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c36de2e73a
Backport almost 50 commits from upstream Linux to improve thermal drivers for MediaTek SoCs and add new LVTS driver for MT7988. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
124 lines
4.1 KiB
Diff
124 lines
4.1 KiB
Diff
From c4eff784465f88218dc5eb51320320464db83d3f Mon Sep 17 00:00:00 2001
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From: Fabien Parent <fparent@baylibre.com>
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Date: Fri, 27 Jan 2023 16:44:44 +0100
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Subject: [PATCH 12/42] thermal/drivers/mediatek: Add support for MT8365 SoC
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MT8365 is similar to the other SoCs supported by the driver. It has only
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one bank and 3 actual sensors that can be multiplexed. There is another
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one sensor that does not have usable data.
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Signed-off-by: Fabien Parent <fparent@baylibre.com>
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Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
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Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Link: https://lore.kernel.org/r/20221018-up-i350-thermal-bringup-v9-3-55a1ae14af74@baylibre.com
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Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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---
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drivers/thermal/mediatek/auxadc_thermal.c | 68 +++++++++++++++++++++++
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1 file changed, 68 insertions(+)
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--- a/drivers/thermal/mediatek/auxadc_thermal.c
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+++ b/drivers/thermal/mediatek/auxadc_thermal.c
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@@ -31,6 +31,7 @@
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#define AUXADC_CON2_V 0x010
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#define AUXADC_DATA(channel) (0x14 + (channel) * 4)
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+#define APMIXED_SYS_TS_CON0 0x600
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#define APMIXED_SYS_TS_CON1 0x604
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/* Thermal Controller Registers */
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@@ -281,6 +282,17 @@ enum mtk_thermal_version {
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/* The calibration coefficient of sensor */
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#define MT7986_CALIBRATION 165
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+/* MT8365 */
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+#define MT8365_TEMP_AUXADC_CHANNEL 11
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+#define MT8365_CALIBRATION 164
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+#define MT8365_NUM_CONTROLLER 1
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+#define MT8365_NUM_BANKS 1
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+#define MT8365_NUM_SENSORS 3
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+#define MT8365_NUM_SENSORS_PER_ZONE 3
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+#define MT8365_TS1 0
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+#define MT8365_TS2 1
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+#define MT8365_TS3 2
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+
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struct mtk_thermal;
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struct thermal_bank_cfg {
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@@ -435,6 +447,24 @@ static const int mt7986_mux_values[MT798
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static const int mt7986_vts_index[MT7986_NUM_SENSORS] = { VTS1 };
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static const int mt7986_tc_offset[MT7986_NUM_CONTROLLER] = { 0x0, };
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+/* MT8365 thermal sensor data */
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+static const int mt8365_bank_data[MT8365_NUM_SENSORS] = {
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+ MT8365_TS1, MT8365_TS2, MT8365_TS3
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+};
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+
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+static const int mt8365_msr[MT8365_NUM_SENSORS_PER_ZONE] = {
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+ TEMP_MSR0, TEMP_MSR1, TEMP_MSR2
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+};
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+
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+static const int mt8365_adcpnp[MT8365_NUM_SENSORS_PER_ZONE] = {
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+ TEMP_ADCPNP0, TEMP_ADCPNP1, TEMP_ADCPNP2
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+};
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+
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+static const int mt8365_mux_values[MT8365_NUM_SENSORS] = { 0, 1, 2 };
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+static const int mt8365_tc_offset[MT8365_NUM_CONTROLLER] = { 0 };
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+
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+static const int mt8365_vts_index[MT8365_NUM_SENSORS] = { VTS1, VTS2, VTS3 };
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+
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/*
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* The MT8173 thermal controller has four banks. Each bank can read up to
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* four temperature sensors simultaneously. The MT8173 has a total of 5
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@@ -510,6 +540,40 @@ static const struct mtk_thermal_data mt2
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};
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/*
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+ * The MT8365 thermal controller has one bank, which can read up to
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+ * four temperature sensors simultaneously. The MT8365 has a total of 3
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+ * temperature sensors.
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+ *
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+ * The thermal core only gets the maximum temperature of this one bank,
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+ * so the bank concept wouldn't be necessary here. However, the SVS (Smart
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+ * Voltage Scaling) unit makes its decisions based on the same bank
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+ * data.
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+ */
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+static const struct mtk_thermal_data mt8365_thermal_data = {
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+ .auxadc_channel = MT8365_TEMP_AUXADC_CHANNEL,
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+ .num_banks = MT8365_NUM_BANKS,
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+ .num_sensors = MT8365_NUM_SENSORS,
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+ .vts_index = mt8365_vts_index,
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+ .cali_val = MT8365_CALIBRATION,
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+ .num_controller = MT8365_NUM_CONTROLLER,
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+ .controller_offset = mt8365_tc_offset,
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+ .need_switch_bank = false,
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+ .bank_data = {
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+ {
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+ .num_sensors = MT8365_NUM_SENSORS,
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+ .sensors = mt8365_bank_data
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+ },
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+ },
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+ .msr = mt8365_msr,
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+ .adcpnp = mt8365_adcpnp,
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+ .sensor_mux_values = mt8365_mux_values,
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+ .version = MTK_THERMAL_V1,
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+ .apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON0,
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+ .apmixed_buffer_ctl_mask = (u32) ~GENMASK(29, 28),
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+ .apmixed_buffer_ctl_set = 0,
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+};
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+
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+/*
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* The MT2712 thermal controller has one bank, which can read up to
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* four temperature sensors simultaneously. The MT2712 has a total of 4
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* temperature sensors.
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@@ -1080,6 +1144,10 @@ static const struct of_device_id mtk_the
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{
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.compatible = "mediatek,mt8183-thermal",
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.data = (void *)&mt8183_thermal_data,
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+ },
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+ {
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+ .compatible = "mediatek,mt8365-thermal",
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+ .data = (void *)&mt8365_thermal_data,
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}, {
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},
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};
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