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authorStephen Rothwell <sfr@canb.auug.org.au>2011-03-01 12:20:17 +1100
committerStephen Rothwell <sfr@canb.auug.org.au>2011-03-01 12:20:17 +1100
commit2a3395462940a723826101a4b953502cdd510035 (patch)
tree49522191f63e8087c4c129e38e7899d22be667d7 /include
parent58c44dc7b9d51faa011ce03de10668d9b291d188 (diff)
parentddb965dfa796d6b8a2f28bec40cdb0d04d4c4734 (diff)
Merge remote-tracking branch 'hwmon-staging/hwmon-next'
Conflicts: drivers/hwmon/Makefile
Diffstat (limited to 'include')
-rw-r--r--include/linux/i2c/max6639.h14
-rw-r--r--include/linux/i2c/pmbus.h45
2 files changed, 59 insertions, 0 deletions
diff --git a/include/linux/i2c/max6639.h b/include/linux/i2c/max6639.h
new file mode 100644
index 000000000000..6011c42034da
--- /dev/null
+++ b/include/linux/i2c/max6639.h
@@ -0,0 +1,14 @@
+#ifndef _LINUX_MAX6639_H
+#define _LINUX_MAX6639_H
+
+#include <linux/types.h>
+
+/* platform data for the MAX6639 temperature sensor and fan control */
+
+struct max6639_platform_data {
+ bool pwm_polarity; /* Polarity low (0) or high (1, default) */
+ int ppr; /* Pulses per rotation 1..4 (default == 2) */
+ int rpm_range; /* 2000, 4000 (default), 8000 or 16000 */
+};
+
+#endif /* _LINUX_MAX6639_H */
diff --git a/include/linux/i2c/pmbus.h b/include/linux/i2c/pmbus.h
new file mode 100644
index 000000000000..69280db02c41
--- /dev/null
+++ b/include/linux/i2c/pmbus.h
@@ -0,0 +1,45 @@
+/*
+ * Hardware monitoring driver for PMBus devices
+ *
+ * Copyright (c) 2010, 2011 Ericsson AB.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _PMBUS_H_
+#define _PMBUS_H_
+
+/* flags */
+
+/*
+ * PMBUS_SKIP_STATUS_CHECK
+ *
+ * During register detection, skip checking the status register for
+ * communication or command errors.
+ *
+ * Some PMBus chips respond with valid data when trying to read an unsupported
+ * register. For such chips, checking the status register is mandatory when
+ * trying to determine if a chip register exists or not.
+ * Other PMBus chips don't support the STATUS_CML register, or report
+ * communication errors for no explicable reason. For such chips, checking
+ * the status register must be disabled.
+ */
+#define PMBUS_SKIP_STATUS_CHECK (1 << 0)
+
+struct pmbus_platform_data {
+ u32 flags; /* Device specific flags */
+};
+
+#endif /* _PMBUS_H_ */