The PMI8998 and PM660 expose the fab_id, this is needed by drivers like
the RRADC to calibrate ADC values.
Signed-off-by: Caleb Connolly <caleb.connolly@xxxxxxxxxx>
---
drivers/mfd/qcom-spmi-pmic.c | 7 +++++++
include/soc/qcom/qcom-spmi-pmic.h | 1 +
2 files changed, 8 insertions(+)
diff --git a/drivers/mfd/qcom-spmi-pmic.c b/drivers/mfd/qcom-spmi-pmic.c
index 5e656485cd55..28600e5899bc 100644
--- a/drivers/mfd/qcom-spmi-pmic.c
+++ b/drivers/mfd/qcom-spmi-pmic.c
@@ -21,6 +21,7 @@
#define PMIC_REV4 0x103
#define PMIC_TYPE 0x104
#define PMIC_SUBTYPE 0x105
+#define PMIC_FAB_ID 0x1f2
#define PMIC_TYPE_VALUE 0x51
static const struct of_device_id pmic_spmi_id_table[] = {
@@ -169,6 +170,12 @@ static int pmic_spmi_load_revid(struct regmap *map, struct device *dev,
if (ret < 0)
return ret;
+ if (pmic->subtype == PMI8998_SUBTYPE || pmic->subtype == PM660_SUBTYPE) {
+ ret = regmap_read(map, PMIC_FAB_ID, &pmic->fab_id);
+ if (ret < 0)
+ return ret;
+ }
+
/*
* In early versions of PM8941 and PM8226, the major revision number
* started incrementing from 0 (eg 0 = v1.0, 1 = v2.0).
diff --git a/include/soc/qcom/qcom-spmi-pmic.h b/include/soc/qcom/qcom-spmi-pmic.h
index a8a77be22cfc..c821f6c6c8a8 100644
--- a/include/soc/qcom/qcom-spmi-pmic.h
+++ b/include/soc/qcom/qcom-spmi-pmic.h
@@ -50,6 +50,7 @@ struct qcom_spmi_pmic {
unsigned int major;
unsigned int minor;
unsigned int rev2;
+ unsigned int fab_id;
const char *name;
};
--
2.35.1
