X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fmfd%2Ftps65217.c;h=b8f48647661e7db4a58612208bb51ed8957d3fab;hb=cf9ce948f47640797bd19980e1d99c6d17d0bdc3;hp=e14e252e3473fc7081a06475f1b1b390662ee86b;hpb=fd62c5450324af7f6cc12897b09b77285cd48a92;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c
index e14e252e3473..b8f48647661e 100644
--- a/drivers/mfd/tps65217.c
+++ b/drivers/mfd/tps65217.c
@@ -160,6 +160,7 @@ static int tps65217_probe(struct i2c_client *client,
 	unsigned int version;
 	unsigned int chip_id = ids->driver_data;
 	const struct of_device_id *match;
+	bool status_off = false;
 	int ret;
 
 	if (client->dev.of_node) {
@@ -170,6 +171,8 @@ static int tps65217_probe(struct i2c_client *client,
 			return -EINVAL;
 		}
 		chip_id = (unsigned int)match->data;
+		status_off = of_property_read_bool(client->dev.of_node,
+					"ti,pmic-shutdown-controller");
 	}
 
 	if (!chip_id) {
@@ -207,6 +210,15 @@ static int tps65217_probe(struct i2c_client *client,
 		return ret;
 	}
 
+	/* Set the PMIC to shutdown on PWR_EN toggle */
+	if (status_off) {
+		ret = tps65217_set_bits(tps, TPS65217_REG_STATUS,
+				TPS65217_STATUS_OFF, TPS65217_STATUS_OFF,
+				TPS65217_PROTECT_NONE);
+		if (ret)
+			dev_warn(tps->dev, "unable to set the status OFF\n");
+	}
+
 	dev_info(tps->dev, "TPS65217 ID %#x version 1.%d\n",
 			(version & TPS65217_CHIPID_CHIP_MASK) >> 4,
 			version & TPS65217_CHIPID_REV_MASK);