1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/net/can/spi/mcp25xxfd/mcp25xxfd_priv.h b/drivers/net/can/spi/mcp25xxfd/mcp25xxfd_priv.h
new file mode 100644
index 000000000000..ced89e0b9e3c
--- /dev/null
+++ b/drivers/net/can/spi/mcp25xxfd/mcp25xxfd_priv.h
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/* CAN bus driver for Microchip 25XXFD CAN Controller with SPI Interface
+ *
+ * Copyright 2019 Martin Sperl <kernel@martin.sperl.org>
+ */
+#ifndef __MCP25XXFD_PRIV_H
+#define __MCP25XXFD_PRIV_H
+
+#include <linux/clk.h>
+#include <linux/debugfs.h>
+#include <linux/gpio/driver.h>
+#include <linux/mutex.h>
+#include <linux/regulator/consumer.h>
+#include <linux/spi/spi.h>
+
+#include "mcp25xxfd_regs.h"
+
+/* some defines for the driver */
+#define DEVICE_NAME "mcp25xxfd"
+
+enum mcp25xxfd_model {
+	CAN_MCP2517FD	= 0x2517,
+	CAN_MCP2518FD	= 0x2518,
+};
+
+struct mcp25xxfd_can_priv;
+struct mcp25xxfd_priv {
+	struct spi_device *spi;
+	struct clk *clk;
+#ifdef CONFIG_GPIOLIB
+	struct gpio_chip gpio;
+#endif
+	struct mcp25xxfd_can_priv *cpriv;
+
+	/* the actual model of the mcp25xxfd */
+	enum mcp25xxfd_model model;
+
+	/* full device name used for debugfs and interrupts */
+	char device_name[32];
+
+	/* everything clock related */
+	int clock_freq;
+	struct {
+		/* clock configuration */
+		int clock_pll;
+		int clock_div2;
+		int clock_odiv;
+		int clock_allways_on;
+		/* gpio related */
+		bool gpio_open_drain;
+		bool gpio0_xstandby;
+	} config;
+
+	/* lock for enabling/disabling the clock */
+	struct mutex clk_user_lock;
+	u32 clk_user_mask;
+	u32 clk_sleep_mask;
+
+	/* power related */
+	struct regulator *power;
+
+	/* the distinct spi_speeds to use for spi communication */
+	u32 spi_setup_speed_hz;
+	u32 spi_normal_speed_hz;
+	u32 spi_use_speed_hz;
+
+	/* spi-tx/rx buffers for efficient transfers
+	 * used during setup and irq
+	 */
+	struct mutex spi_rxtx_lock; /* protects use of spi_tx/rx */
+	u8 spi_tx[MCP25XXFD_SRAM_SIZE];
+	u8 spi_rx[MCP25XXFD_SRAM_SIZE];
+
+	/* configuration registers */
+	struct {
+		u32 osc;
+		u32 iocon;
+		u32 crc;
+		u32 ecccon;
+	} regs;
+
+	/* debugfs related */
+#ifdef CONFIG_CAN_MCP25XXFD_DEBUG_FS
+	struct dentry *debugfs_dir;
+	struct dentry *debugfs_regs_dir;
+	struct {
+		u64 spi_crc_read;
+		u64 spi_crc_read_split;
+	} stats;
+#endif
+};
+
+#endif /* __MCP25XXFD_PRIV_H */