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Diffstat (limited to 'arch/cris/include/asm/etraxi2c.h')
-rw-r--r--arch/cris/include/asm/etraxi2c.h37
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/cris/include/asm/etraxi2c.h b/arch/cris/include/asm/etraxi2c.h
deleted file mode 100644
index 0fa6f03d93e7..000000000000
--- a/arch/cris/include/asm/etraxi2c.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* $Id: etraxi2c.h,v 1.1 2001/01/18 15:49:57 bjornw Exp $ */
-
-#ifndef _LINUX_ETRAXI2C_H
-#define _LINUX_ETRAXI2C_H
-
-/* etraxi2c _IOC_TYPE, bits 8 to 15 in ioctl cmd */
-
-#define ETRAXI2C_IOCTYPE 44
-
-/* supported ioctl _IOC_NR's */
-
-/* in write operations, the argument contains both i2c
- * slave, register and value.
- */
-
-#define I2C_WRITEARG(slave, reg, value) (((slave) << 16) | ((reg) << 8) | (value))
-#define I2C_READARG(slave, reg) (((slave) << 16) | ((reg) << 8))
-
-#define I2C_ARGSLAVE(arg) ((arg) >> 16)
-#define I2C_ARGREG(arg) (((arg) >> 8) & 0xff)
-#define I2C_ARGVALUE(arg) ((arg) & 0xff)
-
-#define I2C_WRITEREG 0x1 /* write to an i2c register */
-#define I2C_READREG 0x2 /* read from an i2c register */
-
-/*
-EXAMPLE usage:
-
- i2c_arg = I2C_WRITEARG(STA013_WRITE_ADDR, reg, val);
- ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_WRITEREG), i2c_arg);
-
- i2c_arg = I2C_READARG(STA013_READ_ADDR, reg);
- val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg);
-
-*/
-#endif