2 files changed, 110 insertions, 0 deletions

diff --git a/include/asm-arm/arch-pnx4008/i2c.h b/include/asm-arm/arch-pnx4008/i2c.h
new file mode 100644
index 000000000000..92e8d65006f7
--- /dev/null
+++ b/include/asm-arm/arch-pnx4008/i2c.h
@@ -0,0 +1,67 @@
+/*
+ * PNX4008-specific tweaks for I2C IP3204 block
+ *
+ * Author: Vitaly Wool <vwool@ru.mvista.com>
+ *
+ * 2005 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#ifndef __ASM_ARCH_I2C_H__
+#define __ASM_ARCH_I2C_H__
+
+#include <linux/pm.h>
+#include <linux/platform_device.h>
+
+enum {
+        mstatus_tdi = 0x00000001,
+        mstatus_afi = 0x00000002,
+        mstatus_nai = 0x00000004,
+        mstatus_drmi = 0x00000008,
+        mstatus_active = 0x00000020,
+        mstatus_scl = 0x00000040,
+        mstatus_sda = 0x00000080,
+        mstatus_rff = 0x00000100,
+        mstatus_rfe = 0x00000200,
+        mstatus_tff = 0x00000400,
+        mstatus_tfe = 0x00000800,
+};
+
+enum {
+        mcntrl_tdie = 0x00000001,
+        mcntrl_afie = 0x00000002,
+        mcntrl_naie = 0x00000004,
+        mcntrl_drmie = 0x00000008,
+        mcntrl_daie = 0x00000020,
+        mcntrl_rffie = 0x00000040,
+        mcntrl_tffie = 0x00000080,
+        mcntrl_reset = 0x00000100,
+        mcntrl_cdbmode = 0x00000400,
+};
+
+enum {
+        rw_bit = 1 << 0,
+        start_bit = 1 << 8,
+        stop_bit = 1 << 9,
+};
+
+#define I2C_REG_RX(a)   ((a)->ioaddr)           /* Rx FIFO reg (RO) */
+#define I2C_REG_TX(a)   ((a)->ioaddr)           /* Tx FIFO reg (WO) */
+#define I2C_REG_STS(a)  ((a)->ioaddr + 0x04)    /* Status reg (RO) */
+#define I2C_REG_CTL(a)  ((a)->ioaddr + 0x08)    /* Ctl reg */
+#define I2C_REG_CKL(a)  ((a)->ioaddr + 0x0c)    /* Clock divider low */
+#define I2C_REG_CKH(a)  ((a)->ioaddr + 0x10)    /* Clock divider high */
+#define I2C_REG_ADR(a)  ((a)->ioaddr + 0x14)    /* I2C address */
+#define I2C_REG_RFL(a)  ((a)->ioaddr + 0x18)    /* Rx FIFO level (RO) */
+#define I2C_REG_TFL(a)  ((a)->ioaddr + 0x1c)    /* Tx FIFO level (RO) */
+#define I2C_REG_RXB(a)  ((a)->ioaddr + 0x20)    /* Num of bytes Rx-ed (RO) */
+#define I2C_REG_TXB(a)  ((a)->ioaddr + 0x24)    /* Num of bytes Tx-ed (RO) */
+#define I2C_REG_TXS(a)  ((a)->ioaddr + 0x28)    /* Tx slave FIFO (RO) */
+#define I2C_REG_STFL(a) ((a)->ioaddr + 0x2c)    /* Tx slave FIFO level (RO) */
+
+#define HCLK_MHZ                13
+#define I2C_CHIP_NAME           "PNX4008-I2C"
+
+#endif                          /* __ASM_ARCH_I2C_H___ */
diff --git a/include/linux/i2c-pnx.h b/include/linux/i2c-pnx.h
new file mode 100644
index 000000000000..e6e9c814da61
--- /dev/null
+++ b/include/linux/i2c-pnx.h
@@ -0,0 +1,43 @@
+/*
+ * Header file for I2C support on PNX010x/4008.
+ *
+ * Author: Dennis Kovalev <dkovalev@ru.mvista.com>
+ *
+ * 2004-2006 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#ifndef __I2C_PNX_H__
+#define __I2C_PNX_H__
+
+#include <asm/arch/i2c.h>
+
+struct i2c_pnx_mif {
+        int                     ret;            /* Return value */
+        int                     mode;           /* Interface mode */
+        struct completion       complete;       /* I/O completion */
+        struct timer_list       timer;          /* Timeout */
+        char *                  buf;            /* Data buffer */
+        int                     len;            /* Length of data buffer */
+};
+
+struct i2c_pnx_algo_data {
+        u32                     base;
+        u32                     ioaddr;
+        int                     irq;
+        struct i2c_pnx_mif      mif;
+        int                     last;
+};
+
+struct i2c_pnx_data {
+        int (*suspend) (struct platform_device *pdev, pm_message_t state);
+        int (*resume) (struct platform_device *pdev);
+        u32 (*calculate_input_freq) (struct platform_device *pdev);
+        int (*set_clock_run) (struct platform_device *pdev);
+        int (*set_clock_stop) (struct platform_device *pdev);
+        struct i2c_adapter *adapter;
+};
+
+#endif /* __I2C_PNX_H__ */