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@ansari.sh>
Reviewed-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221223193403.781355-3-rayyan@ansari.sh

diff --git a/arch/arm/boot/dts/qcom-pm8226.dtsi b/arch/arm/boot/dts/qcom-pm8226.dtsi
index a2092569970a55addc1618b8e4fee70bb676f267..6af259218f631e9fe5125aa2f63316775d199901 100644 (file)
--- 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 @@
                #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@1000 {