SPI_6348_RX_DATA        0x80

#define SPI_6348_RX_DATA_SIZE       0x3f

​

/* BCM 3368/6358/6262/6368 SPI core */

#define SPI_6358_RSET_SIZE      1804

#define SPI_6358_MSG_CTL        0x00    /* 16-bits register */

#define SPI_6358_MSG_CTL_WIDTH      16

#define SPI_6358_MSG_DATA       0x02

#define SPI_6358_MSG_DATA_SIZE      0x21e

#define SPI_6358_RX_DATA        0x400

#define SPI_6358_RX_DATA_SIZE       0x220

#define SPI_6358_CMD            0x700   /* 16-bits register */

#define SPI_6358_INT_STATUS     0x702

#define SPI_6358_INT_MASK_ST        0x703

#define SPI_6358_INT_MASK       0x704

#define SPI_6358_ST         0x705

#define SPI_6358_CLK_CFG        0x706

#define SPI_6358_FILL_BYTE      0x707

#define SPI_6358_MSG_TAIL       0x709

#define SPI_6358_RX_TAIL        0x70B

​

/* Shared SPI definitions */

​

/* Message configuration */

#define SPI_FD_RW           0x00

#define SPI_HD_W            0x01

#define SPI_HD_R            0x02