Initial import

1 files changed, 156 insertions, 0 deletions

diff --git a/include/linux/mfd/tps65090.h b/include/linux/mfd/tps65090.h
new file mode 100644
index 000000000..0bf2708df
--- /dev/null
+++ b/include/linux/mfd/tps65090.h
@@ -0,0 +1,156 @@
+/*
+ * Core driver interface for TI TPS65090 PMIC family
+ *
+ * Copyright (C) 2012 NVIDIA Corporation
+ *
+ * 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 __LINUX_MFD_TPS65090_H
+#define __LINUX_MFD_TPS65090_H
+
+#include <linux/irq.h>
+#include <linux/regmap.h>
+
+/* TPS65090 IRQs */
+enum {
+	TPS65090_IRQ_INTERRUPT,
+	TPS65090_IRQ_VAC_STATUS_CHANGE,
+	TPS65090_IRQ_VSYS_STATUS_CHANGE,
+	TPS65090_IRQ_BAT_STATUS_CHANGE,
+	TPS65090_IRQ_CHARGING_STATUS_CHANGE,
+	TPS65090_IRQ_CHARGING_COMPLETE,
+	TPS65090_IRQ_OVERLOAD_DCDC1,
+	TPS65090_IRQ_OVERLOAD_DCDC2,
+	TPS65090_IRQ_OVERLOAD_DCDC3,
+	TPS65090_IRQ_OVERLOAD_FET1,
+	TPS65090_IRQ_OVERLOAD_FET2,
+	TPS65090_IRQ_OVERLOAD_FET3,
+	TPS65090_IRQ_OVERLOAD_FET4,
+	TPS65090_IRQ_OVERLOAD_FET5,
+	TPS65090_IRQ_OVERLOAD_FET6,
+	TPS65090_IRQ_OVERLOAD_FET7,
+};
+
+/* TPS65090 Regulator ID */
+enum {
+	TPS65090_REGULATOR_DCDC1,
+	TPS65090_REGULATOR_DCDC2,
+	TPS65090_REGULATOR_DCDC3,
+	TPS65090_REGULATOR_FET1,
+	TPS65090_REGULATOR_FET2,
+	TPS65090_REGULATOR_FET3,
+	TPS65090_REGULATOR_FET4,
+	TPS65090_REGULATOR_FET5,
+	TPS65090_REGULATOR_FET6,
+	TPS65090_REGULATOR_FET7,
+	TPS65090_REGULATOR_LDO1,
+	TPS65090_REGULATOR_LDO2,
+
+	/* Last entry for maximum ID */
+	TPS65090_REGULATOR_MAX,
+};
+
+/* Register addresses */
+#define TPS65090_REG_INTR_STS	0x00
+#define TPS65090_REG_INTR_STS2	0x01
+#define TPS65090_REG_INTR_MASK	0x02
+#define TPS65090_REG_INTR_MASK2	0x03
+#define TPS65090_REG_CG_CTRL0	0x04
+#define TPS65090_REG_CG_CTRL1	0x05
+#define TPS65090_REG_CG_CTRL2	0x06
+#define TPS65090_REG_CG_CTRL3	0x07
+#define TPS65090_REG_CG_CTRL4	0x08
+#define TPS65090_REG_CG_CTRL5	0x09
+#define TPS65090_REG_CG_STATUS1	0x0a
+#define TPS65090_REG_CG_STATUS2	0x0b
+
+struct tps65090 {
+	struct device		*dev;
+	struct regmap		*rmap;
+	struct regmap_irq_chip_data *irq_data;
+};
+
+/*
+ * struct tps65090_regulator_plat_data
+ *
+ * @reg_init_data: The regulator init data.
+ * @enable_ext_control: Enable extrenal control or not. Only available for
+ *     DCDC1, DCDC2 and DCDC3.
+ * @gpio: Gpio number if external control is enabled and controlled through
+ *     gpio.
+ * @overcurrent_wait_valid: True if the overcurrent_wait should be applied.
+ * @overcurrent_wait: Value to set as the overcurrent wait time.  This is the
+ *     actual bitfield value, not a time in ms (valid value are 0 - 3).
+ */
+struct tps65090_regulator_plat_data {
+	struct regulator_init_data *reg_init_data;
+	bool enable_ext_control;
+	int gpio;
+	bool overcurrent_wait_valid;
+	int overcurrent_wait;
+};
+
+struct tps65090_platform_data {
+	int irq_base;
+
+	char **supplied_to;
+	size_t num_supplicants;
+	int enable_low_current_chrg;
+
+	struct tps65090_regulator_plat_data *reg_pdata[TPS65090_REGULATOR_MAX];
+};
+
+/*
+ * NOTE: the functions below are not intended for use outside
+ * of the TPS65090 sub-device drivers
+ */
+static inline int tps65090_write(struct device *dev, int reg, uint8_t val)
+{
+	struct tps65090 *tps = dev_get_drvdata(dev);
+
+	return regmap_write(tps->rmap, reg, val);
+}
+
+static inline int tps65090_read(struct device *dev, int reg, uint8_t *val)
+{
+	struct tps65090 *tps = dev_get_drvdata(dev);
+	unsigned int temp_val;
+	int ret;
+
+	ret = regmap_read(tps->rmap, reg, &temp_val);
+	if (!ret)
+		*val = temp_val;
+	return ret;
+}
+
+static inline int tps65090_set_bits(struct device *dev, int reg,
+		uint8_t bit_num)
+{
+	struct tps65090 *tps = dev_get_drvdata(dev);
+
+	return regmap_update_bits(tps->rmap, reg, BIT(bit_num), ~0u);
+}
+
+static inline int tps65090_clr_bits(struct device *dev, int reg,
+		uint8_t bit_num)
+{
+	struct tps65090 *tps = dev_get_drvdata(dev);
+
+	return regmap_update_bits(tps->rmap, reg, BIT(bit_num), 0u);
+}
+
+#endif /*__LINUX_MFD_TPS65090_H */