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path: root/drivers/mfd/ab8500-core.c
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Diffstat (limited to 'drivers/mfd/ab8500-core.c')
-rw-r--r--drivers/mfd/ab8500-core.c33
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 387705e494b9..1e9173804ede 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -92,6 +92,8 @@
#define AB8500_REV_REG 0x80
#define AB8500_SWITCH_OFF_STATUS 0x00
+#define AB8500_TURN_ON_STATUS 0x00
+
/*
* Map interrupt numbers to the LATCH and MASK register offsets, Interrupt
* numbers are indexed into this array with (num / 8).
@@ -293,6 +295,7 @@ static struct irq_chip ab8500_irq_chip = {
.irq_bus_lock = ab8500_irq_lock,
.irq_bus_sync_unlock = ab8500_irq_sync_unlock,
.irq_mask = ab8500_irq_mask,
+ .irq_disable = ab8500_irq_mask,
.irq_unmask = ab8500_irq_unmask,
};
@@ -811,12 +814,40 @@ static ssize_t show_switch_off_status(struct device *dev,
return sprintf(buf, "%#x\n", value);
}
+/*
+ * ab8500 has turned on due to (TURN_ON_STATUS):
+ * 0x01 PORnVbat
+ * 0x02 PonKey1dbF
+ * 0x04 PonKey2dbF
+ * 0x08 RTCAlarm
+ * 0x10 MainChDet
+ * 0x20 VbusDet
+ * 0x40 UsbIDDetect
+ * 0x80 Reserved
+ */
+static ssize_t show_turn_on_status(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int ret;
+ u8 value;
+ struct ab8500 *ab8500;
+
+ ab8500 = dev_get_drvdata(dev);
+ ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
+ AB8500_TURN_ON_STATUS, &value);
+ if (ret < 0)
+ return ret;
+ return sprintf(buf, "%#x\n", value);
+}
+
static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL);
+static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL);
static struct attribute *ab8500_sysfs_entries[] = {
&dev_attr_chip_id.attr,
&dev_attr_switch_off_status.attr,
+ &dev_attr_turn_on_status.attr,
NULL,
};
@@ -843,11 +874,11 @@ int __devinit ab8500_init(struct ab8500 *ab8500)
return ret;
switch (value) {
- case AB8500_CUTEARLY:
case AB8500_CUT1P0:
case AB8500_CUT1P1:
case AB8500_CUT2P0:
case AB8500_CUT3P0:
+ case AB8500_CUT3P3:
dev_info(ab8500->dev, "detected chip, revision: %#x\n", value);
break;
default: