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53 lines
1.7 KiB
Diff
53 lines
1.7 KiB
Diff
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From 0c309f4e86c827cd5fd2eb0e36d5d1f19927380d Mon Sep 17 00:00:00 2001
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From: Caleb Connolly <caleb.connolly@linaro.org>
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Date: Fri, 29 Apr 2022 23:08:58 +0100
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Subject: [PATCH] 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
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the RRADC to calibrate ADC values.
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Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
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Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Acked-by: Lee Jones <lee.jones@linaro.org>
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Link: https://lore.kernel.org/r/20220429220904.137297-4-caleb.connolly@linaro.org
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Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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---
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drivers/mfd/qcom-spmi-pmic.c | 7 +++++++
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include/soc/qcom/qcom-spmi-pmic.h | 1 +
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2 files changed, 8 insertions(+)
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--- a/drivers/mfd/qcom-spmi-pmic.c
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+++ b/drivers/mfd/qcom-spmi-pmic.c
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@@ -19,6 +19,7 @@
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#define PMIC_REV4 0x103
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#define PMIC_TYPE 0x104
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#define PMIC_SUBTYPE 0x105
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+#define PMIC_FAB_ID 0x1f2
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#define PMIC_TYPE_VALUE 0x51
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@@ -157,6 +158,12 @@ static int pmic_spmi_load_revid(struct r
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if (ret < 0)
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return ret;
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+ if (pmic->subtype == PMI8998_SUBTYPE || pmic->subtype == PM660_SUBTYPE) {
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+ ret = regmap_read(map, PMIC_FAB_ID, &pmic->fab_id);
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+ if (ret < 0)
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+ return ret;
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+ }
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+
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/*
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* In early versions of PM8941 and PM8226, the major revision number
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* started incrementing from 0 (eg 0 = v1.0, 1 = v2.0).
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--- a/include/soc/qcom/qcom-spmi-pmic.h
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+++ b/include/soc/qcom/qcom-spmi-pmic.h
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@@ -52,6 +52,7 @@ struct qcom_spmi_pmic {
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unsigned int major;
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unsigned int minor;
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unsigned int rev2;
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+ unsigned int fab_id;
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const char *name;
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};
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