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Commit 92d50a41 authored by Mattias Wallin's avatar Mattias Wallin Committed by Samuel Ortiz
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mfd: ab8500-core chip version cut 2.0 support 



This patch adds support for chip version 2.0 or cut 2.0.
One new interrupt latch register - latch 12 - is introduced.

Signed-off-by: default avatarMattias Wallin <mattias.wallin@stericsson.com>
Acked-by: default avatarLinus Walleij <linus.walleij@stericsson.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 180e4f5f

drivers/mfd/ab8500-core.c

+25 −11
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ 
#define AB8500_IT_LATCH8_REG		0x27

#define AB8500_IT_LATCH9_REG		0x28

#define AB8500_IT_LATCH10_REG		0x29

#define AB8500_IT_LATCH12_REG		0x2B

#define AB8500_IT_LATCH19_REG		0x32

#define AB8500_IT_LATCH20_REG		0x33

#define AB8500_IT_LATCH21_REG		0x34
@@ -98,7 +99,7 @@ 
 * offset 0.

 */

static const int ab8500_irq_regoffset[AB8500_NUM_IRQ_REGS] = {

	0, 1, 2, 3, 4, 6, 7, 8, 9, 18, 19, 20, 21,

	0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21,

};



static int ab8500_get_chip_id(struct device *dev)
@@ -252,6 +253,10 @@ static void ab8500_irq_sync_unlock(struct irq_data *data) 
		if (new == old)

			continue;



		/* Interrupt register 12 does'nt exist prior to version 0x20 */

		if (ab8500_irq_regoffset[i] == 11 && ab8500->chip_id < 0x20)

			continue;



		ab8500->oldmask[i] = new;



		reg = AB8500_IT_MASK1_REG + ab8500_irq_regoffset[i];
@@ -301,6 +306,10 @@ static irqreturn_t ab8500_irq(int irq, void *dev) 
		int status;

		u8 value;



		/* Interrupt register 12 does'nt exist prior to version 0x20 */

		if (regoffset == 11 && ab8500->chip_id < 0x20)

			continue;



		status = get_register_interruptible(ab8500, AB8500_INTERRUPT,

			AB8500_IT_LATCH1_REG + regoffset, &value);

		if (status < 0 || value == 0)
@@ -554,6 +563,12 @@ static struct resource ab8500_usb_resources[] = { 
		.end = AB8500_INT_VBUS_DET_R,

		.flags = IORESOURCE_IRQ,

	},

	{

		.name = "USB_LINK_STATUS",

		.start = AB8500_INT_USB_LINK_STATUS,

		.end = AB8500_INT_USB_LINK_STATUS,

		.flags = IORESOURCE_IRQ,

	},

};



static struct resource ab8500_temp_resources[] = {
@@ -670,8 +685,9 @@ int __devinit ab8500_init(struct ab8500 *ab8500) 
	 * 0x0 - Early Drop

	 * 0x10 - Cut 1.0

	 * 0x11 - Cut 1.1

	 * 0x20 - Cut 2.0

	 */

	if (value == 0x0 || value == 0x10 || value == 0x11) {

	if (value == 0x0 || value == 0x10 || value == 0x11 || value == 0x20) {

		ab8500->revision = value;

		dev_info(ab8500->dev, "detected chip, revision: %#x\n", value);

	} else {
@@ -684,18 +700,16 @@ int __devinit ab8500_init(struct ab8500 *ab8500) 
		plat->init(ab8500);



	/* Clear and mask all interrupts */

	for (i = 0; i < 10; i++) {

		get_register_interruptible(ab8500, AB8500_INTERRUPT,

			AB8500_IT_LATCH1_REG + i, &value);

		set_register_interruptible(ab8500, AB8500_INTERRUPT,

			AB8500_IT_MASK1_REG + i, 0xff);

	}

	for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) {

		/* Interrupt register 12 does'nt exist prior to version 0x20 */

		if (ab8500_irq_regoffset[i] == 11 && ab8500->chip_id < 0x20)

			continue;



	for (i = 18; i < 24; i++) {

		get_register_interruptible(ab8500, AB8500_INTERRUPT,

			AB8500_IT_LATCH1_REG + i, &value);

			AB8500_IT_LATCH1_REG + ab8500_irq_regoffset[i],

			&value);

		set_register_interruptible(ab8500, AB8500_INTERRUPT,

			AB8500_IT_MASK1_REG + i, 0xff);

			AB8500_IT_MASK1_REG + ab8500_irq_regoffset[i], 0xff);

	}



	ret = abx500_register_ops(ab8500->dev, &ab8500_ops);

include/linux/mfd/ab8500.h

+30 −23
Original line number Diff line number Diff line
@@ -74,30 +74,37 @@ 
#define AB8500_INT_ACC_DETECT_21DB_F	37

#define AB8500_INT_ACC_DETECT_21DB_R	38

#define AB8500_INT_GP_SW_ADC_CONV_END	39

#define AB8500_INT_BTEMP_LOW		72

#define AB8500_INT_BTEMP_LOW_MEDIUM	73

#define AB8500_INT_BTEMP_MEDIUM_HIGH	74

#define AB8500_INT_BTEMP_HIGH		75

#define AB8500_INT_USB_CHARGER_NOT_OK	81

#define AB8500_INT_ID_WAKEUP_R		82

#define AB8500_INT_ID_DET_R1R		84

#define AB8500_INT_ID_DET_R2R		85

#define AB8500_INT_ID_DET_R3R		86

#define AB8500_INT_ID_DET_R4R		87

#define AB8500_INT_ID_WAKEUP_F		88

#define AB8500_INT_ID_DET_R1F		90

#define AB8500_INT_ID_DET_R2F		91

#define AB8500_INT_ID_DET_R3F		92

#define AB8500_INT_ID_DET_R4F		93

#define AB8500_INT_USB_CHG_DET_DONE	94

#define AB8500_INT_USB_CH_TH_PROT_F	96

#define AB8500_INT_USB_CH_TH_PROT_R	97

#define AB8500_INT_MAIN_CH_TH_PROT_F	98

#define AB8500_INT_MAIN_CH_TH_PROT_R	99

#define AB8500_INT_USB_CHARGER_NOT_OKF	103

#define AB8500_INT_ADP_SOURCE_ERROR	72

#define AB8500_INT_ADP_SINK_ERROR	73

#define AB8500_INT_ADP_PROBE_PLUG	74

#define AB8500_INT_ADP_PROBE_UNPLUG	75

#define AB8500_INT_ADP_SENSE_OFF	76

#define AB8500_INT_USB_PHY_POWER_ERR	78

#define AB8500_INT_USB_LINK_STATUS	79

#define AB8500_INT_BTEMP_LOW		80

#define AB8500_INT_BTEMP_LOW_MEDIUM	81

#define AB8500_INT_BTEMP_MEDIUM_HIGH	82

#define AB8500_INT_BTEMP_HIGH		83

#define AB8500_INT_USB_CHARGER_NOT_OK	89

#define AB8500_INT_ID_WAKEUP_R		90

#define AB8500_INT_ID_DET_R1R		92

#define AB8500_INT_ID_DET_R2R		93

#define AB8500_INT_ID_DET_R3R		94

#define AB8500_INT_ID_DET_R4R		95

#define AB8500_INT_ID_WAKEUP_F		96

#define AB8500_INT_ID_DET_R1F		98

#define AB8500_INT_ID_DET_R2F		99

#define AB8500_INT_ID_DET_R3F		100

#define AB8500_INT_ID_DET_R4F		101

#define AB8500_INT_USB_CHG_DET_DONE	102

#define AB8500_INT_USB_CH_TH_PROT_F	104

#define AB8500_INT_USB_CH_TH_PROT_R    105

#define AB8500_INT_MAIN_CH_TH_PROT_F   106

#define AB8500_INT_MAIN_CH_TH_PROT_R	107

#define AB8500_INT_USB_CHARGER_NOT_OKF	111



#define AB8500_NR_IRQS			104

#define AB8500_NUM_IRQ_REGS		13

#define AB8500_NR_IRQS			112

#define AB8500_NUM_IRQ_REGS		14



/**

 * struct ab8500 - ab8500 internal structure