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-rw-r--r--drivers/thermal/mtk_thermal.c88
-rw-r--r--drivers/thermal/rockchip_thermal.c65
2 files changed, 143 insertions, 10 deletions
diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
index 7737f14846f9..1e61c09153c9 100644
--- a/drivers/thermal/mtk_thermal.c
+++ b/drivers/thermal/mtk_thermal.c
@@ -3,6 +3,7 @@
* Author: Hanyi Wu <hanyi.wu@mediatek.com>
* Sascha Hauer <s.hauer@pengutronix.de>
* Dawei Chien <dawei.chien@mediatek.com>
+ * Louis Yu <louis.yu@mediatek.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -111,9 +112,10 @@
/*
* Layout of the fuses providing the calibration data
- * These macros could be used for both MT8173 and MT2701.
- * MT8173 has five sensors and need five VTS calibration data,
- * and MT2701 has three sensors and need three VTS calibration data.
+ * These macros could be used for MT8173, MT2701, and MT2712.
+ * MT8173 has 5 sensors and needs 5 VTS calibration data.
+ * MT2701 has 3 sensors and needs 3 VTS calibration data.
+ * MT2712 has 4 sensors and needs 4 VTS calibration data.
*/
#define MT8173_CALIB_BUF0_VALID BIT(0)
#define MT8173_CALIB_BUF1_ADC_GE(x) (((x) >> 22) & 0x3ff)
@@ -124,6 +126,8 @@
#define MT8173_CALIB_BUF2_VTS_TSABB(x) (((x) >> 14) & 0x1ff)
#define MT8173_CALIB_BUF0_DEGC_CALI(x) (((x) >> 1) & 0x3f)
#define MT8173_CALIB_BUF0_O_SLOPE(x) (((x) >> 26) & 0x3f)
+#define MT8173_CALIB_BUF0_O_SLOPE_SIGN(x) (((x) >> 7) & 0x1)
+#define MT8173_CALIB_BUF1_ID(x) (((x) >> 9) & 0x1)
/* MT2701 thermal sensors */
#define MT2701_TS1 0
@@ -136,11 +140,26 @@
/* The total number of temperature sensors in the MT2701 */
#define MT2701_NUM_SENSORS 3
-#define THERMAL_NAME "mtk-thermal"
-
/* The number of sensing points per bank */
#define MT2701_NUM_SENSORS_PER_ZONE 3
+/* MT2712 thermal sensors */
+#define MT2712_TS1 0
+#define MT2712_TS2 1
+#define MT2712_TS3 2
+#define MT2712_TS4 3
+
+/* AUXADC channel 11 is used for the temperature sensors */
+#define MT2712_TEMP_AUXADC_CHANNEL 11
+
+/* The total number of temperature sensors in the MT2712 */
+#define MT2712_NUM_SENSORS 4
+
+/* The number of sensing points per bank */
+#define MT2712_NUM_SENSORS_PER_ZONE 4
+
+#define THERMAL_NAME "mtk-thermal"
+
struct mtk_thermal;
struct thermal_bank_cfg {
@@ -215,6 +234,21 @@ static const int mt2701_adcpnp[MT2701_NUM_SENSORS_PER_ZONE] = {
static const int mt2701_mux_values[MT2701_NUM_SENSORS] = { 0, 1, 16 };
+/* MT2712 thermal sensor data */
+static const int mt2712_bank_data[MT2712_NUM_SENSORS] = {
+ MT2712_TS1, MT2712_TS2, MT2712_TS3, MT2712_TS4
+};
+
+static const int mt2712_msr[MT2712_NUM_SENSORS_PER_ZONE] = {
+ TEMP_MSR0, TEMP_MSR1, TEMP_MSR2, TEMP_MSR3
+};
+
+static const int mt2712_adcpnp[MT2712_NUM_SENSORS_PER_ZONE] = {
+ TEMP_ADCPNP0, TEMP_ADCPNP1, TEMP_ADCPNP2, TEMP_ADCPNP3
+};
+
+static const int mt2712_mux_values[MT2712_NUM_SENSORS] = { 0, 1, 2, 3 };
+
/**
* The MT8173 thermal controller has four banks. Each bank can read up to
* four temperature sensors simultaneously. The MT8173 has a total of 5
@@ -278,6 +312,31 @@ static const struct mtk_thermal_data mt2701_thermal_data = {
};
/**
+ * The MT2712 thermal controller has one bank, which can read up to
+ * four temperature sensors simultaneously. The MT2712 has a total of 4
+ * temperature sensors.
+ *
+ * The thermal core only gets the maximum temperature of this one bank,
+ * so the bank concept wouldn't be necessary here. However, the SVS (Smart
+ * Voltage Scaling) unit makes its decisions based on the same bank
+ * data.
+ */
+static const struct mtk_thermal_data mt2712_thermal_data = {
+ .auxadc_channel = MT2712_TEMP_AUXADC_CHANNEL,
+ .num_banks = 1,
+ .num_sensors = MT2712_NUM_SENSORS,
+ .bank_data = {
+ {
+ .num_sensors = 4,
+ .sensors = mt2712_bank_data,
+ },
+ },
+ .msr = mt2712_msr,
+ .adcpnp = mt2712_adcpnp,
+ .sensor_mux_values = mt2712_mux_values,
+};
+
+/**
* raw_to_mcelsius - convert a raw ADC value to mcelsius
* @mt: The thermal controller
* @raw: raw ADC value
@@ -552,7 +611,11 @@ static int mtk_thermal_get_calibration_data(struct device *dev,
mt->vts[MT8173_TS4] = MT8173_CALIB_BUF2_VTS_TS4(buf[2]);
mt->vts[MT8173_TSABB] = MT8173_CALIB_BUF2_VTS_TSABB(buf[2]);
mt->degc_cali = MT8173_CALIB_BUF0_DEGC_CALI(buf[0]);
- mt->o_slope = MT8173_CALIB_BUF0_O_SLOPE(buf[0]);
+ if (MT8173_CALIB_BUF1_ID(buf[1]) &
+ MT8173_CALIB_BUF0_O_SLOPE_SIGN(buf[0]))
+ mt->o_slope = -MT8173_CALIB_BUF0_O_SLOPE(buf[0]);
+ else
+ mt->o_slope = MT8173_CALIB_BUF0_O_SLOPE(buf[0]);
} else {
dev_info(dev, "Device not calibrated, using default calibration values\n");
}
@@ -571,6 +634,10 @@ static const struct of_device_id mtk_thermal_of_match[] = {
{
.compatible = "mediatek,mt2701-thermal",
.data = (void *)&mt2701_thermal_data,
+ },
+ {
+ .compatible = "mediatek,mt2712-thermal",
+ .data = (void *)&mt2712_thermal_data,
}, {
},
};
@@ -645,16 +712,16 @@ static int mtk_thermal_probe(struct platform_device *pdev)
return -EINVAL;
}
+ ret = device_reset(&pdev->dev);
+ if (ret)
+ return ret;
+
ret = clk_prepare_enable(mt->clk_auxadc);
if (ret) {
dev_err(&pdev->dev, "Can't enable auxadc clk: %d\n", ret);
return ret;
}
- ret = device_reset(&pdev->dev);
- if (ret)
- goto err_disable_clk_auxadc;
-
ret = clk_prepare_enable(mt->clk_peri_therm);
if (ret) {
dev_err(&pdev->dev, "Can't enable peri clk: %d\n", ret);
@@ -705,6 +772,7 @@ static struct platform_driver mtk_thermal_driver = {
module_platform_driver(mtk_thermal_driver);
+MODULE_AUTHOR("Louis Yu <louis.yu@mediatek.com>");
MODULE_AUTHOR("Dawei Chien <dawei.chien@mediatek.com>");
MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
MODULE_AUTHOR("Hanyi Wu <hanyi.wu@mediatek.com>");
diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 4c7796512453..206035139110 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -320,6 +320,44 @@ static const struct tsadc_table rk3288_code_table[] = {
{0, 125000},
};
+static const struct tsadc_table rk3328_code_table[] = {
+ {0, -40000},
+ {296, -40000},
+ {304, -35000},
+ {313, -30000},
+ {331, -20000},
+ {340, -15000},
+ {349, -10000},
+ {359, -5000},
+ {368, 0},
+ {378, 5000},
+ {388, 10000},
+ {398, 15000},
+ {408, 20000},
+ {418, 25000},
+ {429, 30000},
+ {440, 35000},
+ {451, 40000},
+ {462, 45000},
+ {473, 50000},
+ {485, 55000},
+ {496, 60000},
+ {508, 65000},
+ {521, 70000},
+ {533, 75000},
+ {546, 80000},
+ {559, 85000},
+ {572, 90000},
+ {586, 95000},
+ {600, 100000},
+ {614, 105000},
+ {629, 110000},
+ {644, 115000},
+ {659, 120000},
+ {675, 125000},
+ {TSADCV2_DATA_MASK, 125000},
+};
+
static const struct tsadc_table rk3368_code_table[] = {
{0, -40000},
{106, -40000},
@@ -790,6 +828,29 @@ static const struct rockchip_tsadc_chip rk3288_tsadc_data = {
},
};
+static const struct rockchip_tsadc_chip rk3328_tsadc_data = {
+ .chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
+ .chn_num = 1, /* one channels for tsadc */
+
+ .tshut_mode = TSHUT_MODE_CRU, /* default TSHUT via CRU */
+ .tshut_temp = 95000,
+
+ .initialize = rk_tsadcv2_initialize,
+ .irq_ack = rk_tsadcv3_irq_ack,
+ .control = rk_tsadcv3_control,
+ .get_temp = rk_tsadcv2_get_temp,
+ .set_alarm_temp = rk_tsadcv2_alarm_temp,
+ .set_tshut_temp = rk_tsadcv2_tshut_temp,
+ .set_tshut_mode = rk_tsadcv2_tshut_mode,
+
+ .table = {
+ .id = rk3328_code_table,
+ .length = ARRAY_SIZE(rk3328_code_table),
+ .data_mask = TSADCV2_DATA_MASK,
+ .mode = ADC_INCREMENT,
+ },
+};
+
static const struct rockchip_tsadc_chip rk3366_tsadc_data = {
.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
.chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */
@@ -875,6 +936,10 @@ static const struct of_device_id of_rockchip_thermal_match[] = {
.data = (void *)&rk3288_tsadc_data,
},
{
+ .compatible = "rockchip,rk3328-tsadc",
+ .data = (void *)&rk3328_tsadc_data,
+ },
+ {
.compatible = "rockchip,rk3366-tsadc",
.data = (void *)&rk3366_tsadc_data,
},