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Date: Fri, 11 Feb 2022 14:30:35 +0100
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Mark Rutland <mark.rutland@....com>,
Rob Herring <robh+dt@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Shawn Guo <shawnguo@...nel.org>,
Thierry Reding <thierry.reding@...il.com>,
Sam Ravnborg <sam@...nborg.org>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
devicetree@...r.kernel.org, Fabio Estevam <festevam@...il.com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
NXP Linux Team <linux-imx@....com>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
David Jander <david@...tonic.nl>,
Robin van der Gracht <robin@...tonic.nl>,
dri-devel@...ts.freedesktop.org
Subject: [PATCH v3 5/5] ARM: dts: imx6dl: plym2m, prtvt7, victgo: add thermal zones and hwmon
Add thermal zones and hwmon connected to the ADC-touchscreen controller.
Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
arch/arm/boot/dts/imx6dl-plym2m.dts | 74 ++++++++++++++++++++++++++++-
arch/arm/boot/dts/imx6dl-prtvt7.dts | 57 ++++++++++++++++++++++
arch/arm/boot/dts/imx6dl-victgo.dts | 62 +++++++++++++++++++++++-
3 files changed, 191 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/imx6dl-plym2m.dts b/arch/arm/boot/dts/imx6dl-plym2m.dts
index 73c7622bfe0f..c4ce23d8ac9f 100644
--- a/arch/arm/boot/dts/imx6dl-plym2m.dts
+++ b/arch/arm/boot/dts/imx6dl-plym2m.dts
@@ -50,6 +50,11 @@ display_out: endpoint {
};
};
+ iio-hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&vdiv_vaccu>;
+ };
+
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
@@ -102,6 +107,26 @@ reg_12v0: regulator-12v0 {
regulator-max-microvolt = <12000000>;
};
+ thermal-zones {
+ chassis-thermal {
+ polling-delay = <20000>;
+ polling-delay-passive = <0>;
+ thermal-sensors = <&tsens0>;
+ };
+
+ touch-thermal0 {
+ polling-delay = <20000>;
+ polling-delay-passive = <0>;
+ thermal-sensors = <&touch_temp0>;
+ };
+
+ touch-thermal1 {
+ polling-delay = <20000>;
+ polling-delay-passive = <0>;
+ thermal-sensors = <&touch_temp1>;
+ };
+ };
+
touchscreen {
compatible = "resistive-adc-touch";
io-channels = <&adc_ts 1>, <&adc_ts 3>, <&adc_ts 4>,
@@ -113,6 +138,32 @@ touchscreen {
touchscreen-x-plate-ohms = <300>;
touchscreen-y-plate-ohms = <800>;
};
+
+ touch_temp0: touch-temperature-sensor0 {
+ compatible = "generic-adc-thermal";
+ #thermal-sensor-cells = <0>;
+ io-channels = <&adc_ts 0>;
+ io-channel-names = "sensor-channel";
+ temperature-lookup-table = < (-40000) 736
+ 85000 474>;
+ };
+
+ touch_temp1: touch-temperature-sensor1 {
+ compatible = "generic-adc-thermal";
+ #thermal-sensor-cells = <0>;
+ io-channels = <&adc_ts 7>;
+ io-channel-names = "sensor-channel";
+ temperature-lookup-table = < (-40000) 826
+ 85000 609>;
+ };
+
+ vdiv_vaccu: voltage-divider-vaccu {
+ compatible = "voltage-divider";
+ io-channels = <&adc_ts 2>;
+ output-ohms = <2500>;
+ full-ohms = <64000>;
+ #io-channel-cells = <0>;
+ };
};
&can1 {
@@ -153,12 +204,24 @@ adc_ts: adc@0 {
#address-cells = <1>;
#size-cells = <0>;
+ channel@0 {
+ reg = <0>;
+ settling-time-us = <300>;
+ oversampling-ratio = <5>;
+ };
+
channel@1 {
reg = <1>;
settling-time-us = <700>;
oversampling-ratio = <5>;
};
+ channel@2 {
+ reg = <2>;
+ settling-time-us = <300>;
+ oversampling-ratio = <5>;
+ };
+
channel@3 {
reg = <3>;
settling-time-us = <700>;
@@ -176,6 +239,14 @@ channel@5 {
settling-time-us = <700>;
oversampling-ratio = <5>;
};
+
+ /* channel 6 is not connected */
+
+ channel@7 {
+ reg = <7>;
+ settling-time-us = <300>;
+ oversampling-ratio = <5>;
+ };
};
};
@@ -260,9 +331,10 @@ &i2c3 {
pinctrl-0 = <&pinctrl_i2c3>;
status = "okay";
- temperature-sensor@70 {
+ tsens0: temperature-sensor@70 {
compatible = "ti,tmp103";
reg = <0x70>;
+ #thermal-sensor-cells = <0>;
};
};
diff --git a/arch/arm/boot/dts/imx6dl-prtvt7.dts b/arch/arm/boot/dts/imx6dl-prtvt7.dts
index 59e0674420a1..b86deebef7b7 100644
--- a/arch/arm/boot/dts/imx6dl-prtvt7.dts
+++ b/arch/arm/boot/dts/imx6dl-prtvt7.dts
@@ -53,6 +53,11 @@ display_out: endpoint {
};
};
+ iio-hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&vdiv_vaccu>;
+ };
+
keys {
compatible = "gpio-keys";
autorepeat;
@@ -236,6 +241,26 @@ simple-audio-card,codec {
};
};
+ thermal-zones {
+ chassis-thermal {
+ polling-delay = <20000>;
+ polling-delay-passive = <0>;
+ thermal-sensors = <&tsens0>;
+ };
+
+ touch-thermal0 {
+ polling-delay = <20000>;
+ polling-delay-passive = <0>;
+ thermal-sensors = <&touch_temp0>;
+ };
+
+ touch-thermal1 {
+ polling-delay = <20000>;
+ polling-delay-passive = <0>;
+ thermal-sensors = <&touch_temp1>;
+ };
+ };
+
touchscreen {
compatible = "resistive-adc-touch";
io-channels = <&adc_ts 1>, <&adc_ts 3>, <&adc_ts 4>,
@@ -247,6 +272,32 @@ touchscreen {
touchscreen-x-plate-ohms = <300>;
touchscreen-y-plate-ohms = <800>;
};
+
+ touch_temp0: touch-temperature-sensor0 {
+ compatible = "generic-adc-thermal";
+ #thermal-sensor-cells = <0>;
+ io-channels = <&adc_ts 0>;
+ io-channel-names = "sensor-channel";
+ temperature-lookup-table = < (-40000) 736
+ 85000 474>;
+ };
+
+ touch_temp1: touch-temperature-sensor1 {
+ compatible = "generic-adc-thermal";
+ #thermal-sensor-cells = <0>;
+ io-channels = <&adc_ts 7>;
+ io-channel-names = "sensor-channel";
+ temperature-lookup-table = < (-40000) 826
+ 85000 609>;
+ };
+
+ vdiv_vaccu: voltage-divider-vaccu {
+ compatible = "voltage-divider";
+ io-channels = <&adc_ts 2>;
+ output-ohms = <2500>;
+ full-ohms = <64000>;
+ #io-channel-cells = <0>;
+ };
};
&audmux {
@@ -372,6 +423,12 @@ rtc@51 {
reg = <0x51>;
};
+ tsens0: temperature-sensor@70 {
+ compatible = "ti,tmp103";
+ reg = <0x70>;
+ #thermal-sensor-cells = <0>;
+ };
+
gpio_pca: gpio@74 {
compatible = "nxp,pca9539";
reg = <0x74>;
diff --git a/arch/arm/boot/dts/imx6dl-victgo.dts b/arch/arm/boot/dts/imx6dl-victgo.dts
index 52de091ea452..227c952543d4 100644
--- a/arch/arm/boot/dts/imx6dl-victgo.dts
+++ b/arch/arm/boot/dts/imx6dl-victgo.dts
@@ -66,6 +66,11 @@ enter {
};
};
+ iio-hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&vdiv_vaccu>, <&vdiv_hitch_pos>;
+ };
+
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
@@ -182,6 +187,26 @@ simple-audio-card,codec {
};
};
+ thermal-zones {
+ chassis-thermal {
+ polling-delay = <20000>;
+ polling-delay-passive = <0>;
+ thermal-sensors = <&tsens0>;
+ };
+
+ touch-thermal0 {
+ polling-delay = <20000>;
+ polling-delay-passive = <0>;
+ thermal-sensors = <&touch_temp0>;
+ };
+
+ touch-thermal1 {
+ polling-delay = <20000>;
+ polling-delay-passive = <0>;
+ thermal-sensors = <&touch_temp1>;
+ };
+ };
+
touchscreen {
compatible = "resistive-adc-touch";
io-channels = <&adc_ts 1>, <&adc_ts 3>, <&adc_ts 4>,
@@ -193,6 +218,40 @@ touchscreen {
touchscreen-x-plate-ohms = <300>;
touchscreen-y-plate-ohms = <800>;
};
+
+ touch_temp0: touch-temperature-sensor0 {
+ compatible = "generic-adc-thermal";
+ #thermal-sensor-cells = <0>;
+ io-channels = <&adc_ts 0>;
+ io-channel-names = "sensor-channel";
+ temperature-lookup-table = < (-40000) 736
+ 85000 474>;
+ };
+
+ touch_temp1: touch-temperature-sensor1 {
+ compatible = "generic-adc-thermal";
+ #thermal-sensor-cells = <0>;
+ io-channels = <&adc_ts 7>;
+ io-channel-names = "sensor-channel";
+ temperature-lookup-table = < (-40000) 826
+ 85000 609>;
+ };
+
+ vdiv_vaccu: voltage-divider-vaccu {
+ compatible = "voltage-divider";
+ io-channels = <&adc_ts 2>;
+ output-ohms = <2500>;
+ full-ohms = <64000>;
+ #io-channel-cells = <0>;
+ };
+
+ vdiv_hitch_pos: voltage-divider-hitch-pos {
+ compatible = "voltage-divider";
+ io-channels = <&adc_ts 6>;
+ output-ohms = <3300>;
+ full-ohms = <13300>;
+ #io-channel-cells = <0>;
+ };
};
&audmux {
@@ -477,9 +536,10 @@ rtc@51 {
reg = <0x51>;
};
- temperature-sensor@70 {
+ tsens0: temperature-sensor@70 {
compatible = "ti,tmp103";
reg = <0x70>;
+ #thermal-sensor-cells = <0>;
};
};
--
2.30.2
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