ENGR00160797-2 Add Anatop regulator driver

Add Anatop regulator driver.

Signed-off-by: Nancy Chen <Nancy.Chen@freescale.com>

1 files changed, 82 insertions, 0 deletions

diff --git a/include/linux/regulator/anatop-regulator.h b/include/linux/regulator/anatop-regulator.h
new file mode 100644
index 000000000000..a1d98ed42c25
--- /dev/null
+++ b/include/linux/regulator/anatop-regulator.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef __ANATOP_REGULATOR_H
+#define __ANATOP_REGULATOR_H
+#include <linux/regulator/driver.h>
+
+/* regulator supplies for Anatop */
+enum anatop_regulator_supplies {
+	ANATOP_VDDPU,
+	ANATOP_VDDCORE,
+	ANATOP_VDDSOC,
+	ANATOP_VDD2P5,
+	ANATOP_VDD1P1,
+	ANATOP_VDD3P0,
+	ANATOP_SUPPLY_NUM
+};
+
+struct anatop_regulator {
+	struct regulator_desc regulator;
+	struct anatop_regulator *parent;
+	struct anatop_regulator_data *rdata;
+	struct completion done;
+
+	spinlock_t         lock;
+	wait_queue_head_t  wait_q;
+	struct notifier_block nb;
+
+	int mode;
+	int cur_voltage;
+	int cur_current;
+	int next_current;
+};
+
+
+struct anatop_regulator_data {
+	char name[80];
+	char *parent_name;
+	int (*reg_register)(struct anatop_regulator *sreg);
+	int (*set_voltage)(struct anatop_regulator *sreg, int uv);
+	int (*get_voltage)(struct anatop_regulator *sreg);
+	int (*set_current)(struct anatop_regulator *sreg, int uA);
+	int (*get_current)(struct anatop_regulator *sreg);
+	int (*enable)(struct anatop_regulator *sreg);
+	int (*disable)(struct anatop_regulator *sreg);
+	int (*is_enabled)(struct anatop_regulator *sreg);
+	int (*set_mode)(struct anatop_regulator *sreg, int mode);
+	int (*get_mode)(struct anatop_regulator *sreg);
+	int (*get_optimum_mode)(struct anatop_regulator *sreg,
+			int input_uV, int output_uV, int load_uA);
+	u32 control_reg;
+	int vol_bit_shift;
+	int vol_bit_mask;
+	int min_bit_val;
+	int min_voltage;
+	int max_voltage;
+	int max_current;
+	struct regulation_constraints *cnstraints;
+};
+
+int anatop_register_regulator(
+		struct anatop_regulator *reg_data, int reg,
+		      struct regulator_init_data *initdata);
+
+#endif /* __ANATOP_REGULATOR_H */