mfd: Add LPC driver for Intel ICH chipsets
This driver currently creates resources for use by a forthcoming ICH
chipset GPIO driver. It could be expanded to create the resources for
converting the esb2rom (mtd) and iTCO_wdt (wdt), and potentially more,
drivers to use the mfd model.
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/lpc_ich.h b/include/linux/mfd/lpc_ich.h
new file mode 100644
index 0000000..91300b1
--- /dev/null
+++ b/include/linux/mfd/lpc_ich.h
@@ -0,0 +1,41 @@
+/*
+ * linux/drivers/mfd/lpc_ich.h
+ *
+ * Copyright (c) 2012 Extreme Engineering Solution, Inc.
+ * Author: Aaron Sierra <asierra@xes-inc.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License 2 as published
+ * by the Free Software Foundation.
+ *
+ * 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; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#ifndef LPC_ICH_H
+#define LPC_ICH_H
+
+/* GPIO resources */
+#define ICH_RES_GPIO 0
+#define ICH_RES_GPE0 1
+
+/* GPIO compatibility */
+#define ICH_I3100_GPIO 0x401
+#define ICH_V5_GPIO 0x501
+#define ICH_V6_GPIO 0x601
+#define ICH_V7_GPIO 0x701
+#define ICH_V9_GPIO 0x801
+#define ICH_V10CORP_GPIO 0xa01
+#define ICH_V10CONS_GPIO 0xa11
+
+struct lpc_ich_info {
+ char name[32];
+ unsigned int gpio_version;
+};
+
+#endif