linux-kernel - Re: [PATCH v3 5/5] thermal/drivers/tsens: Add IPQ5332 support

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Message-ID: <adc04328-d9c5-1c67-8396-08137334af1e@linaro.org>
Date:   Sat, 15 Jul 2023 16:06:36 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Praveenkumar I <quic_ipkumar@...cinc.com>, amitk@...nel.org,
        thara.gopinath@...il.com, agross@...nel.org, andersson@...nel.org,
        rafael@...nel.org, daniel.lezcano@...aro.org, rui.zhang@...el.com,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, linux-pm@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     quic_varada@...cinc.com
Subject: Re: [PATCH v3 5/5] thermal/drivers/tsens: Add IPQ5332 support

On 13.07.2023 07:27, Praveenkumar I wrote:
> IPQ5332 uses tsens v2.3.3 IP and it is having combined interrupt.
> It does not have RPM and kernel needs to take care of sensor
> enablement, calibration. Hence introduced new feature_config,
> ops and data for IPQ5332.
> 
> Signed-off-by: Praveenkumar I <quic_ipkumar@...cinc.com>
> ---
> [v3]:
> 	No changes.
> [v2]:
> 	Added tsens_features for ipq5332 with VER_2_X_NO_RPM. Used
> 	hw_ids to mention the available sensors. Dropped v2 in
> 	ops_ipq5332.
> 
>  drivers/thermal/qcom/tsens-v2.c | 25 +++++++++++++++++++++++++
>  drivers/thermal/qcom/tsens.c    |  3 +++
>  drivers/thermal/qcom/tsens.h    |  2 +-
>  3 files changed, 29 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c
> index 781595a9a622..e25d9d34e519 100644
> --- a/drivers/thermal/qcom/tsens-v2.c
> +++ b/drivers/thermal/qcom/tsens-v2.c
> @@ -62,6 +62,17 @@ static struct tsens_features ipq8074_feat = {
>  	.trip_max_temp	= 204000,
>  };
>  
> +static struct tsens_features ipq5332_feat = {
> +	.ver_major	= VER_2_X_NO_RPM,
> +	.crit_int	= 1,
> +	.combo_int	= 1,
> +	.adc		= 0,
> +	.srot_split	= 1,
> +	.max_sensors	= 16,
> +	.trip_min_temp	= 0,
> +	.trip_max_temp	= 204000,
204 degrees Celcius?

Konrad
> +};
> +
>  static const struct reg_field tsens_v2_regfields[MAX_REGFIELDS] = {
>  	/* ----- SROT ------ */
>  	/* VERSION */
> @@ -262,6 +273,20 @@ struct tsens_plat_data data_ipq8074 = {
>  	.fields	= tsens_v2_regfields,
>  };
>  
> +static const struct tsens_ops ops_ipq5332 = {
> +	.init		= init_tsens_v2_no_rpm,
> +	.get_temp	= get_temp_tsens_valid,
> +	.calibrate	= tsens_v2_calibration,
> +};
> +
> +struct tsens_plat_data data_ipq5332 = {
> +	.num_sensors	= 5,
> +	.ops		= &ops_ipq5332,
> +	.hw_ids		= (unsigned int []){11, 12, 13, 14, 15},
> +	.feat		= &ipq5332_feat,
> +	.fields		= tsens_v2_regfields,
> +};
> +
>  /* Kept around for backward compatibility with old msm8996.dtsi */
>  struct tsens_plat_data data_8996 = {
>  	.num_sensors	= 13,
> diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
> index 9dc0c2150948..af58a94628a8 100644
> --- a/drivers/thermal/qcom/tsens.c
> +++ b/drivers/thermal/qcom/tsens.c
> @@ -1106,6 +1106,9 @@ static const struct of_device_id tsens_table[] = {
>  	}, {
>  		.compatible = "qcom,ipq8074-tsens",
>  		.data = &data_ipq8074,
> +	}, {
> +		.compatible = "qcom,ipq5332-tsens",
> +		.data = &data_ipq5332,
>  	}, {
>  		.compatible = "qcom,mdm9607-tsens",
>  		.data = &data_9607,
> diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
> index b2e8f0f2b466..1dde363914cd 100644
> --- a/drivers/thermal/qcom/tsens.h
> +++ b/drivers/thermal/qcom/tsens.h
> @@ -648,6 +648,6 @@ extern struct tsens_plat_data data_8226, data_8909, data_8916, data_8939, data_8
>  extern struct tsens_plat_data data_tsens_v1, data_8976, data_8956;
>  
>  /* TSENS v2 targets */
> -extern struct tsens_plat_data data_8996, data_ipq8074, data_tsens_v2;
> +extern struct tsens_plat_data data_8996, data_ipq8074, data_ipq5332, data_tsens_v2;
>  
>  #endif /* __QCOM_TSENS_H__ */