From: Matthias Kaehlcke <mka@chromium.org>
Date: Thu, 27 Sep 2018 21:22:53 +0000 (-0700)
Subject: arm64: dts: qcom: pm8998: Use ADC temperature to temp-alarm node
X-Git-Tag: v5.2-rc1~45^2~6^2~13
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=7bfd90f5a57e49c3b97929ce1f7868629e3e13d0;p=linux.git

arm64: dts: qcom: pm8998: Use ADC temperature to temp-alarm node

The temperature information from the temp-alarm block itself is very
coarse ("temperature is above/below trip points"). Provide the driver
with the die temperature channel of the ADC on the PMIC for more precise
readings.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Andy Gross <agross@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/pm8998.dtsi b/arch/arm64/boot/dts/qcom/pm8998.dtsi
index 4872f116758d..d3ca35a940fb 100644
--- a/arch/arm64/boot/dts/qcom/pm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm8998.dtsi
@@ -58,6 +58,8 @@ pm8998_temp: temp-alarm@2400 {
 			compatible = "qcom,spmi-temp-alarm";
 			reg = <0x2400>;
 			interrupts = <0x0 0x24 0x0 IRQ_TYPE_EDGE_RISING>;
+			io-channels = <&pm8998_adc ADC5_DIE_TEMP>;
+			io-channel-names = "thermal";
 			#thermal-sensor-cells = <0>;
 		};