Commit 56edffdc authored by Fabien Parent's avatar Fabien Parent Committed by Daniel Lezcano
Browse files

thermal/drivers/mediatek: Add support for MT8365 SoC 



MT8365 is similar to the other SoCs supported by the driver. It has only
one bank and 3 actual sensors that can be multiplexed. There is another
one sensor that does not have usable data.

Signed-off-by: default avatarFabien Parent <fparent@baylibre.com>
Signed-off-by: default avatarAmjad Ouled-Ameur <aouledameur@baylibre.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221018-up-i350-thermal-bringup-v9-3-55a1ae14af74@baylibre.com


Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
parent 33140e66

drivers/thermal/mediatek/auxadc_thermal.c

+68 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ 
#define AUXADC_CON2_V		0x010

#define AUXADC_DATA(channel)	(0x14 + (channel) * 4)



#define APMIXED_SYS_TS_CON0	0x600

#define APMIXED_SYS_TS_CON1	0x604



/* Thermal Controller Registers */
@@ -281,6 +282,17 @@ enum mtk_thermal_version { 
/* The calibration coefficient of sensor  */

#define MT7986_CALIBRATION		165



/* MT8365 */

#define MT8365_TEMP_AUXADC_CHANNEL 11

#define MT8365_CALIBRATION 164

#define MT8365_NUM_CONTROLLER 1

#define MT8365_NUM_BANKS 1

#define MT8365_NUM_SENSORS 3

#define MT8365_NUM_SENSORS_PER_ZONE 3

#define MT8365_TS1 0

#define MT8365_TS2 1

#define MT8365_TS3 2



struct mtk_thermal;



struct thermal_bank_cfg {
@@ -435,6 +447,24 @@ static const int mt7986_mux_values[MT7986_NUM_SENSORS] = { 0, }; 
static const int mt7986_vts_index[MT7986_NUM_SENSORS] = { VTS1 };

static const int mt7986_tc_offset[MT7986_NUM_CONTROLLER] = { 0x0, };



/* MT8365 thermal sensor data */

static const int mt8365_bank_data[MT8365_NUM_SENSORS] = {

	MT8365_TS1, MT8365_TS2, MT8365_TS3

};



static const int mt8365_msr[MT8365_NUM_SENSORS_PER_ZONE] = {

	TEMP_MSR0, TEMP_MSR1, TEMP_MSR2

};



static const int mt8365_adcpnp[MT8365_NUM_SENSORS_PER_ZONE] = {

	TEMP_ADCPNP0, TEMP_ADCPNP1, TEMP_ADCPNP2

};



static const int mt8365_mux_values[MT8365_NUM_SENSORS] = { 0, 1, 2 };

static const int mt8365_tc_offset[MT8365_NUM_CONTROLLER] = { 0 };



static const int mt8365_vts_index[MT8365_NUM_SENSORS] = { VTS1, VTS2, VTS3 };



/*

 * The MT8173 thermal controller has four banks. Each bank can read up to

 * four temperature sensors simultaneously. The MT8173 has a total of 5
@@ -509,6 +539,40 @@ static const struct mtk_thermal_data mt2701_thermal_data = { 
	.version = MTK_THERMAL_V1,

};



/*

 * The MT8365 thermal controller has one bank, which can read up to

 * four temperature sensors simultaneously. The MT8365 has a total of 3

 * 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 mt8365_thermal_data = {

	.auxadc_channel = MT8365_TEMP_AUXADC_CHANNEL,

	.num_banks = MT8365_NUM_BANKS,

	.num_sensors = MT8365_NUM_SENSORS,

	.vts_index = mt8365_vts_index,

	.cali_val = MT8365_CALIBRATION,

	.num_controller = MT8365_NUM_CONTROLLER,

	.controller_offset = mt8365_tc_offset,

	.need_switch_bank = false,

	.bank_data = {

		{

			.num_sensors = MT8365_NUM_SENSORS,

			.sensors = mt8365_bank_data

		},

	},

	.msr = mt8365_msr,

	.adcpnp = mt8365_adcpnp,

	.sensor_mux_values = mt8365_mux_values,

	.version = MTK_THERMAL_V1,

	.apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON0,

	.apmixed_buffer_ctl_mask = (u32) ~GENMASK(29, 28),

	.apmixed_buffer_ctl_set = 0,

};



/*

 * The MT2712 thermal controller has one bank, which can read up to

 * four temperature sensors simultaneously. The MT2712 has a total of 4
@@ -1080,6 +1144,10 @@ static const struct of_device_id mtk_thermal_of_match[] = { 
	{

		.compatible = "mediatek,mt8183-thermal",

		.data = (void *)&mt8183_thermal_data,

	},

	{

		.compatible = "mediatek,mt8365-thermal",

		.data = (void *)&mt8365_thermal_data,

	}, {

	},

};