thermal: mediatek: add support for MT8183 (a4ffe6b5) · Commits · 戴 / test

drivers/thermal/mtk_thermal.c

+98 −1

Original line number	Diff line number	Diff line
		@@ -71,6 +71,15 @@

		#define TEMP_SPARE0 0x0f0

		#define TEMP_ADCPNP0_1 0x148
		#define TEMP_ADCPNP1_1 0x14c
		#define TEMP_ADCPNP2_1 0x150
		#define TEMP_MSR0_1 0x190
		#define TEMP_MSR1_1 0x194
		#define TEMP_MSR2_1 0x198
		#define TEMP_ADCPNP3_1 0x1b4
		#define TEMP_MSR3_1 0x1B8

		#define PTPCORESEL 0x400

		#define TEMP_MONCTL1_PERIOD_UNIT(x) ((x) & 0x3ff)
		@@ -113,7 +122,8 @@

		/*
		* Layout of the fuses providing the calibration data
		* These macros could be used for MT8173, MT2701, and MT2712.
		* These macros could be used for MT8183, MT8173, MT2701, and MT2712.
		* MT8183 has 6 sensors and needs 6 VTS calibration data.
		* 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.
		@@ -124,6 +134,7 @@
		#define CALIB_BUF0_VTS_TS2(x) (((x) >> 8) & 0x1ff)
		#define CALIB_BUF1_VTS_TS3(x) (((x) >> 0) & 0x1ff)
		#define CALIB_BUF2_VTS_TS4(x) (((x) >> 23) & 0x1ff)
		#define CALIB_BUF2_VTS_TS5(x) (((x) >> 5) & 0x1ff)
		#define CALIB_BUF2_VTS_TSABB(x) (((x) >> 14) & 0x1ff)
		#define CALIB_BUF0_DEGC_CALI(x) (((x) >> 1) & 0x3f)
		#define CALIB_BUF0_O_SLOPE(x) (((x) >> 26) & 0x3f)
		@@ -135,6 +146,7 @@ enum {
		VTS2,
		VTS3,
		VTS4,
		VTS5,
		VTSABB,
		MAX_NUM_VTS,
		};
		@@ -190,6 +202,29 @@ enum {
		/* The calibration coefficient of sensor */
		#define MT7622_CALIBRATION 165

		/* MT8183 thermal sensors */
		#define MT8183_TS1 0
		#define MT8183_TS2 1
		#define MT8183_TS3 2
		#define MT8183_TS4 3
		#define MT8183_TS5 4
		#define MT8183_TSABB 5

		/* AUXADC channel is used for the temperature sensors */
		#define MT8183_TEMP_AUXADC_CHANNEL 11

		/* The total number of temperature sensors in the MT8183 */
		#define MT8183_NUM_SENSORS 6

		/* The number of sensing points per bank */
		#define MT8183_NUM_SENSORS_PER_ZONE 6

		/* The number of controller in the MT8183 */
		#define MT8183_NUM_CONTROLLER 2

		/* The calibration coefficient of sensor */
		#define MT8183_CALIBRATION 153

		struct mtk_thermal;

		struct thermal_bank_cfg {
		@@ -236,6 +271,27 @@ struct mtk_thermal {
		struct mtk_thermal_bank banks[];
		};

		/* MT8183 thermal sensor data */
		static const int mt8183_bank_data[MT8183_NUM_SENSORS] = {
		MT8183_TS1, MT8183_TS2, MT8183_TS3, MT8183_TS4, MT8183_TS5, MT8183_TSABB
		};

		static const int mt8183_msr[MT8183_NUM_SENSORS_PER_ZONE] = {
		TEMP_MSR0_1, TEMP_MSR1_1, TEMP_MSR2_1, TEMP_MSR1, TEMP_MSR0, TEMP_MSR3_1
		};

		static const int mt8183_adcpnp[MT8183_NUM_SENSORS_PER_ZONE] = {
		TEMP_ADCPNP0_1, TEMP_ADCPNP1_1, TEMP_ADCPNP2_1,
		TEMP_ADCPNP1, TEMP_ADCPNP0, TEMP_ADCPNP3_1
		};

		static const int mt8183_mux_values[MT8183_NUM_SENSORS] = { 0, 1, 2, 3, 4, 0 };
		static const int mt8183_tc_offset[MT8183_NUM_CONTROLLER] = {0x0, 0x100};

		static const int mt8183_vts_index[MT8183_NUM_SENSORS] = {
		VTS1, VTS2, VTS3, VTS4, VTS5, VTSABB
		};

		/* MT8173 thermal sensor data */
		static const int mt8173_bank_data[MT8173_NUM_ZONES][3] = {
		{ MT8173_TS2, MT8173_TS3 },
		@@ -433,6 +489,39 @@ static const struct mtk_thermal_data mt7622_thermal_data = {
		.sensor_mux_values = mt7622_mux_values,
		};

		/**
		* The MT8183 thermal controller has one bank for the current SW framework.
		* The MT8183 has a total of 6 temperature sensors.
		* There are two thermal controller to control the six sensor.
		* The first one bind 2 sensor, and the other bind 4 sensors.
		* The thermal core only gets the maximum temperature of all sensor, 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, and this indeed needs the temperatures of the individual banks
		* for making better decisions.
		*/

		static const struct mtk_thermal_data mt8183_thermal_data = {
		.auxadc_channel = MT8183_TEMP_AUXADC_CHANNEL,
		.num_banks = MT8183_NUM_SENSORS_PER_ZONE,
		.num_sensors = MT8183_NUM_SENSORS,
		.vts_index = mt8183_vts_index,
		.cali_val = MT8183_CALIBRATION,
		.num_controller = MT8183_NUM_CONTROLLER,
		.controller_offset = mt8183_tc_offset,
		.need_switch_bank = false,
		.bank_data = {
		{
		.num_sensors = 6,
		.sensors = mt8183_bank_data,
		},
		},

		.msr = mt8183_msr,
		.adcpnp = mt8183_adcpnp,
		.sensor_mux_values = mt8183_mux_values,
		};

		/**
		* raw_to_mcelsius - convert a raw ADC value to mcelsius
		* @mt: The thermal controller
		@@ -726,6 +815,9 @@ static int mtk_thermal_get_calibration_data(struct device *dev,
		case VTS4:
		mt->vts[VTS4] = CALIB_BUF2_VTS_TS4(buf[2]);
		break;
		case VTS5:
		mt->vts[VTS5] = CALIB_BUF2_VTS_TS5(buf[2]);
		break;
		case VTSABB:
		mt->vts[VTSABB] = CALIB_BUF2_VTS_TSABB(buf[2]);
		break;
		@@ -766,6 +858,10 @@ static const struct of_device_id mtk_thermal_of_match[] = {
		{
		.compatible = "mediatek,mt7622-thermal",
		.data = (void *)&mt7622_thermal_data,
		},
		{
		.compatible = "mediatek,mt8183-thermal",
		.data = (void *)&mt8183_thermal_data,
		}, {
		},
		};
		@@ -898,6 +994,7 @@ static struct platform_driver mtk_thermal_driver = {

		module_platform_driver(mtk_thermal_driver);

		MODULE_AUTHOR("Michael Kao <michael.kao@mediatek.com>");
		MODULE_AUTHOR("Louis Yu <louis.yu@mediatek.com>");
		MODULE_AUTHOR("Dawei Chien <dawei.chien@mediatek.com>");
		MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");

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