summaryrefslogtreecommitdiffstats
path: root/drivers/i2c/busses/i2c-sibyte.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/i2c/busses/i2c-sibyte.c')
-rw-r--r--drivers/i2c/busses/i2c-sibyte.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c
new file mode 100644
index 00000000000..e5dd90bdb04
--- /dev/null
+++ b/drivers/i2c/busses/i2c-sibyte.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2004 Steven J. Hill
+ * Copyright (C) 2001,2002,2003 Broadcom Corporation
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/i2c-algo-sibyte.h>
+#include <asm/sibyte/sb1250_regs.h>
+#include <asm/sibyte/sb1250_smbus.h>
+
+static struct i2c_algo_sibyte_data sibyte_board_data[2] = {
+ { NULL, 0, (void *) (KSEG1+A_SMB_BASE(0)) },
+ { NULL, 1, (void *) (KSEG1+A_SMB_BASE(1)) }
+};
+
+static struct i2c_adapter sibyte_board_adapter[2] = {
+ {
+ .owner = THIS_MODULE,
+ .id = I2C_HW_SIBYTE,
+ .class = I2C_CLASS_HWMON,
+ .algo = NULL,
+ .algo_data = &sibyte_board_data[0],
+ .name = "SiByte SMBus 0",
+ },
+ {
+ .owner = THIS_MODULE,
+ .id = I2C_HW_SIBYTE,
+ .class = I2C_CLASS_HWMON,
+ .algo = NULL,
+ .algo_data = &sibyte_board_data[1],
+ .name = "SiByte SMBus 1",
+ },
+};
+
+static int __init i2c_sibyte_init(void)
+{
+ printk("i2c-swarm.o: i2c SMBus adapter module for SiByte board\n");
+ if (i2c_sibyte_add_bus(&sibyte_board_adapter[0], K_SMB_FREQ_100KHZ) < 0)
+ return -ENODEV;
+ if (i2c_sibyte_add_bus(&sibyte_board_adapter[1], K_SMB_FREQ_400KHZ) < 0)
+ return -ENODEV;
+ return 0;
+}
+
+static void __exit i2c_sibyte_exit(void)
+{
+ i2c_sibyte_del_bus(&sibyte_board_adapter[0]);
+ i2c_sibyte_del_bus(&sibyte_board_adapter[1]);
+}
+
+module_init(i2c_sibyte_init);
+module_exit(i2c_sibyte_exit);
+
+MODULE_AUTHOR("Kip Walker <kwalker@broadcom.com>, Steven J. Hill <sjhill@realitydiluted.com>");
+MODULE_DESCRIPTION("SMBus adapter routines for SiByte boards");
+MODULE_LICENSE("GPL");