diff options
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/mtk_thermal.c | 79 |
1 files changed, 54 insertions, 25 deletions
diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c index 45c658711e0e..c96a746c42ea 100644 --- a/drivers/thermal/mtk_thermal.c +++ b/drivers/thermal/mtk_thermal.c @@ -105,6 +105,9 @@ /* The number of sensing points per bank */ #define MT8173_NUM_SENSORS_PER_ZONE 4 +/* The number of controller in the MT8173 */ +#define MT8173_NUM_CONTROLLER 1 + /* The calibration coefficient of sensor */ #define MT8173_CALIBRATION 165 @@ -150,6 +153,9 @@ enum { /* The number of sensing points per bank */ #define MT2701_NUM_SENSORS_PER_ZONE 3 +/* The number of controller in the MT2701 */ +#define MT2701_NUM_CONTROLLER 1 + /* The calibration coefficient of sensor */ #define MT2701_CALIBRATION 165 @@ -168,6 +174,9 @@ enum { /* The number of sensing points per bank */ #define MT2712_NUM_SENSORS_PER_ZONE 4 +/* The number of controller in the MT2712 */ +#define MT2712_NUM_CONTROLLER 1 + /* The calibration coefficient of sensor */ #define MT2712_CALIBRATION 165 @@ -176,6 +185,7 @@ enum { #define MT7622_NUM_ZONES 1 #define MT7622_NUM_SENSORS_PER_ZONE 1 #define MT7622_TS1 0 +#define MT7622_NUM_CONTROLLER 1 /* The calibration coefficient of sensor */ #define MT7622_CALIBRATION 165 @@ -201,6 +211,8 @@ struct mtk_thermal_data { const int *msr; const int *adcpnp; const int cali_val; + const int num_controller; + const int *controller_offset; struct thermal_bank_cfg bank_data[]; }; @@ -240,6 +252,7 @@ static const int mt8173_adcpnp[MT8173_NUM_SENSORS_PER_ZONE] = { }; static const int mt8173_mux_values[MT8173_NUM_SENSORS] = { 0, 1, 2, 3, 16 }; +static const int mt8173_tc_offset[MT8173_NUM_CONTROLLER] = { 0x0, }; static const int mt8173_vts_index[MT8173_NUM_SENSORS] = { VTS1, VTS2, VTS3, VTS4, VTSABB @@ -259,6 +272,7 @@ static const int mt2701_adcpnp[MT2701_NUM_SENSORS_PER_ZONE] = { }; static const int mt2701_mux_values[MT2701_NUM_SENSORS] = { 0, 1, 16 }; +static const int mt2701_tc_offset[MT2701_NUM_CONTROLLER] = { 0x0, }; static const int mt2701_vts_index[MT2701_NUM_SENSORS] = { VTS1, VTS2, VTS3 @@ -278,6 +292,7 @@ static const int mt2712_adcpnp[MT2712_NUM_SENSORS_PER_ZONE] = { }; static const int mt2712_mux_values[MT2712_NUM_SENSORS] = { 0, 1, 2, 3 }; +static const int mt2712_tc_offset[MT2712_NUM_CONTROLLER] = { 0x0, }; static const int mt2712_vts_index[MT2712_NUM_SENSORS] = { VTS1, VTS2, VTS3, VTS4 @@ -289,6 +304,7 @@ 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, }; static const int mt7622_vts_index[MT7622_NUM_SENSORS] = { VTS1 }; +static const int mt7622_tc_offset[MT7622_NUM_CONTROLLER] = { 0x0, }; /** * The MT8173 thermal controller has four banks. Each bank can read up to @@ -309,6 +325,8 @@ static const struct mtk_thermal_data mt8173_thermal_data = { .num_sensors = MT8173_NUM_SENSORS, .vts_index = mt8173_vts_index, .cali_val = MT8173_CALIBRATION, + .num_controller = MT8173_NUM_CONTROLLER, + .controller_offset = mt8173_tc_offset, .bank_data = { { .num_sensors = 2, @@ -345,6 +363,8 @@ static const struct mtk_thermal_data mt2701_thermal_data = { .num_sensors = MT2701_NUM_SENSORS, .vts_index = mt2701_vts_index, .cali_val = MT2701_CALIBRATION, + .num_controller = MT2701_NUM_CONTROLLER, + .controller_offset = mt2701_tc_offset, .bank_data = { { .num_sensors = 3, @@ -372,6 +392,8 @@ static const struct mtk_thermal_data mt2712_thermal_data = { .num_sensors = MT2712_NUM_SENSORS, .vts_index = mt2712_vts_index, .cali_val = MT2712_CALIBRATION, + .num_controller = MT2712_NUM_CONTROLLER, + .controller_offset = mt2712_tc_offset, .bank_data = { { .num_sensors = 4, @@ -393,6 +415,8 @@ static const struct mtk_thermal_data mt7622_thermal_data = { .num_sensors = MT7622_NUM_SENSORS, .vts_index = mt7622_vts_index, .cali_val = MT7622_CALIBRATION, + .num_controller = MT7622_NUM_CONTROLLER, + .controller_offset = mt7622_tc_offset, .bank_data = { { .num_sensors = 1, @@ -523,19 +547,23 @@ static const struct thermal_zone_of_device_ops mtk_thermal_ops = { }; static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num, - u32 apmixed_phys_base, u32 auxadc_phys_base) + u32 apmixed_phys_base, u32 auxadc_phys_base, + int ctrl_id) { struct mtk_thermal_bank *bank = &mt->banks[num]; const struct mtk_thermal_data *conf = mt->conf; int i; + int offset = mt->conf->controller_offset[ctrl_id]; + void __iomem *controller_base = mt->thermal_base + offset; + bank->id = num; bank->mt = mt; mtk_thermal_get_bank(bank); /* bus clock 66M counting unit is 12 * 15.15ns * 256 = 46.540us */ - writel(TEMP_MONCTL1_PERIOD_UNIT(12), mt->thermal_base + TEMP_MONCTL1); + writel(TEMP_MONCTL1_PERIOD_UNIT(12), controller_base + TEMP_MONCTL1); /* * filt interval is 1 * 46.540us = 46.54us, @@ -543,21 +571,21 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num, */ writel(TEMP_MONCTL2_FILTER_INTERVAL(1) | TEMP_MONCTL2_SENSOR_INTERVAL(429), - mt->thermal_base + TEMP_MONCTL2); + controller_base + TEMP_MONCTL2); /* poll is set to 10u */ writel(TEMP_AHBPOLL_ADC_POLL_INTERVAL(768), - mt->thermal_base + TEMP_AHBPOLL); + controller_base + TEMP_AHBPOLL); /* temperature sampling control, 1 sample */ - writel(0x0, mt->thermal_base + TEMP_MSRCTL0); + writel(0x0, controller_base + TEMP_MSRCTL0); /* exceed this polling time, IRQ would be inserted */ - writel(0xffffffff, mt->thermal_base + TEMP_AHBTO); + writel(0xffffffff, controller_base + TEMP_AHBTO); /* number of interrupts per event, 1 is enough */ - writel(0x0, mt->thermal_base + TEMP_MONIDET0); - writel(0x0, mt->thermal_base + TEMP_MONIDET1); + writel(0x0, controller_base + TEMP_MONIDET0); + writel(0x0, controller_base + TEMP_MONIDET1); /* * The MT8173 thermal controller does not have its own ADC. Instead it @@ -572,44 +600,44 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num, * this value will be stored to TEMP_PNPMUXADDR (TEMP_SPARE0) * automatically by hw */ - writel(BIT(conf->auxadc_channel), mt->thermal_base + TEMP_ADCMUX); + writel(BIT(conf->auxadc_channel), controller_base + TEMP_ADCMUX); /* AHB address for auxadc mux selection */ writel(auxadc_phys_base + AUXADC_CON1_CLR_V, - mt->thermal_base + TEMP_ADCMUXADDR); + controller_base + TEMP_ADCMUXADDR); /* AHB address for pnp sensor mux selection */ writel(apmixed_phys_base + APMIXED_SYS_TS_CON1, - mt->thermal_base + TEMP_PNPMUXADDR); + controller_base + TEMP_PNPMUXADDR); /* AHB value for auxadc enable */ - writel(BIT(conf->auxadc_channel), mt->thermal_base + TEMP_ADCEN); + writel(BIT(conf->auxadc_channel), controller_base + TEMP_ADCEN); /* AHB address for auxadc enable (channel 0 immediate mode selected) */ writel(auxadc_phys_base + AUXADC_CON1_SET_V, - mt->thermal_base + TEMP_ADCENADDR); + controller_base + TEMP_ADCENADDR); /* AHB address for auxadc valid bit */ writel(auxadc_phys_base + AUXADC_DATA(conf->auxadc_channel), - mt->thermal_base + TEMP_ADCVALIDADDR); + controller_base + TEMP_ADCVALIDADDR); /* AHB address for auxadc voltage output */ writel(auxadc_phys_base + AUXADC_DATA(conf->auxadc_channel), - mt->thermal_base + TEMP_ADCVOLTADDR); + controller_base + TEMP_ADCVOLTADDR); /* read valid & voltage are at the same register */ - writel(0x0, mt->thermal_base + TEMP_RDCTRL); + writel(0x0, controller_base + TEMP_RDCTRL); /* indicate where the valid bit is */ writel(TEMP_ADCVALIDMASK_VALID_HIGH | TEMP_ADCVALIDMASK_VALID_POS(12), - mt->thermal_base + TEMP_ADCVALIDMASK); + controller_base + TEMP_ADCVALIDMASK); /* no shift */ - writel(0x0, mt->thermal_base + TEMP_ADCVOLTAGESHIFT); + writel(0x0, controller_base + TEMP_ADCVOLTAGESHIFT); /* enable auxadc mux write transaction */ writel(TEMP_ADCWRITECTRL_ADC_MUX_WRITE, - mt->thermal_base + TEMP_ADCWRITECTRL); + controller_base + TEMP_ADCWRITECTRL); for (i = 0; i < conf->bank_data[num].num_sensors; i++) writel(conf->sensor_mux_values[conf->bank_data[num].sensors[i]], @@ -617,11 +645,11 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num, conf->adcpnp[conf->bank_data[num].sensors[i]]); writel((1 << conf->bank_data[num].num_sensors) - 1, - mt->thermal_base + TEMP_MONCTL0); + controller_base + TEMP_MONCTL0); writel(TEMP_ADCWRITECTRL_ADC_PNP_WRITE | TEMP_ADCWRITECTRL_ADC_MUX_WRITE, - mt->thermal_base + TEMP_ADCWRITECTRL); + controller_base + TEMP_ADCWRITECTRL); mtk_thermal_put_bank(bank); } @@ -737,7 +765,7 @@ MODULE_DEVICE_TABLE(of, mtk_thermal_of_match); static int mtk_thermal_probe(struct platform_device *pdev) { - int ret, i; + int ret, i, ctrl_id; struct device_node *auxadc, *apmixedsys, *np = pdev->dev.of_node; struct mtk_thermal *mt; struct resource *res; @@ -817,9 +845,10 @@ static int mtk_thermal_probe(struct platform_device *pdev) goto err_disable_clk_auxadc; } - for (i = 0; i < mt->conf->num_banks; i++) - mtk_thermal_init_bank(mt, i, apmixed_phys_base, - auxadc_phys_base); + for (ctrl_id = 0; ctrl_id < mt->conf->num_controller ; ctrl_id++) + for (i = 0; i < mt->conf->num_banks; i++) + mtk_thermal_init_bank(mt, i, apmixed_phys_base, + auxadc_phys_base, ctrl_id); platform_set_drvdata(pdev, mt); |