ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/i2c/busses/i2c-ibm_iic.h b/marvell/linux/drivers/i2c/busses/i2c-ibm_iic.h
new file mode 100644
index 0000000..f028888
--- /dev/null
+++ b/marvell/linux/drivers/i2c/busses/i2c-ibm_iic.h
@@ -0,0 +1,118 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * drivers/i2c/busses/i2c-ibm_iic.h
+ *
+ * Support for the IIC peripheral on IBM PPC 4xx
+ *
+ * Copyright (c) 2003 Zultys Technologies.
+ * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
+ *
+ * Based on original work by
+ * Ian DaSilva <idasilva@mvista.com>
+ * Armin Kuster <akuster@mvista.com>
+ * Matt Porter <mporter@mvista.com>
+ *
+ * Copyright 2000-2003 MontaVista Software Inc.
+ */
+#ifndef __I2C_IBM_IIC_H_
+#define __I2C_IBM_IIC_H_
+
+#include <linux/i2c.h>
+
+struct iic_regs {
+ u16 mdbuf;
+ u16 sbbuf;
+ u8 lmadr;
+ u8 hmadr;
+ u8 cntl;
+ u8 mdcntl;
+ u8 sts;
+ u8 extsts;
+ u8 lsadr;
+ u8 hsadr;
+ u8 clkdiv;
+ u8 intmsk;
+ u8 xfrcnt;
+ u8 xtcntlss;
+ u8 directcntl;
+};
+
+struct ibm_iic_private {
+ struct i2c_adapter adap;
+ volatile struct iic_regs __iomem *vaddr;
+ wait_queue_head_t wq;
+ int idx;
+ int irq;
+ int fast_mode;
+ u8 clckdiv;
+};
+
+/* IICx_CNTL register */
+#define CNTL_HMT 0x80
+#define CNTL_AMD 0x40
+#define CNTL_TCT_MASK 0x30
+#define CNTL_TCT_SHIFT 4
+#define CNTL_RPST 0x08
+#define CNTL_CHT 0x04
+#define CNTL_RW 0x02
+#define CNTL_PT 0x01
+
+/* IICx_MDCNTL register */
+#define MDCNTL_FSDB 0x80
+#define MDCNTL_FMDB 0x40
+#define MDCNTL_EGC 0x20
+#define MDCNTL_FSM 0x10
+#define MDCNTL_ESM 0x08
+#define MDCNTL_EINT 0x04
+#define MDCNTL_EUBS 0x02
+#define MDCNTL_HSCL 0x01
+
+/* IICx_STS register */
+#define STS_SSS 0x80
+#define STS_SLPR 0x40
+#define STS_MDBS 0x20
+#define STS_MDBF 0x10
+#define STS_SCMP 0x08
+#define STS_ERR 0x04
+#define STS_IRQA 0x02
+#define STS_PT 0x01
+
+/* IICx_EXTSTS register */
+#define EXTSTS_IRQP 0x80
+#define EXTSTS_BCS_MASK 0x70
+#define EXTSTS_BCS_FREE 0x40
+#define EXTSTS_IRQD 0x08
+#define EXTSTS_LA 0x04
+#define EXTSTS_ICT 0x02
+#define EXTSTS_XFRA 0x01
+
+/* IICx_INTRMSK register */
+#define INTRMSK_EIRC 0x80
+#define INTRMSK_EIRS 0x40
+#define INTRMSK_EIWC 0x20
+#define INTRMSK_EIWS 0x10
+#define INTRMSK_EIHE 0x08
+#define INTRMSK_EIIC 0x04
+#define INTRMSK_EITA 0x02
+#define INTRMSK_EIMTC 0x01
+
+/* IICx_XFRCNT register */
+#define XFRCNT_MTC_MASK 0x07
+
+/* IICx_XTCNTLSS register */
+#define XTCNTLSS_SRC 0x80
+#define XTCNTLSS_SRS 0x40
+#define XTCNTLSS_SWC 0x20
+#define XTCNTLSS_SWS 0x10
+#define XTCNTLSS_SRST 0x01
+
+/* IICx_DIRECTCNTL register */
+#define DIRCNTL_SDAC 0x08
+#define DIRCNTL_SCC 0x04
+#define DIRCNTL_MSDA 0x02
+#define DIRCNTL_MSC 0x01
+
+/* Check if we really control the I2C bus and bus is free */
+#define DIRCTNL_FREE(v) (((v) & 0x0f) == 0x0f)
+
+#endif /* __I2C_IBM_IIC_H_ */