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authorWolfram Sang <wsa@the-dreams.de>2017-05-21 22:34:43 +0200
committerGuenter Roeck <linux@roeck-us.net>2017-06-11 17:08:19 -0700
commit4ba1bb12cf21f4ee4681aee939c4d9d82d6f49f2 (patch)
tree8fe7c9b64784c200638ba2760415634cc8df807e /include/linux/pmbus.h
parent0c9fe1614126171c70e0dc0b0635d45a327ac82a (diff)
hwmon: (pmbus) move header file out of I2C realm
include/linux/i2c is not for client devices. Move the header file to a more appropriate location. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'include/linux/pmbus.h')
-rw-r--r--include/linux/pmbus.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/include/linux/pmbus.h b/include/linux/pmbus.h
new file mode 100644
index 000000000000..ee3c2aba2a8e
--- /dev/null
+++ b/include/linux/pmbus.h
@@ -0,0 +1,49 @@
+/*
+ * 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 */
+
+ /* regulator support */
+ int num_regulators;
+ struct regulator_init_data *reg_init_data;
+};
+
+#endif /* _PMBUS_H_ */