From: Enrico Scholz <enrico.scholz@xxxxxxxxxxxxxxxxx>
just some kind of debugging atm...
Signed-off-by: Enrico Scholz <enrico.scholz@xxxxxxxxxxxxxxxxx>
Tested-by: Stefan Christ <s.christ@xxxxxxxxx>
Signed-off-by: Christian Hemp <c.hemp@xxxxxxxxx>
---
drivers/mfd/da9063.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/mfd/da9063.c b/drivers/mfd/da9063.c
index 00a61279f3..0c27bf495f 100644
--- a/drivers/mfd/da9063.c
+++ b/drivers/mfd/da9063.c
@@ -45,6 +45,8 @@ struct da9063 {
/* bank1: control register I */
#define DA9063_REG1_CONFIG_I 0x10e
+#define DA9062AA_DEVICE_ID 0x181
+
/* DA9063_REG_FAULT_LOG (addr=0x05) */
#define DA9063_TWD_ERROR 0x01
#define DA9063_POR 0x02
@@ -196,6 +198,7 @@ static void da9063_restart(struct restart_handler *rst)
static int da9062_device_init(struct da9063 *priv)
{
int ret;
+ uint8_t id[4];
priv->client1 = i2c_new_dummy(priv->client->adapter,
priv->client->addr + 1);
@@ -206,6 +209,16 @@ static int da9062_device_init(struct da9063 *priv)
return -EINVAL;
}
+ ret = i2c_read_reg(priv->client1, DA9062AA_DEVICE_ID & 0xffu,
+ id, sizeof id);
+ if (ret < 0) {
+ dev_warn(priv->dev, "failed to read ID: %d\n", ret);
+ return ret;
+ }
+
+ dev_info(priv->dev, "da9062 with id %02x.%02x.%02x.%02x detected\n",
+ id[0], id[1], id[2], id[3]);
+
/* clear CONFIG_I[WATCHDOG_SD] */
ret = da906x_reg_update(priv, DA9063_REG1_CONFIG_I,
DA9062_WATCHDOG_SD, DA9062_WATCHDOG_SD);
--
2.16.1
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