new PCA9564 i2c bridge driver

Signed-off-by: Valentin Yakovenkov <yakovenkov@niistt.ru>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

include/pca9564.h

@@ -0,0 +1,50 @@
+/*
+ * File:         include/pca9564.h
+ * Author:
+ *
+ * Created:      2009-06-23
+ * Description:  PCA9564 i2c bridge driver
+ *
+ * Modified:
+ *               Copyright 2009 CJSC "NII STT", http://www.niistt.ru/
+ *
+ * Bugs:
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef _PCA9564_H
+#define _PCA9564_H
+
+/* Clock speeds for the bus */
+#define PCA_CON_330kHz      0x00
+#define PCA_CON_288kHz      0x01
+#define PCA_CON_217kHz      0x02
+#define PCA_CON_146kHz      0x03
+#define PCA_CON_88kHz       0x04
+#define PCA_CON_59kHz       0x05
+#define PCA_CON_44kHz       0x06
+#define PCA_CON_36kHz       0x07
+
+#define PCA_CON_AA          0x80 /* Assert Acknowledge */
+#define PCA_CON_ENSIO       0x40 /* Enable */
+#define PCA_CON_STA         0x20 /* Start */
+#define PCA_CON_STO         0x10 /* Stop */
+#define PCA_CON_SI          0x08 /* Serial Interrupt */
+#define PCA_CON_CR          0x07 /* Clock Rate (MASK) */
+
+#endif
+