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]: https://git.codelinaro.org/clo/la/kernel/msm-3.18/-/commit/6df022c6d0c2c1b4a5a6c2124dba4d57910c0911

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

diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c
index 4a55a8ea00438ac0decfc7d2e95bad4c43276987..a941b4241b0ab96aa7e0f70f8d7104dbd5e9e944 100644 (file)
--- a/drivers/thermal/qcom/tsens-v0_1.c
+++ b/drivers/thermal/qcom/tsens-v0_1.c
@@ -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,

diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index 9dd5e4b709117e2f899fe17d90abcf2bf1af92ee..1ab165370fb0128327e0490e7239f4284fee6966 100644 (file)
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -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,

diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
index 1cd8f4fe0971ffcebe1433514bd69b83098b7c4a..2805de1c68279c3a7af64ff42271ce7f483fef2c 100644 (file)
--- a/drivers/thermal/qcom/tsens.h
+++ b/drivers/thermal/qcom/tsens.h
@@ -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;