Signed-off-by: Vicente <[email protected]>
---
drivers/mfd/twl6030.c | 21 +++++++++++++++++++++
include/mfd/twl6030.h | 8 ++++++++
2 files changed, 29 insertions(+)
diff --git a/drivers/mfd/twl6030.c b/drivers/mfd/twl6030.c
index 01728fd..6b872ab 100644
--- a/drivers/mfd/twl6030.c
+++ b/drivers/mfd/twl6030.c
@@ -39,6 +39,27 @@ static int twl_probe(struct device_d *dev)
devfs_create(&(twl_dev->core.cdev));
+ if (IS_ENABLED(CONFIG_DEBUG)) {
+ u8 i, jtag_rev, eprom_rev;
+ int r;
+ u64 dieid;
+
+ r = twl6030_reg_read(twl_dev, TWL6030_JTAG_JTAGVERNUM,
+ &jtag_rev);
+ r |= twl6030_reg_read(twl_dev, TWL6030_JTAG_EPROM_REV,
+ &eprom_rev);
+ for (i = 0; i < 8; i++)
+ r |= twl6030_reg_read(twl_dev, TWL6030_DIEID_0+i,
+ ((u8 *)(&dieid))+i);
+ if (r)
+ dev_dbg(dev, "TWL6030 Error reading ID\n");
+ else
+ dev_dbg(dev, "TWL6030 JTAG REV: 0x%02X, "
+ "EPROM REV: 0x%02X, "
+ "DIE ID: 0x%016llX\n",
+ (unsigned)jtag_rev, (unsigned)eprom_rev, dieid);
+ }
+
return 0;
}
diff --git a/include/mfd/twl6030.h b/include/mfd/twl6030.h
index f1278d4..bb4f773 100644
--- a/include/mfd/twl6030.h
+++ b/include/mfd/twl6030.h
@@ -371,6 +371,14 @@ enum twl6030_reg {
/* JTAG */
TWL6030_JTAG_JTAGVERNUM = 0x0287,
TWL6030_JTAG_EPROM_REV = 0x02DF,
+ TWL6030_DIEID_0 = 0x02C0,
+ TWL6030_DIEID_1 = 0x02C1,
+ TWL6030_DIEID_2 = 0x02C2,
+ TWL6030_DIEID_3 = 0x02C3,
+ TWL6030_DIEID_4 = 0x02C4,
+ TWL6030_DIEID_5 = 0x02C5,
+ TWL6030_DIEID_6 = 0x02C6,
+ TWL6030_DIEID_7 = 0x02C7,
/* GPADC Trimming */
TWL6030_GPADC_TRIM1 = 0x02CD,
TWL6030_GPADC_TRIM2 = 0x02CE,
--
1.7.12.2
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