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Date: Fri, 15 Sep 2023 17:45:03 +0530
From: Sricharan Ramabadhran <quic_srichara@...cinc.com>
To: <krzysztof.kozlowski@...aro.org>, <agross@...nel.org>,
<andersson@...nel.org>, <konrad.dybcio@...aro.org>,
<srinivas.kandagatla@...aro.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
<thara.gopinath@...il.com>, <rafael@...nel.org>,
<daniel.lezcano@...aro.org>, <linux-arm-msm@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-pm@...r.kernel.org>, <dmitry.baryshkov@...aro.org>,
<quic_srichara@...cinc.com>
Subject: [PATCH V2 3/4] thermal/drivers/tsens: Add support for IPQ5018 tsens
IPQ5018 has tsens IP V1.0, 4 sensors and 1 interrupt.
The soc does not have a RPM, hence tsens has to be reset and
enabled in the driver init. Adding the driver support for same.
Signed-off-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
---
[v2] Used tsens_calibrate_common instead of legacy
and addressed comments from Dmitry.
drivers/thermal/qcom/tsens-v1.c | 58 +++++++++++++++++++++++++++++++++
drivers/thermal/qcom/tsens.c | 3 ++
drivers/thermal/qcom/tsens.h | 2 +-
3 files changed, 62 insertions(+), 1 deletion(-)
diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c
index dc1c4ae2d8b0..ed5c017905ab 100644
--- a/drivers/thermal/qcom/tsens-v1.c
+++ b/drivers/thermal/qcom/tsens-v1.c
@@ -79,6 +79,18 @@ static struct tsens_features tsens_v1_feat = {
.trip_max_temp = 120000,
};
+static struct tsens_features tsens_v1_ipq5018_feat = {
+ .ver_major = VER_1_X,
+ .crit_int = 0,
+ .combo_int = 0,
+ .adc = 1,
+ .srot_split = 1,
+ .max_sensors = 11,
+ .trip_min_temp = -40000,
+ .trip_max_temp = 120000,
+ .ignore_enable = 1,
+};
+
static const struct reg_field tsens_v1_regfields[MAX_REGFIELDS] = {
/* ----- SROT ------ */
/* VERSION */
@@ -150,6 +162,39 @@ static int __init init_8956(struct tsens_priv *priv) {
return init_common(priv);
}
+static int init_ipq5018(struct tsens_priv *priv)
+{
+ int ret;
+ u32 mask;
+
+ init_common(priv);
+ if (!priv->tm_map)
+ return -ENODEV;
+
+ ret = regmap_field_write(priv->rf[TSENS_SW_RST], 1);
+ if (ret) {
+ dev_err(priv->dev, "Reset failed\n");
+ return ret;
+ }
+
+ mask = GENMASK(priv->num_sensors, 0);
+ ret = regmap_field_update_bits(priv->rf[SENSOR_EN], mask, mask);
+ if (ret) {
+ dev_err(priv->dev, "Sensor Enable failed\n");
+ return ret;
+ }
+
+ ret = regmap_field_write(priv->rf[TSENS_EN], 1);
+ if (ret) {
+ dev_err(priv->dev, "Enable failed\n");
+ return ret;
+ }
+
+ ret = regmap_field_write(priv->rf[TSENS_SW_RST], 0);
+
+ return ret;
+}
+
static const struct tsens_ops ops_generic_v1 = {
.init = init_common,
.calibrate = calibrate_v1,
@@ -187,3 +232,16 @@ struct tsens_plat_data data_8976 = {
.feat = &tsens_v1_feat,
.fields = tsens_v1_regfields,
};
+
+const struct tsens_ops ops_ipq5018 = {
+ .init = init_ipq5018,
+ .calibrate = tsens_calibrate_common,
+ .get_temp = get_temp_tsens_valid,
+};
+
+struct tsens_plat_data data_ipq5018 = {
+ .num_sensors = 5,
+ .ops = &ops_ipq5018,
+ .feat = &tsens_v1_ipq5018_feat,
+ .fields = tsens_v1_regfields,
+};
diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index 0a43ccf02ec4..c792b9dc6676 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -1101,6 +1101,9 @@ static SIMPLE_DEV_PM_OPS(tsens_pm_ops, tsens_suspend, tsens_resume);
static const struct of_device_id tsens_table[] = {
{
+ .compatible = "qcom,ipq5018-tsens",
+ .data = &data_ipq5018,
+ }, {
.compatible = "qcom,ipq8064-tsens",
.data = &data_8960,
}, {
diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
index e254cd2df904..b6594b546d11 100644
--- a/drivers/thermal/qcom/tsens.h
+++ b/drivers/thermal/qcom/tsens.h
@@ -645,7 +645,7 @@ 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_8976, data_8956;
+extern struct tsens_plat_data data_tsens_v1, data_8976, data_8956, data_ipq5018;
/* TSENS v2 targets */
extern struct tsens_plat_data data_8996, data_ipq8074, data_tsens_v2;
--
2.34.1
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