linux-kernel - [PATCH 3/6] thermal/drivers/qcom/tsens-v0

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Message-Id: <20230507201225.89694-4-matti.lehtimaki@gmail.com>
Date:   Sun,  7 May 2023 23:12:21 +0300
From:   Matti Lehtimäki <matti.lehtimaki@...il.com>
To:     linux-arm-msm@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Matti Lehtimäki <matti.lehtimaki@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Thara Gopinath <thara.gopinath@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/6] thermal/drivers/qcom/tsens-v0_1: Add support for MSM8226

The MSM8226 TSENS IP has 6 thermal sensors in a TSENS v0.1 block.
The thermal sensors use non-standard slope values.

Signed-off-by: Matti Lehtimäki <matti.lehtimaki@...il.com>
---
 drivers/thermal/qcom/tsens-v0_1.c | 27 ++++++++++++++++++++++++++-
 drivers/thermal/qcom/tsens.c      |  3 +++
 drivers/thermal/qcom/tsens.h      |  2 +-
 3 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c
index e89c6f39a3ae..ad57ab94546b 100644
--- a/drivers/thermal/qcom/tsens-v0_1.c
+++ b/drivers/thermal/qcom/tsens-v0_1.c
@@ -243,6 +243,18 @@ static int calibrate_8974(struct tsens_priv *priv)
 	return 0;
 }
 
+static int __init init_8226(struct tsens_priv *priv)
+{
+	priv->sensor[0].slope = 2901;
+	priv->sensor[1].slope = 2846;
+	priv->sensor[2].slope = 3038;
+	priv->sensor[3].slope = 2955;
+	priv->sensor[4].slope = 2901;
+	priv->sensor[5].slope = 2846;
+
+	return init_common(priv);
+}
+
 static int __init init_8939(struct tsens_priv *priv) {
 	priv->sensor[0].slope = 2911;
 	priv->sensor[1].slope = 2789;
@@ -258,7 +270,7 @@ static int __init init_8939(struct tsens_priv *priv) {
 	return init_common(priv);
 }
 
-/* v0.1: 8916, 8939, 8974, 9607 */
+/* v0.1: 8226, 8916, 8939, 8974, 9607 */
 
 static struct tsens_features tsens_v0_1_feat = {
 	.ver_major	= VER_0_1,
@@ -313,6 +325,19 @@ static const struct tsens_ops ops_v0_1 = {
 	.get_temp	= get_temp_common,
 };
 
+static const struct tsens_ops ops_8226 = {
+	.init		= init_8226,
+	.calibrate	= tsens_calibrate_common,
+	.get_temp	= get_temp_common,
+};
+
+struct tsens_plat_data data_8226 = {
+	.num_sensors	= 6,
+	.ops		= &ops_8226,
+	.feat		= &tsens_v0_1_feat,
+	.fields	= tsens_v0_1_regfields,
+};
+
 static const struct tsens_ops ops_8916 = {
 	.init		= init_common,
 	.calibrate	= calibrate_8916,
diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index 8020ead2794e..eb33a8bf0488 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -1095,6 +1095,9 @@ static const struct of_device_id tsens_table[] = {
 	}, {
 		.compatible = "qcom,mdm9607-tsens",
 		.data = &data_9607,
+	}, {
+		.compatible = "qcom,msm8226-tsens",
+		.data = &data_8226,
 	}, {
 		.compatible = "qcom,msm8916-tsens",
 		.data = &data_8916,
diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
index dba9cd38f637..433eba370998 100644
--- a/drivers/thermal/qcom/tsens.h
+++ b/drivers/thermal/qcom/tsens.h
@@ -635,7 +635,7 @@ 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_8916, data_8939, data_8974, data_9607;
+extern struct tsens_plat_data data_8226, data_8916, data_8939, data_8974, data_9607;
 
 /* TSENS v1 targets */
 extern struct tsens_plat_data data_tsens_v1, data_8976, data_8956;
-- 
2.34.1