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Diffstat (limited to 'include/linux/mfd/retu.h')
-rw-r--r--include/linux/mfd/retu.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/mfd/retu.h b/include/linux/mfd/retu.h
new file mode 100644
index 000000000..65471c4a3
--- /dev/null
+++ b/include/linux/mfd/retu.h
@@ -0,0 +1,28 @@
+/*
+ * Retu/Tahvo MFD driver interface
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ */
+
+#ifndef __LINUX_MFD_RETU_H
+#define __LINUX_MFD_RETU_H
+
+struct retu_dev;
+
+int retu_read(struct retu_dev *, u8);
+int retu_write(struct retu_dev *, u8, u16);
+
+/* Registers */
+#define RETU_REG_WATCHDOG 0x17 /* Watchdog */
+#define RETU_REG_CC1 0x0d /* Common control register 1 */
+#define RETU_REG_STATUS 0x16 /* Status register */
+
+/* Interrupt sources */
+#define TAHVO_INT_VBUS 0 /* VBUS state */
+
+/* Interrupt status */
+#define TAHVO_STAT_VBUS (1 << TAHVO_INT_VBUS)
+
+#endif /* __LINUX_MFD_RETU_H */