From: Sean Wang <[email protected]>
Add devicetree bindings for MediaTek MT7622 thermal controller
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Shunli Wang <[email protected]>
---
Documentation/devicetree/bindings/thermal/mediatek-thermal.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt b/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt
index 0d73ea5..41d6a44 100644
--- a/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt
@@ -12,6 +12,7 @@ Required properties:
- "mediatek,mt8173-thermal" : For MT8173 family of SoCs
- "mediatek,mt2701-thermal" : For MT2701 family of SoCs
- "mediatek,mt2712-thermal" : For MT2712 family of SoCs
+ - "mediatek,mt7622-thermal" : For MT7622 SoC
- reg: Address range of the thermal controller
- interrupts: IRQ for the thermal controller
- clocks, clock-names: Clocks needed for the thermal controller. required
--
2.7.4
From: Sean Wang <[email protected]>
MT7622 SoC has built-in thermal controller with one sensing point, the
patch just is to extend the functionality of the existing logic.
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Shunli Wang <[email protected]>
---
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 1e61c09..8a53151 100644
--- a/drivers/thermal/mtk_thermal.c
+++ b/drivers/thermal/mtk_thermal.c
@@ -158,6 +158,12 @@
/* 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
+
#define THERMAL_NAME "mtk-thermal"
struct mtk_thermal;
@@ -249,6 +255,12 @@ 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
@@ -336,6 +348,25 @@ 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
@@ -638,6 +669,10 @@ 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,
}, {
},
};
--
2.7.4
On Mon, Feb 05, 2018 at 04:11:51PM +0800, [email protected] wrote:
> From: Sean Wang <[email protected]>
>
> Add devicetree bindings for MediaTek MT7622 thermal controller
>
> Signed-off-by: Sean Wang <[email protected]>
> Signed-off-by: Shunli Wang <[email protected]>
> ---
> Documentation/devicetree/bindings/thermal/mediatek-thermal.txt | 1 +
> 1 file changed, 1 insertion(+)
Reviewed-by: Rob Herring <[email protected]>