[PATCH v7 6/7] thermal: tsens: Add generic support for TSENS v2 IP

From: Amit Kucheria <amit.kucheria@linaro.org>
To: linux-kernel@vger.kernel.org
Cc: rnayak@codeaurora.org, linux-arm-msm@vger.kernel.org,
	bjorn.andersson@linaro.org, edubezval@gmail.com,
	smohanad@codeaurora.org, vivek.gautam@codeaurora.org,
	andy.gross@linaro.org, dianders@chromium.org, mka@chromium.org,
	Zhang Rui <rui.zhang@intel.com>, Rob Herring <robh@kernel.org>,
	Kees Cook <keescook@chromium.org>,
	linux-pm@vger.kernel.org
Subject: [PATCH v7 6/7] thermal: tsens: Add generic support for TSENS v2 IP
Date: Thu, 12 Jul 2018 14:09:07 +0530	[thread overview]
Message-ID: <34de426540a878bf77a77dd2c42a16678d6545a7.1531384019.git.amit.kucheria@linaro.org> (raw)
In-Reply-To: <cover.1531384019.git.amit.kucheria@linaro.org>
In-Reply-To: <cover.1531384019.git.amit.kucheria@linaro.org>

SDM845 uses v2 of the TSENS IP block but the get_temp() function appears to
be identical across v2.x.y in code seen so far. We use the generic
get_temp() function defined as part of ops_generic_v2.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
---
 drivers/thermal/qcom/tsens-v2.c | 5 +++++
 drivers/thermal/qcom/tsens.c    | 3 +++
 drivers/thermal/qcom/tsens.h    | 5 ++++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c
index 44d3736..f40150f 100644
--- a/drivers/thermal/qcom/tsens-v2.c
+++ b/drivers/thermal/qcom/tsens-v2.c
@@ -69,6 +69,11 @@ static const struct tsens_ops ops_generic_v2 = {
 	.get_temp	= get_temp_tsens_v2,
 };
 
+const struct tsens_data data_tsens_v2 = {
+	.ops            = &ops_generic_v2,
+};
+
+/* Kept around for backward compatibility with old msm8996.dtsi */
 const struct tsens_data data_8996 = {
 	.num_sensors	= 13,
 	.ops		= &ops_generic_v2,
diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index 3440166c..a2c9bfa 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -72,6 +72,9 @@ static const struct of_device_id tsens_table[] = {
 	}, {
 		.compatible = "qcom,msm8996-tsens",
 		.data = &data_8996,
+	}, {
+		.compatible = "qcom,tsens-v2",
+		.data = &data_tsens_v2,
 	},
 	{}
 };
diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
index d785b37..14331eb 100644
--- a/drivers/thermal/qcom/tsens.h
+++ b/drivers/thermal/qcom/tsens.h
@@ -88,6 +88,9 @@ void compute_intercept_slope(struct tsens_device *, u32 *, u32 *, u32);
 int init_common(struct tsens_device *);
 int get_temp_common(struct tsens_device *, int, int *);
 
-extern const struct tsens_data data_8916, data_8974, data_8960, data_8996;
+/* TSENS v1 targets */
+extern const struct tsens_data data_8916, data_8974, data_8960;
+/* TSENS v2 targets */
+extern const struct tsens_data data_8996, data_tsens_v2;
 
 #endif /* __QCOM_TSENS_H__ */
-- 
2.7.4
