mfd: Add mc13892 support to mc13xxx

mc13892 is the companion PMIC for Freescale's i.MX51.  It's similar enough
to mc13782 to support it in a single driver.

This patch introduces enough compatibility cruft to keep all users of the
superseded mc13783 driver unchanged.
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>

drivers/mfd/Kconfig

@@ -409,11 +409,16 @@ config MFD_PCF50633
 	  so that function-specific drivers can bind to them.
 
 config MFD_MC13783
-	tristate "Support Freescale MC13783"
+	tristate
+
+config MFD_MC13XXX
+	tristate "Support Freescale MC13783 and MC13892"
 	depends on SPI_MASTER
 	select MFD_CORE
+	select MFD_MC13783
 	help
-	  Support for the Freescale (Atlas) MC13783 PMIC and audio CODEC.
+	  Support for the Freescale (Atlas) PMIC and audio CODECs
+	  MC13783 and MC13892.
 	  This driver provides common support for accessing  the device,
 	  additional drivers must be enabled in order to use the
 	  functionality of the device.

drivers/mfd/Makefile

@@ -39,7 +39,7 @@ obj-$(CONFIG_TWL4030_POWER)    += twl4030-power.o
 obj-$(CONFIG_TWL4030_CODEC)	+= twl4030-codec.o
 obj-$(CONFIG_TWL6030_PWM)	+= twl6030-pwm.o
 
-obj-$(CONFIG_MFD_MC13783)	+= mc13783-core.o
+obj-$(CONFIG_MFD_MC13XXX)	+= mc13xxx-core.o
 
 obj-$(CONFIG_MFD_CORE)		+= mfd-core.o
 

include/linux/mfd/mc13783.h

 /*
- * Copyright 2009 Pengutronix
+ * Copyright 2009-2010 Pengutronix
  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
  *
  * This program is free software; you can redistribute it and/or modify it under
@@ -9,31 +9,84 @@
 #ifndef __LINUX_MFD_MC13783_H
 #define __LINUX_MFD_MC13783_H
 
-#include <linux/interrupt.h>
+#include <linux/mfd/mc13xxx.h>
 
 struct mc13783;
 
-void mc13783_lock(struct mc13783 *mc13783);
-void mc13783_unlock(struct mc13783 *mc13783);
-
-int mc13783_reg_read(struct mc13783 *mc13783, unsigned int offset, u32 *val);
-int mc13783_reg_write(struct mc13783 *mc13783, unsigned int offset, u32 val);
-int mc13783_reg_rmw(struct mc13783 *mc13783, unsigned int offset,
-		u32 mask, u32 val);
-
-int mc13783_get_flags(struct mc13783 *mc13783);
-
-int mc13783_irq_request(struct mc13783 *mc13783, int irq,
-		irq_handler_t handler, const char *name, void *dev);
-int mc13783_irq_request_nounmask(struct mc13783 *mc13783, int irq,
-		irq_handler_t handler, const char *name, void *dev);
-int mc13783_irq_free(struct mc13783 *mc13783, int irq, void *dev);
-
-int mc13783_irq_mask(struct mc13783 *mc13783, int irq);
-int mc13783_irq_unmask(struct mc13783 *mc13783, int irq);
-int mc13783_irq_status(struct mc13783 *mc13783, int irq,
-		int *enabled, int *pending);
-int mc13783_irq_ack(struct mc13783 *mc13783, int irq);
+struct mc13xxx *mc13783_to_mc13xxx(struct mc13783 *mc13783);
+
+static inline void mc13783_lock(struct mc13783 *mc13783)
+{
+	mc13xxx_lock(mc13783_to_mc13xxx(mc13783));
+}
+
+static inline void mc13783_unlock(struct mc13783 *mc13783)
+{
+	mc13xxx_unlock(mc13783_to_mc13xxx(mc13783));
+}
+
+static inline int mc13783_reg_read(struct mc13783 *mc13783,
+		unsigned int offset, u32 *val)
+{
+	return mc13xxx_reg_read(mc13783_to_mc13xxx(mc13783), offset, val);
+}
+
+static inline int mc13783_reg_write(struct mc13783 *mc13783,
+		unsigned int offset, u32 val)
+{
+	return mc13xxx_reg_write(mc13783_to_mc13xxx(mc13783), offset, val);
+}
+
+static inline int mc13783_reg_rmw(struct mc13783 *mc13783,
+		unsigned int offset, u32 mask, u32 val)
+{
+	return mc13xxx_reg_rmw(mc13783_to_mc13xxx(mc13783), offset, mask, val);
+}
+
+static inline int mc13783_get_flags(struct mc13783 *mc13783)
+{
+	return mc13xxx_get_flags(mc13783_to_mc13xxx(mc13783));
+}
+
+static inline int mc13783_irq_request(struct mc13783 *mc13783, int irq,
+		irq_handler_t handler, const char *name, void *dev)
+{
+	return mc13xxx_irq_request(mc13783_to_mc13xxx(mc13783), irq,
+			handler, name, dev);
+}
+
+static inline int mc13783_irq_request_nounmask(struct mc13783 *mc13783, int irq,
+		irq_handler_t handler, const char *name, void *dev)
+{
+	return mc13xxx_irq_request_nounmask(mc13783_to_mc13xxx(mc13783), irq,
+			handler, name, dev);
+}
+
+static inline int mc13783_irq_free(struct mc13783 *mc13783, int irq, void *dev)
+{
+	return mc13xxx_irq_free(mc13783_to_mc13xxx(mc13783), irq, dev);
+}
+
+static inline int mc13783_irq_mask(struct mc13783 *mc13783, int irq)
+{
+	return mc13xxx_irq_mask(mc13783_to_mc13xxx(mc13783), irq);
+}
+
+static inline int mc13783_irq_unmask(struct mc13783 *mc13783, int irq)
+{
+	return mc13xxx_irq_unmask(mc13783_to_mc13xxx(mc13783), irq);
+}
+static inline int mc13783_irq_status(struct mc13783 *mc13783, int irq,
+		int *enabled, int *pending)
+{
+	return mc13xxx_irq_status(mc13783_to_mc13xxx(mc13783),
+			irq, enabled, pending);
+}
+
+static inline int mc13783_irq_ack(struct mc13783 *mc13783, int irq)
+{
+	return mc13xxx_irq_ack(mc13783_to_mc13xxx(mc13783), irq);
+}
 
 #define MC13783_ADC0		43
 #define MC13783_ADC0_ADREFEN		(1 << 10)
@@ -48,96 +101,18 @@ int mc13783_irq_ack(struct mc13783 *mc13783, int irq);
 					MC13783_ADC0_TSMOD1 | \
 					MC13783_ADC0_TSMOD2)
 
-struct mc13783_led_platform_data {
-#define MC13783_LED_MD		0
-#define MC13783_LED_AD		1
-#define MC13783_LED_KP		2
-#define MC13783_LED_R1		3
-#define MC13783_LED_G1		4
-#define MC13783_LED_B1		5
-#define MC13783_LED_R2		6
-#define MC13783_LED_G2		7
-#define MC13783_LED_B2		8
-#define MC13783_LED_R3		9
-#define MC13783_LED_G3		10
-#define MC13783_LED_B3		11
-#define MC13783_LED_MAX MC13783_LED_B3
-	int id;
-	const char *name;
-	const char *default_trigger;
-
-/* Three or two bits current selection depending on the led */
-	char max_current;
-};
-
-struct mc13783_leds_platform_data {
-	int num_leds;
-	struct mc13783_led_platform_data *led;
-
-#define MC13783_LED_TRIODE_MD	(1 << 0)
-#define MC13783_LED_TRIODE_AD	(1 << 1)
-#define MC13783_LED_TRIODE_KP	(1 << 2)
-#define MC13783_LED_BOOST_EN	(1 << 3)
-#define MC13783_LED_TC1HALF	(1 << 4)
-#define MC13783_LED_SLEWLIMTC	(1 << 5)
-#define MC13783_LED_SLEWLIMBL	(1 << 6)
-#define MC13783_LED_TRIODE_TC1	(1 << 7)
-#define MC13783_LED_TRIODE_TC2	(1 << 8)
-#define MC13783_LED_TRIODE_TC3	(1 << 9)
-	int flags;
-
-#define MC13783_LED_AB_DISABLED		0
-#define MC13783_LED_AB_MD1		1
-#define MC13783_LED_AB_MD12		2
-#define MC13783_LED_AB_MD123		3
-#define MC13783_LED_AB_MD1234		4
-#define MC13783_LED_AB_MD1234_AD1	5
-#define MC13783_LED_AB_MD1234_AD12	6
-#define MC13783_LED_AB_MD1_AD		7
-	char abmode;
-
-#define MC13783_LED_ABREF_200MV	0
-#define MC13783_LED_ABREF_400MV	1
-#define MC13783_LED_ABREF_600MV	2
-#define MC13783_LED_ABREF_800MV	3
-	char abref;
-
-#define MC13783_LED_PERIOD_10MS		0
-#define MC13783_LED_PERIOD_100MS	1
-#define MC13783_LED_PERIOD_500MS	2
-#define MC13783_LED_PERIOD_2S		3
-	char bl_period;
-	char tc1_period;
-	char tc2_period;
-	char tc3_period;
-};
-
-/* to be cleaned up */
-struct regulator_init_data;
-
-struct mc13783_regulator_init_data {
-	int id;
-	struct regulator_init_data *init_data;
-};
-
-struct mc13783_regulator_platform_data {
-	int num_regulators;
-	struct mc13783_regulator_init_data *regulators;
-};
-
-struct mc13783_platform_data {
-	int num_regulators;
-	struct mc13783_regulator_init_data *regulators;
-	struct mc13783_leds_platform_data *leds;
-
-#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)
-#define MC13783_USE_LED		(1 << 5)
-	unsigned int flags;
-};
+#define mc13783_regulator_init_data mc13xxx_regulator_init_data
+#define mc13783_regulator_platform_data mc13xxx_regulator_platform_data
+#define mc13783_led_platform_data mc13xxx_led_platform_data
+#define mc13783_leds_platform_data mc13xxx_leds_platform_data
+
+#define mc13783_platform_data mc13xxx_platform_data
+#define MC13783_USE_TOUCHSCREEN	MC13XXX_USE_TOUCHSCREEN
+#define MC13783_USE_CODEC	MC13XXX_USE_CODEC
+#define MC13783_USE_ADC		MC13XXX_USE_ADC
+#define MC13783_USE_RTC		MC13XXX_USE_RTC
+#define MC13783_USE_REGULATOR	MC13XXX_USE_REGULATOR
+#define MC13783_USE_LED		MC13XXX_USE_LED
 
 #define MC13783_ADC_MODE_TS		1
 #define MC13783_ADC_MODE_SINGLE_CHAN	2
@@ -181,46 +156,46 @@ int mc13783_adc_do_conversion(struct mc13783 *mc13783, unsigned int mode,
 #define	MC13783_REGU_PWGT1SPI	31
 #define	MC13783_REGU_PWGT2SPI	32
 
-#define MC13783_IRQ_ADCDONE	0
-#define MC13783_IRQ_ADCBISDONE	1
-#define MC13783_IRQ_TS		2
+#define MC13783_IRQ_ADCDONE	MC13XXX_IRQ_ADCDONE
+#define MC13783_IRQ_ADCBISDONE	MC13XXX_IRQ_ADCBISDONE
+#define MC13783_IRQ_TS		MC13XXX_IRQ_TS
 #define MC13783_IRQ_WHIGH	3
 #define MC13783_IRQ_WLOW	4
-#define MC13783_IRQ_CHGDET	6
+#define MC13783_IRQ_CHGDET	MC13XXX_IRQ_CHGDET
 #define MC13783_IRQ_CHGOV	7
-#define MC13783_IRQ_CHGREV	8
-#define MC13783_IRQ_CHGSHORT	9
-#define MC13783_IRQ_CCCV	10
-#define MC13783_IRQ_CHGCURR	11
-#define MC13783_IRQ_BPON	12
-#define MC13783_IRQ_LOBATL	13
-#define MC13783_IRQ_LOBATH	14
+#define MC13783_IRQ_CHGREV	MC13XXX_IRQ_CHGREV
+#define MC13783_IRQ_CHGSHORT	MC13XXX_IRQ_CHGSHORT
+#define MC13783_IRQ_CCCV	MC13XXX_IRQ_CCCV
+#define MC13783_IRQ_CHGCURR	MC13XXX_IRQ_CHGCURR
+#define MC13783_IRQ_BPON	MC13XXX_IRQ_BPON
+#define MC13783_IRQ_LOBATL	MC13XXX_IRQ_LOBATL
+#define MC13783_IRQ_LOBATH	MC13XXX_IRQ_LOBATH
 #define MC13783_IRQ_UDP		15
 #define MC13783_IRQ_USB		16
 #define MC13783_IRQ_ID		19
 #define MC13783_IRQ_SE1		21
 #define MC13783_IRQ_CKDET	22
 #define MC13783_IRQ_UDM		23
-#define MC13783_IRQ_1HZ		24
-#define MC13783_IRQ_TODA	25
+#define MC13783_IRQ_1HZ		MC13XXX_IRQ_1HZ
+#define MC13783_IRQ_TODA	MC13XXX_IRQ_TODA
 #define MC13783_IRQ_ONOFD1	27
 #define MC13783_IRQ_ONOFD2	28
 #define MC13783_IRQ_ONOFD3	29
-#define MC13783_IRQ_SYSRST	30
-#define MC13783_IRQ_RTCRST	31
-#define MC13783_IRQ_PC		32
-#define MC13783_IRQ_WARM	33
-#define MC13783_IRQ_MEMHLD	34
+#define MC13783_IRQ_SYSRST	MC13XXX_IRQ_SYSRST
+#define MC13783_IRQ_RTCRST	MC13XXX_IRQ_RTCRST
+#define MC13783_IRQ_PC		MC13XXX_IRQ_PC
+#define MC13783_IRQ_WARM	MC13XXX_IRQ_WARM
+#define MC13783_IRQ_MEMHLD	MC13XXX_IRQ_MEMHLD
 #define MC13783_IRQ_PWRRDY	35
-#define MC13783_IRQ_THWARNL	36
-#define MC13783_IRQ_THWARNH	37
-#define MC13783_IRQ_CLK		38
+#define MC13783_IRQ_THWARNL	MC13XXX_IRQ_THWARNL
+#define MC13783_IRQ_THWARNH	MC13XXX_IRQ_THWARNH
+#define MC13783_IRQ_CLK		MC13XXX_IRQ_CLK
 #define MC13783_IRQ_SEMAF	39
 #define MC13783_IRQ_MC2B	41
 #define MC13783_IRQ_HSDET	42
 #define MC13783_IRQ_HSL		43
 #define MC13783_IRQ_ALSPTH	44
 #define MC13783_IRQ_AHSSHORT	45
-#define MC13783_NUM_IRQ		46
+#define MC13783_NUM_IRQ		MC13XXX_NUM_IRQ
 
-#endif /* __LINUX_MFD_MC13783_H */
+#endif /* ifndef __LINUX_MFD_MC13783_H */

include/linux/mfd/mc13xxx.h

+/*
+ * Copyright 2009-2010 Pengutronix
+ * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
+ *
+ * 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 __LINUX_MFD_MC13XXX_H
+#define __LINUX_MFD_MC13XXX_H
+
+#include <linux/interrupt.h>
+
+struct mc13xxx;
+
+void mc13xxx_lock(struct mc13xxx *mc13xxx);
+void mc13xxx_unlock(struct mc13xxx *mc13xxx);
+
+int mc13xxx_reg_read(struct mc13xxx *mc13xxx, unsigned int offset, u32 *val);
+int mc13xxx_reg_write(struct mc13xxx *mc13xxx, unsigned int offset, u32 val);
+int mc13xxx_reg_rmw(struct mc13xxx *mc13xxx, unsigned int offset,
+		u32 mask, u32 val);
+
+int mc13xxx_get_flags(struct mc13xxx *mc13xxx);
+
+int mc13xxx_irq_request(struct mc13xxx *mc13xxx, int irq,
+		irq_handler_t handler, const char *name, void *dev);
+int mc13xxx_irq_request_nounmask(struct mc13xxx *mc13xxx, int irq,
+		irq_handler_t handler, const char *name, void *dev);
+int mc13xxx_irq_free(struct mc13xxx *mc13xxx, int irq, void *dev);
+
+int mc13xxx_irq_mask(struct mc13xxx *mc13xxx, int irq);
+int mc13xxx_irq_unmask(struct mc13xxx *mc13xxx, int irq);
+int mc13xxx_irq_status(struct mc13xxx *mc13xxx, int irq,
+		int *enabled, int *pending);
+int mc13xxx_irq_ack(struct mc13xxx *mc13xxx, int irq);
+
+int mc13xxx_get_flags(struct mc13xxx *mc13xxx);
+
+#define MC13XXX_IRQ_ADCDONE	0
+#define MC13XXX_IRQ_ADCBISDONE	1
+#define MC13XXX_IRQ_TS		2
+#define MC13XXX_IRQ_CHGDET	6
+#define MC13XXX_IRQ_CHGREV	8
+#define MC13XXX_IRQ_CHGSHORT	9
+#define MC13XXX_IRQ_CCCV	10
+#define MC13XXX_IRQ_CHGCURR	11
+#define MC13XXX_IRQ_BPON	12
+#define MC13XXX_IRQ_LOBATL	13
+#define MC13XXX_IRQ_LOBATH	14
+#define MC13XXX_IRQ_1HZ		24
+#define MC13XXX_IRQ_TODA	25
+#define MC13XXX_IRQ_SYSRST	30
+#define MC13XXX_IRQ_RTCRST	31
+#define MC13XXX_IRQ_PC		32
+#define MC13XXX_IRQ_WARM	33
+#define MC13XXX_IRQ_MEMHLD	34
+#define MC13XXX_IRQ_THWARNL	36
+#define MC13XXX_IRQ_THWARNH	37
+#define MC13XXX_IRQ_CLK		38
+
+#define MC13XXX_NUM_IRQ		46
+
+struct regulator_init_data;
+
+struct mc13xxx_regulator_init_data {
+	int id;
+	struct regulator_init_data *init_data;
+};
+
+struct mc13xxx_regulator_platform_data {
+	int num_regulators;
+	struct mc13xxx_regulator_init_data *regulators;
+};
+
+struct mc13xxx_led_platform_data {
+#define MC13783_LED_MD		0
+#define MC13783_LED_AD		1
+#define MC13783_LED_KP		2
+#define MC13783_LED_R1		3
+#define MC13783_LED_G1		4
+#define MC13783_LED_B1		5
+#define MC13783_LED_R2		6
+#define MC13783_LED_G2		7
+#define MC13783_LED_B2		8
+#define MC13783_LED_R3		9
+#define MC13783_LED_G3		10
+#define MC13783_LED_B3		11
+#define MC13783_LED_MAX MC13783_LED_B3
+	int id;
+	const char *name;
+	const char *default_trigger;
+
+/* Three or two bits current selection depending on the led */
+	char max_current;
+};
+
+struct mc13xxx_leds_platform_data {
+	int num_leds;
+	struct mc13xxx_led_platform_data *led;
+
+#define MC13783_LED_TRIODE_MD	(1 << 0)
+#define MC13783_LED_TRIODE_AD	(1 << 1)
+#define MC13783_LED_TRIODE_KP	(1 << 2)
+#define MC13783_LED_BOOST_EN	(1 << 3)
+#define MC13783_LED_TC1HALF	(1 << 4)
+#define MC13783_LED_SLEWLIMTC	(1 << 5)
+#define MC13783_LED_SLEWLIMBL	(1 << 6)
+#define MC13783_LED_TRIODE_TC1	(1 << 7)
+#define MC13783_LED_TRIODE_TC2	(1 << 8)
+#define MC13783_LED_TRIODE_TC3	(1 << 9)
+	int flags;
+
+#define MC13783_LED_AB_DISABLED		0
+#define MC13783_LED_AB_MD1		1
+#define MC13783_LED_AB_MD12		2
+#define MC13783_LED_AB_MD123		3
+#define MC13783_LED_AB_MD1234		4
+#define MC13783_LED_AB_MD1234_AD1	5
+#define MC13783_LED_AB_MD1234_AD12	6
+#define MC13783_LED_AB_MD1_AD		7
+	char abmode;
+
+#define MC13783_LED_ABREF_200MV	0
+#define MC13783_LED_ABREF_400MV	1
+#define MC13783_LED_ABREF_600MV	2
+#define MC13783_LED_ABREF_800MV	3
+	char abref;
+
+#define MC13783_LED_PERIOD_10MS		0
+#define MC13783_LED_PERIOD_100MS	1
+#define MC13783_LED_PERIOD_500MS	2
+#define MC13783_LED_PERIOD_2S		3
+	char bl_period;
+	char tc1_period;
+	char tc2_period;
+	char tc3_period;
+};
+
+struct mc13xxx_platform_data {
+#define MC13XXX_USE_TOUCHSCREEN (1 << 0)
+#define MC13XXX_USE_CODEC	(1 << 1)
+#define MC13XXX_USE_ADC		(1 << 2)
+#define MC13XXX_USE_RTC		(1 << 3)
+#define MC13XXX_USE_REGULATOR	(1 << 4)
+#define MC13XXX_USE_LED		(1 << 5)
+	unsigned int flags;
+
+	int num_regulators;
+	struct mc13xxx_regulator_init_data *regulators;
+	struct mc13xxx_leds_platform_data *leds;
+};
+
+#endif /* ifndef __LINUX_MFD_MC13XXX_H */