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-rw-r--r--target/linux/mediatek/patches-4.14/0200-thermal-mediatek-add-support-for-MT7622-SoC.patch86
1 files changed, 86 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.14/0200-thermal-mediatek-add-support-for-MT7622-SoC.patch b/target/linux/mediatek/patches-4.14/0200-thermal-mediatek-add-support-for-MT7622-SoC.patch
new file mode 100644
index 0000000000..4f31eb8d65
--- /dev/null
+++ b/target/linux/mediatek/patches-4.14/0200-thermal-mediatek-add-support-for-MT7622-SoC.patch
@@ -0,0 +1,86 @@
+From b93889b200a963acde20e559dbf51886ad6b6229 Mon Sep 17 00:00:00 2001
+From: Sean Wang <sean.wang@mediatek.com>
+Date: Tue, 16 Jan 2018 23:50:48 +0800
+Subject: [PATCH 200/224] 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 <sean.wang@mediatek.com>
+Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
+---
+ drivers/thermal/mtk_thermal.c | 35 +++++++++++++++++++++++++++++++++++
+ 1 file changed, 35 insertions(+)
+
+diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
+index c75661a3801a..e709acb2235e 100644
+--- a/drivers/thermal/mtk_thermal.c
++++ b/drivers/thermal/mtk_thermal.c
+@@ -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,
+ }, {
+ },
+ };
+--
+2.11.0
+