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

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: Sean Wang's 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
......@@ -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,
}, {
},
};
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment