86 lines
2.7 KiB
Diff
86 lines
2.7 KiB
Diff
From b93889b200a963acde20e559dbf51886ad6b6229 Mon Sep 17 00:00:00 2001
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From: Sean Wang <sean.wang@mediatek.com>
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Date: Tue, 16 Jan 2018 23:50:48 +0800
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Subject: [PATCH 200/224] thermal: mediatek: add support for MT7622 SoC
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MT7622 SoC has built-in thermal controller with one sensing point, the
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patch just is to extend the functionality of the existing logic.
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Changes v1 -> v2: rebase to 4.16-rc1
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Signed-off-by: Sean Wang <sean.wang@mediatek.com>
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Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
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---
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drivers/thermal/mtk_thermal.c | 35 +++++++++++++++++++++++++++++++++++
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1 file changed, 35 insertions(+)
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diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
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index c75661a3801a..e709acb2235e 100644
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--- a/drivers/thermal/mtk_thermal.c
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+++ b/drivers/thermal/mtk_thermal.c
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@@ -153,6 +153,12 @@
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/* The number of sensing points per bank */
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#define MT2712_NUM_SENSORS_PER_ZONE 4
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+#define MT7622_TEMP_AUXADC_CHANNEL 11
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+#define MT7622_NUM_SENSORS 1
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+#define MT7622_NUM_ZONES 1
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+#define MT7622_NUM_SENSORS_PER_ZONE 1
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+#define MT7622_TS1 0
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+
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struct mtk_thermal;
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struct thermal_bank_cfg {
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@@ -242,6 +248,12 @@ static const int mt2712_adcpnp[MT2712_NUM_SENSORS_PER_ZONE] = {
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static const int mt2712_mux_values[MT2712_NUM_SENSORS] = { 0, 1, 2, 3 };
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+/* MT7622 thermal sensor data */
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+static const int mt7622_bank_data[MT7622_NUM_SENSORS] = { MT7622_TS1, };
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+static const int mt7622_msr[MT7622_NUM_SENSORS_PER_ZONE] = { TEMP_MSR0, };
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+static const int mt7622_adcpnp[MT7622_NUM_SENSORS_PER_ZONE] = { TEMP_ADCPNP0, };
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+static const int mt7622_mux_values[MT7622_NUM_SENSORS] = { 0, };
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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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@@ -329,6 +341,25 @@ static const struct mtk_thermal_data mt2712_thermal_data = {
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.sensor_mux_values = mt2712_mux_values,
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};
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+/*
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+ * MT7622 have only one sensing point which uses AUXADC Channel 11 for raw data
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+ * access.
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+ */
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+static const struct mtk_thermal_data mt7622_thermal_data = {
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+ .auxadc_channel = MT7622_TEMP_AUXADC_CHANNEL,
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+ .num_banks = MT7622_NUM_ZONES,
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+ .num_sensors = MT7622_NUM_SENSORS,
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+ .bank_data = {
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+ {
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+ .num_sensors = 1,
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+ .sensors = mt7622_bank_data,
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+ },
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+ },
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+ .msr = mt7622_msr,
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+ .adcpnp = mt7622_adcpnp,
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+ .sensor_mux_values = mt7622_mux_values,
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+};
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+
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/**
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* raw_to_mcelsius - convert a raw ADC value to mcelsius
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* @mt: The thermal controller
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@@ -631,6 +662,10 @@ static const struct of_device_id mtk_thermal_of_match[] = {
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{
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.compatible = "mediatek,mt2712-thermal",
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.data = (void *)&mt2712_thermal_data,
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+ },
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+ {
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+ .compatible = "mediatek,mt7622-thermal",
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+ .data = (void *)&mt7622_thermal_data,
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}, {
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},
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};
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--
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2.11.0
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