linux-kernel - [PATCH 2/3] ARM: dts: qcom: pm8226: add PON device node along with resin sub-node

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Message-Id: <20221223193403.781355-3-rayyan@ansari.sh>
Date:   Fri, 23 Dec 2022 19:34:02 +0000
From:   Rayyan Ansari <rayyan@...ari.sh>
To:     linux-arm-msm@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        Rayyan Ansari <rayyan@...ari.sh>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] ARM: dts: qcom: pm8226: add PON device node along with resin sub-node

The PON (Power On) device in PM8226 supports both the power key and
resin (reset input).
The reset input is usually connected to a physical volume up/down button.

Signed-off-by: Rayyan Ansari <rayyan@...ari.sh>
---
 arch/arm/boot/dts/qcom-pm8226.dtsi | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/qcom-pm8226.dtsi b/arch/arm/boot/dts/qcom-pm8226.dtsi
index d99532ea70b2..403324a35cf5 100644
--- a/arch/arm/boot/dts/qcom-pm8226.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8226.dtsi
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: BSD-3-Clause
 #include <dt-bindings/iio/qcom,spmi-vadc.h>
+#include <dt-bindings/input/linux-event-codes.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/spmi/spmi.h>
 
@@ -10,12 +11,25 @@ pm8226_0: pm8226@0 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		pwrkey@800 {
-			compatible = "qcom,pm8941-pwrkey";
+		pon@800 {
+			compatible = "qcom,pm8916-pon";
 			reg = <0x800>;
-			interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
-			debounce = <15625>;
-			bias-pull-up;
+
+			pwrkey {
+				compatible = "qcom,pm8941-pwrkey";
+				interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
+				debounce = <15625>;
+				bias-pull-up;
+				linux,code = <KEY_POWER>;
+			};
+
+			pm8226_resin: resin {
+				compatible = "qcom,pm8941-resin";
+				interrupts = <0x0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
+				debounce = <15625>;
+				bias-pull-up;
+				status = "disabled";
+			};
 		};
 
 		smbb: charger@...0 {
-- 
2.39.0