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: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
Reviewed-by: AngeloGioacchino 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: Daniel Lezcano <daniel.lezcano@linaro.org>

diff --git a/drivers/thermal/mediatek/auxadc_thermal.c b/drivers/thermal/mediatek/auxadc_thermal.c
index 2b6186c..3c959a8 100644 (file)
--- a/drivers/thermal/mediatek/auxadc_thermal.c
+++ b/drivers/thermal/mediatek/auxadc_thermal.c
@@ -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
@@ -510,6 +540,40 @@ static const struct mtk_thermal_data mt2701_thermal_data = {
 };
 
 /*
+ * 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
  * temperature sensors.
@@ -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,
        }, {
        },
 };