mfd: ricoh583: Add core driver

Adding core driver for the Powermanagement system device
RICOH 583.

bug 822562

Change-Id: I8a21b42800bd9043f901689ed354618165c42534
Reviewed-on: http://git-master/r/40035
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>

1 files changed, 127 insertions, 0 deletions

diff --git a/include/linux/mfd/ricoh583.h b/include/linux/mfd/ricoh583.h
new file mode 100644
index 000000000000..e420bc9a57cd
--- /dev/null
+++ b/include/linux/mfd/ricoh583.h
@@ -0,0 +1,127 @@
+/* include/linux/mfd/ricoh583.h
+ *
+ * Core driver interface to access RICOH583 power management chip.
+ *
+ * Copyright (C) 2011 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_RICOH583_H
+#define __LINUX_MFD_RICOH583_H
+
+/* RICOH583 IRQ definitions */
+enum {
+	RICOH583_IRQ_ONKEY,
+	RICOH583_IRQ_ACOK,
+	RICOH583_IRQ_LIDOPEN,
+	RICOH583_IRQ_PREOT,
+	RICOH583_IRQ_CLKSTP,
+	RICOH583_IRQ_ONKEY_OFF,
+	RICOH583_IRQ_WD,
+	RICOH583_IRQ_EN_PWRREQ1,
+	RICOH583_IRQ_EN_PWRREQ2,
+	RICOH583_IRQ_PRE_VINDET,
+
+	RICOH583_IRQ_DC0LIM,
+	RICOH583_IRQ_DC1LIM,
+	RICOH583_IRQ_DC2LIM,
+	RICOH583_IRQ_DC3LIM,
+
+	RICOH583_IRQ_CTC,
+	RICOH583_IRQ_YALE,
+	RICOH583_IRQ_DALE,
+	RICOH583_IRQ_WALE,
+
+	RICOH583_IRQ_AIN1L,
+	RICOH583_IRQ_AIN2L,
+	RICOH583_IRQ_AIN3L,
+	RICOH583_IRQ_VBATL,
+	RICOH583_IRQ_VIN3L,
+	RICOH583_IRQ_VIN8L,
+	RICOH583_IRQ_AIN1H,
+	RICOH583_IRQ_AIN2H,
+	RICOH583_IRQ_AIN3H,
+	RICOH583_IRQ_VBATH,
+	RICOH583_IRQ_VIN3H,
+	RICOH583_IRQ_VIN8H,
+	RICOH583_IRQ_ADCEND,
+
+	RICOH583_IRQ_GPIO0,
+	RICOH583_IRQ_GPIO1,
+	RICOH583_IRQ_GPIO2,
+	RICOH583_IRQ_GPIO3,
+	RICOH583_IRQ_GPIO4,
+	RICOH583_IRQ_GPIO5,
+	RICOH583_IRQ_GPIO6,
+	RICOH583_IRQ_GPIO7,
+	RICOH583_NR_IRQS,
+};
+
+/* Ricoh583 gpio definitions */
+enum {
+	RICOH583_GPIO0,
+	RICOH583_GPIO1,
+	RICOH583_GPIO2,
+	RICOH583_GPIO3,
+	RICOH583_GPIO4,
+	RICOH583_GPIO5,
+	RICOH583_GPIO6,
+	RICOH583_GPIO7,
+
+	RICOH583_NR_GPIO,
+};
+
+struct ricoh583_subdev_info {
+	int		id;
+	const char	*name;
+	void		*platform_data;
+};
+
+struct ricoh583_rtc_platform_data {
+	int irq;
+};
+
+struct ricoh583_gpio_init_data {
+	unsigned pulldn_en:1;   /* Enable pull down */
+	unsigned output_mode_en:1; /* Enable output mode during init */
+	unsigned output_val:1;  /* Output value if it is in output mode */
+	unsigned init_apply:1;  /* Apply init data on configuring gpios*/
+};
+
+struct ricoh583_platform_data {
+	int		num_subdevs;
+	struct	ricoh583_subdev_info *subdevs;
+	int		gpio_base;
+	int		irq_base;
+
+	struct ricoh583_gpio_init_data *gpio_init_data;
+	int num_gpioinit_data;
+};
+
+extern int ricoh583_read(struct device *dev, uint8_t reg, uint8_t *val);
+extern int ricoh583_bulk_read(struct device *dev, u8 reg, u8 count,
+				uint8_t *val);
+extern int ricoh583_write(struct device *dev, u8 reg, uint8_t val);
+extern int ricoh583_bulk_write(struct device *dev, u8 reg, u8 count,
+				uint8_t *val);
+extern int ricoh583_set_bits(struct device *dev, u8 reg, uint8_t bit_mask);
+extern int ricoh583_clr_bits(struct device *dev, u8 reg, uint8_t bit_mask);
+extern int ricoh583_update(struct device *dev, u8 reg, uint8_t val,
+					uint8_t mask);
+extern int ricoh583_power_off(void);
+
+#endif