Commit 4af164c1 authored by Stephan Gerhold's avatar Stephan Gerhold Committed by Daniel Lezcano
Browse files

thermal/drivers/qcom/tsens-v0_1: Add MSM8909 data 

The MSM8909 SoC has 5 thermal sensors in a TSENS v0.1 block. Like
MDM9607 it uses a non-standard default slope value of 3000 [1] and needs
per-sensor "correction factors" to workaround issues with the factory
calibration [2].

[1]: https://git.codelinaro.org/clo/la/kernel/msm-3.18/-/blob/LA.UM.7.7.c26-09100-8x09.0/arch/arm/boot/dts/qcom/msm8909.dtsi#L476
[2]: https://git.codelinaro.org/clo/la/kernel/msm-3.18/-/commit/6df022c6d0c2c1b4a5a6c2124dba4d57910c0911



Reviewed-by: default avatarKonrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: default avatarStephan Gerhold <stephan.gerhold@kernkonzept.com>
Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230508-msm8909-tsens-v5-6-5eb632235ba7@kernkonzept.com
parent ba3bcfeb

drivers/thermal/qcom/tsens-v0_1.c

+35 −1
Original line number Diff line number Diff line
@@ -219,6 +219,27 @@ static int __init init_8226(struct tsens_priv *priv) 
	return init_common(priv);

}



static int __init init_8909(struct tsens_priv *priv)

{

	int i;



	for (i = 0; i < priv->num_sensors; ++i)

		priv->sensor[i].slope = 3000;



	priv->sensor[0].p1_calib_offset = 0;

	priv->sensor[0].p2_calib_offset = 0;

	priv->sensor[1].p1_calib_offset = -10;

	priv->sensor[1].p2_calib_offset = -6;

	priv->sensor[2].p1_calib_offset = 0;

	priv->sensor[2].p2_calib_offset = 0;

	priv->sensor[3].p1_calib_offset = -9;

	priv->sensor[3].p2_calib_offset = -9;

	priv->sensor[4].p1_calib_offset = -8;

	priv->sensor[4].p2_calib_offset = -10;



	return init_common(priv);

}



static int __init init_8939(struct tsens_priv *priv) {

	priv->sensor[0].slope = 2911;

	priv->sensor[1].slope = 2789;
@@ -255,7 +276,7 @@ static int __init init_9607(struct tsens_priv *priv) 
	return init_common(priv);

}



/* v0.1: 8226, 8916, 8939, 8974, 9607 */

/* v0.1: 8226, 8909, 8916, 8939, 8974, 9607 */



static struct tsens_features tsens_v0_1_feat = {

	.ver_major	= VER_0_1,
@@ -323,6 +344,19 @@ struct tsens_plat_data data_8226 = { 
	.fields	= tsens_v0_1_regfields,

};



static const struct tsens_ops ops_8909 = {

	.init		= init_8909,

	.calibrate	= tsens_calibrate_common,

	.get_temp	= get_temp_common,

};



struct tsens_plat_data data_8909 = {

	.num_sensors	= 5,

	.ops		= &ops_8909,

	.feat		= &tsens_v0_1_feat,

	.fields	= tsens_v0_1_regfields,

};



static const struct tsens_ops ops_8916 = {

	.init		= init_common,

	.calibrate	= calibrate_8916,

drivers/thermal/qcom/tsens.c

+3 −0
Original line number Diff line number Diff line
@@ -1112,6 +1112,9 @@ static const struct of_device_id tsens_table[] = { 
	}, {

		.compatible = "qcom,msm8226-tsens",

		.data = &data_8226,

	}, {

		.compatible = "qcom,msm8909-tsens",

		.data = &data_8909,

	}, {

		.compatible = "qcom,msm8916-tsens",

		.data = &data_8916,

drivers/thermal/qcom/tsens.h

+1 −1
Original line number Diff line number Diff line
@@ -639,7 +639,7 @@ int get_temp_common(const struct tsens_sensor *s, int *temp); 
extern struct tsens_plat_data data_8960;



/* TSENS v0.1 targets */

extern struct tsens_plat_data data_8226, data_8916, data_8939, data_8974, data_9607;

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_8976, data_8956;