summaryrefslogtreecommitdiffstats
path: root/kernel/include/linux/mfd/lp8788-isink.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/include/linux/mfd/lp8788-isink.h')
-rw-r--r--kernel/include/linux/mfd/lp8788-isink.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/kernel/include/linux/mfd/lp8788-isink.h b/kernel/include/linux/mfd/lp8788-isink.h
new file mode 100644
index 000000000..f38262d21
--- /dev/null
+++ b/kernel/include/linux/mfd/lp8788-isink.h
@@ -0,0 +1,52 @@
+/*
+ * TI LP8788 MFD - common definitions for current sinks
+ *
+ * Copyright 2012 Texas Instruments
+ *
+ * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __ISINK_LP8788_H__
+#define __ISINK_LP8788_H__
+
+/* register address */
+#define LP8788_ISINK_CTRL 0x99
+#define LP8788_ISINK12_IOUT 0x9A
+#define LP8788_ISINK3_IOUT 0x9B
+#define LP8788_ISINK1_PWM 0x9C
+#define LP8788_ISINK2_PWM 0x9D
+#define LP8788_ISINK3_PWM 0x9E
+
+/* mask bits */
+#define LP8788_ISINK1_IOUT_M 0x0F /* Addr 9Ah */
+#define LP8788_ISINK2_IOUT_M 0xF0
+#define LP8788_ISINK3_IOUT_M 0x0F /* Addr 9Bh */
+
+/* 6 bits used for PWM code : Addr 9C ~ 9Eh */
+#define LP8788_ISINK_MAX_PWM 63
+#define LP8788_ISINK_SCALE_OFFSET 3
+
+static const u8 lp8788_iout_addr[] = {
+ LP8788_ISINK12_IOUT,
+ LP8788_ISINK12_IOUT,
+ LP8788_ISINK3_IOUT,
+};
+
+static const u8 lp8788_iout_mask[] = {
+ LP8788_ISINK1_IOUT_M,
+ LP8788_ISINK2_IOUT_M,
+ LP8788_ISINK3_IOUT_M,
+};
+
+static const u8 lp8788_pwm_addr[] = {
+ LP8788_ISINK1_PWM,
+ LP8788_ISINK2_PWM,
+ LP8788_ISINK3_PWM,
+};
+
+#endif