aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mfd/wm831x/gpio.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/include/linux/mfd/wm831x/gpio.h b/include/linux/mfd/wm831x/gpio.h
new file mode 100644
index 0000000..2835614
--- /dev/null
+++ b/include/linux/mfd/wm831x/gpio.h
@@ -0,0 +1,55 @@
+/*
+ * include/linux/mfd/wm831x/gpio.h -- GPIO for WM831x
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * 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.
+ *
+ */
+
+#ifndef __MFD_WM831X_GPIO_H__
+#define __MFD_WM831X_GPIO_H__
+
+/*
+ * R16440-16455 (0x4038-0x4047) - GPIOx Control
+ */
+#define WM831X_GPN_DIR 0x8000 /* GPN_DIR */
+#define WM831X_GPN_DIR_MASK 0x8000 /* GPN_DIR */
+#define WM831X_GPN_DIR_SHIFT 15 /* GPN_DIR */
+#define WM831X_GPN_DIR_WIDTH 1 /* GPN_DIR */
+#define WM831X_GPN_PULL_MASK 0x6000 /* GPN_PULL - [14:13] */
+#define WM831X_GPN_PULL_SHIFT 13 /* GPN_PULL - [14:13] */
+#define WM831X_GPN_PULL_WIDTH 2 /* GPN_PULL - [14:13] */
+#define WM831X_GPN_INT_MODE 0x1000 /* GPN_INT_MODE */
+#define WM831X_GPN_INT_MODE_MASK 0x1000 /* GPN_INT_MODE */
+#define WM831X_GPN_INT_MODE_SHIFT 12 /* GPN_INT_MODE */
+#define WM831X_GPN_INT_MODE_WIDTH 1 /* GPN_INT_MODE */
+#define WM831X_GPN_PWR_DOM 0x0800 /* GPN_PWR_DOM */
+#define WM831X_GPN_PWR_DOM_MASK 0x0800 /* GPN_PWR_DOM */
+#define WM831X_GPN_PWR_DOM_SHIFT 11 /* GPN_PWR_DOM */
+#define WM831X_GPN_PWR_DOM_WIDTH 1 /* GPN_PWR_DOM */
+#define WM831X_GPN_POL 0x0400 /* GPN_POL */
+#define WM831X_GPN_POL_MASK 0x0400 /* GPN_POL */
+#define WM831X_GPN_POL_SHIFT 10 /* GPN_POL */
+#define WM831X_GPN_POL_WIDTH 1 /* GPN_POL */
+#define WM831X_GPN_OD 0x0200 /* GPN_OD */
+#define WM831X_GPN_OD_MASK 0x0200 /* GPN_OD */
+#define WM831X_GPN_OD_SHIFT 9 /* GPN_OD */
+#define WM831X_GPN_OD_WIDTH 1 /* GPN_OD */
+#define WM831X_GPN_TRI 0x0080 /* GPN_TRI */
+#define WM831X_GPN_TRI_MASK 0x0080 /* GPN_TRI */
+#define WM831X_GPN_TRI_SHIFT 7 /* GPN_TRI */
+#define WM831X_GPN_TRI_WIDTH 1 /* GPN_TRI */
+#define WM831X_GPN_FN_MASK 0x000F /* GPN_FN - [3:0] */
+#define WM831X_GPN_FN_SHIFT 0 /* GPN_FN - [3:0] */
+#define WM831X_GPN_FN_WIDTH 4 /* GPN_FN - [3:0] */
+
+#define WM831X_GPIO_PULL_NONE (0 << WM831X_GPN_PULL_SHIFT)
+#define WM831X_GPIO_PULL_DOWN (1 << WM831X_GPN_PULL_SHIFT)
+#define WM831X_GPIO_PULL_UP (2 << WM831X_GPN_PULL_SHIFT)
+#endif