linux-kernel - [PATCH v6 4/5] drivers: thermal: tsens: add IPQ8074 support

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Date:   Thu, 14 Jul 2022 12:14:50 +0200
From:   Robert Marko <robimarko@...il.com>
To:     agross@...nel.org, bjorn.andersson@...aro.org,
        konrad.dybcio@...ainline.org, amitk@...nel.org,
        thara.gopinath@...il.com, rafael@...nel.org,
        daniel.lezcano@...aro.org, rui.zhang@...el.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-arm-msm@...r.kernel.org,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Robert Marko <robimarko@...il.com>
Subject: [PATCH v6 4/5] drivers: thermal: tsens: add IPQ8074 support

Qualcomm IPQ8074 uses tsens v2.3 IP, however unlike other tsens v2 IP
it only has one IRQ, that is used for up/low as well as critical.
It also does not support negative trip temperatures.

Signed-off-by: Robert Marko <robimarko@...il.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 drivers/thermal/qcom/tsens-v2.c | 17 +++++++++++++++++
 drivers/thermal/qcom/tsens.c    |  3 +++
 drivers/thermal/qcom/tsens.h    |  2 +-
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c
index 9babc69bfd22..29a61d2d6ca3 100644
--- a/drivers/thermal/qcom/tsens-v2.c
+++ b/drivers/thermal/qcom/tsens-v2.c
@@ -39,6 +39,17 @@ static struct tsens_features tsens_v2_feat = {
 	.trip_max_temp	= 120000,
 };
 
+static struct tsens_features ipq8074_feat = {
+	.ver_major	= VER_2_X,
+	.crit_int	= 1,
+	.combo_int	= 1,
+	.adc		= 0,
+	.srot_split	= 1,
+	.max_sensors	= 16,
+	.trip_min_temp	= 0,
+	.trip_max_temp	= 204000,
+};
+
 static const struct reg_field tsens_v2_regfields[MAX_REGFIELDS] = {
 	/* ----- SROT ------ */
 	/* VERSION */
@@ -104,6 +115,12 @@ struct tsens_plat_data data_tsens_v2 = {
 	.fields	= tsens_v2_regfields,
 };
 
+struct tsens_plat_data data_ipq8074 = {
+	.ops		= &ops_generic_v2,
+	.feat		= &ipq8074_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 3286f295d61c..e4de73d9a499 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -991,6 +991,9 @@ static const struct of_device_id tsens_table[] = {
 	{
 		.compatible = "qcom,ipq8064-tsens",
 		.data = &data_8960,
+	}, {
+		.compatible = "qcom,ipq8074-tsens",
+		.data = &data_ipq8074,
 	}, {
 		.compatible = "qcom,mdm9607-tsens",
 		.data = &data_9607,
diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
index 747004476347..8dd990d944ad 100644
--- a/drivers/thermal/qcom/tsens.h
+++ b/drivers/thermal/qcom/tsens.h
@@ -599,6 +599,6 @@ extern struct tsens_plat_data data_8916, data_8939, data_8974, data_9607;
 extern struct tsens_plat_data data_tsens_v1, data_8976;
 
 /* TSENS v2 targets */
-extern struct tsens_plat_data data_8996, data_tsens_v2;
+extern struct tsens_plat_data data_8996, data_ipq8074, data_tsens_v2;
 
 #endif /* __QCOM_TSENS_H__ */
-- 
2.36.1