From: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx> 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@xxxxxxxxxxx> --- [v3] Fixed Dmitry's comments for error checks in init_ipq5018 drivers/thermal/qcom/tsens-v1.c | 60 +++++++++++++++++++++++++++++++++ drivers/thermal/qcom/tsens.c | 3 ++ drivers/thermal/qcom/tsens.h | 2 +- 3 files changed, 64 insertions(+), 1 deletion(-) diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c index dc1c4ae2d8b0..acee2064f83e 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 +162,41 @@ 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; + + ret = init_common(priv); + if (ret < 0) { + dev_err(priv->dev, "Init common failed %d\n", ret); + return ret; + } + + 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 +234,16 @@ 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