From 7722505f0253800a50a6e8edd91c6365c4d869a7 Mon Sep 17 00:00:00 2001
From: chailu1 <chailu1@lenovo.com>
Date: Mon, 6 Jun 2022 11:22:37 +0800
Subject: [PATCH] arm/dts: config pmk8003 gpio3 to adc mode

charge pump ntc connect to pmk8003 gpio3
Ensure the gpio is disabled via setting to bias-high-impedance
to enable adc mode.

Change-Id: I4bd98e3ff38ba65e88c89b735a0011b2f73978d5
Signed-off-by: chailu1 <chailu1@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2289337
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Yuecai Liu <liuyc20@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
---
 qcom/blair-miami-common-overlay.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/qcom/blair-miami-common-overlay.dtsi b/qcom/blair-miami-common-overlay.dtsi
index 38c945d375d4..41b738507540 100644
--- a/qcom/blair-miami-common-overlay.dtsi
+++ b/qcom/blair-miami-common-overlay.dtsi
@@ -327,6 +327,9 @@
 };
 
 &pmk8350_vadc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pmk8350_gpio3_adc_default>;
+
 	pmk8350_batt_therm {
 		reg = <PMK8350_ADC7_AMUX_THM2_100K_PU>;
 		label = "pmk8350_batt_therm";
@@ -351,6 +354,14 @@
 		bias-high-impedance; /* DISABLE GPIO1 for ADC*/
 		};
 	};
+
+	pmk8350_gpio3_adc {
+		pmk8350_gpio3_adc_default: pmk8350_gpio3_adc_default {
+		pins = "gpio3"; /* GPIO 3 */
+		function = "normal"; /* normal */
+		bias-high-impedance; /* DISABLE GPIO3 for ADC*/
+		};
+	};
 };
 
 &pmk8350_adc_tm {