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mfd: qcom-spmi-pmic: read fab id on supported PMICs

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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>
This commit is contained in:
Caleb Connolly 2022-04-29 23:08:58 +01:00 committed by Jonathan Cameron
parent e9c11c6e3a
commit d23c3c085a
2 changed files with 8 additions and 0 deletions
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7
drivers/mfd/qcom-spmi-pmic.c
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@ -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).

1
include/soc/qcom/qcom-spmi-pmic.h
View File

@ -52,6 +52,7 @@ struct qcom_spmi_pmic {
unsigned int major;
unsigned int minor;
unsigned int rev2;
unsigned int fab_id;
const char *name;
};