diff options
| author | Caleb Connolly <caleb.connolly@linaro.org> | 2022-04-30 01:08:58 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-06-18 16:01:16 +0300 |
| commit | d23c3c085a95fddae5143823b7d5a81419e6f497 (patch) | |
| tree | 7743b373de48199e74fdc0a73ea5f890db57fd7c /drivers/mfd | |
| parent | e9c11c6e3a0e93903f5a13f8d2f97ae1bba512e1 (diff) | |
| download | linux-d23c3c085a95fddae5143823b7d5a81419e6f497.tar.xz | |
mfd: qcom-spmi-pmic: read fab id on supported PMICs
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@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220429220904.137297-4-caleb.connolly@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/qcom-spmi-pmic.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mfd/qcom-spmi-pmic.c b/drivers/mfd/qcom-spmi-pmic.c index 0f1f60e4daf7..00003a868d28 100644 --- a/drivers/mfd/qcom-spmi-pmic.c +++ b/drivers/mfd/qcom-spmi-pmic.c @@ -19,6 +19,7 @@ #define PMIC_REV4 0x103 #define PMIC_TYPE 0x104 #define PMIC_SUBTYPE 0x105 +#define PMIC_FAB_ID 0x1f2 #define PMIC_TYPE_VALUE 0x51 @@ -157,6 +158,12 @@ 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). |