linux-kernel - [PATCH v2 4/4] arm64: dts: qcom: sc7180: trogdor: Use ADC TM channel 0 instead of 1 for charger temperature

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Date:   Thu, 25 Feb 2021 10:33:37 -0800
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     devicetree@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        linux-arm-msm@...r.kernel.org, Stephen Boyd <swboyd@...omium.org>,
        linux-kernel@...r.kernel.org, Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH v2 4/4] arm64: dts: qcom: sc7180: trogdor: Use ADC TM channel 0 instead of 1 for charger temperature

On trogdor the ADC thermal monitor is used for monitoring certain
device temperatures. All trogdor boards have at least a thermistor
for the charger temperature, optionally they may have others.

Currently the ADC thermal monitor is configured to use channel 1
for the charger temperature. Given that all trogdor boards have
the charger thermistor it makes more sense to use channel 0,
and then let boards with other thermistors use channels 1, 2, 3,
rather than 0, 2, 3.

Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
---

Changes in v2:
- patch added to the series

 arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
index ab4efaece5cb..58e127b6ba1e 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
@@ -19,7 +19,7 @@ charger_thermal: charger-thermal {
 			polling-delay-passive = <0>;
 			polling-delay = <0>;
 
-			thermal-sensors = <&pm6150_adc_tm 1>;
+			thermal-sensors = <&pm6150_adc_tm 0>;
 
 			trips {
 				charger-crit {
@@ -718,8 +718,8 @@ charger-thermistor@4f {
 &pm6150_adc_tm {
 	status = "okay";
 
-	charger-thermistor@1 {
-		reg = <1>;
+	charger-thermistor@0 {
+		reg = <0>;
 		io-channels = <&pm6150_adc ADC5_AMUX_THM3_100K_PU>;
 		qcom,ratiometric;
 		qcom,hw-settle-time-us = <200>;
-- 
2.30.0.617.g56c4b15f3c-goog