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Commit 3966be3c authored by Sean Wang's avatar Sean Wang Committed by Eduardo Valentin
Browse files

thermal: mediatek: add support for MT7622 SoC 



MT7622 SoC has built-in thermal controller with one sensing point, the
patch just is to extend the functionality of the existing logic.

Changes v1 -> v2: rebase to 4.16-rc1

Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarShunli Wang <shunli.wang@mediatek.com>
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
parent 0f8487f2

drivers/thermal/mtk_thermal.c

+35 −0
Original line number Diff line number Diff line
@@ -153,6 +153,12 @@ 
/* The number of sensing points per bank */

#define MT2712_NUM_SENSORS_PER_ZONE	4



#define MT7622_TEMP_AUXADC_CHANNEL	11

#define MT7622_NUM_SENSORS		1

#define MT7622_NUM_ZONES		1

#define MT7622_NUM_SENSORS_PER_ZONE	1

#define MT7622_TS1	0



struct mtk_thermal;



struct thermal_bank_cfg {
@@ -242,6 +248,12 @@ static const int mt2712_adcpnp[MT2712_NUM_SENSORS_PER_ZONE] = { 


static const int mt2712_mux_values[MT2712_NUM_SENSORS] = { 0, 1, 2, 3 };



/* MT7622 thermal sensor data */

static const int mt7622_bank_data[MT7622_NUM_SENSORS] = { MT7622_TS1, };

static const int mt7622_msr[MT7622_NUM_SENSORS_PER_ZONE] = { TEMP_MSR0, };

static const int mt7622_adcpnp[MT7622_NUM_SENSORS_PER_ZONE] = { TEMP_ADCPNP0, };

static const int mt7622_mux_values[MT7622_NUM_SENSORS] = { 0, };



/**

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

 * four temperature sensors simultaneously. The MT8173 has a total of 5
@@ -329,6 +341,25 @@ static const struct mtk_thermal_data mt2712_thermal_data = { 
	.sensor_mux_values = mt2712_mux_values,

};



/*

 * MT7622 have only one sensing point which uses AUXADC Channel 11 for raw data

 * access.

 */

static const struct mtk_thermal_data mt7622_thermal_data = {

	.auxadc_channel = MT7622_TEMP_AUXADC_CHANNEL,

	.num_banks = MT7622_NUM_ZONES,

	.num_sensors = MT7622_NUM_SENSORS,

	.bank_data = {

		{

			.num_sensors = 1,

			.sensors = mt7622_bank_data,

		},

	},

	.msr = mt7622_msr,

	.adcpnp = mt7622_adcpnp,

	.sensor_mux_values = mt7622_mux_values,

};



/**

 * raw_to_mcelsius - convert a raw ADC value to mcelsius

 * @mt:		The thermal controller
@@ -631,6 +662,10 @@ static const struct of_device_id mtk_thermal_of_match[] = { 
	{

		.compatible = "mediatek,mt2712-thermal",

		.data = (void *)&mt2712_thermal_data,

	},

	{

		.compatible = "mediatek,mt7622-thermal",

		.data = (void *)&mt7622_thermal_data,

	}, {

	},

};