mfd: Add Freescale MC13783 driver

This driver provides the core Freescale MC13783 support. It
registers the client platform_devices and provides access
to the A/D converter.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/mfd/Kconfig

@@ -238,6 +238,16 @@ config MFD_PCF50633
 	  facilities, and registers devices for the various functions
 	  so that function-specific drivers can bind to them.
 
+config MFD_MC13783
+	tristate "Support Freescale MC13783"
+	depends on SPI_MASTER
+	select MFD_CORE
+	help
+	  Support for the Freescale (Atlas) MC13783 PMIC and audio CODEC.
+	  This driver provides common support for accessing  the device,
+	  additional drivers must be enabled in order to use the
+	  functionality of the device.
+
 config PCF50633_ADC
 	tristate "Support for NXP PCF50633 ADC"
 	depends on MFD_PCF50633

drivers/mfd/Makefile

@@ -26,6 +26,8 @@ obj-$(CONFIG_MENELAUS)		+= menelaus.o
 
 obj-$(CONFIG_TWL4030_CORE)	+= twl4030-core.o twl4030-irq.o
 
+obj-$(CONFIG_MFD_MC13783)	+= mc13783-core.o
+
 obj-$(CONFIG_MFD_CORE)		+= mfd-core.o
 
 obj-$(CONFIG_EZX_PCAP)		+= ezx-pcap.o

include/linux/mfd/mc13783.h

+/*
+ * Copyright 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * Initial development of this code was funded by
+ * Phytec Messtechnik GmbH, http://www.phytec.de
+ *
+ * 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 __INCLUDE_LINUX_MFD_MC13783_H
+#define __INCLUDE_LINUX_MFD_MC13783_H
+
+struct mc13783;
+struct regulator_init_data;
+
+struct mc13783_regulator_init_data {
+	int id;
+	struct regulator_init_data *init_data;
+};
+
+struct mc13783_platform_data {
+	struct mc13783_regulator_init_data *regulators;
+	int num_regulators;
+	unsigned int flags;
+};
+
+/* mc13783_platform_data flags */
+#define MC13783_USE_TOUCHSCREEN (1 << 0)
+#define MC13783_USE_CODEC	(1 << 1)
+#define MC13783_USE_ADC		(1 << 2)
+#define MC13783_USE_RTC		(1 << 3)
+#define MC13783_USE_REGULATOR	(1 << 4)
+
+int mc13783_adc_do_conversion(struct mc13783 *mc13783, unsigned int mode,
+		unsigned int channel, unsigned int *sample);
+
+void mc13783_adc_set_ts_status(struct mc13783 *mc13783, unsigned int status);
+
+#define	MC13783_SW_SW1A		0
+#define	MC13783_SW_SW1B		1
+#define	MC13783_SW_SW2A		2
+#define	MC13783_SW_SW2B		3
+#define	MC13783_SW_SW3		4
+#define	MC13783_SW_PLL		5
+#define	MC13783_REGU_VAUDIO	6
+#define	MC13783_REGU_VIOHI	7
+#define	MC13783_REGU_VIOLO	8
+#define	MC13783_REGU_VDIG	9
+#define	MC13783_REGU_VGEN	10
+#define	MC13783_REGU_VRFDIG	11
+#define	MC13783_REGU_VRFREF	12
+#define	MC13783_REGU_VRFCP	13
+#define	MC13783_REGU_VSIM	14
+#define	MC13783_REGU_VESIM	15
+#define	MC13783_REGU_VCAM	16
+#define	MC13783_REGU_VRFBG	17
+#define	MC13783_REGU_VVIB	18
+#define	MC13783_REGU_VRF1	19
+#define	MC13783_REGU_VRF2	20
+#define	MC13783_REGU_VMMC1	21
+#define	MC13783_REGU_VMMC2	22
+#define	MC13783_REGU_GPO1	23
+#define	MC13783_REGU_GPO2	24
+#define	MC13783_REGU_GPO3	25
+#define	MC13783_REGU_GPO4	26
+#define	MC13783_REGU_V1		27
+#define	MC13783_REGU_V2		28
+#define	MC13783_REGU_V3		29
+#define	MC13783_REGU_V4		30
+
+#endif /* __INCLUDE_LINUX_MFD_MC13783_H */
+