From: Denis Osterland <Denis.Osterland@xxxxxxxxx>
Add support to disable event in pull-up.
Signed-off-by: Denis Osterland <Denis.Osterland@xxxxxxxxx>
---
drivers/rtc/rtc-isl1208.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index bbe08c1ab9f3..2f18ee3c615a 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -44,6 +44,7 @@
#define ISL1208_REG_INT_IM (1<<7) /* interrupt/alarm mode */
#define ISL1219_REG_EV 0x09
#define ISL1219_REG_EV_EVEN (1<<4) /* event detection enable */
+#define ISL1219_REG_EV_EVIENB (1<<7) /* event in pull-up disable */
#define ISL1208_REG_ATR 0x0a
#define ISL1208_REG_DTR 0x0b
@@ -777,7 +778,10 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
"please set clock.\n");
if (id->driver_data == TYPE_ISL1219) {
+ struct device_node *np = client->dev.of_node;
rc = ISL1219_REG_EV_EVEN;
+ if (of_get_property(np, "isil,ev-evienb", NULL))
+ rc |= ISL1219_REG_EV_EVIENB;
rc = i2c_smbus_write_byte_data(client, ISL1219_REG_EV, rc);
if (rc < 0) {
dev_err(&client->dev, "could not enable tamper detection\n");
@@ -786,7 +790,7 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
rc = rtc_add_group(rtc, &isl1219_rtc_sysfs_files);
if (rc)
return rc;
- evdet_irq = of_irq_get_byname(client->dev.of_node, "evdet");
+ evdet_irq = of_irq_get_byname(np, "evdet");
}
rc = sysfs_create_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
--
2.18.0
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