regulator: add new regulator driver for lp872x

This driver supports TI/National LP8720, LP8725 PMIC.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Reviewed-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 90 insertions, 0 deletions

diff --git a/include/linux/regulator/lp872x.h b/include/linux/regulator/lp872x.h
new file mode 100644
index 000000000000..132e05c46661
--- /dev/null
+++ b/include/linux/regulator/lp872x.h
@@ -0,0 +1,90 @@
+/*
+ * 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 __LP872X_REGULATOR_H__
+#define __LP872X_REGULATOR_H__
+
+#include <linux/regulator/machine.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#define LP872X_MAX_REGULATORS		9
+
+enum lp872x_regulator_id {
+	LP8720_ID_BASE,
+	LP8720_ID_LDO1 = LP8720_ID_BASE,
+	LP8720_ID_LDO2,
+	LP8720_ID_LDO3,
+	LP8720_ID_LDO4,
+	LP8720_ID_LDO5,
+	LP8720_ID_BUCK,
+
+	LP8725_ID_BASE,
+	LP8725_ID_LDO1 = LP8725_ID_BASE,
+	LP8725_ID_LDO2,
+	LP8725_ID_LDO3,
+	LP8725_ID_LDO4,
+	LP8725_ID_LDO5,
+	LP8725_ID_LILO1,
+	LP8725_ID_LILO2,
+	LP8725_ID_BUCK1,
+	LP8725_ID_BUCK2,
+
+	LP872X_ID_MAX,
+};
+
+enum lp872x_dvs_state {
+	DVS_LOW  = GPIOF_OUT_INIT_LOW,
+	DVS_HIGH = GPIOF_OUT_INIT_HIGH,
+};
+
+enum lp872x_dvs_sel {
+	SEL_V1,
+	SEL_V2,
+};
+
+/**
+ * lp872x_dvs
+ * @gpio       : gpio pin number for dvs control
+ * @vsel       : dvs selector for buck v1 or buck v2 register
+ * @init_state : initial dvs pin state
+ */
+struct lp872x_dvs {
+	int gpio;
+	enum lp872x_dvs_sel vsel;
+	enum lp872x_dvs_state init_state;
+};
+
+/**
+ * lp872x_regdata
+ * @id        : regulator id
+ * @init_data : init data for each regulator
+ */
+struct lp872x_regulator_data {
+	enum lp872x_regulator_id id;
+	struct regulator_init_data *init_data;
+};
+
+/**
+ * lp872x_platform_data
+ * @general_config    : the value of LP872X_GENERAL_CFG register
+ * @update_config     : if LP872X_GENERAL_CFG register is updated, set true
+ * @regulator_data    : platform regulator id and init data
+ * @dvs               : dvs data for buck voltage control
+ */
+struct lp872x_platform_data {
+	u8 general_config;
+	bool update_config;
+	struct lp872x_regulator_data regulator_data[LP872X_MAX_REGULATORS];
+	struct lp872x_dvs *dvs;
+};
+
+#endif