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authorAxel Lin <axel.lin@gmail.com>2010-09-16 16:48:49 +0800
committerLiam Girdwood <lrg@slimlogic.co.uk>2010-10-28 22:40:31 +0100
commit5976f0959d5251ae5b4db848eaa2f42a19e98652 (patch)
treeee8396999d0b037a72bc5b8b8e5c8f18e10c0d49 /include
parent202f4f53e503ae09b431459131b5b3a99fa6d839 (diff)
downloadlinux-5976f0959d5251ae5b4db848eaa2f42a19e98652.tar.bz2
Regulator: LP3972 PMIC regulator driver
This patch adds regulator drivers for National Semiconductors LP3972 PMIC. This LP3972 PMIC controller has 3 DC/DC voltage converters and 5 low drop-out (LDO) regulators. LP3972 PMIC controller uses I2C interface. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'include')
-rw-r--r--include/linux/regulator/lp3972.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/linux/regulator/lp3972.h b/include/linux/regulator/lp3972.h
new file mode 100644
index 000000000000..9bb7389b7a1e
--- /dev/null
+++ b/include/linux/regulator/lp3972.h
@@ -0,0 +1,48 @@
+/*
+ * National Semiconductors LP3972 PMIC chip client interface
+ *
+ * Based on lp3971.h
+ *
+ * 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 __LINUX_REGULATOR_LP3972_H
+#define __LINUX_REGULATOR_LP3972_H
+
+#include <linux/regulator/machine.h>
+
+#define LP3972_LDO1 0
+#define LP3972_LDO2 1
+#define LP3972_LDO3 2
+#define LP3972_LDO4 3
+#define LP3972_LDO5 4
+
+#define LP3972_DCDC1 5
+#define LP3972_DCDC2 6
+#define LP3972_DCDC3 7
+
+#define LP3972_NUM_REGULATORS 8
+
+struct lp3972_regulator_subdev {
+ int id;
+ struct regulator_init_data *initdata;
+};
+
+struct lp3972_platform_data {
+ int num_regulators;
+ struct lp3972_regulator_subdev *regulators;
+};
+
+#endif