diff mbox series

[v11,3/9] mfd: qcom-spmi-pmic: read fab id on supported PMICs

Message ID 20220309210014.352267-4-caleb.connolly@linaro.org (mailing list archive)
State Superseded
Headers show
Series iio: adc: introduce Qualcomm SPMI Round Robin ADC | expand

Commit Message

Caleb Connolly March 9, 2022, 9 p.m. UTC
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>
---
 drivers/mfd/qcom-spmi-pmic.c      | 7 +++++++
 include/soc/qcom/qcom-spmi-pmic.h | 1 +
 2 files changed, 8 insertions(+)

Comments

Dmitry Baryshkov March 14, 2022, 7:19 p.m. UTC | #1
On 10/03/2022 00:00, Caleb Connolly wrote:
> 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>

> ---
>   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 bfe1304aee1b..b12a07da6183 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
>   
> @@ -175,6 +176,12 @@ 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 5400e6509fe8..ff839b230e62 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;
>   };
>
diff mbox series

Patch

diff --git a/drivers/mfd/qcom-spmi-pmic.c b/drivers/mfd/qcom-spmi-pmic.c
index bfe1304aee1b..b12a07da6183 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
 
@@ -175,6 +176,12 @@  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 5400e6509fe8..ff839b230e62 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;
 };