Re: [PATCH v3 16/19] thermal: qcom: tsens: Add support for MSM8952 tsens

[Daniel Lezcano <daniel.lezcano@oss.qualcomm.com>]

On 9/21/26 20:19, Muzaffer Kadir via B4 Relay wrote:
> From: Muzaffer Kadir <muzafferkadir@mainlining.org>
> 
> Add MSM8952 support for tsens.
> 
> Downstream does a lot of advanced things with calculations.
> But seems like using tsens-v1 directly works too.

Can you elaborate a bit the changelog please ?

Thanks


> Link: https://android.googlesource.com/kernel/msm.git/+/refs/tags/android-wear-7.0.0_r0.3/drivers/thermal/msm-tsens.c#1621
> Signed-off-by: Muzaffer Kadir <muzafferkadir@mainlining.org>
> ---
>   drivers/thermal/qcom/tsens-v1.c | 44 +++++++++++++++++++++++++++++++++++++++++
>   drivers/thermal/qcom/tsens.c    |  3 +++
>   drivers/thermal/qcom/tsens.h    |  2 +-
>   3 files changed, 48 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c
> index faa5d00788ca..f4201748ea29 100644
> --- a/drivers/thermal/qcom/tsens-v1.c
> +++ b/drivers/thermal/qcom/tsens-v1.c
> @@ -145,6 +145,37 @@ static const struct reg_field tsens_v1_regfields[MAX_REGFIELDS] = {
>   	[TRDY] = REG_FIELD(TM_TRDY_OFF, 0, 0),
>   };
>   
> +static int __init init_8952(struct tsens_priv *priv)
> +{
> +	for (int i = 0; i < priv->num_sensors; ++i)
> +		priv->sensor[i].slope = 3200;
> +
> +	priv->sensor[0].p1_calib_offset = 2;
> +	priv->sensor[0].p2_calib_offset = -1;
> +	priv->sensor[1].p1_calib_offset = -4;
> +	priv->sensor[1].p2_calib_offset = -4;
> +	priv->sensor[2].p1_calib_offset = 4;
> +	priv->sensor[2].p2_calib_offset = 5;
> +	priv->sensor[3].p1_calib_offset = 1;
> +	priv->sensor[3].p2_calib_offset = 1;
> +	priv->sensor[4].p1_calib_offset = 2;
> +	priv->sensor[4].p2_calib_offset = 3;
> +	priv->sensor[5].p1_calib_offset = -1;
> +	priv->sensor[5].p2_calib_offset = -1;
> +	priv->sensor[6].p1_calib_offset = 0;
> +	priv->sensor[6].p2_calib_offset = -1;
> +	priv->sensor[7].p1_calib_offset = 3;
> +	priv->sensor[7].p2_calib_offset = 4;
> +	priv->sensor[8].p1_calib_offset = 2;
> +	priv->sensor[8].p2_calib_offset = 4;
> +	priv->sensor[9].p1_calib_offset = 0;
> +	priv->sensor[9].p2_calib_offset = 0;
> +	priv->sensor[10].p1_calib_offset = -3;
> +	priv->sensor[10].p2_calib_offset = -2;
> +
> +	return init_common(priv);
> +}
> +
>   static int __init init_8956(struct tsens_priv *priv) {
>   	priv->sensor[0].slope = 3313;
>   	priv->sensor[1].slope = 3275;
> @@ -223,6 +254,19 @@ struct tsens_plat_data data_8937 = {
>   	.fields		= tsens_v1_regfields,
>   };
>   
> +static const struct tsens_ops ops_8952 = {
> +	.init		= init_8952,
> +	.calibrate	= tsens_calibrate_common,
> +	.get_temp	= get_temp_tsens_valid,
> +};
> +
> +struct tsens_plat_data data_8952 = {
> +	.num_sensors	= 11,
> +	.ops		= &ops_8952,
> +	.feat		= &tsens_v1_feat,
> +	.fields		= tsens_v1_regfields,
> +};
> +
>   static const struct tsens_ops ops_8956 = {
>   	.init		= init_8956,
>   	.calibrate	= tsens_calibrate_common,
> diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
> index b5ec70201e2f..4d7013fc79d6 100644
> --- a/drivers/thermal/qcom/tsens.c
> +++ b/drivers/thermal/qcom/tsens.c
> @@ -1191,6 +1191,9 @@ static const struct of_device_id tsens_table[] = {
>   	}, {
>   		.compatible = "qcom,msm8939-tsens",
>   		.data = &data_8939,
> +	}, {
> +		.compatible = "qcom,msm8952-tsens",
> +		.data = &data_8952,
>   	}, {
>   		.compatible = "qcom,msm8956-tsens",
>   		.data = &data_8956,
> diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
> index e8376accdff3..a35b15312961 100644
> --- a/drivers/thermal/qcom/tsens.h
> +++ b/drivers/thermal/qcom/tsens.h
> @@ -669,7 +669,7 @@ extern struct tsens_plat_data data_8960;
>   extern struct tsens_plat_data data_8226, data_8909, data_8916, data_8939, data_8974, data_9607;
>   
>   /* TSENS v1 targets */
> -extern struct tsens_plat_data data_tsens_v1, data_8937, data_8976, data_8956;
> +extern struct tsens_plat_data data_tsens_v1, data_8937, data_8952, data_8976, data_8956;
>   
>   /* TSENS v1 with no RPM targets */
>   extern const struct tsens_plat_data data_ipq5018;
>