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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]: 6df022c6d0

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230508-msm8909-tsens-v5-6-5eb632235ba7@kernkonzept.com
This commit is contained in:
Stephan Gerhold 2023-06-07 12:47:49 +02:00 committed by Daniel Lezcano
parent ba3bcfebea
commit 4af164c1c1
3 changed files with 39 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/thermal/qcom/tsens-v0_1.c
View File

@ -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,

3
drivers/thermal/qcom/tsens.c
View File

@ -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,

2
drivers/thermal/qcom/tsens.h
View File

@ -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;