mfd: Support AB9540 ab8500 variant

The AB9540 variant of the AB8500 is basically close enough
to use the same driver. This adds the new registers and
deviations for this new chip variant.

Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@stericsson.com>
Signed-off-by: Alex Macro <alex.macro@stericsson.com>
Signed-off-by: Michel Jaouen <michel.jaouen@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 45 insertions, 1 deletions

diff --git a/include/linux/mfd/abx500/ab8500.h b/include/linux/mfd/abx500/ab8500.h
index 55eabe8b6ce..4b2df29fb85 100644
--- a/include/linux/mfd/abx500/ab8500.h
+++ b/include/linux/mfd/abx500/ab8500.h
@@ -57,8 +57,11 @@ enum ab8500_version {
 
 /*
  * Interrupts
+ * Values used to index into array ab8500_irq_regoffset[] defined in
+ * drivers/mdf/ab8500-core.c
  */
-
+/* Definitions for AB8500 and AB9540 */
+/* ab8500_irq_regoffset[0] -> IT[Source|Latch|Mask]1 */
 #define AB8500_INT_MAIN_EXT_CH_NOT_OK	0
 #define AB8500_INT_UN_PLUG_TV_DET	1
 #define AB8500_INT_PLUG_TV_DET		2
@@ -67,6 +70,7 @@ enum ab8500_version {
 #define AB8500_INT_PON_KEY2DB_R		5
 #define AB8500_INT_PON_KEY1DB_F		6
 #define AB8500_INT_PON_KEY1DB_R		7
+/* ab8500_irq_regoffset[1] -> IT[Source|Latch|Mask]2 */
 #define AB8500_INT_BATT_OVV		8
 #define AB8500_INT_MAIN_CH_UNPLUG_DET	10
 #define AB8500_INT_MAIN_CH_PLUG_DET	11
@@ -74,6 +78,7 @@ enum ab8500_version {
 #define AB8500_INT_USB_ID_DET_R		13
 #define AB8500_INT_VBUS_DET_F		14
 #define AB8500_INT_VBUS_DET_R		15
+/* ab8500_irq_regoffset[2] -> IT[Source|Latch|Mask]3 */
 #define AB8500_INT_VBUS_CH_DROP_END	16
 #define AB8500_INT_RTC_60S		17
 #define AB8500_INT_RTC_ALARM		18
@@ -81,6 +86,7 @@ enum ab8500_version {
 #define AB8500_INT_CH_WD_EXP		21
 #define AB8500_INT_VBUS_OVV		22
 #define AB8500_INT_MAIN_CH_DROP_END	23
+/* ab8500_irq_regoffset[3] -> IT[Source|Latch|Mask]4 */
 #define AB8500_INT_CCN_CONV_ACC		24
 #define AB8500_INT_INT_AUD		25
 #define AB8500_INT_CCEOC		26
@@ -89,6 +95,7 @@ enum ab8500_version {
 #define AB8500_INT_LOW_BAT_R		29
 #define AB8500_INT_BUP_CHG_NOT_OK	30
 #define AB8500_INT_BUP_CHG_OK		31
+/* ab8500_irq_regoffset[4] -> IT[Source|Latch|Mask]5 */
 #define AB8500_INT_GP_HW_ADC_CONV_END	32
 #define AB8500_INT_ACC_DETECT_1DB_F	33
 #define AB8500_INT_ACC_DETECT_1DB_R	34
@@ -97,6 +104,7 @@ enum ab8500_version {
 #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
+/* ab8500_irq_regoffset[5] -> IT[Source|Latch|Mask]7 */
 #define AB8500_INT_GPIO6R		40
 #define AB8500_INT_GPIO7R		41
 #define AB8500_INT_GPIO8R		42
@@ -105,6 +113,7 @@ enum ab8500_version {
 #define AB8500_INT_GPIO11R		45
 #define AB8500_INT_GPIO12R		46
 #define AB8500_INT_GPIO13R		47
+/* ab8500_irq_regoffset[6] -> IT[Source|Latch|Mask]8 */
 #define AB8500_INT_GPIO24R		48
 #define AB8500_INT_GPIO25R		49
 #define AB8500_INT_GPIO36R		50
@@ -113,6 +122,7 @@ enum ab8500_version {
 #define AB8500_INT_GPIO39R		53
 #define AB8500_INT_GPIO40R		54
 #define AB8500_INT_GPIO41R		55
+/* ab8500_irq_regoffset[7] -> IT[Source|Latch|Mask]9 */
 #define AB8500_INT_GPIO6F		56
 #define AB8500_INT_GPIO7F		57
 #define AB8500_INT_GPIO8F		58
@@ -121,6 +131,7 @@ enum ab8500_version {
 #define AB8500_INT_GPIO11F		61
 #define AB8500_INT_GPIO12F		62
 #define AB8500_INT_GPIO13F		63
+/* ab8500_irq_regoffset[8] -> IT[Source|Latch|Mask]10 */
 #define AB8500_INT_GPIO24F		64
 #define AB8500_INT_GPIO25F		65
 #define AB8500_INT_GPIO36F		66
@@ -129,6 +140,7 @@ enum ab8500_version {
 #define AB8500_INT_GPIO39F		69
 #define AB8500_INT_GPIO40F		70
 #define AB8500_INT_GPIO41F		71
+/* ab8500_irq_regoffset[9] -> IT[Source|Latch|Mask]12 */
 #define AB8500_INT_ADP_SOURCE_ERROR	72
 #define AB8500_INT_ADP_SINK_ERROR	73
 #define AB8500_INT_ADP_PROBE_PLUG	74
@@ -136,30 +148,62 @@ enum ab8500_version {
 #define AB8500_INT_ADP_SENSE_OFF	76
 #define AB8500_INT_USB_PHY_POWER_ERR	78
 #define AB8500_INT_USB_LINK_STATUS	79
+/* ab8500_irq_regoffset[10] -> IT[Source|Latch|Mask]19 */
 #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
+/* ab8500_irq_regoffset[11] -> IT[Source|Latch|Mask]20 */
 #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
+/* ab8500_irq_regoffset[12] -> IT[Source|Latch|Mask]21 */
 #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
+/* ab8500_irq_regoffset[13] -> IT[Source|Latch|Mask]22 */
 #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
 
+/* Definitions for AB9540 */
+/* ab8500_irq_regoffset[14] -> IT[Source|Latch|Mask]13 */
+#define AB9540_INT_GPIO50R		113
+#define AB9540_INT_GPIO51R		114
+#define AB9540_INT_GPIO52R		115
+#define AB9540_INT_GPIO53R		116
+#define AB9540_INT_GPIO54R		117
+#define AB9540_INT_IEXT_CH_RF_BFN_R	118
+#define AB9540_INT_IEXT_CH_RF_BFN_F	119
+/* ab8500_irq_regoffset[15] -> IT[Source|Latch|Mask]14 */
+#define AB9540_INT_GPIO50F		121
+#define AB9540_INT_GPIO51F		122
+#define AB9540_INT_GPIO52F		123
+#define AB9540_INT_GPIO53F		124
+#define AB9540_INT_GPIO54F		125
+
+/*
+ * AB8500_AB9540_NR_IRQS is used when configuring the IRQ numbers for the
+ * entire platform. This is a "compile time" constant so this must be set to
+ * the largest possible value that may be encountered with different AB SOCs.
+ * Of the currently supported AB devices, AB8500 and AB9540, it is the AB9540
+ * which is larger.
+ */
 #define AB8500_NR_IRQS			112
+#define AB9540_NR_IRQS			128
+/* This is set to the roof of any AB8500 chip variant IRQ counts */
+#define AB8500_MAX_NR_IRQS		AB9540_NR_IRQS
+
 #define AB8500_NUM_IRQ_REGS		14
+#define AB9540_NUM_IRQ_REGS		17
 
 /**
  * struct ab8500 - ab8500 internal structure