linux-kernel - [PATCH] ARM: dts: qcom: pm8941: Add vadc nodes needed to estimate an ocv

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Date:   Fri, 30 Mar 2018 21:04:08 +0100
From:   Craig Tatlor <ctatlor97@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     ctatlor97@...il.com, Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: qcom: pm8941: Add vadc nodes needed to estimate an ocv

vbat_sns is needed to estimate a fairly accurate on chip voltage
and bat_therm is needed to produce an accurate percentage
from the estimated ocv.

Signed-off-by: Craig Tatlor <ctatlor97@...il.com>
---
 arch/arm/boot/dts/qcom-pm8941.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-pm8941.dtsi b/arch/arm/boot/dts/qcom-pm8941.dtsi
index 1d5ef55c7ee5..2515c5c217ac 100644
--- a/arch/arm/boot/dts/qcom-pm8941.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8941.dtsi
@@ -139,6 +139,9 @@
 			#size-cells = <0>;
 			#io-channel-cells = <1>;
 
+			bat_temp {
+				reg = <VADC_LR_MUX1_BAT_THERM>;
+			};
 			die_temp {
 				reg = <VADC_DIE_TEMP>;
 			};
@@ -154,6 +157,9 @@
 			ref_vdd {
 				reg = <VADC_VDD_VADC>;
 			};
+			vbat_sns {
+				reg = <VADC_VBAT_SNS>;
+			};
 		};
 
 		pm8941_iadc: iadc@...0 {
-- 
2.16.2